Answer:
-1/2
Step-by-step explanation:
1/3 = 2/6 (find common denominator)
-(2/6) - (1/6) = -3/6 = -1/2
\(\large\underline{\sf{Solution-}}\)
\( \sf - \frac{1}{3} - \frac{1}{6} \\ \)
\(\textsf{Take the LCM of 3and 6 is 6.}\\\)
\( \sf = \frac{ - 2 - 1}{ 6} \\ \)
\( = \frac{ - 3}{6} \\ \)
\( \sf = - \frac{1}{2} \\ \)
answer both please i will give brainliest
Answer: The first one is 15 and the second one is 1.
Step-by-step explanation: I plugged in -4 where x is so the equation was (-4)^2-1 which equals 15.For other one i did the same thing except with the 2 so the equation was 3(2)-5 which equals 1.
Solve for x. Round your answer to the nearest tenth. Will brainlist first correct
the answer to your question is D
Answer:
m ∠ CDB ≈ 68.7°
Step-by-step explanation:
Covert the following decimals to percents.
0.15 =_%
Answer:
15%
Step-by-step explanation:
0.15 x 100 = 15%
Can someone please solve this
An icecream shop has 10 flavors. One can choose 4 different
flavors. What is the total number of possible flavor
combinations?
a.
252
b.
462
c.
120
d.
330
e.
210
2.
An ice cream shop has 10 flavors and one can choose 4 different flavors. The question asks for the total number of possible flavor combinations.Therefore, we need to find the number of ways in which 4 flavors can be chosen from 10 flavors.
In such cases where order does not matter and repetitions are not allowed, we can use the formula for combinations which is as follows:C(n, r) = n! / (r! (n - r)!)Where n is the total number of items, r is the number of items being chosen at a time and ! represents the factorial function.
Using this formula we can find the total number of possible flavor combinations. Substituting the values in the above formula, we get:C(10, 4) = 10! / (4! (10 - 4)!)C(10, 4) = (10 * 9 * 8 * 7) / (4 * 3 * 2 * 1)C(10, 4) = 210Hence, there are 210 possible flavor combinations when one can choose 4 different flavors
.Explanation:The formula to be used for this type of question is combination. Combination is the method of selecting objects from a set, typically without replacement (without putting the same item back into the set) and where order does not matter. The formula for combination is given by C(n,r)=n!/(r!(n-r)!).
For more questions on: combinations
https://brainly.com/question/29595163
#SPJ8
GIVE ME REAL ANSWERS! WILL MAKE BRAINLIST!
The function f(x)=-x^2+8x-7 is translated 5 units down. write the new equation in vertex form and state the vertex
Answer: The resulting equation in the vertex form is (y - 4) = -(x-4)^2 having the vertex at the point (4,4).
Which of the following expressions are equivalent to (x+y)-(-z)?
Choice a: (x+y)−z
Choice b: x+(y+z)
Choice c: None of the above
NEED ANSWER NOW
Determine if the sequence below is arithmetic or geometric and determine the
common difference / ratio in simplest form.
12, 9, 6, ...
Answer:
geometric t2-t1
Step-by-step explanation:
divide the second term by the first to get the common ratio
Answer: This is an arithmetic sequence and the common difference is equal to -3.
Step-by-step explanation:
=
39 newspapers in 3 piles
newspapers per pile
Answer:
there are 13 newspapers per pile
Step-by-step explanation:
to find newspapers per pile we divide 39/ 3
39/3= 13
2. Order the following numbers from least to
Greatest.
82%, 17/25,8.5,8/5
Find the inverse of the following function. f(x) 8√ x for x > 0
Inverse function of f(x) 8√ x for x > 0 is f^-1(y)is 8√y for y > 0. The inverse of a function is a function that "undoes" the original function.
What is inverse of a function?In order for a function to have an inverse, it must be one-to-one, meaning that each input value must correspond to a.
if the original function maps input values to output values, the inverse function maps the output values back to the input values.
