3 years ago

XYZ is a right triangle Angle z is a right angle, XZ=10 YZ= √60 What is XY

Mathematics

1 answer:

Elenna [48]3 years ago

5 0

Answer:

XY = $4\sqrt{10}$

Step-by-step explanation:

Hope this helps u !!

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Isabella ran the 100-meter dash five times. The time it took her to complete each race, in seconds, was 12.7, 12.807, 12.78, 12.

Stells [14]

Given:

Number of 100-meter races = 5

The time it took Isabella to complete each race, in seconds, was 12.7, 12.807, 12.78, 12.08, and 12.087.

To find:

The decimals in order from greatest to least.

Solution:

The time it took Isabella to complete each race, in seconds, was shown below:

12.7, 12.807, 12.78, 12.08, 12.087

We need to arrange this data in descending order.

In all 5 numbers the digits before decimals are same. On comparing the digits on the tenth place and hundredth place, we get

12.807 > 12.78 > 12.7 > 12.087 > 12. 08

Therefore, the required order of given data is 12.807, 12.78, 12.7, 12.087, 12. 08.

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sammy [17]

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4 years ago

Most staircases in use today have 9−inch treads and 8 12 −inch risers. What is the slope of a staircase with these measurements?

Sati [7]

Answer:

The value is $m = 0.9022$

Step-by-step explanation:

From the question we are told that

The length of the treads is $a = 9 \ inch$

The length of the risers is $b = 8.12 \ inch$

Generally the slope of the staircase is

$m = \frac{b}{a}$

=> $m = \frac{8.12}{9}$

=> $m = 0.9022$

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3 years ago

Can someone please explain each step in solving this?

olga_2 [115]

M(<Q) = 90; m(<P) = 12; m(<x) = 180 - 90 - 12 => m(<x) = 78. a.

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Ludmilka [50]

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