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3 years ago

Bailey & Riley sell magazines.

Mathematics

1 answer:

Solnce55 [7]3 years ago

8 0

Answer:

Step-by-step explanation:

We can write Bailey's equation as:

29 + 1.50x

and Riley's equation as:

20 + 2x

Where

x is the number of magazines sold

Since Riley sold 12, her total pay for that day would be:

20 + 2x

20 + 2(12)

20 + 24

$44

Now, how many magazines Bailey need to sell? We equate Bailey's equation to 44 and find x:

29 + 1.5x = 44

1.5x = 44 - 29

1.5x = 15

x = 15/1.5

x = 10

hence, Bailey need to sell 10 magazines to make same money as Riley

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lutik1710 [3]

First Method:

Round $\frac{3}{5}$ to the closest integer, which is 1.

Round $\frac{3}{4}$ to the closest integer, which is also 1.

So 1 + 1 = 2.

Answer for method 1: 2

Second Method:

$\frac{3}{5}$ + $\frac{3}{4}$ = $\frac{3*4}{5*4} + \frac{3*5}{4*5} = \frac{12}{20}+\frac{15}{20}=\frac{27}{20}$

$\frac{27}{20}$ is around 1

Answer for method 2: 1

The closest answer is 1.

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Pachacha [2.7K]

Answer:

none of these have a solution of 2.

Step-by-step explanation:

4x+ 15 = 27

x=3

x + 6 =3

x = 3

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3 years ago

Find the y-intercept of the line that has a slope of -3 and passes through (9,0)

Ann [662]

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Answer:

Step-by-step explanation:

For point (x, y) and slope m, the y-intercept can be found from the equation ...

b = y -mx

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The y-intercept is +27. The corresponding ordered pair is (0, 27).

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3 years ago

What is the value of the x variable in the solution to the following system of equations?

defon

ANSWER

The correct answer is C $x=3$ .

<u>EXPLANATION</u>

We have

$4x+2y=12---(1)$

and

$x-y=3---(2)$ .

We solve the two equation simultaneously by elimination method. We need to be smart and eliminate y, since we are looking for $x$ .

We first multiply equation (2) by 2

$2x-2y=6---(3)$ .

We add equation (3) and (1).

$\Rightarrow 6x=18$ .

Dividing through by 6 gives

$x=3$ .

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3 years ago