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3 years ago

Please help! what is the measure of x?

Mathematics

1 answer:

Alexeev081 [22]3 years ago

4 0

28°
Since KL and FG are perpendicular they create a 90° angle. 180-90-62=28

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What is 20% of 900 ?

dimulka [17.4K]

Answer:

180

Step-by-step explanation:

900/ 10= 90x 2= 180

haha very bad explaination but hope it helps <3

7 0

3 years ago

Read 2 more answers

*I WILL MARK U BRANLIEST AND GIVE 40 POINTS IF U ANSWER ALL THREE*

Gnesinka [82]

Step-by-step explanation:

1. 18(5)=90 18(6)=108

90*108= 9720

Her size of the original work was 9720 inches.

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3 years ago

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Marat540 [252]

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3 years ago

1/4k + 17 = 1 (solve for the unknown variable)

dybincka [34]

Answer:

k = -64

Step-by-step explanation:

I'll assume that you meant "(1/4)k." Please use parentheses in cases such as this one.

Subtract 17 from both sides, obtaining (1/4)k = -16.

Multiply both terms of this result by 4 to eliminate the fraction 1/4:

k = -64

7 0

3 years ago

A rock is thrown into a still pond. The circular ripple move outward from the point of impact of the rock so that the area of th

4vir4ik [10]

Answer:

$\approx 31.42 \text{ Square feet per minute}$

Step-by-step explanation:

Area of the Pond A= $\pi r^2$

The increase in the area of the pond as it moves outward is: $\frac{dA}{dt}$

$\frac{dA}{dt}=\frac{d}{dt}\pi r^2\\\frac{dA}{dt}= 2\pi r \frac{dr}{dt}$

Since the area of the circle formed increases at the rate of 100 square feet per minute.

$\frac{dA}{dt}$ = 100 Square feet per minute

When the radius, r = 5 feet, we want to determine the rate at which the radius is changing, $\frac{dr}{dt}$ .

$\frac{dA}{dt}= 2\pi r \frac{dr}{dt}\\100=2*5*\pi \frac{dr}{dt}\\\frac{dr}{dt} =\frac{100}{10 \pi} =10 \pi \approx 31.42 \text{ Square feet per minute}$

5 0

3 years ago