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kherson [118]
3 years ago
12

Evaluate -4w-3z when w= 5.6 and z = -2.9

Mathematics
1 answer:
solmaris [256]3 years ago
4 0
Step by step

Step 1 - -4(5.6)-3(-2.9) {multiply the numbers}. -> -22.4 + 8.7

Step 2 - -22.4 + 8.7 {calculate the sum}
-> -13.7
So the answer is -13.7

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A bag contains 42 red marbles, 6 white marbles, and 8 gray marbles. You randomly pick out a marble, record its color, and put it
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For any single draw,

\mathbb P(\text{white})=\dfrac6{42+6+8}=\dfrac6{56}
\mathbb P(\text{gray})=\dfrac8{42+6+8}=\dfrac8{56}

Drawing a white marble or a gray marble are disjoint events; only one of them can happen. So

\mathbb P(\text{white or gray})=\mathbb P(\text{white})+\mathbb P(\text{gray})-\underbrace{\mathbb P(\text{white and gray})}_0
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Out of 224 draws, you should expect \dfrac{14}{56}\times224=56 of the marbles to be either white or gray.
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4 years ago
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Step-by-step explanation:

180 = 7x +2  + 7x + 2  + 180 - (17x -23)

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What is the area of this face?
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Answer:

Total amount paid to staff = $250

Step-by-step explanation:

Given:

Weekly payment = $200

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Total amount paid to staff = $250

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