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3 years ago

What is the equation of the line ?

Mathematics

1 answer:

Zielflug [23.3K]3 years ago

8 0

Answer:

y = -2x + 7

Step-by-step explanation:

tbh too lazy to explain

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Dilate a triangle with vertices (0,0), (0,2) and (2,0) using the scale factor k=3. What is the value of the ratio (new to origin

seropon [69]

Answer:

Part a) The ratio of the perimeters is $3$

Part b) The ratio of the areas is $9$

Step-by-step explanation:

Part A) What is the value of the ratio (new to original) of the perimeters?

we know that

If two figures are similar, then the ratio of its perimeters is equal to the scale factor

Let

z-----> the scale factor

x-----> the perimeter of the new triangle

y-----> the perimeter of the original triangle

$z=\frac{x}{y}$

we have

$z=3$

substitute

$\frac{x}{y}=3$

Part B) What is the value of the ratio (new to original) of the areas?

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

Let

z-----> the scale factor

x-----> the area of the new triangle

y-----> the area of the original triangle

$z^{2}=\frac{x}{y}$

we have

$z=3$

substitute

$\frac{x}{y}=3^{2}$

$\frac{x}{y}=9}$

3 0

3 years ago

12% of 250 is what answer

Bogdan [553]

The answer is 30.

Hope this helped :)
alisa202

6 0

3 years ago

-2(3y+5)=-4, find the value of 5y

Inessa05 [86]

Y=64 that's the answer to the problem

3 0

3 years ago

Read 2 more answers

The ratio of boys to girls in a class is 3:4. There are 35 students in the class. How many more girls than boys are there?

lisov135 [29]

Answer:

Step-by-step explanation:

sum the parts of the ratio, 3 + 4 = 7 parts

Divide the number of students by 7 to find the value of one part of the ratio

35 ÷ 7 = 5 ← value of 1 part of the ratio, then

3 parts 3 × 5 = 15 ← number of boys

4 parts = 4 × 5 = 20 ← number of girls

20 - 15 = 5

There are 5 more girls than boys

4 0

3 years ago

Cc is guaranteed the larger of $500 per week or 7% of sales. last week she

natulia [17]

Answer:

commission

Step-by-step explanation:

the worker is paid primarily through a percentage of their sales total for the commission than a salary or an hourly wage.

so is commission.

4 0

3 years ago