3 years ago

A is a prorportional three dimensional model of an object

Mathematics

1 answer:

klio [65]3 years ago

5 0

Scale factor mark brainliest plz

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Solve -8 = 2y – 2. Show your work and how to check your solution.

Mashcka [7]

Answer: y = -3

Explanation:

-8 = 2y - 2
-2y = -2 + 8
y = 6/-2
y = -3

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3 years ago

A circle containing the point (6, 1) has its center at (3, 5). Complete the description of the changes in the circumference and

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2 years ago

Jerry bought 6.95 lbs of cherry and lime jelly beans for his birthday party. If 1.75 lbs were cherry flavor, how many pounds wer

cricket20 [7]

You would have 5.2 pounds of lime flavor
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3 years ago

Read 2 more answers

Find the value of a and of b for which<br>(a) the solution of x2 + ax < b is<br>-2<x < 4

KengaRu [80]

Answer: $a = -2$

$b = 8$

Step-by-step explanation:

Given :

$x^{2} +ax$

re - writing the equation , we have

$x^{2} +ax-b$

we need to find the value of a and b for which -2<x < 4 , this means that the roots of the quadratic equation are -2<x < 4.

The formula for finding the quadratic equation when the roots are known is :

$x^{2}$ - sum of roots(x) + product of root = 0

sum of roots = -2 + 4 = 2

product of roots = -2 x 4 = -8

substituting into the formula , we have:

$x^{2} -2x-8=0$ , which could be written in inequality form as

$x^{2} -2x-8$

comparing with $x^{2} +ax-b$ , it means that :

$a = -2$

$b = 8$

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3 years ago

What are scenarios for the ratios 2:10, 10:2, & 12:1?

frozen [14]

Answer:

2:10 2/10 2 to 10 10:2 10/2 10 to 2 12:1 12/1 12 to 1

Step-by-step explanation:

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