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3 years ago

PLEASE HELP!!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

Sloan [31]3 years ago

7 0

Step-by-step explanation:

a^2+b^2=c^2

10^2+b^2=17^2

100+b^2=289

-100 -100

b^2= 189

b= the square root of 189

b=13.7477270849

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1 + 2 + (-5) + 4 A . -6 B . -5 C . 0 D . 2 E . 4 F . 12

Dovator [93]

Answer:

Option D. 2

Step-by-step explanation:

1+2+(-5)+4

= 1+2-5+4

= 1+2+4-5

= 7-5

= 2

5 0

3 years ago

Pense un numero lo multiplique por 7 al resultado le sume 4 obtube 32

irina [24]

7x+4=32
7x=28
X=4
Creo que así se ase

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3 years ago

Consider the point P = (4,-1) and the line L, given by the equation y=2x+3.

3241004551 [841]

Answer:

A. y=2x-9

B. $y=-\frac{1}{2}x+1$

Step-by-step explanation:

A. Parallel lines have the same slope. That means the line y=2x+3 has the same slope as any line parallel to it. So the slope is 2.

Using m=2, substitute it and (4,-1) into the point slope form and simplify to find the y-intercept.

$y-y_1 = m(x-x_1)\\y--1=2(x-4)\\y+1=2(x-4)\\y+1=2x-8\\y=2x-9$

B. Perpendicular lines have slopes which are negative reciprocals of each other. The slope of the line y=2x+3 is 2. The slope perpendicular to it is -1/2.

Using m=-1/2, substitute it and (4,-1) into the point slope form and simplify to find the y-intercept.

$y-y_1 = m(x-x_1)\\y--1=-\frac{1}{2}(x-4)\\y+1=-\frac{1}{2}(x-4)\\y+1=-\frac{1}{2}x+2\\y=-\frac{1}{2}x+1$

6 0

3 years ago

Simplify the expression please

Taya2010 [7]

Answer:

-10/-12

Step-by-step explanation:

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3 years ago

Steven earns extra money babysitting. He charges $31.25 for 5 hours and $50 for 8 hours explain why the relationship between how

Serhud [2]

You should divide $31.25 by 5 and $50 by 8 and then see how the realationship are similar

8 0

3 years ago