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3 years ago

HELP I NEED HELP ASAP

Mathematics

2 answers:

AlexFokin [52]3 years ago

8 0

The answer is D your welcome

Julli [10]3 years ago

5 0

Answer:

No spam no help

Step-by-step explanation:

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A number cube is rolled two times. What is the probability that the sum of two numbers will be 9?

harina [27]

Total number of possible outcomes = 36
Total number of outcomes with sum 9 = 4
{3, 6} (4, 5) {5, 4} (6, 3}

P(Sum = 9) = 4/36 = 1/9

Answer: 1/9

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3 years ago

Which is expression is equivalent to 7(x+4)

Pepsi [2]

Answer:7x+28

Step-by-step explanation:

7×x = 7x

7×4 = 28

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3 years ago

248.92 x 10 to 4th power

Karo-lina-s [1.5K]

Answer:

2489200

Step-by-step explanation:

First you have 248.92. You also have 10^4

Your equation should look like 248.92 * 10^4

Calculate using a calculator and you should arrive at the answer 2,489,200.

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3 years ago

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The height of a cylinder is twice the radius of its base.

Ber [7]

Let x represent radius of circle.

We have been given that the height of a cylinder is twice the radius of its base. So height of cylinder would be $2x$ .

Now we will use volume of cylinder formula to our given problem.

$V=\pi r^2h$ , where,

r = Radius of base of cylinder,

h = Height of cylinder.

Upon substituting our given values, we will get:

$V=\pi\cdot x^2\cdot 2x$

$V=2x^3\pi$

Therefore, our required volume expression would be $2x^3\pi$ .

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3 years ago

Find the value of Z for the triangles

kolbaska11 [484]

Answer:

z = 17.5

Step-by-step explanation:

segment RX is an angle bisector and divides the opposite side into segments that are proportional to the other 2 sides, that is

$\frac{RS}{RT}$ = $\frac{SX}{TX}$ , substitute values

$\frac{15}{z}$ = $\frac{6}{7}$ ( cross- multiply )

6z = 105 ( divide both sides by 6 )

z = 17.5

4 0

3 years ago