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Nostrana [21]
3 years ago
13

In ΔVWX, the measure of ∠X=90°, XW = 20, WV = 29, and VX = 21. What ratio represents the cosine of ∠W?

Mathematics
1 answer:
zhuklara [117]3 years ago
4 0
20/29

That would be the answer
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Find the value of Y​
Anna35 [415]

Answer:

y=19

Step-by-step explanation:

2y + 2 = 180 - 120 -20

2y = 40 - 2

2y = 38

y=19

7 0
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Which of the following statements about the volume of a sphere and the volume of a cone are true? Select two answers.
Tanzania [10]
B would be the answer to your question
4 0
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The sum of two consecutive integers is 131. What are the integers?
Dahasolnce [82]
X, x+1
x+x+1=131
2x+1=131
2x=131-1=130
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3 0
3 years ago
a bottle contains 12 red marbles and 8 blue marbles. A marble is chosen at random and not replaced. Then a second marble is chos
patriot [66]
P(A)= \frac{12}{20} \cdot \frac{8}{19} + \frac{8}{20} \cdot \frac{12}{19}= \frac{12\cdot8}{20\cdot19} \cdot2=\frac{12\cdot4}{5\cdot19}= \frac{48}{95}

5 0
3 years ago
A soundproofing tile is made of 8 identical solid right pyramids with square bases. The length of the whole tile shown is x inch
mylen [45]

Answer:

Option B ⇒ Area of base of each pyramid :

(\frac{x}{4})^2 in^2

Option A ⇒ Volume of pyramid :

\frac{1}{3} x^{2} \cdot y   cm3

Step-by-step explanation:

One side of tile consists of 4 pyramids and since length of whole tile is x,

So, the base length of each pyramid = \frac{x}{4}

⇒ Area of base of each pyramid = side²

⇒ Area =

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Volume of square based pyramid :

=(Area of base )\cdot \frac{h}{3}\\=\frac{x^2}{3} cm^3

For 1. The correct Option is B

For 2. The correct option is A

7 0
3 years ago
Read 2 more answers
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