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3 years ago

What does "A" equal.

Mathematics

1 answer:

Mila [183]3 years ago

5 0

A/6= -3.3
a/6*6 = -3.3*6 (6's cancel out)
a= -19.8

Hope it helps!

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Two- thirds of a number added to itself is 20. what is the number?

MrRissso [65]

Equation

Let the number = x

(2/3)x + x = 20 Change the x to thirds.

(2/3)x + 3/3x = 20 3/3 = 1 Now combine the like terms.

(2 + 3)/3 = 20 2/3 + 3/3 = 5/3

(5/3) x = 20 Multiply both sides by 3/5

(5/3)*(3/5)x = 20*3/5 Complete the multiplication on the right

x = 4 * 3 Combine

x = 12 Answer

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3 years ago

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Determine the intercepts of the line. v-intercept: (____,___) y-intercept: (____,___)

zaharov [31]

V=(-250,0)
Y=(0,100)

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3 years ago

Steven earns extra money babysitting he charges $33 for 4 hours and $57.75 for 7 hours entering an equation to represent the rel

sweet [91]

Answer:

y = 8.25x

Step-by-step explanation:

Linear Modeling

Some events can be modeled as linear functions. If a situation comes where a linear model is suitable, then we need two sample points to make the model and predict unknown behaviors.

The linear function can be expressed in the slope-intercept format:

$y=mx+b$

The equation of a line passing through points (x1,y1) and (x2,y2) can be found as follows:

$\displaystyle y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)$

Let's use linear modeling to represent Steven's earnings he makes babysitting. Call y the money he charges by x hours of work.

We know he charges y1=$33 for x1=4 hours, and y2=$57.75 for x2=7 hours. The ordered pairs are (4,33) and ( 7, 57.75)

Computing the equation of the line we have:

$\displaystyle y-33=\frac{57.75-33}{7-4}(x-4)$

Operating:

$\displaystyle y-33=\frac{24.75}{3}(x-4)$

$y - 33 = 8.25( x - 4 )$

$y = 8.25x - 33 + 33$

y = 8.25x

There is a proportional relationship.

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3 years ago

Pls help i dont know ?

Nimfa-mama [501]

Answer:

$8 \times(2+15)$

Step-by-step explanation:

5 0

2 years ago

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The table your working at keeps wobbling. You decide to fix it by making a thick pad of paper from folded sheets of paper. Each

loris [4]

To answer this question and you will use exponents.

When you fold your paper three times, it is represented as two cubed or 2^3.

When you for your other sheet of paper two times, it is represented as two squared or 2^2.

Put Both of these together and you have 8+4 which equals 12.

It will take 12 layers of paper.

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3 years ago