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2 years ago

HELPPP

Mathematics

1 answer:

ollegr [7]2 years ago

3 0

Answer:

1.25

Step-by-step explanation:

the scale factor is the ratio of corresponding sides, image to original, so

scale factor = $\frac{EZ}{TR}$ = $\frac{15}{12}$ = $\frac{5}{4}$ = 1.25

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Question is in picture

Slav-nsk [51]

Answer:

Step-by-step explanation:

the first thing I did to smome but you know 5AM was a l

7 0

3 years ago

Solve the system of linear equations using elimination.

N76 [4]

Answer:

C (-2,1)

Step-by-step explanation:

−2x − y = 3 (1)

−9x − y = 17 (2)

(1) y = -2x - 3

(2) y = -9x - 17

-2x - 3 = -9x - 17

7x = -14

x = -2

y = -2(-2) - 3

y = 4 - 3

y = 1

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3 years ago

Two marathon runners run the full distance of the marathon, approximately 26 miles, in 4 hours.

xxTIMURxx [149]

Answer:

6.5 miles in 1 hour and they will run 75% of the full distance in 1 hour.

Step-by-step explanation:

The distance covered by two marathon runners = 26 miles

They takes 4 hours

We need to find how many miles did they run in 1 hour

In 4 hour, the distance covered is 26 miles

To find distance covered in 1 hour, divide 26 by 4 such that.

$d=\dfrac{26}{4}\\\\d=6.5\ \text{miles/hour}$

So, they will cover 6.5 miles in 1 hour.

For percentage,

$\%=\dfrac{26-6.5}{26}\times 100\\\\=75\%$

So, they will run 75% of the full distance in 1 hour.

8 0

3 years ago

Pherris is graphing the function f(x) = 2(3)x. He begins with the point (1, 6). Which could be the next point on his graph?

Savatey [412]

Answer: (2, 18)

Step-by-step explanation:

When x=2, $f(2)=2(3)^{2}=18$ .

So, it should pass through (2, 18).

8 0

1 year ago

Which of the following is the correct ratio for converting kilograms to grams

Brrunno [24]

Answer:

1000 Grams : 1 Kilogram or 1 Kilogram : 1000 Grams

Step-by-step explanation:

In the metric system the value of a kilogram is solved like:

$Kg = \frac{g}{1000}$

When converting from grams to kilograms, we solve it like:

$g = \frac{kg}{0.0010000}$

Let's take for example:

2 KG is how many grams?

We use the grams to kilograms formula like so:

$g = \frac{2}{0.0010000}$

Then we end up with:

g = 2000

6 0

3 years ago