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lubasha [3.4K]
3 years ago
9

The complement of an angle is 25°. What is the measure of the angle?

Mathematics
1 answer:
Varvara68 [4.7K]3 years ago
3 0
65 degrees.

90 - 25 = 65



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2 sin^3 30° simplified
belka [17]

Answer:

0.25.

Step-by-step explanation:

sin 30 = 0.5

So it is 2 * (0.5)^3

= 2 * 0.125

= 0.25.

6 0
2 years ago
A student's tuition was $3000. A loan was obtained for 5/6 of the tuition. How much was the loan?
Marina86 [1]
Answer: 2,500

5/7 of 3500 = (5/7)*(3500)

5/7 of 3500 = (5/7)*(3500/1)

5/7 of 3500 = (5*3500)/(7*1)

5/7 of 3500 = (17500)/(7)

5/7 of 3500 = 2500
Hope this helped:)
8 0
3 years ago
A $10,000 deposit at the bank will double in value in 9 years. Give a formula for the accumulated amount t years after the inves
wolverine [178]

Answer:

S = P(1.08)^{t}

Step-by-step explanation:

A $10,000 deposit at the bank will double in value in 9 years.

If the interest is r% and it is compounded each year, then we can write from the formula of compound interest that

20000 = 10000(1 + \frac{r}{100})^{9}

⇒ 2 = (1 + \frac{r}{100})^{9}

⇒ 1 + \frac{r}{100} = 1.08

⇒ r = 8%

Therefore, the formula for the accumulated amount t years after the investment is made will be  

S = P(1 + \frac{8}{100})^{t} = P(1.08)^{t}  

where, P is the invested principal and S is the accumulated sum. (Answer)

3 0
3 years ago
Plzzzzzzzzzzz help im dumb
bearhunter [10]

Answer:

C I did the test sorry if im wrong

Step-by-step explanation:

<3 Goodluck

6 0
3 years ago
What is the area of the figure below? Use 3.14 for pi. Round your answer to the nearest hundredth.
sammy [17]

Answer:

area of the figure ≈61.23 cm² to the nearest hundredth

Step-by-step explanation:

To find the area of the figure, we will follow the steps below;

Looking at the figure, we will see that the figure comprises of both semi-circle and a parallelogram

area of figure = area of semicircle + area of parallelogram

first, we will find the area of the semi-circle

area of a semi-circle = πr² /2

from the diagram given, diameter = 7cm

but diameter = 2r, this implies that radius r = d/2, hence radius r = 7/2 = 3.5 cm

π = 3.14

Lets insert the values into the formula

area of a semi-circle = πr² /2

                                    =3.14×3.5² /2

                                    =3.14×12.25 /2

                                     =19.2325 cm²

Area of a parallelogram = b×h

where b = base and h = height

from the figure given, base b = 7cm   and height h = 6 cm

Lets insert the values into the formula

Area of a parallelogram = b×h

                                       = 7×6

                                       =42 cm²

area of the figure = area of semicircle + area of parallelogram

                                =19.2325 cm²   +   42 cm²

                                =61.2325 cm²

                                ≈61.23 cm² to the nearest hundredth

area of the figure ≈61.23 cm² to the nearest hundredth

8 0
3 years ago
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