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Vladimir79 [104]
3 years ago
15

A fish cost 5.50. Apply the following percentage to see how much it will cost to buy a fish? Markup: 70%. Discount:10% Tax: 6.25

%. The answer is 8.94. Please explain I don’t understand, how you got the answer.
Mathematics
1 answer:
Leto [7]3 years ago
5 0

Answer:

Step-by-step explanation:

I don’t know sorry

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Write an equation in slope-intercept form of the line that passes through (7, 2) and (2, 12)
Anika [276]

Step-by-step explanation:

the general slope intercept form is

y = ax + b

a is the slope, b is the y-intercept (when x=0).

the slope is the ratio y/x indicating how much y changes, when x changes for a certain amount of units when going from one point to another.

going from (7, 2) to (2, 12) :

x changes by -5 (from 7 to 2), y changes by +10 (from 2 to 12).

so, the slope is 10/-5 = -2

therefore, we have already

y = -2x + b

we get b by using the coordinates of one of the points as x and y. e.g. (7, 2)

2 = -2×7 + b = -14 + b

16 = b

so, the full line equation is

y = -2x + 16

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2 years ago
A cube has a side length of x feet. Which expression represents the surface area of the cube?
alexdok [17]
The answer is D)6x2 square units.

A surface area of a cube is a sum of its sides' areas. A side of the cube is a square, and there are total 6 sides of the cube. Also, an area of the side of the cube is the area of the square, which can be expressed as a², where a is the length of the side. Therefore, the surface area (SA) of the cube is:
SA = 6*a² = 6a²

If side length is x, that means that a = x units.
After replacing it in the formula, you will have:
SA = 6a² = 6x² square units

8 0
3 years ago
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Debra has two-thirds of a pound of loose green tea leaves. If she wants to keep one-half of the tea at home and the other half a
MrMuchimi

Answer: <em>I would personally say 1/3</em>

7 0
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Need help asap<br> What is 2/3 divided by 1/6 ?<br><br> A)3<br> B)4<br> C)4 1/12<br> D)4 1/2
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Answer: 25% of 40 or 0.25 of 40 is 10.

Step-by-step explanation:

Basically you have to divide 40 by 10 because 1/4 of 100 is 25. 25 is 1/4 of 100.

So knowing this 40/0.25 is equal to 10. This is why 0.25 of 40 is 10.

7 0
2 years ago
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