Answer: 5=49, 6= 131
Step-by-step explanation:
Simplify 20m + 12 - 8m + 6 + 10m -2
NEED DONE ASAP
Answer:22m+18=-2
Step-by-step explanation:
20m-8m+10m+12+6=-2
12+10=22m
22m+12+6-2
22m +18=-2
Twice the sum of a number and 11 is 34.
Answer:
The number is 6.Solution:
2(x + 11) = 34=> 2x + 22 = 34=> 2x = 34 - 22=> 2x = 12=> x = 12/2=> x = 6Hence, the number is 6.
\(BrainiacUser1357\)
Which graph has the same end behavior as f (x) = StartFraction negative 6 x Superscript 5 Baseline minus x cubed + 7 x Over 2 x squared + 1 EndFraction
The graph with the same end behavior is the one in option C.
Which graph has the same end behavior?The given function has a numerator with a negative leading coefficient and an odd degree, while the denominator is a quadratic polynomial.
It will mean that as x tends to negative infinity, the function tends to infinity, and as x tends to positive infinity, the function tends to negative infinty, that is the end behavior of the given function.
The graph with that end behavior is the same one than in option C.
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Marcus was interested in whether the frequency that students check emails impacts their grades in the class. He categorized students into three groups. Those who checked email daily, those who checked email at least 2x a week (but not every day), and those who checked email less than 2x a week. Below are the GPAs for the students he studied. Conduct the steps of hypothesis testing on these data.
Table of data: GPAs for students separated by how often they check their email
Daily 2x a week Less than 2x a week
3.6 3.5 2.9
3.5 3.4 3.0
3.7 3.2 3.2
4.0 3.2 2.7
The steps to conduct the steps of hypothesis testing on these data are:
State the null hypothesis (H0) as well as the alternative hypothesis (H1):Select the significance level (alpha): Select the right test statistic:Formulate the decision rule:Compute the test statistic as well as the p-value:Decide on a decision.What is the hypothesis?The hypothesis will be:
H0: Email frequency does not affect grades.H1: Email frequency affects grades.Since we are comparing (GPAs) of three groups (students who check e-mail day by day, students who check mail at least 2x a week, and students who check mail less than 2x a week), one can be able to make use of one-way analysis of variance (ANOVA) as the fitting test measurement.
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Triple a number n is greater than 13.Write the word sentence as an inequality.
let
the number = n
Therefore,
\(\text{triple the number=n}\times3=3n\)Is greater than 13 .
\(3n>13\)Which is longer, 4 cm or 4.0 cm? Explain.
Answer: They are the same.
Step-by-step explanation:
4 and 4.0 is the same thing. You can disregard the zero because it is just a placeholder and has no value.
Same thing goes for 5.0, 6.0, 4.000, 5.000, 6.000, etc. Make sure it is not confused with a comma, however.
Hope this helps!
A building is constructed using bricks that can be modeled as right rectangular prisms with a dimension of 7 in by 3 in by 3 1/4 in. If the bricks cost $0.04 per cubic inch, find the cost of 650 bricks. Round your answer to the nearest cent.
The cost of 650 bricks which are right rectangular prisms is $1774.5.
What is a rectangular prism?
Having six faces, a rectangular prism is a three-dimensional shape (two at the top and bottom and four are lateral faces). The prism's faces are all rectangular in shape. There are three sets of identical faces as a result. A rectangular prism is often referred to as a cuboid because of its shape.
The dimensions of the right rectangular prism brick is -
width, w = 7 in
length, l = 3 in
height, h = 3(1/4) in = 3.25 in
Find the volume of the brick -
Volume = w × l × h
Volume = 7 × 3 × 3.25
Volume = 68.25 in³
The volume occupied by 650 bricks is -
V650 = 68.25 × 650
V650 = 44362.5 in³
The cost of cubic inch of brick is $0.04.
The cost of 650 bricks is -
Total cost = 44362.5 in³ × $0.04
Total cost = $1774.5
Therefore, the total cost is obtained as $1774.5.
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To be eligible for the swim team, the mean pace a student needs to achieve on 5 laps of the pool is 60 seconds (s). The student swims a lap in 63 s, 62 s, 65 s, and 58 s on her first four laps.
What is the maximum time (in seconds) that she can take on her last lap and still make the team?
52s is the maximum time that she can take on her last lap and still make the team.
What is Statistics?Statistics is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data.
Given that he mean pace a student needs to achieve on 5 laps of the pool is 60 seconds (s).
The student swims a lap in 63 s, 62 s, 65 s, and 58 s on her first four laps.
We need to find the maximum time (in seconds) that she can take on her last lap and still make the team
Let x be the maximum time (in seconds) that she can take on her last lap
60=(63+62+65+58+x)/5
300=63+62+65+58+x
300=248+x
Subtract 248 on both sides
300-248=x
x=52s
Hence, 52s is the maximum time that she can take on her last lap and still make the team.
