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poizon [28]
3 years ago
11

Please help me with this, ASAP. Please and thank you! D:

Mathematics
1 answer:
creativ13 [48]3 years ago
8 0
Please help me with math if you can
If your able to of course
Help mr///////)()&&)&!!,;$?&&,;)$,५$,(७,
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In the figure, find m∠RST if m∠RSU = 81° and m∠UST = 18°. Answers : A) 109° B) 81° C) 99° D) 63°
ohaa [14]
C because you add the angles together
6 0
3 years ago
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What is the length of AB please don’t do it for fun just try to do it for me hurry?
Lerok [7]

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6 0
2 years ago
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Please help me with this:(
dolphi86 [110]

Answer:

Y = 32.7°

Step-by-step explanation:

We will apply the Cosine law in the given triangle XYZ,

x = 90 ft

y = 55 ft

z = 50 ft

We have to find the measure of angle Y.

y² = x² + z² - 2xzCosY

(55)² = (90)² + (50)² - 2(90)(50)cosY

3025 = 8100 + 2500 - 9000.cosY

9000.cosY = 10600 - 3025

cosY = \frac{7575}{9000}

        = 0.84167

Y = \text{cos}^{-1}(0.84167)

Y = 32.68 ≈ 32.7°

Therefore, measure of angle Y = 32.7°

5 0
3 years ago
20.) Using the cross multiplication method, which of the following is the solution to 18/6x = 4/(x+3)?
Likurg_2 [28]

Answer:

B. 9

Step-by-step explanation:

7 0
2 years ago
There are 5 chemistry, 6 physics, and 7 math teachers in a school. if 3 teachers are selected randomly, find the probability tha
mrs_skeptik [129]
77.2%

To find the probably and at least on you must find the probability of none and subtract from one.

The probability of none can be found like so:

(5+6 over 5+6+7)^3 = .228

1 - .228 = .772

Hope this helps!
6 0
3 years ago
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