3 years ago

How do I solve for X

Mathematics

1 answer:

anyanavicka [17]3 years ago

8 0

Answer:

x=16

Step-by-step explanation:

so since a right angle is shown the it's telling that it's an isosceles triangle so you do 22-6=16

answer=16

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Solve the system by the substitution method. Show your work. 2y - x = 5 x^2 + y^2 - 25 = 0

Elza [17]

2y - x = 5
x^2 + y^2 - 25 = 0

x = 2y - 5

(2y-5)^2 + y^2 - 25 = 0
(2y-5)(2y-5) + y^2 - 25 = 0
4y^2 - 20y + 25 + y^2 - 25 = 0
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y = 0 , y = 4

x = 2y - 5 , when y = 0
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3 years ago

Find the volume of the following. Please round your answer to the nearest tenth. Please do not put units. Hint: You need to use

Sophie [7]

Answer:

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Step-by-step explanation:

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$\displaystyle V=\frac{1}{3}a^2h$

We are given a square pyramid with a base side a=14 ft but we're missing the height. It can be calculated by using the right triangle shown in the image attached below, whose hypotenuse is 25 ft and one leg is 7 ft

We use Pythagora's theorem:

$25^2=h^2+7^2$