3 years ago

A trapezoid has been rotated 180°. Is it true

Mathematics

1 answer:

lina2011 [118]3 years ago

8 0

Answer:

True.

Step-by-step explanation:

Rotations do not change the size of a shape. Dilations cause changes in the size of a shape.

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Find last year's salary if after a 5% pay raise , this year's salary is $39,375

ohaa [14]

Let x= last years salary. And 1.05 represents pay raise which 100% plus the 5%. 1.05(x)= 39375 you solve for x which gives you 37500

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4 years ago

Im going to cry... I need help..

Bad White [126]

Answer: 9

Step-by-step explanation:

If 12 is the whole length, and 3 is a small section of it, then 3 + j = 12

Or 12 - 3 = j

Therefore, 12 - 3 = 9

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3 years ago

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Find a formula for the inverse of the function. f(x) = e^6x − 9

STatiana [176]

Answer:

$f^{-1}(x)=\frac{1}{6}\ln(x+9)$

Step-by-step explanation:

So we have the function:

$f(x)=e^{6x}-9$

To solve for the inverse of a function, change f(x) and x, change the f(x) to f⁻¹(x), and solve for it. Therefore:

$x=e^{6f^{-1}(x)}-9$

Add 9 to both sides:

$x+9=e^{6f^{-1}(x)}$

Take the natural log of both sides:

$\ln(x+9)=\ln(e^{6f^{-1}(x)})$

The right side cancels:

$\ln(x+9)=6f^{-1}(x)$

Divide both sides by 6:

$f^{-1}(x)=\frac{1}{6}\ln(x+9)$

And we're done!

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3 years ago

The area of a triangle is 24 square inches. What is the height of the triangle if the base length is 6 inches?

Nataly_w [17]

B) 8
height=2(area/base)
h=2(24/6)
h=2(4)
h=8

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3 years ago

Is the answer for this question is 35?

USPshnik [31]

Answer:

yep :)

Step-by-step explanation:

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