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Georgia [21]
3 years ago
9

-5x=20 is x=-4? i need help and im not sure if thats correct.

Mathematics
2 answers:
alexandr402 [8]3 years ago
6 0
Yes that is correct
Korvikt [17]3 years ago
3 0

Answer:

Well if you put -4 where x is.. you still do get the answer of 20.

So that is correct.

Step-by-step explanation:


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When a principal amount, P, is invested at an annual interest rate, r, and compounded n times per
GaryK [48]

Answer:

n =2

Step-by-step explanation:

Compound interest:

The compound interest formula is given by:

A(t) = P(1 + \frac{r}{n})^{nt}

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per year and t is the time in years for which the money is invested or borrowed.

In this question:

The money is compounded every 6 months.

n is the number of times that interest is compounded per year.

Each 6 months means 12/6 = twice a year. So n =2..

8 0
3 years ago
A triangle has side with the lengths 8x + 6, 5x -5 and -6x + 12. What is the perimeter of the triangle?
Verizon [17]
To find the perimeter you have to combine like terms. 8x + 5x - 6x is 7x and 6 - 5 + 12 is 13 so the perimeter of the triangle is 7x + 13
5 0
3 years ago
Mrs. Ibarra wants to create a right triangle for a geometry test. She plans to use 15, 36, and 41 as side lengths. Which stateme
Aliun [14]

Answer:

A and C are correct.

Step-by-step explanation:

A: 15 + 26 is greater than 41 so it will form a triangle

B: 15 + 36 is not equal to 41 so it will not form a triangle

C: 15 squared + 36 squared = 1,521

   41 squared = 1,681

   Since a squared + b squared not-equals c squared, it will not be a right    

   triangle.

D: 15 squared + 36 squared = 297

    41 squared = 82

A is correct because any 2 sides of a triangle must be greater than the third.

B is incorrect because it cannot equal the third side, but must be greater than.

C is correct because in a right triangle, the sum of the square of the legs must be equal to the square of the hypoteneuse.

D just does not make sense.

7 0
3 years ago
In 687,332,195, how is the value of the three in the ten thousands place related to the value of the 3 in the hundred thousands
olganol [36]
<span>In this case, the value of the first 3 (the ten-thousands) has a value of 30,000. The 3 next to it, in the hundred-thousands place, has a value of 300,000. To compare the two, the 3 on the right has a value one-tenth as much as that on the left.</span>
8 0
3 years ago
Read 2 more answers
Find the perimeter FOR BRAINLIEST
andreyandreev [35.5K]

Answer:

56

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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