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labwork [276]
2 years ago
11

Represent the following sentence as an algebraic expression, where "a number" is the letter x. You do not need to simplify.

Mathematics
1 answer:
My name is Ann [436]2 years ago
4 0
<h3>Answer:  (2x)^3</h3>

Work Shown:

x = some unknown number

2x = twice the number

(2x)^3 = cubing the previous result

If you want to simplify this expression, then you would get 8x^3 since 2^3 = 8.

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Find the correct product. (n+7)^2
Ostrovityanka [42]

=n2+14n+49 is the answer you are looking for i do believe.

6 0
3 years ago
Slope =-1, y-intercept = 3
ss7ja [257]

If you are looking for the equation, then it would be y = -x+3

This is the same as y = -1x+3 which is in slope intercept form y = mx+b

m = -1 = slope

b = 3 = y intercept

If you want to graph this, then plot the points (0,3) and (1,2). Then draw a straight line through them both. Extend the line in both directions as much as possible.

7 0
2 years ago
Read 2 more answers
X+7+3x+5=180 bro help
KATRIN_1 [288]

Answer:

x = 42

Step-by-step explanation:

Collect like terms (all x together and constants together)

4x + 12 = 180

4x = 180 - 12

4x = 168

x = 168 / 4

x = 42

4 0
3 years ago
Read 2 more answers
Mark borrowed $5,500 at 11.5 percent for five years. What is his monthly payment?
olya-2409 [2.1K]
Use the formula of the present value of an annuity ordinary which is
Pv=pmt [(1-(1+r/k)^(-kn))÷(r/k)]
Pv present value 5500
PMT monthly payment?
R interest rate 0.115
K compounded monthly 12
N time 5years
Solve the formula for PMT
PMT=Pv÷ [(1-(1+r/k)^(-kn))÷(r/k)]
PMT=5,500÷((1−(1+0.115÷12)^(
−12×5))÷(0.115÷12))
=120.95

So the answer is C

Hope it helps!
5 0
3 years ago
Read 2 more answers
Find the sum. Write your answer in simplest form.<br> 4<br> - 100<br> +<br> 8<br> 5<br> 00
Volgvan
I don’t know it the last number is 8500 but I got 8404 it’s that
5 0
3 years ago
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