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Jada thinks the perimeter of this rectangle can be represented with the expression a+a+b+b Andre thinks it can be represented with 2a+2b Do you agree with either of them? Explain your reasoning
Answer:
yes agreed
Step-by-step explanation:
a+a=2a
b+b=2b
=2a+2b
8x – 3y = -21
y = 5x + 7
4x + 2y = 4
Is y a function of x?
Find an equation of the line that satisfies the given conditions
Through (1, 1); parallel to the line y = 2x - 7
m=2 → y = 2x + b →(1,1)→ 1= 2(1) + b → b= 1-2 = -1
y = 2x - 1
Tropical dried fruit costs $1.50 per pound and regular dried fruit costs $0.90 per pound. You want to create a mixed bag of tropical dried fruit and regular dried fruit that is worth $1.30 per pound. How many pounds of tropical dried fruit do you need if you have already purchased 50 pounds of regular dried fruit?
t = total amount of lbs of Tropical dried fruit
m = total amount of lbs of mixed bag
\(\begin{array}{lcccl} &\stackrel{fruit}{lbs}&\stackrel{per~lb}{price}&\stackrel{total}{price}\\ \cline{2-4}&\\ \textit{tropical fruit}&t&1.50&1.5t\\ \textit{regular fruit}&50&0.90&45\\ \cline{2-4}&\\ \textit{mix bag}&m&1.30&1.3m \end{array}~\hfill \begin{cases} t+50=m\\ 1.5t+45=1.3m \end{cases} \\\\[-0.35em] ~\dotfill\)
\(\stackrel{\textit{substituting on the 1st equation}}{1.5t+45=1.3\stackrel{m}{(t+50)}}\implies 1.5t+45=1.3t+65\implies 0.2t+45=65 \\\\\\ 0.2t=20\implies t=\cfrac{20}{0.2}\implies \boxed{t=100}\)
Consider the function f(x)=2x−−√−8. If f−1(x) is the inverse function of f(x), find f−1(2)
\(f^(-1)(2) = 6\), which is consistent with our earlier result.
What is inverse function?A function that "undoes" another function is known as an inverse function. If f(x) is a function, then f(x inverse, )'s indicated by f-1(x), is a function that accepts f(x output )'s as an input and outputs f(x initial )'s input.
Given the function f(x) = √(2x - 8), if f^(-1)(x) is the inverse function of f(x), what is \(f^(-1)(2)\)?
Solution:
To find f^(-1)(2), we need to find the value of x such that \(f(x) = 2\) . We can set up an equation:
\(f(x) = \sqrt(2x - 8) = 2\)
Squaring both sides, we get:
\(2x - 8 = 4\)
\(2x = 12\)
\(x = 6\)
Therefore, \(f^(-1)(2) = 6.\)
We can also verify this result by using the definition of an inverse function. If f^(-1)(x) is the inverse function of f(x), then by definition:
\(f(f^(-1)(x)) = x\)
We can substitute x = 2 and solve for f^(-1)(2):
\(f(f^(-1)(2)) = 2\)
\(f^(-1)(2) = (f(6))^(-1)\)
f(6) = √(2(6) - 8) = √4 = 2
Therefore,\(f^(-1)(2) = 6\), which is consistent with our earlier result.
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There are 28 students in a homeroom. How may different ways can they be chosen tobe elected President, Vice President, and Treasurer?
Since we have 28 students, there are 28 different ways for choosing the President. Then, there are 27 different ways for the Vice President and 26 ways for the Treasurer.
Therefore, there are
\(3P28=28\cdot27\cdot26=19656\)ways to choose a President, Vice President and Treasurer. Therefore, the answer is: 19656
Here are the amounts of money (cents) in coins carried by 10 students in a statistics class:
50350977600872365
To make a stemplot of these data, you would use stems
A. 0, 1,2,3, 4, 5, 6,7,8, 9.
B. 00, 10, 20, 30, 40, 50, 60, 70, 80, 90.
C.0, 2, 3, 5, 6, 7, 8, 9.
D. None of the above.
The stems are 0, 2, 3, 5, 6, 7, 8, 9. Therefore, option C is the correct answer.
Given that, here are the amounts of money (cents) in coins carried by 10 students in a statistics class: 50, 35, 0, 97, 76, 0, 0, 87, 23, 65.
We have to plot a stemplot for this data.
What are stem plots?A stem and leaf plot also called a stem and leaf diagram is a way of organizing data into a form that makes it easy to observe the frequency of different types of values. It is a graph that shows numerical data arranged in order. Each data value is broken into a stem and a leaf.
A stem and leaf plot is represented in form of a special table where each first digit or digit of data value is split into a stem and the last digit of data in a leaf. This " | " symbol is used to show stem values and leaf values and it is called as stem and leaf plot key.
