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Mathematics

1 answer:

weeeeeb [17]3 years ago

3 0

Answer:

79 degrees.

I can give an explanation if you need.

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Cerebral $500 for four years at 3% interest compounded annually use the formula to calculate the total amount she will have to p

Black_prince [1.1K]

Since we're doing compound interest for four years it will be simpler than daily.
In case you didn't know the formula, here it is: A = P (1 +r/n)^(nt)
now lets substitute.
A = 500 (1 + 0.03)^4
A = 500 (1.03)^4
A = 500 (1.12550881)
A = 562.754405
Since that decimal is too big for cash, let's round it. Notice that the number after 5 is lower than 5. Thus the first two numbers stay the same and the final answer will be..
A = 562.75
Hope this helps :3

4 0

3 years ago

When two triangles are congruent 3 sides are?

steposvetlana [31]

This is a really vague question, but all i can assume from that is that all the sides of some triangle are congruent to their respective sides on the other triangle.

6 0

3 years ago

What is the mixed decimal 17.45 as a mixed number and reduce to lowest terms

Hunter-Best [27]

17.45 = 17 45
100 and you can divide the numerator and denominator by 5

so the final answer is 17 9
 20

7 0

3 years ago

Solve the equation by completing the square. Round to the nearest hundredth if necessary. x2 + 2x = 17

yawa3891 [41]

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Equation Given
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x² + 2x = 17

--------------------------------------------------------
Add the constant to make it perfect square
--------------------------------------------------------
x² + 2x + (2/2)² - ²(2/2)² = 17

--------------------------------------------------------
Evaluate the brackets
--------------------------------------------------------
x² + 2x + (1)² - ²(1)² = 17

--------------------------------------------------------
Form the perfect square
--------------------------------------------------------
(x + 1)² - 1 = 17

--------------------------------------------------------
Add 1 to both sides
--------------------------------------------------------
(x + 1)² = 17 + 1
(x + 1)² = 18

--------------------------------------------------------
Square root both sides
--------------------------------------------------------
√(x + 1)² = $\pm$ √18

--------------------------------------------------------
Solve for x
--------------------------------------------------------
x = 4.24 - 1 or - 4.24 -1

x = 3.24 or - 5.24 (nearest hundredth)

--------------------------------------------------------
Answer: x = x = 3.24 or - 5.24
--------------------------------------------------------

7 0

3 years ago

What is 100,000,000 written as a power of ten? a. 10^8 b. 10^9 c. 10^10 d. 10^11

Minchanka [31]

$100,000,000 = 100 \times 10^6 = 1\times 10^8\\~~\underbrace{~~~~~~~~~~~~~~~}\\~~~~~~~~~8$

Your answer is a. 10^8

7 0

3 years ago