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3 years ago

Perpendicular lines AB and CD Intersect at point E. If m<AED=×+20, wha is the value of x

Mathematics

1 answer:

vladimir1956 [14]3 years ago

3 0

Answer:

x = 70°

Step-by-step explanation:

Itz given that AB & CD are perpendicular to each other and intersect at E . So , angle(AED) = 90°

But here the value of angle(AED) = 90°

So,

x + 20 = 90°

=> x = 90° - 20°

= 70°

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Student 4 has the largest percent error.

Step-by-step explanation:

The percent error of a measurement is given by

$p=\frac{|x-x_{true}|}{x_{true}}\cdot 100$

where

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$x_{true}$ is the actual value

For student 1:

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Percent error:

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Percent error:

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For student 4:

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Percent error:

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3 years ago

Which function has an inverse that is a function?

fredd [130]

Answer:

m(x)

Step-by-step explanation:

they would have to pass the horizontal line test and the vertical line test for both the origional and the inverse.

b(x) does not pass the horizontal line test in any of the y values over 3

d(x) does not pass the horizontal line test for y=-9

p(x) does not pass the horizontal line test for positive y values

and m(x) has only one corresponding x value for every y value

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On a certain hot summer's day, 581 people used the public swimming pool. The daily prices are $1.50 for children and $2.50 for

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Answer:

A = 219

C = 362

Step-by-step explanation:

Given,

581 = C + A

and

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solve 1st for A

A =581 - C

substute into 2nd

1090.50 = 1.5C + 2.5(581 - C)

solve for C

1090.50 = 1.5C + 1452.50 - 2.5C

1090.50 = -C + 1452.50

1090.50 - 1452.50 = -C

-362 = -C

C = 362

then

581 = C + A

581 = 362 + A

219 = A

A = 219

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3 years ago

Perpendicular lines AB and CD Intersect at point E. If m<AED=×+20, wha is the value of x​

Perpendicular lines AB and CD Intersect at point E. If m<AED=×+20, wha is the value of x