Answers
Answer:
i didnt have this yet
Step-by-step explanation:
Answer:
y = 3/2x + 2
Step-by-step explanation:
let eqn be y = mx + c
m = (5-2)/(2-0) = 3/2
sub (0, 2):
2 = 3/2 (0) + c
c = 2
therefore, the equation is y = 3/2x + 2
Related Questions
Joey has 23 cards in his baseball card collection. Monica has 24 cards in her collection. How many times more cards does Monica have than Joe?
Answers
Answer:
Monica has 1 more card than Joey
Step-by-step explanation:
its simple math
What percentage of the shape is pink?
Write your answer using a percent sign (%).
Answers
Answer:
13%
Step-by-step explanation:
Since this is a ten by ten square there are 100 small squares located in the whole shape. There are 13 pink squares and 13/100 can be written as 13%. Anything over 100 can be put as a percentage.
evaluate each integral by interpreting it in terms of areas. (a) 8 0 f(x) dx (b) 20 0 f(x) dx (c) 28 20 f(x) dx (d) 28 12 f(x) dx (e) 28 12 |f(x)| dx (f) 0 8 f(x) dx
Answers
To evaluate each integral in terms of areas, we need to understand that the integral represents the area under the curve of a function, f(x), between two points on the x-axis.
Let's discuss each integral:
(a) ∫₀⁸ f(x) dx: This represents the area under the curve of f(x) from x = 0 to x = 8. The integral calculates the accumulated area along this interval.
(b) ∫₀²⁰ f(x) dx: Similarly, this represents the area under the curve of f(x) from x = 0 to x = 20. It's a broader interval than (a), so it covers more area under the curve.
(c) ∫²⁰²⁸ f(x) dx: This integral represents the area under the curve of f(x) between x = 20 and x = 28. It's important to note that the interval is now shifted to the right compared to (a) and (b).
(d) ∫¹²²⁸ f(x) dx: This integral calculates the area under the curve of f(x) from x = 12 to x = 28. The interval here is larger than in (c), covering more area under the curve.
(e) ∫¹²²⁸ |f(x)| dx: This integral evaluates the area under the absolute value of f(x) from x = 12 to x = 28. The absolute value ensures that negative function values contribute positively to the area calculation, preventing any cancelation of areas.
(f) ∫₀⁸ f(x) dx: This integral is the same as (a), representing the area under the curve of f(x) from x = 0 to x = 8.
Each integral evaluates the area under the curve of f(x) for different intervals on the x-axis, providing insights into the total accumulated area in those intervals.
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A physical therapist is working with a 57-year-old cardiac patient who is recovering from surgery. The patient’s exercise goal for this week is moderate intensity with a target heart rate of 50% to
70% percent. The target heart rate is based on the patient’s maximum heart rate, which is calculated
by subtracting the patient’s age from 220. What is the range for the patient’s target heart rate? Round to the nearest whole number
Answers
To calculate the range for the patient's target heart rate, we first need to find the maximum heart rate by subtracting the patient's age from 220.
Maximum Heart Rate = 220 - Age
In this case, the patient is 57 years old, so the maximum heart rate would be:
Maximum Heart Rate = 220 - 57 = 163
Next, we calculate the target heart rate range by taking a percentage of the maximum heart rate. The target heart rate range for moderate intensity is between 50% and 70%.
Lower Limit = Maximum Heart Rate * 50%
Upper Limit = Maximum Heart Rate * 70%
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(8x squared) -2x -45
Answers
Answer: There are no like terms.
Step-by-step explanation: Hope this help :D
A state highway patrol official wishes to estimate the percentage/proportion of drivers that exceed the speed limit traveling a certain road.
A. How large a sample is needed in order to be 95% confident that the sample proportion will not differ from the true proportion by more than 3 %? Note that you have no previous estimate for p.
B. Repeat part (A) assuming previous studies found that the sample percentage of drivers on this road who exceeded the speed limit was 65%
Answers
A) Approx. 1067 is the required sample size to ensure 95% confidence that the sample proportion will not differ from the true proportion by more than 3%.
