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Allisa [31]
2 years ago
7

I WILL MARK BRAINLIEST Twelve is added to a number and then the sum is multiplied by 4/5 to give 23.6. What is the number?

Mathematics
1 answer:
Aliun [14]2 years ago
7 0

Answer: 17.5 or 35/2

Step-by-step explanation:

(If you change 4/5 to a decimal, it makes this easier. 4/5 would be 0.8.)

23.6 = (12 + x)*0.8

23.6 = 9.6 + 0.8x

14 = 0.8x

17.5 = x

17.5 as an improper fraction would be 35/2.

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givi [52]

Answer:

y= 1/2x-3

Step-by-step explanation:

2y - x = 8

First find the slope

2y = x+8

Divide by 2

2y/2 = x/2 +8/2

y = 1/2 x +4

The slope is 1/2  ( y=mx+b where m is the slope and b is the y intercept)

When lines are parallel they have the same slope)

Using y = mx+b

y =1/2x+b

Substituting the point (4,-1) into the equation

-1 =1/2(4)+b

-1 = 2+b

-3 =b

The equation of the line is

y= 1/2x-3

4 0
3 years ago
How would you use estimation to evaluate this expression 10.2 x [(2x3.7)+8]
Goryan [66]
Round off the decimals to a sensible number. So 3.7 would be 4 and 10.2 would be 10. In this case, it would be (2 × 4 + 8) × 10 which is 160.
6 0
3 years ago
Betty is 5 more than jaydens age. Betty is 41 years old. Write an equation to find jaydens age,×
Brilliant_brown [7]

Answer:

the answer is 36 years old

Step-by-step explanation:

first you would put them in an equation like this... 41-5

then you would subtract them and get 36 years old

7 0
3 years ago
Read 2 more answers
Liability that arises from not maintaining a building is referred to as a) medical foundation liability. b) premises liability.
Sauron [17]

Answer:

opt. B

Step-by-step explanation:

8 0
3 years ago
Find the requested information based on the given facts. The number of transactions is 175. The fee per transaction is $2.75. De
tino4ka555 [31]

Answer:

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Step-by-step explanation:

The number of transactions is 175.

The fee per transaction is $2.75.

The total fees is calculated as:

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$481.25

6 0
3 years ago
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