2 years ago

What is the value of X?R=120 degreesT=130 degreesX=blank degrees

Mathematics

1 answer:

Ainat [17]2 years ago

4 0

X =blank degrees is the answer

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I really need help A school band ordered hats for $2 and large T-shirts for $5. They bought 100 items in all for $380. Use a gra

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3.8 in all is your answert

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3 years ago

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A baseball has a diameter of 3.7 inches. Find the volume of the baseball. Round the answer to the nearest tenth. Use 3.14 for pi

ExtremeBDS [4]

Answer:

Volume is about 26.5 in^3

Step-by-step explanation:

The volume = 4/3 pi r^3 where r = the radius.

the radius = 1/2 diameter = 1/2 * 3.7 = 1.85 ins.

So V = 4/3 * 3.14 * 1.85^3

= 26.5084

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3 years ago

Find y.<br> 30<br> 20 <br> Need help asap

Neporo4naja [7]

Answer:

y = 10

Step-by-step explanation:

Using the sine ratio in the right triangle and the exact value

sin30° = $\frac{1}{2}$ , then

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y = 10

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3 years ago

For the inverse variation function y = k/x (where x, k > 0), what happens to the value of y as the value of x increases?

Allisa [31]

As the value of x increases, y decreases.

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3 years ago

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Prove each statement that is true and ﬁnd a counterexample for each statement that is false. Assume all sets are subsets of a un

tekilochka [14]

Answer with Step-by-step explanation:

We are given that A, B and C are subsets of universal set U.

We have to prove that

$A\cap (B-C)=(A\cap B)-(A\cap C)$

Proof:

Let x $\in A\cap (B-C)$

Then $x\in A$ and $x\in(B-C)$

When $x\in ( B-C)$ then $x\in B$ but $x\notin C$

Therefore, $x\in( A\cap B)$ but $x\notin (A\cap C)$

Hence, it is true.

Conversely , Let $x\in(A\cap B)$ but $x\notin(A\cap C)$

Then $x\in A$ and $x\in B$

When $x\notin ( A\cap C)$ then $x\notin C$

Therefor, $x\in A\cap (B-C)$

Hence, the statement is true.

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3 years ago