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Gnom [1K]
3 years ago
15

13−x heregiventhatx=9 then 13−9=4 ​

Mathematics
1 answer:
Lilit [14]3 years ago
3 0

Step-by-step explanation:

this is my new I'd just to answer to you

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Diegos uncle sells computers. In addition to his wages, he gets paid 20% of the amount he sells
Ivahew [28]

Answer:

Answer:

Diego's uncle earned $600 because he told $3000 worth of computers.

Step-by-step explanation:

100% divided by 20% = 5

$600 x 5 = $3000

I hope this helps!

Step-by-step explanation:

4 0
2 years ago
A bivariate data set has x = 21, sx = 13, y = 55, sy = 27, and r = .88. What is the equation for the regression line of y on x?
earnstyle [38]

Answer:

c) y=16.57+1.83x

Step-by-step explanation:

Equation for regression line of y on x is given as

\hat{y}=mx+b --- (1)

where

\hat{y} = predicted value

m = slope of line

b = intercept

m and b are found as

m=r\frac{S_{y}}{S_{x}}---(2)\\\\b=\bar{y}-m\bar{x}---(3)

r = correlation coefficient = 0.88

Sx = standard deviation for independent variable x = 13

Sy = standard deviation for dependent variable y = 27

\bar{x} = mean value of independent variable x = 21

\bar{x} = mean value of dependent variable y = 55

Substituting these values in (2) and (3)

m=r\frac{S_{y}}{S_{x}}\\\\m=(0.88)\frac{27}{13}\\\\m=1.83

b=\bar{y}-m\bar{x}\\\\b=55-(1.827)(21)\\\\b=16.57

Putting these values of m and b in (1)

y=1.83x+16.57

5 0
3 years ago
What is the product (<img src="https://tex.z-dn.net/?f=%287%5Csqrt%7B8%7D%20%2B3%5Csqrt%7B12%7D%20%29%287%5Csqrt%7B8%7D%20-3%5Cs
tangare [24]
The product should be 284.
4 0
2 years ago
A rectangle prism with a length of 5 inches, a width of 4 inches, and a height of 3 inches.
Ivenika [448]

Answer:

▶◀

Step-by-step explanation:

n/a bc you didn't explain wut to do

7 0
2 years ago
Which choice could represent the surface area of a pyramid?
AnnZ [28]
75.6 ft^2
The surface area of a pyramid is always squared. Hope that helps
8 0
3 years ago
Read 2 more answers
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