To find the inverse of the function f(x) = 8√x for x > 0, we can use the following steps:
Replace f(x) with y. This gives us y = 8√x for x > 0.
Replace x with f^-1(y). This gives us f^-1(y) = 8√y.
Solve for y. To solve for y, we can square both sides of the equation:
y^2 = (8√y)^2
y^2 = 64y
y^2 - 64y = 0
y(y - 64) = 0
This equation has two solutions: y = 0 or y = 64. However, the original function is only defined for x > 0, so the inverse function is only defined for y > 0. This means that the inverse function is f^-1(y) = 8√y for y > 0.
Therefore, the inverse of the function f(x) = 8√x for x > 0 is f^-1(y) = 8√y for y > 0.
To learn more about inverse function refer :
https://brainly.com/question/11735394
#SPJ1
(3x^2)^2/3
Will give 50 points
Answer:
4.26
Step-by-step explanation:
3^2= 9
2/3= .66
9^.66
\(\\ \rm\Rrightarrow (3x^2)^{2/3}\)
\(\\ \rm\Rrightarrow 3x^{2\times 2/3}\)
\(\\ \rm\Rrightarrow (3x)^{4/3}\)
\(\\ \rm\Rrightarrow \sqrt[3]{3^2x^4}\)
\(\\ \rm\Rrightarrow \sqrt[3]{9x^4}\)
A chef turned on a faucet and filled a 2-gallon pot in 5 6 of a minute. What is the rate of water flow?
Answer:
2.4 gallon per minute
Step-by-step explanation:
Given that,
A chef turned on a faucet and filled a 2-gallon pot in 5/6 of a minute.
We need to find the rate of water flow. The rate of water flow is given by :
\(R=\dfrac{2}{\dfrac{5}{6}}\\\\=2\times \dfrac{6}{5}\\\\=2.4\)
So, the rate is 2.4 gallon per minute.
What is the x and y intercepts of y=-3x+5
Answer:
X=-3 y=5
Step-by-step explanation:
We've seen that as the sailboat logo is resized by dilation, the line segments that make up the logo may be mapped onto
parallel lines or stay on the same line. The lengths of the image are the lengths of the preimage multiplied by the scale factor
Now we will use GeoGebra to compare the angles of a dilated figure to the angles of the original figure. Open dilations
again. Then complete each step below. For help, watch this video to learn more about measurement tools in GeoGebra.
Part A
Measure and record the measures of these angles in the original logo. Then set n = 0.5 and n = 2, and record the
measures of the corresponding angles in each resulting image.
BIUX² X₂ 14pt
A
Angle Original Measure Measure After Dilation
n = 0.5
n = 2
ZFGB
ZGBC
ZLKJ
B
The angle measures of the triangles before and after dilation are the same
Calculating the angle measures before and after dilationGiven that, we have a triangle that is dilated to form another triangle by a scale factor of n
The dilation transformation is a rigid transformation
This means that it changes the size of a shape after it is applied
However, the shape and the image would be similar shapes and as such would have their angles unchanged
This means that irrespective of the value of the scale factor n, the angle measures would remain the same
Read more about dilation at
https://brainly.com/question/29200743
#SPJ1
Write down the inequality described by "half of x is no more than three", and solve for x.
Answer:
Inequality: \(\frac{x}{2} \leq 3\)
Solved: \(x\leq 6\)
Step-by-step explanation:
\(\frac{x}{2} \leq 3\)
\(x\leq 6\)
cindy claims that 4^x/12^x=1/3
Inx 17. Evaluate the integral (show clear work!): S * dx
14. Write an expression that gives the area under the curve as a limit. Use right endpoints. Curve: f(x) = x? from x = 0 to x = 1. Do not att
The integral ∫[0 to 1] x² dx evaluates to 1/3.
