MATHEMATICS HIGH SCHOOL

Mike bought a lunch that cost $9.00. He also paid 5% for sales tax.How much change did he receive from $20.00?

Answers

Answer 1
Answer:

Answer:

$10.55

Step-by-step explanation:

First, add 5% of 9 to nine.

5% of 9 :.45

.45+9=9.45

So, then, subtract 9.45 from 20, which leads to 10.55 as your answer

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The director of marketing at a large company wants to determine if the amount of money spent on internet marketing is a good predictor of company profit. She fits a least-squares regression line to 20 months of data and computes the following regression line:Profit = 372.6 + 17.2(advertising dollars)

What is the value of the residual for advertising dollars spent equal to $1,020 and Profit equal to $17,500? Round to the nearest integer.

Answers

Given:
Profit = 17,500
advertising dollar = 1,020

regression line:

Profit = 372.60 + 17.2(advertising dollar)
17,500 = 372.60 + 17.2(1020)
17,500 = 372.60 + 17,544
17,500 = 17,916.60

There is a residual value of 416.60. 

17,916.60 - 17,500 = 416.60

Round it to nearest tenth 0.73913

Answers

Hi, 
17/23 in decimal form is about 0.73913043478. So if you round it to the nearest thousandth, it will be 0.739. 

Hope this helped, 

Final answer:

Rounding the number 0.73913 to the nearest tenth gives us 0.7. This is determined by the digit in the hundredths place, which in this case is 1, telling us to leave the digit in the tenths place as it is.

Explanation:

To round the number 0.73913 to the nearest tenth, we look at the digit in the hundredths place, which in this case is 1. We can follow a simple rule: if the digit in the hundredths place is 5 or above, we round the digit in the tenths place up. However, if the digit in the hundredths place is 4 or below, we leave the digit in the tenths place as it is. In this case, the digit in the hundredths place is 1, which is less than 5, so we leave the digit in the tenths place as it is. Therefore, when rounded to the nearest tenth, 0.73913 becomes 0.7.

Learn more about Rounding Numbers here:

brainly.com/question/28562556

#SPJ3

Kate wants to have $25,000 in 16 years. How much does she need to invest if the interest rate is 6 percent per year?A.) $10,431.63
B.) $9,841.16
C.) $7,353.88

Answers

Answer:

its b

im on plato and got it right
I'm guessing that its c

A 91 square foot bathroom has a length of 13 feet. what is the width of the bathroom

Answers

91 divided by 13 is 7. if the bathroom is 91 feet square, and the length is 13 feet, then the width is 7 feet

Answer:

Step-by-step explanation:

well just go to brainly my my 67

At a trampoline park jumpers pay a jumping price p per hour and a one time sock fee 8 which expression represent the cost for 5 friends to jump at the trampoline park for 1 hour​

Answers

Y=5p+8
8 is the initial price and p is the price per hour. You don’t know what p is so that is why there is a variable. Hope this helped!

The measurement of one angle of a right triangle is 42°. What is the measurement of the missing angle?

Answers

All triangles have 3 angles that add up to 180 degrees.
All right angle triangles have a 90 degree angle.
You have two angles, 90 and 42.
To find the last one, add 90 and 42. Then subtract that from 180 degrees.

90+42=132
180-132=48

        Therefore, the missing angle is 48 degrees.

Answer:

48°

Explanation:

42 + 90 = 132

because all triangle angles add up to 180°, then:

180 - 132 = 48°
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