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Molodets [167]
3 years ago
15

Please help! V^2 = 25/81

Mathematics
1 answer:
WARRIOR [948]3 years ago
7 0

Answer: C

Step-by-step explanation:

if you take the square root of both sides you will get the answer!

<!> Brainliest is appreciated! <!>

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How would I find all the solutions to the equation "7*sin^2x-14*sinx+2=-5"?
Aneli [31]

Answer:

Step-by-step explanation:

Find all solutions to the equation.

7 sin^2(x) - 14 sin x + 2 = -5

7sin^2(x)-14 sin x+7 =0

sin^2(x)-2sin x+1 =0

(sinx-1)(sinx-1)=0

sinx=1

x=π/2+2pi*k, k=integer

8 0
2 years ago
Calculate the a) future value of the annuity due, and b) total interest earned. (From Example 2)
vredina [299]

Answer:

  • value: $66,184.15
  • interest: $6,184.15

Step-by-step explanation:

The future value can be computed using the formula for an annuity due. It can also be found using any of a variety of calculators, apps, or spreadsheets.

__

<h3>formula</h3>

The formula for the value of an annuity due with payment P, interest rate r, compounded n times per year for t years is ...

  FV = P(1 +r/n)((1 +r/n)^(nt) -1)/(r/n)

  FV = 5000(1 +0.06/4)((1 +0.06/4)^(4·3) -1)/(0.06/4) ≈ 66,184.148

  FV ≈ 66,184.15

<h3>calculator</h3>

The attached calculator screenshot shows the same result. The calculator needs to have the begin/end flag set to "begin" for the annuity due calculation.

__

<h3>a) </h3>

The future value of the annuity due is $66,184.15.

<h3>b)</h3>

The total interest earned is the difference between the total of deposits and the future value:

  $66,184.15 -(12)(5000) = 6,184.15

A total of $6,184.15 in interest was earned by the annuity.

3 0
2 years ago
What are the measures of ∠a, ∠b, ∠c and ∠d? Explain how to find each of the angles. measure
Alex787 [66]

Answer:

a=90° (given)

b=180°-90°-59° (angles on a straight line)

c=180°-59° (angles on a straight line)

d=59° (vertically opposite angles)

Step-by-step explanation:

I said the answer already

7 0
2 years ago
The perimeter of a 5-sided figure is 45.56 meters. Two of the sides have the same length. The sum of the other three side length
balandron [24]
10.68 each for the 2 same length sides. The total of the 5 sides is 45.56 less the 3 sides which total 24.2 leaves 21.36 remaining for the 2 equal length sides. So divide 21.36 by 2 = 10.68
(45.56 - 24.2)/2 = 10.68
4 0
2 years ago
Read 2 more answers
at the amusement park each student is given $16 for food this covers the cost of two meals plus $4 for snacks how much money doe
Igoryamba
(16 - 4) ÷ 2
This would give you $6, so that is how much they expect you to spend per meal.
5 0
3 years ago
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