B) When the previous estimate is 65%, approx. 971 is the sample size needed to achieve 95% confidence that the sample proportion will not differ by more than 3% from the true proportion.
How to calculate the sample size needed for estimating the proportion?To determine the sample size needed for estimating the proportion of drivers exceeding the speed limit, we can use the formula for sample size calculation for proportions:
n = (Z² * p * (1 - p)) / E²
where:
n = the sample size.
Z = the Z-value associated with the confidence level of 95%.
p = the estimated proportion or previous estimate.
E = the maximum allowable error, which is 3% or 0.03.
We calculate as follows:
A. No previous estimate for p is available:
Here, we will assume p = 0.5 (maximum variance) since we don't have any prior information about the proportion. So, adding the values into the formula:
n = (Z² * p * (1 - p)) / E²
n = ((1.96)² * 0.5 * (1 - 0.5)) / 0.03²
n= (3.842 * 0.5 * (0.5))/0.03²
n = (1.9208*0.5)/0.0009
n ≈ 1067.11
Thus, to be 95% confident that the sample proportion will not differ from the true proportion by more than 3%, a sample size of approximately 1067 is required.
B. Supposing previous studies found that the sample percentage of drivers who exceeded the speed limit is 65%:
Here, we have a previous estimate of p = 0.65:
Putting the values into the formula:
n = (Z²* p * (1 - p)) / E²
n = ((1.96)² * 0.65 * (1 - 0.65)) / 0.03²
n= (3.842 * 0.65 *(0.35))/0.0009
n ≈ 971
Hence, with the previous estimate of 65%, a sample size of approximately 971 is necessary to be 95% confident that the sample proportion will not differ from the true proportion by more than 3%.
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Can someone pleaseeee help if you’re correct I’ll give u brainlist
Answers
Answer:
if im correct the answer is 70
Step-by-step explanation:
A circle has a 360 degree angle so what I did is i added 85+80+125 and i got 290. 360-290=70
if $a(-3, 5)$, $b(7, 12)$, $c(5, 3)$ and $d$ are the four vertices of parallelogram $abcd$, what are the coordinates of point $d$?
Answers
The coordinates of point D in the parallelogram ABCD are (15, 10).
To find the coordinates of point D, we can use the properties of a parallelogram. In a parallelogram, opposite sides are parallel and congruent. Therefore, we can use this information to determine the coordinates of point D.
Let's consider the given points:
A(-3, 5)
B(7, 12)
C(5, 3)
Since opposite sides of a parallelogram are parallel, the vector connecting points A and B should be equal to the vector connecting points C and D. We can express this as:
AB = CD
To find the vector AB, we subtract the coordinates of point A from the coordinates of point B:
AB = (7 - (-3), 12 - 5)
= (10, 7)
Now, we can express the vector CD using the coordinates of point C and the vector AB:
CD = (5, 3) + (10, 7)
= (15, 10)
Therefore, the coordinates of point D are (15, 10).
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If the zero conditional mean assumption holds, we can give our coefficients a causal interpretation. True False
Answers
True. If the zero conditional mean assumption holds, the coefficients can be given a causal interpretation.
True. If the zero conditional mean assumption, also known as the exogeneity assumption or the assumption of no omitted variables bias, holds in a regression model, then the coefficients can be given a causal interpretation.
The zero conditional mean assumption states that the error term in the regression model has an expected value of zero given the values of the independent variables. This assumption is important for establishing causality because it implies that there is no systematic relationship between the error term and the independent variables.
When this assumption is satisfied, we can interpret the coefficients as representing the causal effect of the independent variables on the dependent variable, holding other factors constant. However, if the zero conditional mean assumption is violated, the coefficients may be biased and cannot be interpreted causally.
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If the point (-7, 5) lies on the graph of y=f(x), which of the following points must lie on the graph of its inverse?