Now, 0, 0, 0, 23, 35, 50, 65, 76, 87, 97.
As the stem and leaf plot definition states,
2 I 3 ⇒ 2 on the stem and 3 on the leaf read as 23.
3 I 5 ⇒ 3 on the stem and 5 on the leaf read as 35.
5 I 0 ⇒ 5 on the stem and 0 on the leaf read as 50.
6 I 5 ⇒ 6 on the stem and 5 on the leaf read as 65.
7 I 6 ⇒ 7 on the stem and 6 on the leaf read as 76.
8 I 7 ⇒ 8 on the stem and 7 on the leaf read as 87.
9 I 7 ⇒ 9 on the stem and 7 on the leaf read as 97.
The stems are 0, 2, 3, 5, 6, 7, 8, 9. Therefore, option C is the correct answer.
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Solve for d.
2d = 6 + 3d
p.s the virus bots of brainly your not slick no one is falling for it
Answer:
D = -6
Step-by-step explanation:
2d= 6 + 3d
Subtract 3d from each side
-d =6
divide by a -1
d = -6
Answer:
d=(-6)
Step-by-step explanation:
2×(-6)=(-12)=6+(3×(-6))
When the scale factor is 1, what is the ratio of the side length of the side opposite ∠A and the length of the hypotenuse?
when the scale factor is 1, we have:
(side length of side opposite ∠A) / (length of hypotenuse) = sin A
When the scale factor is 1, the ratio of the side length of the side opposite ∠A to the length of the hypotenuse remains the same as in the original triangle. In a right triangle, the side opposite ∠A is referred to as the "opposite" side, and the hypotenuse is the longest side.
The ratio of the side length of the side opposite ∠A to the length of the hypotenuse is commonly known as the sine of angle A (sin A). So, when the scale factor is 1, the ratio of the side length of the side opposite ∠A to the length of the hypotenuse is equal to sin A.
In mathematical terms, when the scale factor is 1, we have:
(side length of side opposite ∠A) / (length of hypotenuse) = sin A
It's important to note that this ratio holds true for any right triangle, regardless of its size or dimensions, as long as the angle A remains the same.
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Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, A = {1, 3, 5, 7, 9}, B = {2, 4, 6, 8, 10}, and C = {1, 2, 4, 5, 8, 9}. List the elements of each set.
Answer:
\(C\ n\ C^c = \{ \}\)
\((A\ n\ C)^c = \{2,3,4,6,7,8,10\}\)
\(A\ u\ (B\ n\ C) = \{1, 2,3, 4,5, 7, 8,9\}\)
Step-by-step explanation:
Required
Determine
\(C\ n\ C^c\)
\((A\ n\ C)^c\)
\(A\ u\ (B\ n\ C)\)
Solving \(C\ n\ C^c\)
\(C^c\) implies that elements in U but not in C
Since
\(C = \{1, 2, 4, 5, 8, 9\}\)
\(C^c = \{3, 6, 7, 10\}\)
\(C\ n\ C^c = \{1, 2, 4, 5, 8, 9\}\ n\ \{3, 6, 7, 10\}\)
\(C\ n\ C^c = \{ \}\)
Because there's no intersection between both
Solving \((A\ n\ C)^c\)
First, we need to determine A n C
\(A\ n\ C = \{1, 3, 5, 7, 9\}\ n\ \{1, 2, 4, 5, 8, 9\}\)
\(A\ n\ C = \{1, 5, 9\}\)
\((A\ n\ C)^c = (\{1, 5, 9\})^c\)
\((A\ n\ C)^c = \{2,3,4,6,7,8,10\}\)
Solving \(A\ u\ (B\ n\ C)\)
First, we need to determine B n C
\(B\ n\ C = \{2, 4, 6, 8, 10\}\ n\ \{1, 2, 4, 5, 8, 9\}\)
\(B\ n\ C = \{2, 4, 8\}\)
So:
\(A\ u\ (B\ n\ C) = \{1, 3, 5, 7, 9\}\ u\ \{2,4,8\}\)
\(A\ u\ (B\ n\ C) = \{1, 2,3, 4,5, 7, 8,9\}\)
Evaluate-16 to the power of -3/4
Answer: −1/8
Step-by-step explanation: maybe
The function f(x) = x2 + 6x +7 is graphed below.
Drag the correct word and the the appropriate value to the box with each given interval to indicate whether the function is increasing or decreasing on that interval
The function f(x) = x² + 6x + 7 is increasing over the interval x > -3 and decreasing over the interval x < -3.
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables.
Given the function f(x) = x² + 6x + 7. This is a quadratic equation,that is of degree two.
The function f(x) = x² + 6x + 7 is increasing over the interval x > -3 and decreasing over the interval x < -3.
