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Oksanka [162]
3 years ago
5

Select all equations that have the solution x = 7. 3(x - 5) = 1 + 5(x - 6) 2(x + 7) = 28 6(2x - 1) - 12 = -2(x + 10) 60 = 4(x +

8) please i need help
Mathematics
1 answer:
Paha777 [63]3 years ago
5 0

Answer: 2(x+7) , 60=4(x+8), and 3(x-5)=1+5(x+6)

Step-by-step explanation:

Just simplify all the equations and you get 7 for those 3

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Yes if x=5 then 4(5)= 20 and 15+5=20
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3 years ago
Hw help ASAP PLZZZZZZ
Pachacha [2.7K]

Answer:

Your answer is C. X = 29/8c

Step-by-step explanation:

2/3(cx + 1/2) - 1/4 = 5/2

2cx/3+1/3-1/4=5/2

2cx3+1/12=5/2

2cx/3=5/2-1/12

2cx/3=29/12

(3)2cx/3=29/12(3)

2cx= 31/4

(2c)2cx=29/4(2c)

X=29/8c

Your answer is C. X = 29/8c

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2 years ago
Which measure of center best represents each set of data?
brilliants [131]
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3 years ago
PLEASE HELP
katovenus [111]

<u>Answer:</u>

$593.26

<u>Step-by-step explanation:</u>

We know that the price of the laptop is $2500 and each year its resale value decreases by 25%. It means that 100 - 25 = 75% of the value is retained every year for the resale.

So, the resale value for 1st year = \frac{75}{100} *2500 = $1875

for 2nd year =  \frac{75}{100} *1875 = $1406.25

for 3rd year =  \frac{75}{100} *1406.25 = $1054.7

for 4th year =  \frac{75}{100} *1054.7 = $791.01

for 5th year =  \frac{75}{100} *791.01 = $593.25

Or we can use the following formula to find its resale value after 5 years:

2500*(0.75)^5 = $593.26

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