(1) (5,-7)
(2)(-1/7,1/5)
(3)(7,-5)
(4)(1/7,-1/5)
Answers
By using the inverse function definition and the fact that: f⁻¹(y) = x, we will see that the point that must be on the inverse function is (5, -7)
What are two inverse functions?For an invertible function f(x), we define its inverse f⁻¹(x) such that:
if f(x) = y
then:
f⁻¹(y) = x
And because of that, we have the properties:
f(f⁻¹(x) ) = x
f⁻¹( f(x)) = x
Then if the point (-7, 5) is on the function f(x), this means that:
f(-7) = 5
And using the inverse property, we know that:f⁻¹(5) = -7
Then the point that lies on the inverse function is (5, 7), the correct option is the first one.
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Triangle congruence , how is TVR congruent to SRV? SAS, SSS, ASA, AAS? picture added
Answers
Answer:
ASA
Angles on each side with a side in the middle is Angle Side Angle.
A portfolio of claims contains 10 each of bodily injury, property damage, worker's compensation and comprehensive claims. Five claims are randomly drawn from this portfolio. Find the probability that the selected claims contain exactly three claims from one coverage and exactly two claims from one of the other coverages.
Answers
The value of P is approximately 0.0082027.
To find the probability of selecting exactly three claims from one coverage and exactly two claims from one of the other coverages, we need to calculate the total number of ways to choose three claims from one coverage and two claims from another coverage, and divide it by the total number of ways to choose five claims from the portfolio.
First, let's calculate the total number of ways to choose three claims from one coverage and two claims from another coverage. We have 10 bodily injury claims and 10 property damage claims to choose from, so the number of ways to choose three claims from one coverage is 10 choose 3 (denoted as C(10, 3)), and the number of ways to choose two claims from another coverage is 10 choose 2 (denoted as C(10, 2)). Multiplying these two combinations gives us the total number of ways to choose three claims from one coverage and two claims from another coverage.
Next, let's calculate the total number of ways to choose five claims from the portfolio. We have a total of 10 bodily injury claims, 10 property damage claims, 10 worker's compensation claims, and 10 comprehensive claims to choose from, so the number of ways to choose five claims from the portfolio is 40 choose 5 (denoted as C(40, 5)).
Finally, to find the probability, we divide the total number of ways to choose three claims from one coverage and two claims from another coverage by the total number of ways to choose five claims from the portfolio.
Therefore, the probability that the selected claims contain exactly three claims from one coverage and exactly two claims from one of the other coverages can be calculated as:
P = (C(10, 3) * C(10, 2)) / C(40, 5)
P = (C(10, 3) * C(10, 2)) / C(40, 5)
ChatGPT
To solve the expression P = (C(10, 3) * C(10, 2)) / C(40, 5), we can substitute the values into the combination formulas and perform the calculations:
C(10, 3) = 10! / (3!(10-3)!) = 10! / (3! * 7!) = (10 * 9 * 8) / (3 * 2 * 1) = 120
C(10, 2) = 10! / (2!(10-2)!) = 10! / (2! * 8!) = (10 * 9) / (2 * 1) = 45
C(40, 5) = 40! / (5!(40-5)!) = 40! / (5! * 35!) = (40 * 39 * 38 * 37 * 36) / (5 * 4 * 3 * 2 * 1) = 658,008
Now, we can substitute these values into the expression:
P = (C(10, 3) * C(10, 2)) / C(40, 5) = (120 * 45) / 658,008
Performing the calculation:
P = 5,400 / 658,008
Simplifying the fraction:
P ≈ 0.0082027
Therefore, the value of P is approximately 0.0082027.
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31. A school administrator used the inequality
S≤28 to determine the number of students
to assign to each class. If the administrator
also wants each class to have more than 16
students, what are the possible numbers of
the students in each class?
$1b000x5
NEED HELP ASAP
Answers
If a class must have a number of students ≤28 and at the same time greater than 16 then:
16≤S≤28
So the number of students may be: 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28.
how to i find the definition of a congruent angle
Answers
Answer:
Angles are congruent if they have the same angle measure in degrees. Try this Adjust any angle below by dragging an orange dot at its ends. The other angle will change to remain congruent with it. Angles are congruent if they have the same angle measure in degrees.
Step-by-step explanation:
Hope this helps!
