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2 years ago

FUDGEE help pleasee

Mathematics

2 answers:

Nastasia [14]2 years ago

4 0

Answer:

x= -7 and x= -3

Step-by-step explanation:

(x+7)(x+3)=0 (Think about the numbers that will add to 10 and multiply to 21)

x= -7 and x= -3

hoa [83]2 years ago

4 0

Answer:

x = −3 or x = −7

Step-by-step explanation:

Let's solve your equation step-by-step.

x^2 + 10x + 21 = 0

Step 1: Factor left side of equation.

(x+3) (x+7) = 0

Step 2: Set factors equal to 0.

x + 3 = 0 or x + 7 = 0

x = −3 or x = −7

I hope this helps you with your assignment and have a fantastic day! :D

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3 years ago

Solve the inequality for t. 12 >t+3 Simplify your answer as much as possible

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Answer:

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Step-by-step explanation:

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3 years ago

9(p-4)=-18 what does p equals ?

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Step-by-step explanation:

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3 years ago

HELP PLEASE

Lemur [1.5K]

Answer:

False,

(-4, -1) is not a solution of the given system of equations

Step-by-step explanation:

Given the system of equations:

$3x+8y =20$ .......[1]

$-5x+y =19$ ......[2]

To determine (-4, -1) is a solution

Substitute x = -4 and y = -1 in both the equations, if they both satisfied then it is a solution.

$3(-4)+8(-1)=20$

⇒ $-12-8 = 20$

⇒ $-20 = 20$ False.

$-5(-4)+(-1)=19$

⇒ $20-1 = 19$

⇒ $19=19$ True.

Since, the given statement is not true

because the ordered pair (-4, -1) does not satisfy the given system of equations.

8 0

3 years ago

Read 2 more answers

Brenda had bowling scores of 92, 110, 85, 78, and 96. She completed the steps below to determine the score she needs in her next

Simora [160]

Answer:

The mistake is evidently in the addition of the first 5 bowling scores

Step-by-step explanation:

Brenda had bowling scores 92, 110, 85, 78, and 96.

She needs one more bowl to get an average of 96.

Let the last bowl score = x

(92 + 110 + 85 + 78 + 96 + x)/6 = 96

(92 + 110 + 85 + 78 + 96 + x) = 96×6 = 576

461 + x = 576

x = 576 - 461 = 115

The mistake is evidently in the addition of the first 5 bowling scores, the score for the 5th bowl was excluded, maybe because it was coincidentally 96 too.

She added (92 + 110 + 85 + 78) instead of (92 + 110 + 85 + 78 + 96), so, the score needed for the last bowl to get an average of 96 is actually 115, not 211.

Hope this Helps!!!

8 0

3 years ago

Read 2 more answers