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2 years ago

What is the solution to -(6m+8)=4(17-m)

Mathematics

1 answer:

ale4655 [162]2 years ago

5 0

Answer:

The solution to the problem is -38.

Step-by-step explanation:

-(6m + 8) = 4(17 - m)
=> -6m - 8 = 68 - 4m
=> -6m + 4m = 68 + 8
=> -2m = 76
=> m = 76/-2
=> m = -38

Hence, the solution to the problem is -38.

Hoped this helped.

$BrainiacUser1357$

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Evaluate the expression 11C4.

kicyunya [14]

The correct answer is: 330

Explanation:

The formula for combination is given as follows:

$^nC_r = \frac{n!}{r! (n-r)!}$ --- (1)

Where n = 11

r = 4

Plug in the values in equation (1) and calculate:

$^nC_r = \frac{n!}{r! (n-r)!} \\ ^{11}C_{4} = \frac{11!}{4! (11-4)!} \\ ^{11}C_{4} = \frac{11*10*9*8*(7!)}{4! (7)!} \\ ^{11}C_{4} = \frac{11*10*9*8}{4!} \\ ^{11}C_{4} = \frac{11*10*9*8}{4*3*2*1} \\ ^{11}C_{4} = 330 \\$

Hence the correct answer is 330.

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2 years ago

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Answer:

A) 1/(3x+1)

Step-by-step explanation:

(x+2)/(x³+2x²-9x-18)÷(3x+1)/(x²-9)

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since it’s dividing by a fraction, invert and multiply

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The (x+2)’s cancel out.

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2 years ago

Factor completly 4x^2 +8x -5

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∑ Hey, jillianwagler ⊃

Answer:

$\left(2x-1\right)\left(2x+5\right)$

Step-by-step explanation:

║Given info║:

Factor completely: $4x^2 +8x -5$

Solution~:

Breaking the expression~: $\left(4x^2-2x\right)+\left(10x-5\right)$

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Factor out 5 from 10x - 5 : 5(2x - 1)

Put together: $=2x\left(2x-1\right)+5\left(2x-1\right)$

Factor out 2x - 1: $=\left(2x-1\right)\left(2x+5\right)$

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Answer:

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Step-by-step explanation:

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