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Anit [1.1K]
3 years ago
7

Simplify 3(x + 4) + 5x. Write your answer in factored form.​

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
7 0

Answer:

8x + 12

Step-by-step explanation:

3(x + 4) + 5x

3x + 12 + 5x

8x + 12

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Solve the system of equations using the substitution method.
Delicious77 [7]

Answer:

x = 14

y = -3

Step-by-step explanation:

Given

2x + 8y =4

x = -3y + 5

Required

Solve

Substitute x = -3y + 5 in 2x + 8y =4

2(-3y + 5) + 8y =4

Open bracket

-6y + 10 + 8y =4

Collect like terms

-6y +  8y =4-10

2y =-6

Divide both sides by 2

y = -3

Substitute y = -3 in x = -3y + 5

x = -3 * -3 + 5

x = 9+ 5

x = 14

8 0
3 years ago
Can some figure this out
NeX [460]
Hello,

As 4²+(5/2)²=22.25=89/4 (Pytagorean theorem)
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8 0
3 years ago
Medical students compared two types of knee surgery to determine if patients were able to return to their active lifestyles. The
sweet [91]

Answer:

Option A

Step-by-step explanation:

The response variable is the dependent variable whose variation depends on other variables and in this case it is the type of surgery either total knee replacement or partial knee replacement.

While the explanatory variable which is the independent variable manipulated by the researcher for the given experimental study is the amount of activity the patients were able to do after their respective surgeries.

5 0
3 years ago
What is the length of the longer leg of the right triangle?
Anvisha [2.4K]

Answer:

8 units

Step-by-step explanation:

The longer leg extends upward from y = -3 to y = 5, so its length is 8 units.

5 0
3 years ago
two person A and B spent a total of pkr 486 .Person A spent twice as much money as person B. How much money did person A spend
Phoenix [80]

9514 1404 393

Answer:

  pkr 324

Step-by-step explanation:

Person A spent 2/3 of the total money spent, so ...

  (2/3)(pkr 486) = pkr 324 . . . spent by person A

8 0
3 years ago
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