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3 years ago

Find the final price of a $149.99 smart watch with 8.5 sales tax

Mathematics

1 answer:

Talja [164]3 years ago

6 0

Answer:

167.64

Step-by-step explanation:

To evaluate the tax add on, divide 149.99 by 8.5 which divided and rounded is 17.65
add 17.65 and 149.99

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Find the surface are of the cylinder in terms of pi

Andrej [43]

Hello!

To find the surface area of a cylinder you use the equation

$SA = 2 \pi rh + 2 \pi r^{2}$

SA is surface area
r is radius
h is height

PUt in the values you know

$SA = 2 \pi (7)(18) + 2 \pi * 7^{2}$

Square the number

$SA = 2 \pi (7)(18) + 2 \pi * 49$

Multiply 7 and 18

$SA = 2 \pi * 126 + 2 \pi * 49$

Multiply 126 by 2

$SA = 252 \pi + 2 \pi * 49$

Multiply the 49 by 2

$SA = 252 \pi + 98 \pi$

Add

$SA = 350 \pi$

The answer is $A)350 \pi cm^{2}$

Hope this helps!

7 0

3 years ago

The Junior Beta club needs to raise $1513.75 to go to a national convention. If they decided to sell candy bars at $1.25 each, h

rusak2 [61]

Answer:

1,211 candy bars.

Step-by-step explanation:

You divide the goal by how much the bars are selling for, or 1513.75/1.25. The answer to this is 1,211 candy bars.

4 0

3 years ago

Read 2 more answers

What is the slope of the line through [-1,2] and [2,-3]

Gennadij [26K]

Answer:

-3/5

Step-by-step explanation:

to figure that out you have to do y^2 - y^1/ x^2 - x^1

2-(-1)/ -3 - 2

= 3/-5

=-3/5

8 0

3 years ago

This is the monthly budget for the Reed family. What percent of the expenses is spent on utilities?

yawa3891 [41]

Divide the amount spent on utilities (285 dollars) over the total expenses (2376 dollars) to get...

285/2376 = 0.1199
which is approximate

Move the decimal over 2 spots to the right to go from 0.1199 to 11.99% which is the final answer (this is approximate as well)

Note: Moving the decimal over 2 spots to the right is the same as multiplying by 100. So that means 0.1199*100% = 11.99%

5 0

3 years ago

Read 2 more answers

A 10-ounce box of cereal sells for $3.30. A larger box advertises, "10% more-free!" and sells for the same price. What is the co

sergij07 [2.7K]

Answer:

30 cents

Step-by-step explanation:

The box would have 11 oz. (10x1.1)

$3.30/11=30cents

7 0

3 years ago