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Rashid [163]
3 years ago
14

If he = 7x -27 find the value of x

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
5 0

\\ \sf\longmapsto 7x-27=1

\\ \sf\longmapsto 7x=1+27

\\ \sf\longmapsto 7x=28

\\ \sf\longmapsto x=\dfrac{28}{7}

\\ \sf\longmapsto x=4

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What is 3 x 3 x 3 x 3 x 3 as an exponent
PilotLPTM [1.2K]
What is 3 x 3 x 3 x 3 x 3 as an exponent?

a^b
a = base
b = to the power
a to the power of b

3 will be the base.
How many times does 3 multiply to itself?
<span>3 x 3 x 3 x 3 x 3
5 times. 
The power will be 5.
</span>3^5
<span>and this can be said as Three to the power of five.

</span>3^5 = <span>3 x 3 x 3 x 3 x 3 = 243
</span><span>3^5 = 243</span>
8 0
3 years ago
Read 2 more answers
Complete the​ table, for the following​ investments, which shows the performance​ (interest and​ balance) over a​ 5-year period.
sergiy2304 [10]

Answer:

After 5 years of investment, Suzanne will have $ 4,400 in her account, while Derek will have $ 4,416.32 in his account.

Step-by-step explanation:

Since Suzanne deposits $ 4000 in an account that earns simple interest at an annual rate of 2%, and Derek deposits $ 4000 in an account that earns compound interest at an annual rate of 2% and is compounded annually., Both for a period of 5 years, to determine how much money each one will have in their account after 5 years, the following calculation must be made:

Suzanne:

((4,000 x 0.02) x 5) + 4,000 = X

(80 x 5) + 4,000 = X

400 + 4,000 = X

4,400 = X

Derek:

4,000 x (1 + 0.02 / 1) ^ 5x1 = X

4,000 x 1.02 ^ 5 = X

4,416.32 = X

Thus, after 5 years of investment, Suzanne will have $ 4,400 in her account, while Derek will have $ 4,416.32 in her account.

5 0
3 years ago
Evaluate. 2 (14–32 +1) 1:3.-​
Nikitich [7]

Answer:

432

Step-by-step explanation:

3 0
3 years ago
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9.Calculate the area of a rectangle that measures 24 ft. by 15 ft. Be sure to express your answer in square units.
Artemon [7]
C. 300 ft.2 and <span>d. 81π in.3</span>
8 0
3 years ago
PLEASE IM BEGGING YOU HELP ME! ITS DUE SOON PLEASE ACTUALLY SHOW YOUR WORK :(( SOMEONE PLEASE OMG HELP NO ONES HELPING ME UGHHHH
anyanavicka [17]

Answer:

x=0, y=-12

Step-by-step explanation:

you can use substitution to solve for x

-3(x-12)=2x+36

-3x+36=2x+36

subtract 36 from both sides and add 3x to both sides

0=5x

x=0

now plug in 0 as x for either equation

y=0-12

y=-12

to check your work plug in x and y into the other equation

-3(-12)=2(0)+36

36=36

3 0
3 years ago
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