PLZ HELP!! The question is attached!

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

Subtract the 680 from 960, then divide the product by 52000 to get the answer

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A company manufactures and sells novelty mugs. The manufacturing costs consists of a fixed cost of R8000 AND A VARIABLE COST OF R15.00 per mug. The mugs are sold at R35 each. Assume a linear profit function.1. Determine the profit function. 2. What is the break-even level. 3. Draw a graph depicting a profit function.
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estion 15 of 20 : Select the best answer for the question. 15. In order for a button to fit through its buttonhole, the hole needs to be the size of the button's diameter. What size buttonhole is needed for a button with a circumference of 9.42 centimeters?

Answers

We have to calculate the size of a buttonhole if we know that it needs to be the size of the button`s diameter. We know also a circumference of the button: C = 9.42 cm. Formula for calculating the circumference is: C = 2 * r * Pi = d * Pi. Pi is approximately 3.14. So 9.42 = d * 3.14; d = 9.42 : 3.14; d = 3 cm. Answer: The size of the buttonhole has to be 3 cm.

Max purchased a box of green tea mints. The nutrition label on the box stated that a serving of three mints contains a total of 10 calories

Answers

full box=180 calories
C(x)=number of calories
x=number of mints

therefor
full box=180=(10/3)x
180=(10/3)x
solve for x aka number of mints per box

multiply both sides by 3/10 ( since 10/3 times 3/10=30/30=1 so 1x)

540/10=x
54=x

54 mints per box

Which statements about the graph of the function f(x) = –x2 – 4x + 2 are true? Check all that apply.The domain is {x|x ≤ –2}.
The range is {y|y ≤ 6}.
The function is increasing over the interval (–∞ , –2).
The function is decreasing over the interval (−4, ∞).
The function has a positive y-intercept.

Answers

For the function
f(x) = -x2 -4x + 2
The standard form is:
f(x) =-(x+2)2 + 6

Since this a quadratic function, the domain is all real numbers.
The vertex is at (-2, 6)
Since there is a negative 1 before the square term, the graph is curved downwards.
Equating the function to 0, the y-intercepts can be determined which are 0.45 and -0.45.

Therefore, from the given statements, these apply:
The range is {y|y ≤ 6}.
The function is increasing over the interval (–∞ , –2).
The function is decreasing over the interval (−4, ∞).
The function has a positive y-intercept.

we have

$f(x) = -x^(2) - 4x + 2$

using a graph tool

see the attached figure

Statements

case 1) The domain is {x|x ≤ –2}

Is false. the domain is all real numbers---------> interval (-∞,∞)

case 2) The range is {y|y ≤ 6}.

Is true

Is a parabola open down, the vertex is the point $(-2,6)$

the range is the interval ------> (-∞,-6]

case 3) The function is increasing over the interval (–∞ , –2).

Is true (see the graph)

case 4) The function is decreasing over the interval (−4, ∞)

Is false

In the interval (-4,-2) the function is increasing and in the interval (-2, ∞) the function is decreasing

case 5) The function has a positive y-intercept

Is true

The y-intercept is the point $(0,2)$

therefore

the answer is

The range is {y|y ≤ 6}

The function is increasing over the interval (–∞ , –2)

The function has a positive y-intercept

A sphere with a diameter of 16mm has the same surface area as the total surface area of a right cylinder with the base diameter equal to the sphere diameter. How high is the cylinder?A. 16 mm
B. 8 mm
C. 18 mm
D. 14 mm

Answers

$R_(sphere)= (1)/(2) *16=8[mm]\n A_(sphere)=4 \pi R^(2)\n A_(cylinder)=2 \pi R(R+h)\n\n 4\pi R^(2)=2 \pi R(r+h)\n (4\pi R^(2))/(2 \pi R) =r+h\n h= (4\pi R^(2))/(2 \pi R)-R=2R-R=R\n R=8[mm]$

So the answer is B. 8 mm

Answer:

8 mm

Step-by-step explanation:

If f(x) = 2x2 - x, find f(-3).
15
21
39

Answers

Its C on edge but the answer is 21

Alex is saving money to buy a new smartphone. he has already saved 250$ he plans on saving 30$ a week. how many weeks will it take for alex to have enough money to buy the smartphone which cost 550$

Answers

Answer: To find out how many weeks it will take for Alex to have enough money to buy the smartphone, we need to use the following formula:

weeks=rategoal−saved

where:

goal is the amount of money he needs to buy the smartphone, which is 550$

saved is the amount of money he has already saved, which is 250$

rate is the amount of money he saves per week, which is 30$

Plugging in these values, we get:

weeks=550−250/30

Simplifying, we get:

weeks=300/30

Dividing, we get:

weeks=10

Therefore, it will take Alex 10 weeks to have enough money to buy the smartphone. I hope this helps.

Answer:

Not including the 250$ he already saved, it would take Alex 10 weeks to have to 550$ he needs to buy the smartphone.

Step-by-step explanation:

Subtract 250 from 550 and then divide the difference by 30, since Alex plans on saving 30$ per week. The result is 10, which is your answer.

Hope this helps you!

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