Answer:
The definition of a congruent angle, is a shape which all angles are equal and the same as each other. A square has a congruent angle, because all the angles are 90 degrees.
Step-by-step explanation:
Didn't really understand what you meant, but I hope this helps you understand it better! <3
Yes or no?????!!!!!!!
Answers
Answer:
Yes
Step-by-step explanation:
as long as it follows the pythagorean theory a^2 + b^2 = c^2, it’s a right triangle
12^2 + 16^2 = 400
20^2 = 400
B is the midpoint of AC. AB = 2x + 12 and AC = 10x - 12.
Find the following:
x:
AB:
BC:
AC:
Answers
Answer:
Step-by-step explanation:
If B is the midpoint of AC, then AB = BC and AB+BC = AC
AB +AB = AC
2AB = AC
2(2x+12) = 10x-12
4x+24 = 10x-12
collect like terms:
4x-10x = -12-24
-6x = -36
x = -36/-6
x = 6
Get AB:
AB = 2x+12
AB = 2(6)+12
AB = 12+12
AB = 24
Since AB = BC, hence BC = 24
AC = AB+BC
AC = 24+24
AC = 48
cos^2x sin^4x lowering powers
Answers
The simplified expression of cos^2x sin^4x is cos^2x - 2cos^4x + cos^6x.
The expression cos^2x sin^4x can be simplified by using the trigonometric identity that states sin^2x + cos^2x = 1.
We can rewrite cos^2x sin^4x as cos^2x (sin^2x)^2. Then, using the trigonometric identity sin^2x + cos^2x = 1, we can substitute (1 - cos^2x) for sin^2x.
This gives us cos^2x (1 - cos^2x)^2, which can be expanded using the binomial theorem to give cos^2x (1 - 2cos^2x + cos^4x).
Finally, we can simplify this expression further by distributing the cos^2x term and collecting like terms to get cos^2x - 2cos^4x + cos^6x.
Therefore, the simplified expression of cos^2x sin^4x is cos^2x - 2cos^4x + cos^6x.
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Between 1998 and 2018, inflation for prices of goods and services has been about 51%. Suppose a salon charged $18 for a basic haircut in 1998 and has been raising prices by a steady percentage each year to keep up with inflation.
What is the price of a haircut at the salon in 2008? Explain or show your reasoning.
In 2003, the salon charged $19.95 for a basic haircut. Find the cost of the basic haircut in 2013. Explain your reasoning.
Answers
9514 1404 393
Answer:
$22.12$24.51Step-by-step explanation:
For some growth factor f each year, the growth factor over 20 years is given as ...
f^20 = 1 +0.51 = 1.51
Then the growth factor in 10 years is ...
f^10 = (f^20)^(1/2) = √1.51 ≈ 1.22882
__
a) In the 10 years between 1998 and 2008, the price of a basic haircut would rise to ...
$18 × 1.22882 ≈ $22.12 . . . price in 2008
__
b) In the 10 years between 2003 and 2013, the price of a basic haircut would rise to ...
$19.95 × 1.22882 ≈ $24.51 . . . price in 2013
surely help me with this question
Answers
Answer:
The area of the composite shape is:
122.50 \(cm^{2}\)Step-by-step explanation:
To find the area of composite shapes you can pull apart this in known shapes, in this case, a rectangle and a triangle. Taking into account this, we can find the rectangle area firstly:
Rectangle area = base * heightThe base of the rectangle is the measure from down (14 cm) and the height is the measure in the left side (7 cm), with these values we can replace the formula:
Rectangle area = base * heightRectangle area = 14 cm * 7 cmRectangle area = 98 \(cm^{2}\)Now, to calculate the area of the remaining triangle, we must use the next formula:
Triangle area = \(\frac{base*height}{2}\)Where the base would be equal to the left side of the shape (7 cm) and the height is the difference between the measurement in the top side and the measurement in the bottom side:
Height of the triangle = top side - bottom sideHeight of the triangle = 21 cm - 14 cmHeight of the triangle = 7 cmWe can replace in the formula:
Triangle area = \(\frac{7 cm * 7cm}{2}\)Triangle area =\(\frac{49cm^{2} }{2}\)Triangle area = 24.5 \(cm^{2}\)By last, we must add the two values of the areas obtained:
Area of the composite shape = rectangle area + triangle area.Area of the composite shape = 98 \(cm^{2}\) + 24.5 \(cm^{2}\)Area of the composite shape = 122.5 \(cm^{2}\)A basketball player scored 351 points last year. If the player plays 18 games this year, how many points will he need to average per game to beat last year’s total?
