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3 years ago

10

The probability that Ashley wins a race against Madelyn is 25%. What is the probability that Ashley wind exactly three of the ne

xt five races against Madelyn

1 answer:

aliya0001 [1]3 years ago

5 0

Answer:

45/512

Step-by-step explanation:

5C3(0.25³)(0.75²) = 45/512

0.0879 (3 sf)

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2 years ago

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X+413=−256 <br> What is the value of X?

Phantasy [73]

Answer:

-669

Step-by-step explanation:

Convert -256 to 256

Addition -> 413+256=

669

Convert 669 to -669

X=-669

Double Check:

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How many gallons of paint would you need to paint a dog house that is 372ft in total?

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3 years ago

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What is the answer -.6x+ .9= 1x+2.4

Mariulka [41]

Answer:

X=-0.9375 or -15/16

Step-by-step explanation:

-0.6+0.9=x+2.4

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4 0

2 years ago

I need help ASAP!!

Viktor [21]

Answer:

$\frac{64}{49}$

Step-by-step explanation:

As we can see the given expression as three complex parts and all are being multiplied.

Lets simplify each part separately and then multiply all of them in the end

Part1

$(\frac{8.4.2}{8.7})^{2}$

Cancelling 8 in numerator with 8 in denominator

$(\frac{4.2}{7})^{2}$

$(\frac{8}{7})^{2}$

$\frac{64}{49}$

Part2

$(\frac{8^{0} }{7^{-3} })^{3}$

simpliying

$(\frac{1}{7^{-3} })^{3}$

$({7^{3} })^{3}$

$7^{9}$

Part3

Third part is $7^{-9}$ , and it does not need to be further simplified

Now multiplying all the three parts

$\frac{64}{49}.7^{9}.7^{-9}$

$\frac{64}{49}.7^{9-9}$

$\frac{64}{49}.7^{0}$

$\frac{64}{49}.1$

$\frac{64}{49}$

So our final answer is $\frac{64}{49}$

5 0

3 years ago