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3 years ago

A fair coin is rolled three times. Find the probability of throwing exactly 2 heads.

1 answer:

5 0

50/50 CHANCE.

With a coin that contains two sides the probability of heads and tails is always fifty percent for each side. One hundred divided by two would be 50.

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Rewrite the following expression using base only once 7^6 x 7^8

chubhunter [2.5K]

Answer:

$7^{14}$

Step-by-step explanation:

Using the rule of exponents

$a^{m}$ × $a^{n}$ = $a^{(m+n)}$ , then

$7^{6}$ × $7^{8}$ = $7^{(6+8)}$ = $7^{14}$

3 0

2 years ago

Could someone help me please if you don’t mind thank you so much!

Marina86 [1]

Answer:

m = 11

Step-by-step explanation:

Given

$\frac{2}{5}$ (m + 4) = 6 ← multiply both sides by 5 to clear the fraction

2(m + 4) = 30 ( divide both sides by 2 )

m + 4 = 15 ( subtract 4 from both sides )

m = 11

This method avoids having to deal with awkward fractions

6 0

3 years ago

It is a Saturday morning and Jeremy has discovered he has a leak coming from the water heater in his attic. Since plumbers charg

Jet001 [13]

The answer is
A "For every half an hour there is 1/5 of the bucket is filled" Hope I helped
B: Not sure not very good at equations :(
C: Well there is Half an hour so if you multiply that by 5 then its. 2 1/2 hours :)
Hope I helped

4 0

3 years ago

Read 2 more answers

I need help plzzz 7 + 5p + 4r + 6s

marusya05 [52]

Combine like terms / simplifying: 5p+4r+6s+7

7 0

3 years ago

The question is in the picture :)

Umnica [9.8K]

Answer:

The answer is 10 miles x/ 75= 1 / 7.5 7.5x = 75 x= 10 miles

Step-by-step explanation:

Hope I helped

4 0

3 years ago