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3 years ago

What number does y stand for in this equation?

Mathematics

1 answer:

mr_godi [17]3 years ago

7 0

Answer:

B. 21

Step-by-step explanation:

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Jina wants to measure the width of a river. She marks off two right triangles, as shown in the figure. The base of the larger tr

Brilliant_brown [7]

Answer:

width of a river = 45m

Step-by-step explanation:

ration and proportion

let x = width of a river

x 20.9 m

------ = --------

56 m 26 m

x = (20.9 * 56) / 26

x = 45 m

therefore the width of a river is 45 m

7 0

3 years ago

This is the last question on my DBA! Please help!!

swat32

We need the graph to answer!

6 0

2 years ago

What is the inverse of the given coordinates: (1, 2) (3, 8) (-3, 6)?

Vilka [71]

Answer:(2,1) (8,3) (6,-3)

7 0

3 years ago

Rewrite each fraction with a denominator of 10 7/2 3/5

Vaselesa [24]

Answer:

$\frac{7}{2}=\frac{35}{10}$

$\frac{3}{5}=\frac{6}{10}$

Step-by-step explanation:

Given the fraction

$\frac{7}{2}$

Multiplying numerator and denominator by 5

$\frac{7}{2}\times \frac{5}{5}$

$=\frac{35}{10}$

Therefore,

$\frac{7}{2}=\frac{35}{10}$

Similarly,

Given the fraction

$\frac{3}{5}$

Multiplying numerator and denominator by 2

$\:\frac{3}{5}\times \:\frac{2}{2}$

$\frac{3}{5}\times \:\frac{2}{2}=\frac{6}{10}$

Therefore,

$\frac{3}{5}=\frac{6}{10}$

8 0

3 years ago

What's the distance between (0,2) and (0,8)?

N76 [4]

Answer:

6 units

Step-by-step explanation:

The distance between two points can be calculated with the formula

$\boxed{\textcolor{steelblue}{\text{Distance between 2 points}= \sqrt{(y_1 - y_2)^{2} + (x_1 - x_2)^{2} } }}$

However, since (0, 2) and (0, 8) have the same x coordinate of 0, the distance between them is the difference in their y-coordinates.

Distance between (0, 2) and (0, 8)

= 8 -2

= 6 units

7 0

2 years ago