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professor190 [17]
3 years ago
7

Can anyone help me with this? Solve to find x and y in the diagram.

Mathematics
1 answer:
zhuklara [117]3 years ago
3 0

Answer:

x=6 y=5

Step-by-step explanation:

parallel=90 degree

so...

15(x)=90

x=6

5(x which is 6) plus 12y=90

y=5

therefore the answer is x=6. y=5

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I'm stuck on this homework question. I forgot the formula to find the side. This is 9th grade geometry.
dexar [7]

Answer:

x = 2root(22)

see image.

Step-by-step explanation:

The triangle shown is one big triangle cut into two more smaller triangles: one medium-sized and one smaller.

ALL THREE TRIANGLES ARE SIMILAR BY AA.

Set the two smaller triangles up so you can see the corresponding sides. x is the short leg in one triangle and it is the long leg in the smallest triangle. Set up a proportion.

22/x = x/4

crossmultiply

x^2 = 22•4

x^2 = 88

square root both sides.

x = sqroot(88)

x = 2sqroot(22)

see image.

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3 years ago
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What is the inverse of f(x)= cube root of x +2.
DiKsa [7]
F(x)=\sqrt[3]{x+2}
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1. subsitute f(x) with y
2. switch y and x places
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so we have
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subsitute f(x) with y
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subtract 2 from both sides
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subsitute y with f⁻¹(x)
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Answer:

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Step-by-step explanation:

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