Answers
Answer:
The answer is C in my opinion and it is one of confusing question i have ever seen
Step-by-step explanation:
If he scored 351 points last years and he plays 18 games this year and if we want to know the points that he need to beat last year score in thsi year we need to divide 351÷18=19.5 so he will need to have no morethan 20 points because 19.5 is also enough to get the score
I hope u like it
solve pls !!! asap pls
Answers
Answer:
As shown in the attachment,
49.8 degrees
B) x+71.5=90
18.5 degrees
C) x+54=90
36 degrees
D) x+35=180
145 degrees
3.
-5(m-4n-5)-3
7(p-6q8)-4
please help me
Answers
-5(m-4n-5)-3
7(p-6q8)-4
13
Answer:
= 222q^8 - 5m + 20n -37 + 21
Step-by-step explanation:
−5(m−4n−5)−37(p−6q8)−4
step 1
=(−5)(m)+(−5)(−4n)+(−5)(−5)+(−37)(p)+(−37)(−6q8)+−4
=−5m+20n+25+−37p+222q8+−4
step 2
=−5m+20n+25+−37p+222q8+−4
=(222q8)+(−5m)+(20n)+(−37p)+(25+−4)
=222q8+−5m+20n+−37p+21
Can someone help please?
Answers
Answer:
A
Step-by-step explanation:
From left to right of the graph, we can observe that the generally the points are going down. This means that the trend line drawn will have a negative slope.
In the slope-intercept form, which is the form the given equations are in, we have y= mx +c, where m is the slope and c is the y-intercept.
We are only interested in the slope in this case, since no actual values are given. Thus, let's focus on the coefficients of x to determine whether the slope is positive or negative.
Option A: Slope= -⅔ (negative)
Option B: Slope= 3 (positive)
Since we have a negative slope, option A would be the best answer.
The attached image shows 2 graphs. The graph in blue shows the shape of a graph with negative slope, while the graph in red has a positive slope.
The calculated flow rate using the venture meter differs than the actual flow because: O It is only used for liquids with high viscosity Venture meter has energy losses between its sections O The venture meter is inclined and not horizontal Venture meter is not reliable to measure the flow rate
Answers
The calculated flow rate using the venture meter differs than the actual flow because the Venture meter has energy losses between its sections.
The venturi meter is used for measuring the flow rate of fluids in pipelines. The venture meter is a device that utilizes the principle of Bernoulli’s equation for measurement of fluid flow. It consists of a converging section, a throat, and a diverging section.
The fluid flowing through the venture meter gets accelerated at the throat and decelerates at the diverging section. The difference in the pressure at the inlet and the throat is a measure of the flow rate of the fluid.The calculated flow rate using the venture meter differs from the actual flow rate. This is because there are energy losses in the venture meter between its sections.
These energy losses are due to the friction between the fluid and the walls of the venture meter. The energy losses result in a drop in pressure, which leads to an underestimation of the flow rate.In addition to energy losses, there are also other factors that can affect the accuracy of the venture meter. For example, the viscosity of the fluid can affect the flow rate. The venture meter is not suitable for use with liquids with high viscosity. Also, the orientation of the venture meter can affect the flow rate. The venture meter should be installed in a horizontal position to ensure accurate measurement.
The venture meter is a commonly used device for measuring fluid flow rates in pipelines. However, the calculated flow rate using the venture meter differs from the actual flow rate due to energy losses in the device between its sections. To ensure accurate measurement, the venture meter should be installed in a horizontal position and is not suitable for use with liquids with high viscosity.
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If p is the hypothesis of a conditional statement and q is the conclusion, which is represented by q→p?
