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NISA [10]
2 years ago
13

John bought new headphones originally listed for $ 80.99 . They are \(35\%)| off. Which equation can be used to find the amount

John will save?
Mathematics
1 answer:
Katarina [22]2 years ago
7 0

Answer:

$28.35

Step-by-step explanation:

The headphones are $80.99 and are 35% off. To find the amount he will save, change the 35% to a decimal by moving it two times to the left, which is 0.35. Multiply 80.99 and 0.35 to get 28.3465. Round to get $28.35.

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What is the area of a circle with a diameter of 12.6 in.?
Zepler [3.9K]

Hey there! I'm happy to help!

To find the area of a circle, you square the radius and then multiply by pi (3.14 in our case).

The radius is half of the diameter.

12.6/2=6.3

We square this.

6.3²=39.69

We multiply by 3.14

39.69×3.14=124.6266

We round to the nearest hundredth, giving us an area of 124.63 in².

Now you can find the area of a circle! Have a wonderful day! :D

5 0
3 years ago
What is the solution for the equation?<br> a+8/3=2/3
Readme [11.4K]
A+8/3 = 2/3
Or, (3a+8)/3 = 2/3 [taking LCM]
Or, 3a+8 = 2 [3 in both denominators are cancelled]
Or, 3a = 2-8
Or, a = -6/3
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3 0
3 years ago
7 + 8(3² -2)<br> PLEASE SHOW ALL THE STEPS!
IrinaK [193]

Answer

105

Step-by-step explanation:

first bring 3 to the second power and get 9

then you have 7+8(9-2)

then add 7+8 and get 15

then you have 15(9-2)

then subtract 9-2 and get 7

then you have 15(7)

then times them and get 105



4 0
3 years ago
How do you write 72% as a fraction and as a decimal?
statuscvo [17]
72% as a decimal is 0.72.

72% as a fraction is 72/100 = 18/25.
8 0
3 years ago
Read 2 more answers
Solve for s.<br> 0.5s +1= 7+ 4.58<br> S =?
Lana71 [14]

Answer:

s = 21.16

Step-by-step explanation:

0.5s +1= 7+ 4.58

Combine like terms

0.5s +1=11.58

Subtract 1 from each side

0.5s +1-1= 11.58-1

.5s = 10.58

Multiply by 2

.5s *2 = 10.58*2

s = 21.16

4 0
2 years ago
Read 2 more answers
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