3 years ago

Please help ? Question 27 and question 28

Mathematics

1 answer:

ozzi3 years ago

4 0

Answer:

Rhe first question answer is and the second question answer is c

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What is the probability of flipping a coin four times, with the coin landing on heads all four times and rolling a 1, 2, or 4 on

scoray [572]

The probability of getting heads at least once = 1 - the probability of getting tails all 4 times.
<span>Ans = 1 - (1/2)(1/2)(1/2)(1/2) = 1 - (1/16) = 15/16</span>

3 0

3 years ago

Subtract.<br> (6-v-25) - (7+-4)

dmitriy555 [2]

Answer:

$\left(6-v-25\right)-\left(7+\left(-4\right)\right)=-v-22$

Step-by-step explanation:

Considering the expression

$\left(6-v-25\right)\:-\:\left(7+-4\right)$

$\left(6-v-25\right)-\left(7+\left(-4\right)\right)$

$\mathrm{Remove\:parentheses}:\quad \left(a\right)=a$

$6-v-25-\left(7-4\right)$

$\mathrm{Subtract\:the\:numbers:}\:7-4=3$

$6-v-25-3$

$\mathrm{Group\:like\:terms}$

$-v+6-25-3$

$\mathrm{Add/Subtract\:the\:numbers:}\:6-25-3=-22$

$-v-22$

Therefore,

$\left(6-v-25\right)-\left(7+\left(-4\right)\right)=-v-22$

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3 years ago

8w-8= - 4w + 16 answers please

Andrew [12]

Answer:

Step-by-step explanation:

8w-8=-4w+16

8w-(-4w)-8=16

8w+4w=16+8

12w=24

w=24/12

w=2

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2 years ago

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Question:
How many square inches are in 60 square feet?

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1/2+3/5 for math and idk what it is

Vlad1618 [11]

The answer is 11/10 or 1 and 1/10

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