To evaluate this integral, we can use the power rule for integration. Applying the power rule, we increase the power of x by 1 and divide by the new power. Thus, integrating x² gives us (1/3)x³.
To evaluate the definite integral from x = 0 to x = 1, we substitute the upper limit (1) into the antiderivative and subtract the result when the lower limit (0) is substituted.
Using the Fundamental Theorem of Calculus, the area under the curve is given by the expression A = ∫[0 to 1] f(x) dx. For this case, f(x) = x².
To approximate the area using right endpoints, we can use a Riemann sum. Dividing the interval [0, 1] into subintervals and taking the right endpoint of each subinterval, the Riemann sum can be expressed as lim[n→∞] Σ[i=1 to n] f(xᵢ*)Δx, where f(xᵢ*) is the value of the function at the right endpoint of the i-th subinterval and Δx is the width of each subinterval.
In this specific case, since the function f(x) = x² is an increasing function on the interval [0, 1], the right endpoints of the subintervals will be f(x) values.
Therefore, the area under the curve from x = 0 to x = 1 can be expressed as lim[n→∞] Σ[i=1 to n] (xi*)²Δx, where Δx is the width of each subinterval and xi* represents the right endpoint of each subinterval.
To learn more about integral click here
brainly.com/question/31059545
#SPJ11
10 minus 7n=73 whats the answer
Answer:
\(n=-9\)
Step-by-step explanation:
Subtract 10 on both sides giving you: -7n = 63
The divide -7 to both sides giving you -9
Tip: A negative divided by a positive is a negative.
Fill in the missing number.
75% of what = 6
Answer:
8
Step-by-step explanation:
75% of x = 6
0.75x = 6
x = 6/0.75
x = 8
Answer: 8
how many total calories are available from a serving of crackers that contains 4 grams of fat, 21 grams of carbohydrate and 2 grams of protein?
A cylinder has a radius of 2.5meters. Its volume is 37.5\pi cubic meters. What is the height of the cylinder?
Answer: height = 1.91 m
Step-by-step explanation: Using the formula
V=πr2h
Solving for h
h=V
πr2=37.5
π·2.52≈1.90986m
Find the area of the polygon. It has a length of 10 in and a width of 5 in.
Answer:
25 squareinches
Step-by-step explanation:
All polygons with the same length and width has the sam area.
Use the integers that are closets to the number 85
Answer:
81 and 9 is the answer I got hope it helps
Which equation can she use as statement 5? (3x + 24):3x = 85:51 (3x + 24):85 = 51:3x (3x + 24):51 = 3x:85 34:24 = 3x:51.
The equation that she can use as statement 5 is c) (3x + 24): 51 = 3x: 85.
To prove that x = 12, Dora must first prove that the segments ST and RQ are parallel. This can be done by showing that the angles formed by their intersection are congruent.
Since the angles, QRT and STP are congruent (statement 2) and the angles SPT and QPR are congruent (statement 3), the Triangle-Angle Angle Similarity Postulate can be applied to show that triangle SPT is congruent to triangle QPR (statement 4).
Now, the corresponding sides of the two triangles must be in proportion in order to prove that x = 12. For this, Dora can use the equation (3x + 24) : 51 = 3x : 85 (statement 5). This equation states that the ratio of the lengths of the corresponding sides of the two triangles is equal to the ratio of 3x to 51 and 3x to 85, respectively.
Since the ratio of the sides of the two triangles must be equal, then 3x + 24 must be equal to 85 and 3x must be equal to 51. Solving for x, we get x = 12, proving that if segment ST is parallel to segment RQ, then x = 12.
For more questions like Congruent click the link below:
https://brainly.com/question/12413243
#SPJ4
The complete question
Look at the figure shown below. Dora is writing statements as shown to prove that if segment ST is parallel to segment RQ, then x = 12.
1.Segment ST is parallel to segment QR
Given
2.Angle QRT is congruent to angle STP
Corresponding angles formed by parallel lines and their transversal are congruent.
