3 years ago

Perform the indicated operations, and then answer the question.

Mathematics

2 answers:

marin [14]3 years ago

6 0

Answer:

i pretty sure its C.

Step-by-step explanation:

vazorg [7]3 years ago

4 0

Has to be c bro because 1+1=2

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Jake and amber worm at McDonald's they each earn $8 per hour jake works three more hours then amber if jake and amber made a tot

Nadya [2.5K]

Answer:

9 hours

Step-by-step explanation:

Set up the equations: x is the amount of hours Amber worked and y is the hours Jake worked

8x + 8y = 120

y = 3 + x

Substitute the second equation into the first

8x + 8(3+x) = 120

Distribute

8x + 24 + 8x = 120

Combine like-terms

16x + 24 = 120

Subtract 24 on both sides

16x = 96

Divide 16 on both sides

x = 6 (hours Amber worked)

Plug in this x-value into on of the two equations. I will use the second

y = 3 + 6

y = 9

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3 years ago

4. Solve x -- 7 = 25.<br> A 18<br> B 32

gregori [183]

Answer:

Step-by-step explanation:

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3 years ago

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gavmur [86]

The Standard plate combination is 6.

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3 years ago

Normal distribution HELP

elena-14-01-66 [18.8K]

Answer:

0.0351478382 (To be precise)

Step-by-step explanation: Can I get brainliest? Thanks

1. Normal Distribution --> Z ~ (0,1^2)

2. Use normalcdf(lower bound, upper bound, μ, σ) function on a graphing calculator

P(Z≥103.53) = normalcdf(103.53, 1e99 [default], 80, 13)

P(Z≥103.53) ≈ 0.03

3. μ+σ ≈ 13.59% According to Z-distribution chart

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So about 93 exceed only the top 16% (estimated answer not exact)

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13 plus 5 times a number is no more than 30

omeli [17]

From what I'm reading from this question, there's one answer.

13 + 5 * 1 = 18

Unless maybe I'm missing something?

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4 years ago