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3 years ago

6

Having to do with the $1200 per month & $35 for every phone you sell

1 answer:

docker41 [41]3 years ago

7 0

Since her base amount is 1200, we have 1200+<number>=<number>. Since she gets 35 dollars for every phone, if the number of phones she sells is x, we have 1200+35*x=the total amount of money in a month =4000 . Subtracting 1200 from both sides, we get 2800=35*x and by dividing both sides by 35 we get x=80

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A sector with a radius of 8 cm has an area of 56pi cm2. What is the central angle measure of the sector in radians?

Maurinko [17]

Answer:

$\frac{7\pi}{4}$ .

Step-by-step explanation:

Given information:

Radius of circle = 8 cm

Area of sector = $56\pi\text{ cm}^2$

Formula for area of sector is

$A=\dfrac{1}{2}\theta r^2$

where, r is radius and $\theta$ is central angle in radian.

Substitute $A=56\pi$ and r=8 in the above formula.

$56\pi=\dfrac{1}{2}\theta (8)^2$

$56\pi=\dfrac{64}{2}\theta$

$56\pi=32\theta$

$\dfrac{56\pi}{32}=\theta$

$\dfrac{7\pi}{4}=\theta$

Therefore, the measure of the sector in radians is $\frac{7\pi}{4}$ .

6 0

2 years ago

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zheka24 [161]

Negative x positive = negative

Negative x negative = positive

-4 x 8 = -32

-4 x -1 = 4

-4 x -5 = 20

-4 x 9 = -36

Answer: |-32 4 20 -36|

8 0

2 years ago

Find A and B if the graph of Ax + By = 12 passes through (2,1) and is parallel to the graph of 2x - 7y = 3

Ivenika [448]

Answer:

24-21

Step-by-step explanation:

2×12=24 7×3=21 I started from 2×2 towards 2×12 when I got the answer and I started 7×1 towards 7×3

4 0

2 years ago

Mrs carter manages a pizza parlor the average daily cost is 40 $ plus 52 $ to pay each employee it also cost 2$ to make each piz

Shtirlitz [24]

Total costs: 40 + (7*52) + (42*2) = 488

4 0

3 years ago

If (a, -5) is a solution to the equation 3a = -2B - 7, what is a?

Andrew [12]

I think what you need to do is make B = -5
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a = 1

3 0

3 years ago