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s344n2d4d5 [400]
3 years ago
10

What is m∠PQR? please help

Mathematics
2 answers:
leva [86]3 years ago
6 0

Answer:

127

Step-by-step explanation:

The angles add up to 180° since they are on a straight line. Find 3x - 5.

3x - 5 + x + 1 = 180

4x - 4 = 180

4x = 180 - 4

    = 176

x = 176 ÷ 4

x = 44

3x - 5 = 3(44) - 5

          = 132 - 5

          = 127

Effectus [21]3 years ago
4 0

Answer:

Step-by-step explanation:

<PQR=3X-5

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Alborosie

Answer:

2-sqrt14/2, 2+sqrt13/2.

Step-by-step explanation:

What you do is you have to do the quadratic equation like it says in the problem.

x=  −b± sqrtb^2 −4ac /2a .

a=-2, b=4, c=5.

x=-4±sqrt(4)^2-4(-2)(5)/2(-2).

x=-4±sqrt16+40/-4.

x=-4±2sqrt14/-2.

2-sqrt14/2, 2+sqrt13/2. is your answer once you have done everything.

​  

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6 0
3 years ago
There were 96 iPads at Fun Elementary. A company donated some iPads and the school purchased 300 more iPads. Now there are 865 i
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Answer:

469 iPads were donated.

Step-by-step explanation:

The school purchased 396 iPads in total: 300+96

Now, you subtract how many the school purchased from the total amount of iPads to see how many iPads were donated: 865-396 = 469

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3 years ago
There are 3 green balls and 7 red balls in a bag. Two balls are chosen randomly without replacement. Is this independent or not
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Not Independent

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You deposit $2000 each year into an account earning 7% interest compounded annually. How much will you have in the account in 30
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The amount that will be in the account after 30 years is $188,921.57.

<h3>How much would be in the account after 30 years?</h3>

When an amount is compounded annually, it means that once a year, the amount invested and the interest already accrued increases in value. Compound interest leads to a higher value of deposit when compared with simple interest, where only the amount deposited increases in value once a year.

The formula that can be used to determine the future value of the deposit in 30 years is : annuity factor x yearly deposit

Annuity factor = {[(1+r)^n] - 1} / r

Where:

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$2000 x [{(1.07^30) - 1} / 0.07] = $188,921.57

To learn more about calculating the future value of an annuity, please check: brainly.com/question/24108530

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8 0
2 years ago
At that velocity voyager 1 would have traveled 547,500,000 kilometers in a year. Whats that in scientific notation ?
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