3.Angle SPT is congruent to angle QPR
Reflexive property of angles.
4.Triangle SPT is congruent to triangle QPR
Angle-Angle Similarity Postulate
5.?Corresponding sides of similar triangles are in proportion.
Which equation can she use as statement 5?
(3x + 24) : 3x = 85 : 51
(3x + 24) : 81 = 3x : 51
(3x + 24) : 51 = 3x : 85
34 : 24 = 3x : 51
It was reported that in a survey of 4707 American youngsters aged 6 to 19, 18% were seriously overweight (a body mass index of at least 30; this index is a measure of weight relative to height). Calculate a confidence interval using a 99% confidence level for the proportion of all American youngsters who are seriously overweight. (Round your answers to three decimal places.)
The 99% confidence interval for the proportion of all American youngsters who are seriously overweight is approximately 0.169 to 0.191.
A confidence interval for the proportion of all American youngsters who are seriously overweight, we can use the following formula:
Confidence Interval = Sample Proportion ± Margin of Error
Sample Size (n) = 4707
Sample Proportion (p (cap)) = 18% = 0.18
Confidence Level = 99%
First, we need to calculate the margin of error (ME). The formula for the margin of error is:
Margin of Error (ME) = Critical Value × Standard Error
The critical value depends on the desired confidence level. For a 99% confidence level, the critical value can be obtained from a standard normal distribution table or a statistical software. In this case, the critical value is approximately 2.576.
The standard error (SE) is calculated as
Standard Error (SE) = √((p (cap) × (1 - p (cap))) / n)
Now, let's calculate the margin of error and the confidence interval
Standard Error (SE) = √((0.18 × (1 - 0.18)) / 4707)
Margin of Error (ME) = 2.576 × SE
Confidence Interval = Sample Proportion ± Margin of Error
Calculating the values
SE ≈ 0.00429
ME ≈ 2.576 × 0.00429 ≈ 0.01103
Lower bound = Sample Proportion - ME Lower bound
= 0.18 - 0.01103
= 0.169
Upper bound = Sample Proportion + ME Upper bound
= 0.18 + 0.01103
= 0.191
Rounding the results to three decimal places
Lower bound ≈ 0.169 Upper bound ≈ 0.191
Therefore, the 99% confidence interval for the proportion of all American youngsters who are seriously overweight is approximately 0.169 to 0.191.
To know more about confidence interval click here :
https://brainly.com/question/32546207
#SPJ4
Combine the like terms to create an equivalent expression: − 3 k − ( − 8 ) + 2
Answer:
-3k + 10
Step-by-step explanation:
-3k-(-8)+2 = -3k + 8 + 2 = -3k +10
Answer:
-3k + 10
Step-by-step explanation:
-3k + 8 + 2 =
-3k + 10
Hope that helps!
please help me, I will give brainliest! :D
Answer:
Sorry i dont know but need the points
Step-by-step explanation:
A car that weighs 2000 kg is moving at an
acceleration of 20 m/s2.
How much force does the car have?
Answer:
40000
Step-by-step explanation:
Use force calculator
Triangle ABC was dilated using the rule D 5/4
Point Y is the center of dilation. Triangle A B C is dilated to form triangle A prime B prime C prime.
If CA = 8, what is C'A'?
10 units
12 units
16 units
20 units
The C'A' of the triangle after dilation is 10 units.
How to find C'A'?Dilation is a transformation that changes the size of an object or shape without changing its shape. The shape can be a point, a line segment, a polygon, etc.
Since triangle ABC was dilated using the rule D 5/4 and CA = 8.
To find the image of CA (C'A') after a dilation of 5/4. We can say:
C'A' = CA * dilation
C'A' = 8 * 5/4
C'A' = 10 units
Learn more about dilation on:
brainly.com/question/28956841
#SPJ1