3 years ago

Write and solve an equation for the following situation:

Mathematics

1 answer:

Andrei [34K]3 years ago

5 0

Answer:

3 miles

Step-by-step explanation:

4+6x=22

6x=18

x=3

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Which of the following is equal to (2x/5-9)+9 A. 2x/5 B. 5x/2 C. 2x-45/5 D. (2x-9)+45

Verdich [7]

$\ddots$ $(2* \dfrac{x}{5}-9)+9$ $\text{Equation}$

$\ddots$ $\dfrac{2x}{5}-9+9$ $\text{Simplify}$

$\ddots$ $\dfrac{2x}{5}$ $\text{Solution}$

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3 years ago

According to the general equation for conditional probability, if P(An B)=4/7 and P(B)= 7/8, what is P(A|B)

uranmaximum [27]

The rule for conditional probability states that

$P(A|B) = \dfrac{P(A\cap B)}{P(B)}$

Since we're given both numerator and denominator, we only need to plug the values in:

$P(A|B) = \dfrac{\frac{4}{7}}{\frac{7}{8}} = \dfrac{4}{7}\cdot \dfrac{8}{7} = \dfrac{32}{49}$

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4 years ago

4 = 0.25(w - 4.3)<br> Help please?

zepelin [54]

I assume you want to find the value of w
The first thing we will do is divide both sides by 0.25
4/0.25 = 0.25(w - 4.3)/0.25
The two 0.25s cancel each other. 4/0.25 = 16
16 = w - 4.3
Now we add 4.3 to both sides
16 + 4.3 = w - 4.3 + 4.3
The two 4.3s cancel each other 16 + 4.3 = 20.3
20.3 = w
w = 20.3

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4 years ago

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Need help with this

nikitadnepr [17]

Answer:

Step-by-step explanation:

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Fudgin [204]

Answer:

1071.61

Step-by-step explanation:

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