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The function,f(x), is plotted below, Evaluate each limit, if it exists.
The limit exists and is equal to 6.
The limit exists and is equal to 4.
Now, let's use this concept to evaluate the limits of the given function F(x). Looking at the graph of F(x), we see that it approaches different values as x approaches different points. We will evaluate each limit separately:
lim F(x) as x → 1
As x approaches 1 from the left side, the function appears to be approaching a value of 2. Similarly, as x approaches 1 from the right side, the function appears to be approaching a value of 4. However, the limit does not exist as the function is not approaching a single value as x approaches 1.
lim F(x) as x → 3
As x approaches 3, the function appears to be approaching a value of 4.
lim F(x) as x → ∞
As x approaches infinity, the function appears to be approaching a value of 6.
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Tinaya worked 44.5 hours last week. If she is paid
$11.25 an hour, what was her total pay for the week? |
Answer:
it is 500.625
Step-by-step explanation:
it is the right one
I have finished half of this problem but i am still unsure on how to finish.
Answer:
Triangle PQR maps onto triangle KLM. This is possible because △PQR ≅ △KLM by ASA, and one congruent figure can be mapped onto another using rigid motions.
Step-by-step explanation:
For the first blank, we are given congruence statements for 1 side on each triangle and their two adjacent angles. This means we can use the Angle-Side-Angle theorem to declare △PQR and △KLM congruent.
For the second blank, we know that rigid transformations do not change the figure, they simply move its position on a plane, so this is the correct answer; had the △PQR and △KLM not been congruent, a non-rigid transformation would have to have occured, but this is not the case here.
Answer:
ASArigidStep-by-step explanation:
Given triangles PQR and KLM with QR ≅ LM, ∠Q ≅ ∠L, and ∠R ≅ ∠M, you want to know the applicable congruence postulate and whether the triangles are mapped to each other by rigid or non-rigid motion.
Sides and anglesThe segment QR has angle Q at one end and angle R at the other end. That means the side lies between the two angles. Likewise, segment LM lies between angles L and M.
When claiming congruence of these triangles, the appropriate postulate is the one that refers to the geometry with the congruent side between the congruent angles: ASA.
Motion"Rigid" motion is motion that preserves angle and length measures. By contrast, "non-rigid" motion may involve stretching or compression in one or more directions. It may or may not preserve angles or lengths.
Congruence is about showing that angles and lengths are the same from one figure to another. If you want to map congruent figures to each other, you must do so using rigid motion.
__
Additional comment
The rigid motions include ...
translationrotationreflection.<95141404393>
Please help me asap I’m really stuck
Answer:
Step-by-step explanation:
el
what is AE
AB=10
AE=2a + 10
ED=x + 3
CD=4
Enter you answer In the box
The given values into the equation AE = 2a + 10. Therefore, The value of AE is 3 - x.
To find the value of AE, we can substitute the given values into the equation AE = 2a + 10.
Given:
AB = 10
AE = 2a + 10
ED = x + 3
CD = 4
Since AB is a segment on the line, it can be divided into AE and ED. Therefore, AB = AE + ED.
We know that AB = 10 and CD = 4. So, if we subtract CD from AB, we get AE + ED = 10 - 4.
AE + ED = 6.
Now, we can substitute the value of ED, which is x + 3, into the equation: AE + x + 3 = 6.
To find the value of AE, we need to isolate it on one side of the equation. Let's subtract x and 3 from both sides:
AE = 6 - x - 3.
Simplifying further, we get;
AE = 3 - x.
Therefore, the value of AE is 3 - x.
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Stuck on this question
Answer:
below
Step-by-step explanation:
Just put 25 where 'n' is and calculate = 1441 rabbits
What linear function has the same y-intercept as the one that is represented by the graph?
The 3rd answer, y = 2x + 3
The graph has a y-intercept of positive 3. The y-intercept is when x is equal to 0 on the line.
A scale drawing of a rectangular deck is shown below. What is the perimeter of the actual deck?
Answer:
375 ft
Step-by-step explanation:
Given:
Length of deck on drawing = 11 in
Width of deck on drawing = 4 in
Scale of drawing: 2 in : 25 ft
Required:
Permitted of the actual deck
Solution:
First, find the actual length and width of the deck using the scale of the drawing given.
Scale = 2 in : 25 ft
Actual length = (11*25)/2 = 137.5 ft
Actual width = (4*25)/2 = 50 ft
Perimeter of actual deck = 2(length + width)
Perimeter = 2(137.5 + 50) = 2(187.5)
Perimeter = 375 ft
Answer:
375
Step-by-step explanation:
Which measure is equivalent to 1.5 kg?
1. 15 g
2. 150 g
3. 1500 g
4. 15,000 g
Answer:
number 2.) 1,500g
Step-by-step explanation:
i just know..