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Amiraneli [1.4K]
3 years ago
8

Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah, a total

of 8 people took the trip. She was able to purchase coach tickets for ​$300 and first-class tickets for ​$1060. She used her total budget for airfare for the​ trip, which was ​$6960. How many first-class tickets did she​ buy?
How many coach tickets did she​ buy?
number of first-class tickets bought nothing number of coach tickets bought nothing
Mathematics
1 answer:
andre [41]3 years ago
7 0

Answer:

She bought 6 first class tickets and 1 coach ticket

Step-by-step explanation:

1060(6)= 6360 and 6960-6360=300 and 300 is the price for a coach ticket.

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Step-by-step explanation:

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Consider the rule y = 5x + 7.
maksim [4K]

Answer:

see below

Step-by-step explanation:

Consider the rule y = 5x + 7.

a. How many tiles are in Figure 0?

In figure 0, we let x=0

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b. Which figure has 37 tiles?

This means y = 37

37 = 5x+7

Subtract 7 from each side

37-7 = 5x+7-7

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Divide by 5

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Figure 6 has 37 tiles

c. In the equation y = mx + b, what do the letters m and b represent?

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Nataly_w [17]

Answer:

Tangent line states that a line in the plane of a circle that intersect the circle in exactly one point.

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Therefore:

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A commonly used IQ test is scaled to have a mean of 100 and a standard deviation 15. A school counselor was curious about the av
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Answer: (103.74,112.06)

Step-by-step explanation:

The confidence interval for population mean is given by :_

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Critical value : z_{\alpha/2}=1.96

Then the 95% confidence interval for the student IQ in the school will be :-

107.9\pm (1.96)\dfrac{15}{\sqrt{50}}\\\\\approx107.9\pm0.075\\\\=(107.9-4.16,107.9+4.16)=(103.74,112.06)

Hence, the 95% confidence interval for the student IQ in the school= (103.74,112.06)

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