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REY [17]
3 years ago
12

The algebra teacher said if you square my age then subtract 23 times my age, the result is 50. How old is he?

Mathematics
2 answers:
viva [34]3 years ago
8 0

Answer:

25

Step-by-step explanation:

Mrrafil [7]3 years ago
8 0

Answer:

She is 25

Step-by-step explanation:

25^2 = 625

23*25 = 575

625 - 575 = 50

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A student must leave for campus in 10 mins or he will be late for class. Unfortunately he is snowed in. He can shovel the drivew
Leno4ka [110]
Since if he gets the driveway done in 20 minutes he gets 1/20th of the driveway done in 1 minute (if x=20 then x/20=1 by dividing both sides by 20) and if his brother gets 1/12th of the driveway done in one minute, then if t represents the time it takes to shovel the driveway, t/20+t/12=1 driveway shoveled as 1/20+1/12=amount they can do in 1 minute, so t/20+t/12 is how much they can do in t minutes. Multiplying both sides by 20*12=240, we get 12t+20t=32t=240. Dividing both sides by 32, we get 240/32=7.5 minutes to shovel the driveway.
7 0
3 years ago
Complete the table below to solve the equation $2x + 12 = 4^x$
IrinaVladis [17]
2(2) + 12 = 4^(2)
4 + 12 = 16
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5 0
3 years ago
If 20 pounds of beans sold for $1.20, what was the price per pound of beans?
zaharov [31]

Answer:

0.06 Cent

Step-by-step explanation:

Per Pound= Every one

so 1.20 divided by 20

= 0.06

So the price per pound of beans is 0.06 Cent

7 0
2 years ago
Read 2 more answers
?????????????????????????
Monica [59]

Answer:

Interest earned = $32.835

Step-by-step explanation:

Given the following data;

Principal = $275

Number of times = 0.5

Interest rate = 2.9% = 0.029

Time = 4 years

To find the interest earned, we would use the compound interest formula;

A = P(1 + \frac{r}{n})^{nt}

Where;

A is the future value.

P is the principal or starting amount.

r is annual interest rate.

n is the number of times the interest is compounded in a year.

t is the number of years for the compound interest.

Substituting into the equation, we have;

A = 275(1 + \frac{0.029}{0.5})^{0.5*4}

A = 275(1 + 0.058)^{2}

A = 275(1.058)^{2}

A = 275(1.1194)

A = $307.835

Interest earned = 307.835 - 275

Interest earned = $32.835

5 0
3 years ago
Will Give Brainliest!!!
Musya8 [376]
I think the best answer would be answer D
6 0
3 years ago
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