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guajiro [1.7K]
2 years ago
7

Please help on these questions!

Mathematics
1 answer:
Afina-wow [57]2 years ago
4 0

Step-by-step explanation:

i don't know but i have done one if i do all your answer will be wrong

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Solve each of the following equations using a method other than the Quadratic Formula.
liraira [26]

Answer:

A)

y^2-6y = 0

or, y(y-6) = 0

or, y = 0 or y = 6

B)

n^2+5n+7 = 7

or, n^2+5n+7-7 = 7-7 ( Subtracting 7 from both sides)

or, n^2+5n = 0

or, n(n+5) = 0

or, n=0 or n= -5

C)

2t^2-14t+3 = 3

or, 2t^2-14t = 0

or, 2t(t-7) = 0

or, t=0 or t=7

D)

1/3x^2+3x-4 = -4

or, 1/3x^2+3x = 0

or, 1/3x(x+9) = 0

or, x=0 or x= -9

E)

Zero is a common solution to each of the equations. This is because each of the equations had a variable outside the parenthesis with an operation of multiplication.

THANK YOU FOR READING.

8 0
2 years ago
Answer plss plss pslsss
OverLord2011 [107]

Answer:

The answers are:

1. C

2.D

3. A

4. C

5. D

6. A

8 0
2 years ago
For what value of x is<br> 896Z15<br> 225 25<br> 11<br> XV14z? Assume z+0.
Karolina [17]

Answer: Value of x is, 8

Step-by-step explanation:  

Given:   ,.....[1]

To find the value of x:

Using exponent rules:

Taking square both sides in [1] we have;

Simplify:

or

Multiply both sides by  we get;

Simplify:

or

Simplify:

x = 8

Therefore, the value of x is, 8

5 0
3 years ago
Solve the following compound inequality. 5x+7 is less than or equal to -3 or 3x-4 is greater than or equal to 11
suter [353]

Answer:

the answer is A

Step-by-step explanation:

3 0
3 years ago
Select the best estimate of the product of 71 x 28 = ____ 1,300 2,100 3,200 4,500
Nastasia [14]

Answer:

2100

Step-by-step explanation:

71 ->70

28 ->30

70 * 30 = 2100

6 0
2 years ago
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