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2 years ago

Solve for the missing variable. Round to the nearest tenth.

Mathematics

1 answer:

zysi [14]2 years ago

4 0

Answer:

x = 10
y ≈ 8.7

Step-by-step explanation:

Corresponding sides of these triangles are proportional, so you have ...

x/5 = 20/x

x² = 5·20 . . . . . . . cross multiply

x = √100 = 10

and ...

y/15 = 5/y

y² = 15·5 . . . . . . cross multiply

y = √75 ≈ 8.7
_____

For more on the subject, see ...

brainly.com/question/26276659

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Choose the word that correctly completes the statement

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2 years ago

What is 8/12 in simplest form

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3 years ago

Line segment AB has endpoints A(-1.5, 0) and B(4.5 8). Point C is on line segment AB located at (0, 2)

Pie

Answer:

The ratio of AC/CB=1/3

Step-by-step explanation:

We use the section formula:

$(\frac{mx_2+nx_1}{m+n},\frac{my_2+ny_1}{m+n})$

We substitute the point A(-1.5,0) and B(4.5,8).

We plug in the points to get:

$(\frac{4.5m - 1.5n}{m+n},\frac{8m+n \times 0}{m+n})$

This is supposed to be equal to: (0,2).

$(\frac{4.5m - 1.5n}{m+n},\frac{8m+n \times 0}{m+n}) = (0,2)$

We can equate, corresponding coordinates to find m and n.

$\frac{4.5m - 1.5n}{m + n} = 0$

This implies that:

$4.5m - 1.5n = 0$

$4.5m = 1.5n$

$\frac{m}{n} = \frac{1.5}{4.5}$

$\frac{m}{n} = \frac{1}{3}$

Therefore the ratio is m:n=1:3

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3 years ago

The height, h, in feet of the tip of the hour hand of a wall clock varies from 9 feet to 10 feet. Which of the following equatio

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3 years ago

Read 2 more answers

Find the common difference for the sequence shown: [1/5, 13/40, 9/20...)

bazaltina [42]

<h3>Answer: 1/8</h3>

Explanation:

Pick any term and subtract off the previous term to get the common difference.

So,

13/40 - 1/5 = 13/40 - 8/40 = (13-8)/40 = 5/40 = 1/8

9/20 - 13/40 = 18/40 - 13/40 = (18-13)/40 = 5/40 = 1/8

The positive common difference value indicates this arithmetic sequence is increasing.

6 0

2 years ago