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Naddik [55]
3 years ago
8

Need help on number 6!!!!

Mathematics
1 answer:
Nataly [62]3 years ago
4 0

Answer:

930

Step-by-step explanation:

basically, i' not sure but i think it is 30*31 which is 930.

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Splve for a. help me please
Papessa [141]

2a+7=180-109

2a+7=71

    -7=71-7

2a=64

a/2=64/2

a=32

8 0
3 years ago
What are the solutions for 3(x-4)(2x-3)=0
Marta_Voda [28]

Answer:

x = 4, 3/2

Step-by-step explanation:

5 0
3 years ago
WORTH 30 PTS
kifflom [539]

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Done

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8 0
3 years ago
The age of father is a two digit number. If 5 is added to the double of the digit in the tenth place of father's age will be the
yuradex [85]

Answer:

The father is 50 and his son is 15.

Step-by-step explanation:

Double the tens digit of the father's age = 10

Plus 5 = 15 (the age of the son)

50 + 15 = 65 (the sum of their ages)

The reverse of the digits of the son's age is 51.

Subtract 1 = 50 (the age of the father)

7 0
3 years ago
PLEASE HELP 20 POINTS<br> solve the system of equations y=-5x-7 and -4x-3y=-1 by substitution.
Ainat [17]

Answer:

Solution: x = -2; y = 3 or (-2, 3)

Step-by-step explanation:

<u>Equation 1:</u>  y = -5x - 7  

<u>Equation 2:</u> -4x - 3y = -1

Substitute the value of y in Equation 1 into the Equation 2:

-4x - 3(-5x - 7)  = -1

-4x +15x + 21 = -1

Combine like terms:

11x + 21 =  - 1

Subtract 21 from both sides:

11x + 21 - 21 =  - 1 - 21

11x = -22

Divide both sides by 11 to solve for x:

11x/11 = -22/11

x = -2

Now that we have the value for x, substitute x = 2 into Equation 2 to solve for y:

-4x - 3y = -1

-4(-2) - 3y = -1

8 - 3y = -1

Subtract 8 from both sides:

8 - 8 - 3y = -1 - 8

-3y = -9

Divide both sides by -3 to solve for y:

-3y/-3 = -9/-3

y = 3

Therefore, the solution to the given systems of linear equations is:

x = -2; y = 3 or (-2, 3)

Please mark my answers as the Brainliest if you find this helpful :)

7 0
3 years ago
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