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Nitella [24]
3 years ago
6

You bought items at Best Buy that rang up $143.75. You have a 30% discount and have to pay 9.5% sales tax.

Mathematics
2 answers:
Lena [83]3 years ago
5 0

Answer:

Around $110

Step-by-step explanation:

30% discount means 70% is to be paid

70/100 × 143.75

100.625

9.5% means 109.5% of 100.625 to be paid

109.5/100 × 100.625

= 110.184375

Around $110

Mandarinka [93]3 years ago
3 0

Answer:

$92.33

Step-by-step explanation:

You take 143.75 and multiply by .3 to find the amount you will discount from 145.75, to get 102.025. Then multiply that by .095 to get 9.692375. Subtract that from 102.025 to get 92.33.

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What is 36 percent of 210?
ohaa [14]

Hey there!

Let's start by finding what 1% of 210 is.

This can be done by dividing 210 by 100, since 1% is the same as 1/100 of something.

210 ÷ 100 = 2.1

To find 36%, we can multiply 2.1 by 36.

2.1 x 36 = 75.6

So, 36% of 201 is 75.6.

Hope this helps!

4 0
3 years ago
Describe two methods for converting a mixed number to a decimal
uysha [10]
R example: 6 1/2 = 13/2 = 6.5

For the first example, six and a half is equal to thirteen halves, which is then equal to six point five. To do this, the rule to turn a mix number into a fraction is by multiplying the 2 with the 6 and then add the answer to 1, which gives 13/2 (Remember to always give the same denominator). Finally, thirteenth halves is equal to six point five (because when you divide 13 by 2, you get 6 and one left over. To continue dividing, add a 0 , and so 10 goes into 2 is five. so the decimal is 6.5

4 0
4 years ago
I need help I have this problem and I think it either has to be simplified or turned into a fraction but I’m really sure it’s si
Olenka [21]
What are you specifially looking for? simplified it would be 10 and as a fraction 10 over 1
6 0
3 years ago
A spheres radius is multiplied by 2. How is it’s surface area affected
dexar [7]

Answer:

The surface area is multiplied by 3.

Step-by-step explanation:

If r is the radius of a sphere its surface area = 4(pi)r^2. If the radius is doubled then its surface area = 4(pi)(2r)^2 = 4*4(pi)r^2. So the surface area becomes 4-fold or the increase in surface area is 300%.

3 0
3 years ago
Given the piecewise function shown, find the value of h(–6). A) 1 B) 26 C) -23 D) -6
kirza4 [7]

Answer:

-22

Step-by-step explanation:

Which part of the function is valid when x = -6

The first part

h(-6) = 4x+2 and let x = -6

        =4(-6) +2

        = -24 +2

         =-22

5 0
3 years ago
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