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olga2289 [7]
3 years ago
12

Suppose that the minimum score on certification test is 200 and the maximum score is 1000. Write an absolute value equation that

represents the minimum and maximum scores. Use x to represent the scores.
Mathematics
1 answer:
vitfil [10]3 years ago
3 0

Answer:

| x - 600 | = 400

Step-by-step explanation:

Absolute value equation of the form:

| x - a | = b

can be solved by:

x - a = b

x = a + b

and

x - a = -b

x = a - b

We can write the inequality  | x - 600 | = 400

Let's solve and see if we get values of 200 and 1000:

x - 600 = 400

x = 1000

and

x - 600 = -400

x = 200

So this equation is right.

| x - 600 | = 400

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What was the total production of gasoline and kerosene combined (in Barrels)
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The amount of kerosene and gasoline produced is an illustration of equations.

<em>44.4 million barrels of gasoline and kerosene are produced</em>

Let

<em />x \to<em> Proportion of kerosene</em>

<em />y \to<em>  Proportion of Gasoline</em>

<em />

So:

x = 40\%

y = 34\%

Total = 60\ million ---- total barrels produced

The amount of Kerosene produced is:

Kerosene =x \times Total

Kerosene =40\% \times 60\ million

Kerosene = 24\ million

The amount of Gasoline produced is:

Gasoline  =y \times Total

Gasoline  =34\% \times 60\ million

Gasoline  =20.4\ million

So, the total production of both is:

Total = Kerosene + Gasolene

Total = 24\ million + 20.4\ million

Total = 44.4 million

<em>Hence, 44.4 million barrels of gasoline and kerosene are produced</em>

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2 years ago
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Sergeeva-Olga [200]

Answer:

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Step-by-step explanation:

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Which figure has the largest shaded region?
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Put the equation in standard form with a positive x coefficient. 2y+5=-4(x+2)
umka21 [38]

The standard form of equation is: 4x+2y = -13

Step-by-step explanation:

the standard form of a linear equation in two variables is given by:

ax+by = c

Given equation is:

2y+5=-4(x+2)

Distributing -4 into the round bracket

2y+5 = -4x-8

Adding 4x on both sides

4x+2y+5 = -4x-8+4x\\4x+2y+5 = -8

subtracting 5 from both sides

4x+2y+5-5 = -8-5\\4x+2y = -13

The standard form of equation is: 4x+2y = -13

Keywords: Linear equation, variables

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3 years ago
How do you write 0.63 as a fraction?​
tatuchka [14]

Hello!

Answer:

First, write 0.63 as 0.63/1

Then, multiply both numerator and denominator by 10 for every number after the decimal point.

0.63x100/1x100=63/100

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