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BabaBlast [244]
3 years ago
9

What’s 7^2+15\7^2 ?

Mathematics
1 answer:
Elis [28]3 years ago
4 0
Decimal: )49.306122)
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What is the area of a rectangle measuring 25 feet long by 8 feet wide
Anton [14]
You need to multiply 25 by 8 so the answer well be 200
7 0
3 years ago
$800 is deposited in an account
Sergeeva-Olga [200]

Answer:

The balance after four years is $1129.27

Step-by-step explanation:

The formula for compound interest, including principal sum, is A=P(1+\frac{r}{n})^{nt}

  • A = the future value of the investment/loan, including interest
  • P = the principal investment amount (the initial deposit or loan amount)
  • r = the annual interest rate (decimal)
  • n = the number of times that interest is compounded per unit t
  • t = the time the money is invested or borrowed for

∵ $800 is deposited in an account

∴ P = 800

∵ The account pays 9% annual interest

∴ r = 9% = 9 ÷ 100 = 0.09

∵ The interest is compounded annually

∴ n = 1

∵ The time is 4 years

∴ t = 4

- Substitute the values of P, r, n, and t in the formula above

∵ A=800(1+\frac{0.09}{1})^{(1)(4)}

∴ A=800(1.09)^{4}

∴ A = 1129.265

∴ The balance after four years is $1129.27

8 0
3 years ago
What is the formula for lineal equetion​
Gwar [14]

Answer:

y=mx+c

Step-by-step explanation:

A linear equation means the equation of straight line.

The formula for equation of straight line in slope intercept form is y=mx+c

where, m is the slope of line and c is the y intercept

The formula for equation of straight line in double intercept form is x/a+y/b=1

The formula for equation of straight line in normal form is xcos α + y cos α=p

There are more formulas bur assuming you are asking for the general representation of the straight-line equation, it is y=mx+c.

4 0
2 years ago
Read 2 more answers
Solve for x<br> 4(1 - x) + 2x = -3 (x + 1)
Blababa [14]

Answer:

x = -7

Step-by-step explanation:

4(1 - x) + 2x = -3 (x + 1)

4 - 4x + 2x = - 3x - 3

- 4x + 2x + 3x = - 3 - 4

x = -7

8 0
3 years ago
Find the slope of the line. <br><br> A. 1/3<br> B. - 1/3<br> C. 3<br> D. -3
BARSIC [14]

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (0, -2) and (6, 0).

Substitute:

m=\dfrac{0-(-2)}{6-0}=\dfrac{2}{6}=\dfrac{1}{3}

<h3>Answer: A. 1/3</h3>
3 0
3 years ago
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