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3 years ago

Solve for the equation 3r = -24

Mathematics

2 answers:

olga2289 [7]3 years ago

7 0

Answer:

r=-8

Step-by-step explanation:

Sindrei [870]3 years ago

5 0

Answer:

yes

Step-by-step explanation:

bc Quick maths

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The price to ship a box varies directly as the weight of the box in pounds. A box that weighs 10 pounds costs $10.90 to ship.

xenn [34]

Well we can say 10.90/10 = the cost per pound to ship the item
we can infer this from the above text so
10.90/10 = 1.09.
So 1.09 * 37 = 40.33
$40.33
or 40 dollars and 33 cents to ship the second box with a weight of 37lb (pounds).

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4 years ago

2) w(x) =

trasher [3.6K]

Answer:

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3 years ago

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Solve the equation.5/6=1/3+d

TiliK225 [7]

Solving a linear equation

We have the following equation

$\begin{gathered} \frac{5}{6}=\frac{1}{3}+d \\ \end{gathered}$

We substract 1/3 each side:

$\begin{gathered} -\frac{1}{3}+\frac{5}{6}=-\frac{1}{3}+\frac{1}{3}+d \\ -\frac{1}{3}+\frac{5}{6}=0+d \\ -\frac{1}{3}+\frac{5}{6}=d \\ \end{gathered}$

We multiply each side of the fraction 1/3 by 2:

$-\frac{1}{3}=-\frac{1\cdot2}{3\cdot2}=-\frac{2}{6}$

Then

$\begin{gathered} -\frac{1}{3}+\frac{5}{6}=d \\ -\frac{2}{6}+\frac{5}{6}=d \\ \frac{3}{6}=\frac{1}{2}=d \end{gathered}$ <h2>Answer: d = 1/2</h2>

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1 year ago

A bookstore costs $90 a day to keep open, and spends $12 for each book it sells. the store charges $18 for each book it sells. I

denpristay [2]

Total Cost in a day is $TC= 90 + 12n$ . Profit function is $P=18n$ . And the revenue function is $R = P-TC = 18n-12n-90 = 6n-90$ . In a day, bookstore must sell at least 15 books, because of 6n-90=0, in order to make profit.

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4 years ago

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What steps would you use to plot (−3, −4, 0) in a 3-dimensional coordinate system?

eimsori [14]

Answer:

a. From the origin, move back 3 units and down 4 units

Step-by-step explanation:

Given:

The coordinates of a point in a 3-dimensional space is given as:

(-3, -4, 0)

The value of 'x' = -3

The value of 'y' = -4

The value of 'z' = 0

At the origin, the values of 'x', 'y', and 'z' are each equal to 0.

So, the coordinates of origin is (0, 0, 0). In order to reach the point (-3, -4, 0) from the point (0, 0, 0), we don't move along the z-axis as the 'z' value remains the same. We need to move along the 'x' and 'y' directions only.

Now, 'x' is equal to -3. Negative values of 'x' occur backwards from origin. So, we move back by 3 units. to reach the point (-3, 0).

Now, the value of 'y' is -4. Negative values of 'y' occur below the origin. So, we move down by 4 units to reach the point (-3, -4).

Therefore, the correct option is option (a)

A graph in 2 dimensional is shown in support of the answer.

8 0

4 years ago