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timurjin [86]
3 years ago
15

In ΔQRS, q = 960 cm, r = 420 cm and ∠S=31°. Find the area of ΔQRS, to the nearest square centimeter.

Mathematics
1 answer:
Hitman42 [59]3 years ago
7 0

Answer: 103832

Step-by-step explanation:

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A pumpkin is launched directly upwards at 72 feet per second from a platform 12 feet high. The pumpkin's height, h, at time t se
Illusion [34]

Answer:

93 feet

Step-by-step explanation:

Let us first find the time it takes to reach the maximum height. We can do this by differentiating the height function to get velocity:

dh(t)/dt = v(t) = -32t + 72

The maximum height will occur when the velocity becomes 0. Therefore, the time it takes to reach maximum height is:

0 = -32t + 72

32t = 72

t = 72/32 = 2.25 seconds

Therefore, the maximum height of the pumpkin is:

h(2.25) = -16(2.25)^2 + 72(2.25) + 12

h(2.25) = -81 + 162 + 12

h = 93 feet

4 0
3 years ago
Solve for x<br> 1 7 1<br> 2<br> х<br> Your answer
ki77a [65]

Answer:

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Step-by-step explanation:

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-2 + 9 = 7 so now its 3x - 5 = 7

add 5 to the -5 so it cancels itself out. then add the 5 to 7 so it become 12. the you have 3x = 12

divide 12 ÷ 3 = 4

x = 4

8 0
2 years ago
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A rock climber ascends 18 3/4 feet to the top of a rock ledge the climber descends 8 1/8
ratelena [41]

Answer:

10 10\frac{5}{8}

Step-by-step

Reduce \frac{3}{4} to \frac{6}{8} and simply subtract.

5 0
2 years ago
A tour bus costs $75 plus $6 for each passenger.
Anna007 [38]
The answer is $12.05
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3 years ago
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miv72 [106K]
Let angle = x

sinx = 43.2/72.5

=> x = 36.57 degrees
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3 years ago
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