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Hatshy [7]
4 years ago
12

Geometry math question no Guessing and Please show work

Mathematics
1 answer:
Readme [11.4K]4 years ago
3 0

Angle (8x)⁰ and angle (2x+60)⁰ are congruent angles as corresponding angles.

So,

8x = 2x+60

8x - 2x =60

6x = 60

x=10

Answer C. 10

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The area of a square is 128x3y4 cm2. What is the length of one side of the square in simplest form
AlekseyPX

Answer:

We know that the area of the square of side length L is:

A = L*L = L^2

In this case, we know that the area is:

A = 128*x^3*y^4 cm^2

Then we have:

L^2 = 128*x^3*y^4 cm^2

If we apply the square root to both sides we get:

√(L^2) = √( 128*x^3*y^4 cm^2)

L = √(128)*(√x^3)*(√y^4) cm

Here we can replace:

(√x^3) = x^(3/2)

(√y^4)  = y^(4/2) = y^2

Replacing these two, we get:

L = √(128)*x^(3/2)*y^2 cm

This is the simplest form of L.

7 0
3 years ago
At a sale, you purchased a $20 scarf for $15. What<br> was the percent of change?
sammy [17]
The scarf was 25% off
20 - 15 = $5
20 divided by 5 = 4
So it was 1/4 off which equals 25%
4 0
3 years ago
Find the surface area of the rectangular prism. SA = sum of all 6 sides
wolverine [178]

Answer:

10*5 = 50

10*4 = 40

5 * 4 = 20

The total is 110 but we can't forget there are 2 sides to each of those planes and so the area = 220 square meters

Step-by-step explanation:

7 0
3 years ago
In calculating the monthly payment for a five-year loan, what value should be used for n, the number of periods over which the l
Ymorist [56]

The value should be used for n, the number of periods over which the loan is repaid in 60 periods.

We have to determine

In calculating the monthly payment for a five-year loan, what value should be used for n, the number of periods over which the loan is repaid, as it appears in the following formula?

<h3>What formula is used to calculate the monthly payment?</h3>

The value of the monthly payment is given by;

\rm P=PV\times \dfrac{i}{1-(1+i)^{-n}}

Where,

  • PV is the present value or the amount of the loan.
  • i is the interest rate per period and is calculated by dividing the yearly percent rate by 100 and by the number of periods in a year.
  • n is the total number of periods and is calculated as the product of the number of periods in a year times the number of years.

Therefore,

The value should be used for n, the number of periods over which the loan is repaid;

n = 6 years × 12 months/year = 60 months = 60 periods.

Hence, The value should be used for n, the number of periods over which the loan is repaid in 60 periods.

To know more about Monthly payment click the link given below.

brainly.com/question/26351994

7 0
3 years ago
Does anyone know this? Please help
Nesterboy [21]

A. Range would be your answer

5 0
4 years ago
Read 2 more answers
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