3 years ago

Please help I’ll make you the brainiest

Mathematics

1 answer:

son4ous [18]3 years ago

6 0

Answer:

Step-by-step explanation:

7-3=4

4x4=16

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Three times a number t minus twelve equals forty

tekilochka [14]

3 · t - 12 = 40

3t - 12 = 40 |add 12 to both sides

3t = 52 |divide both sides by 3

t = 52/3

t = 17 1/3

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What is the range of the function f(x) = 4x + 9, given the domain D = {-4, -2, 0, 2}?

Nat2105 [25]

Hello :
f(-4) = 4(-4)+9 = -7
f(-2) = 4(-2)+9 = 1
f(0) = 4(0)+9 = 9
f(2) = 4(2)+9 = 17
the range of the function f(x) = 4x + 9 is : <span>D' = {-7, 1, 9, 17}</span>

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Suppose the number of children in a household has a binomial distribution with parameters n-8 and p-50%. Find the probability of

Goshia [24]

Answer:

Step-by-step explanation:

Given that the number of children in a household has a binomial distribution with parameters n-8 and p-50%

As per binomial definition we have

$P(X=r) = nCr p^r q^{n-r}$

= $8Cr (0.5)^r (0.5)^{n-r} \\=8Cr(0.5)^8$

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