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2 years ago

13

The cost x of the Sennet family’s meal at a restaurant is $172.65, and they tip 20%. Write and use an equation to find the total

cost y of the dinner.

1 answer:

Dmitriy789 [7]2 years ago

8 0

Answer:

the answer would be 196.25

Step-by-step explanation:

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One sample of n = 10 scores has a mean of M = 8, and a second sample of n = 5 scores has a mean of M = 2. If the two samples are

schepotkina [342]

Answer:

The mean for the combined sample = 6.

Step-by-step explanation:

We have been given that one sample of n = 10 scores has a mean of M = 8.

So the sum of 10 scores for 1st sample will be: $10\times 8=80$

We are also told that second sample of n = 5 scores has a mean of M = 2.

So the sum of 5 scores for 2nd sample will be: $5\times 2=10$

When the both samples are combined, so total points will be: $80+10=90$ and total scores will be $10+5=15$ .

$\text {Mean for the combined sample}=\frac{\text{Total points of both data sets}}{\text{Total scores of both data sets}}$

$\text {Mean for the combined sample}=\frac{90}{15}$

$\text {Mean for the combined sample}=6$

Therefore, the mean for the combined sample will be 6.

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3 years ago

Name a pair of perpendicular lines

lesantik [10]

Answer:

90 degree angled lines

Step-by-step explanation:

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3 years ago

A skydiver falls 144 ft in three seconds.how far does the skydiver fall per second

uranmaximum [27]

The skydiver falls 48 ft per second

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Benito runs 1/10 of a mile each day. Which shows how to find the number of days it will take for Benito to run 3/5 of a mile?

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D is most likely right. Basically, I would turn them into decimals and divide using a graphing calculator.

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