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Gnom [1K]
3 years ago
12

169a2-52a-65b-196b2​

Mathematics
1 answer:
Kobotan [32]3 years ago
3 0

Answer:

13\left(13a^{2}-4a-5b-15b^{2}\right)

Step-by-step explanation:

factored 13

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If the y-intercept of the function y=4x-7 were increased by 10 what would be the equation of the new function
Sonja [21]
The equation would be:
y = 4x + 3

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8 0
3 years ago
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An account earns simple interest. (a) Find the interest earned. (b) Find the
Debora [2.8K]

Answer:

#a. $80

#b. $1680

Step-by-step explanation:

We are given;

  • Amount invested (principal) is $1600
  • Rate of interest is 5%
  • Time = 1 year

We are required to determine the amount of simple interest earned and the amount or balance in the account after 1 year.

#a. Interest earned

To calculate simple interest we use the formula;

I = (PRT) ÷ 100

Where, P is the principal, R is the rate, T is the time and I is the simple interest.

Therefore;

I = (1600 × 5 × 1) ÷ 100

 = $80

Therefore, simple interest earned is $80

#b. Balance of the account (Amount accrued)

We are going to use the formula;

A = P + I , where A is the amount accrued, P is the principal and I is the simple interest earned.

Therefore;

Account balance = $1600 + $80

                            = $1680

Thus, the account balance after 1 year will be $1680

8 0
2 years ago
What does -4x+7=11 equal ?
viktelen [127]
-7 to make 4 so -4x=4 x=-1

The answer is x=-1

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6 0
3 years ago
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Given A = 60o, B = 80o, and a = 5.1, use the Law of Sines to solve the triangle for the value of b. Round answer to two decimal
Kipish [7]
5.1/sin 60 = b/sin 80
cross multiply
b Sin 60 = 5.1 Sin 80
Divide both sides by Sin 60
b = 5.80
4 0
3 years ago
X^4 -(3m+2)x^2 +3m+1 +0 <br> tìm m để phương trình có 4 nghiệm phân biệt nhỏ hơn 2
Kobotan [32]

Answer:

3

4

4

3

4

4

3

5

5

3

4

5

5

4848

Step-by-step explanation:

hope I helped

8 0
2 years ago
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