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Elis [28]
3 years ago
11

Simplify 8x + 7 – 2x – 4 completely.

Mathematics
2 answers:
harkovskaia [24]3 years ago
6 0

Answer:

6x+3

Step-by-step explanation:

8x +7 - 2x - 4​

8x-2x+7-4 ( combine like terms)

answer:

6x+3

Reminder:Whenever combining like terms, the sign changes the same

Hope this helps and make sure to thank me!

S_A_V [24]3 years ago
6 0

Answer:

6x + 3

Step-by-step explanation:

8x + 7 -2x - 4

8x +3 -2x

6x+3

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Shen borrowed $8000 at a rate of 12%, compounded semiannually. Assuming he makes no payments, how much will he owe after 7 years
Alexandra [31]

Answer:

$18,087.23

Step-by-step explanation:

The future worth of the loan in 7 years compounded semiannually is computed as shown below using the future value formula adjusted for semiannual compounding:

FV=PV*(1+r/2)^n*2

FV is the worth of the loan in 7 years which is unknown

PV is the actual amount of loan which is $8,000

r is the rate of interest of 12%

n is the number of years of the loan which is 7 years

the 2 is to show that interest is computed twice a year

FV=8000*(1+12%/2)^7*2

FV=8000*(1+6%)^14

FV=8000*1.06^14=$18,087.23  

4 0
3 years ago
Sorry for the quality but please help?!?!
gogolik [260]

Answer:

3/4

Step-by-step explanation:

28 total but 12 are boys so girls = 28 - 12 = 16

Ratio of boys to girls

= 12/16

= 3/4

6 0
3 years ago
Three subtracted by a square of a number
Svetradugi [14.3K]

Answer:

3-x^2

Step-by-step explanation:

Let x be the number

The square is x^2

3 subtract the square of a number

3-x^2

8 0
3 years ago
The balance of an investment account is $308.32
Nady [450]

The balance was $4400.25 before 4 years.

<h3>What is an Equation?</h3>

An equation is a mathematical statement formed when two expressions are equated using an equal sign.

The equations are useful in the determination of unknown parameters.

The equations are of various types, such as Trigonometric equations, and quadratic equations.

The balance of an investment account is $308.32

Let the balance 4 years ago was $x

Then the balance today is represented by x + 308.32

The current balance is $4708.57

The expressions can be equated to get the value of the balance 4 years ago.

x + 308.32 = 4708.57

x = 4708.57 - 308.32

x = $4400.25

The balance 4 years ago was $4400.25

To know more about Equation

brainly.com/question/10413253

#SPJ1

4 0
2 years ago
Before deciding whether to fly or drive, the family decided to estimate a budget of $1,400 for airfare. One airline has
vovikov84 [41]

325

I hope that helps

7 0
2 years ago
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