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3 years ago

Solve the equation for b.

Mathematics

2 answers:

Mkey [24]3 years ago

7 0

Answer:

Move all terms to the left side and set equal to zero. Then set each factor equal to zero.

b = M /4 + 9 x

dusya [7]3 years ago

3 0

Answer:

b=M/(4+9x)

Step-by-step explanation:

In order to solve this you first have to factorize the b from the equation:

M = 4 b + 9 b x

M = B(4+ 9x)

As you can se ethe B is multiplying the factor (4+9x) so in order to clear B (4+9x) should go to the other side dividing M:

B=M/(4+9x)

And that would be the answer to solving the equation for B.

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Answer:

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The cost of 4 notebooks and 3 pens is $14.50. The cost of 5 notebooks and 6 pens is $21.50. Part A: What is the cost of each ite

White raven [17]

Answer:

notebook: $2.5

pen: $1.5

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Step-by-step explanation:

let the cost of notebook be n, cost of pen be p

1. 4n + 3p = 14.5

2. 5n + 6p = 21.5

by 1, you can get 3p = 14.5 - 4n, put it into 2

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p = 1.5

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m(2.5) + 3m(1.5) < 27

2.5m + 4.5m = 7m < 27

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2 years ago

How many times larger is a 10 pound dog than a hamster weighing five eighth pounds

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Step-by-step explanation:

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3 years ago

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Solve the system of inequalities to decide if the point (-3,2) is part of the solution; y<=-4x-3, +8y>=7

inna [77]

Answer:

$(x,y) = (-3,2)$ is a solution

Step-by-step explanation:

Given

$y \le -4x + 3$

$x + 8y \ge 7$

Required

Determine if $(x,y) = (-3,2)$ is a solution

$y \le -4x + 3$ becomes

$2 \le -4 * -3 + 3$

$2 \le 15$ --- this is true

$x + 8y \ge 7$

$-3+ 8 * 2 \ge 7$

$13 \ge 7$ --- this is also true

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3 years ago

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