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Mariulka [41]
2 years ago
15

Find the length of side x in

Mathematics
2 answers:
Kisachek [45]2 years ago
8 0

Answer: x=3

Step-by-step explanation:

from figure

=>tan45= x/3

=>x= 3tan45

=>x=3

Alinara [238K]2 years ago
8 0

Answer:

Step-by-step explanation:

here hypotenuse is x

since it is an isosceles triangle the other side of the triangle also must 3.

using pythagoras theorem

a^2 + b^2 = c^2

3^2 + 3^2 = x^2

9 + 9 = x^2

18 = x^2

\sqrt{18} = x

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Ratling [72]

Answer:

Ed and Sheerie save 7.5%.

Step-by-step explanation:

This question can be solved using a rule of three.

Ed and Sherrie save $90 each pay period from their combined paychecks, which total $1200. What percent do Ed and Sherrie save?

How much of $1200 is $90? $1200 is 100% = 1, $90 = x. So

$1200 - 1

$90 - x

1200x = 90

x = \frac{90}{1200}

x = 0.075

Ed and Sheerie save 7.5%.

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3 years ago
PLEASE HELP WITH THIS ONE QUESTION
Nana76 [90]

Answer:

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3 0
2 years ago
7 is what percent of 8
11Alexandr11 [23.1K]

Answer:

87.5%

Step-by-step explanation:

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7 0
2 years ago
A number a decreased by 7 is 2.
umka21 [38]

Answer:

9

Step-by-step explanation:

Let's first convert this to numbers. When a number is decreased by a certain amount, that is the same as saying that something is subtracted from it. Therefore:

a-7=2

Add 7 to both sides:

a-7+7=2+7

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Hope this helps!

7 0
3 years ago
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A system of two linear equations with two variables is shown below.
Orlov [11]
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