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Bezzdna [24]
2 years ago
7

Parallelogram PQRS has diagonals PR and SQ that intersect at T. QT =21 and TR =13. Find the length of QS

Mathematics
1 answer:
lesya692 [45]2 years ago
3 0

Answer:

Just did this quick check the answer was a.) 42

Step-by-step explanation:

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A light bulb consumes 1440 watt hours per day. How many watt hours does it consume in 3 days and 12 hours?
Mama L [17]

Answer:

5040 watts i think

Step-by-step explanation:

1440 X 3  = 4320        24 / 12 = 2

1440 /  2 = 720

4320 + 720 = 5040

5 0
3 years ago
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the half-life of radium-226 is about 1,590 years. How much of a 100mg sample will be left in 500 years
Vedmedyk [2.9K]

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6 0
2 years ago
2. f(x)=4x+1 and ​g(x)=x2−4x−5​, find ​(g◦​f)(4​).
Goryan [66]

Answer:

(g · f)(4) = 45

Step-by-step explanation:

f(x)=4x+1

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(g · f)(4) = 4(4² - 5) + 1

Following pemdas

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8 0
1 year ago
Please help, I really need help<br> Will mark as brainliest....
spayn [35]

Answer:

Step-by-step explanation:

A quarter circle is one fourth of a circle. To find the area of a quarter circle, find the area of the whole circle by using the formula A = pi * r^2 and then divide by 4. To find the perimeter of the quarter circle, find the circumference of the whole circle, divide by 4, and then add the radius twice.

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Step-by-step explanation:

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