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Vikki [24]
2 years ago
13

HELP please I’ll post a picture to make it easier to look at (I made it to get 20 points)!!!

Mathematics
1 answer:
Trava [24]2 years ago
6 0

Answer:

Both expressions are = to 11 when x is 2.

Therefore, the expressions are equivalent.

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At what interest rate (to the nearest hundredth of a percent) compounded annually will money in savings double in five years?
Sphinxa [80]
For a single payment with compound interest, the equation to use is F=P(1+i)^n where F is the value after n periods, P is the present value, and i is the interest rate.

If we want the final value F to double in 5 years, F is then equal to P then n=5. The equation is now:

2P=P(1+i)^5
2=(1+i)^5
i=14.87% per year
5 0
3 years ago
The value of a house has increased by $4,200 in the past year. By what percent has the value increased if the value last year wa
IgorC [24]

Answer:

The value has increased by <u>8 percent</u>.

Step-by-step explanation:

Given:

The value of a house has increased by $4,200 in the past year.

The value last year was $52,500.

Now, to find the percent increased.

<em>Value of house = $52,500.</em>

<em>Value of house last year increased by = $4200.</em>

So, to get the percent increased:

\frac{Value\ of\ house\ last\ year\ increased\ by} {Value\ of\ house}\times 100.

=\frac{4200}{52500} \times 100

=0.08\times 100

=8\ percent.

Therefore, the value has increased by 8 percent.

6 0
2 years ago
Algebraic equations<br><img src="https://tex.z-dn.net/?f=x%20%2B%2020%20%3D%20100" id="TexFormula1" title="x + 20 = 100" alt="x
Setler [38]

Answer:

x = 80

Step-by-step explanation:

The whole reason algebra exists is to solve for a variable. Therefore, the only way to get x by itself or to see what x equals is to subtract 20 from both sides. Doing this will make x be all alone on one side of the equation and to see what x is.

x + 20 = 100

x + 20 -20 = 100 -20

x = 80

4 0
3 years ago
Q. Which graph is linear?
Sophie [7]

Answer:

d trust me

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Simplify the following expression:<br>-7(3e - 2f + 4) + 6e -2<br><br>can someone help me?​
Free_Kalibri [48]

Answer:

Hope this helps

3 0
3 years ago
Read 2 more answers
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