O the original conditional statement
O the inverse of the original conditional statement
O the converse of the original conditional statement
O the contrapositive of the original conditional statement
Answers
Answer:
(c) the converse of the original conditional statement
Step-by-step explanation:
If a conditional statement is described by p→q, you want to know what is represented by q→p.
Conditional variationsFor the conditional p→q, the variations are ...
converse: q→pinverse: p'→q'contrapositive: q'→p'As you can see from this list, ...
the converse of the original conditional statement is represented by q→p, matching choice C.
__
Additional comment
If the conditional statement is true, the contrapositive is always true. The inverse and converse may or may not be true.
<95141404393>
Find the solution set.8x^2-2x=3 separate the two values with a comma.
Answers
Answer:
x = -1/2, 3/4
Step-by-step explanation:
Step 1: Isolate everything to 1 side
8x² - 2x - 3 = 0
Step 2: Factor
(4x - 3)(2x + 1) = 0
Step 3: Find roots
4x - 3 = 0
4x = 3
x = 3/4
2x + 1 = 0
2x = -1
x = -1/2
Which of the following expressions has a negative value? Select all that apply. A) -4 + 3 B) -1 – 5 C) 5 – 8 D) -7 - (-6) E) -4 - (-7)
Answers
Answer:
A, B, C, and D
Step-by-step explanation:
A) - 4 + 3
A) - 1
B) - 1 - 5
B) - 6
C) 5 - 8
C) - 3
D) - 7 + 6
D) - 1
E) - 4 + 7
E) 3
Answer:
Step-by-step explanation:
A) -4+3= -1
B) -1-5= -6
C) 5-8= -3
D) -7-(-6)= -1
E) -4-(-7)= 3
A, B, C, and D have negative values
please help mee
△ABC was transformed using two rigid transformations.
a. Compare all of the corresponding parts (angles and sides) of the image and preimage. Describe the results.
b. Explain why the results are true.
A triangle has six parts (three angles and three sides). Suppose you have two triangles that you want to prove are congruent, but you don't know the rigid transformations that map one triangle to the other.
A a. How do you think you can prove the two triangles are congruent without using rigid transformations?
b. Suppose one of your classmates thinks they can prove the triangles are congruent by proving only two pairs of corresponding parts congruent. How would you respond to this classmate?
Note: Be sure to number your responses for each question, like this: 1a, 1b, 2a, 2b.
Answers
The corresponding parts are:
<A = <A' = <A"<B = <B' = <B"<C = <C' = <C"AB = A'B' = A"B"AC = A'C' = A"C"BC = B'C' = B"C"How to compare the sidesThe statement is given as:
△ABC was transformed using two rigid transformations.
The rigid transformations imply that:
The images of the triangle after the transformation would be equal
So, the corresponding parts are:
<A = <A' = <A"<B = <B' = <B"<C = <C' = <C"AB = A'B' = A"B"AC = A'C' = A"C"BC = B'C' = B"C"Why the results are true?The results are true because rigid transformations do not change the side lengths and the angle measures of a shape
How to prove that two triangles are congruent without using rigid transformations?To do this, we simply make use any of the following congruent theorems:
SSS: Side Side SideSAS: Side Angle SideAAS: Angle Angle SideHow to respond to this classmate?The classmate's claim is that
Only two pairs of corresponding parts are enough to prove the congruent triangle
The above is true because of the following congruent theorems:
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Janet has a pink blouse, a red blouse and a white blouse. She has a pink skirt, a red skirt, a black skirt and a white skirt. How many combinations could she make?
Answers
Answer:
12 combos
Step-by-step explanation:
She can make about…combination
this is because:
pink shirt- pink skirt 1
pink shirt - black skirt 2
pink shirt - white skirt 3
pink shirt - red skirt 4
red shirt - pink skirt
red shirt - black skirt
red shirt - white skirt
red shirt - red skirt
white shirt - pink skirt
white shirt - black skirt
white shirt - white skirt
white shirt - red skirt
in math terms though, just multiply the 3 by 4 to get the amount :)
Find the midpoint of (2,-9) and (-4,-4)