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3 years ago

8

Elizabeth has two identical number cubes. Both cubes have faces numbered 1 thourgh 6. if Elizabeth rolls each cube once, what is

the probability that the sum of the two numbers on the top faces will be 10.

1 answer:

n200080 [17]3 years ago

7 0

I believe the answer is 4 out of 12.

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Factor completely 5x^2 + 20x

murzikaleks [220]

Answer: 5x(x + 4)

hope i helped

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3 years ago

Read 2 more answers

A. Find the mean median and mode of the data.

IrinaK [193]

26 26 29 30 31 33 33 33 34 34 70

A.
Mean:30.9
Add all numbers up and divide by however many there are.
Median:32
Number in the middle spot
Mode:33
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B.
Mean:34.45
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Mode:33

4 0

3 years ago

(a+4)² - 3²<br> Factored out

uranmaximum [27]

Answer:

$a = - 7$

$a = - 1$

Step-by-step explanation:

$(a+4) {}^{2} - 3 {}^{2} \\ a {}^{2} + 8a + 16 - 9 \\ a {}^{2} + 8a + 7 \\ a {}^{2} + a + 7a + 7 \\ a(a + 1) + 7(a + 1) \\ (a + 7)(a + 1) \\ a + 7 = 0 \: \: \: \: or \: \: \: \: a + 1 = 0 \\ a = - 7 \: \: \: \: \: \: \: \: or \: \: \: a = - 1$

8 0

3 years ago

Fill in the blanks in questions 8 through 10.

SVEN [57.7K]

Answer:

45

Step-by-step explanation:

1 minute = 8 revolutions

x minutes= 360 revolutions

Divide 360 by 8

45

The wheel will make 360 revolutions in 45 minutes

Check your work:

If 45 minutes = 360 revolutions, and the wheel revolves 8 times per 1 minute, 8 revolutions x 45 minutes should equal 360 revolutions.

(it does)

6 0

2 years ago

Helpppppp!!! Much needed

Sonbull [250]

29 + (-37) = 29 - 37
answer is C. 29 - 37

5 0

3 years ago