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wlad13 [49]
3 years ago
5

Describe the three basic uses of percentages. Give a sample statement that uses percentages in each of the three ways. What is o

ne way to use​ percentages?
Mathematics
1 answer:
nadezda [96]3 years ago
4 0
Percentages can be used for discounts in shops - 50% off cookies
For bank interest rates - 2.78% p.a.
Sales tax - $50 coffee maker and the sales tax is 8%
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3 bananas and 1 apple cost £2.45 <br> 1 apple costs £0.35 <br> How much does 1 banana cost?
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$2.10 hope this helps
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Which operation would isolate the variable in this equation?
Blababa [14]

Answer:

D. Divide both sides by - 8

Step-by-step explanation:

-8x = 312

x = 312/(-8)

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What times what equals 72
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Your answer is 36 times 2
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Given the system of inequalities below: -3x - y &lt; 12 2x + 3y ≥ 9 Give the coordinates of three points that are members of the
earnstyle [38]

Answer:

The coordinates of the points that are members of the solution set

(-3,7), (0,4) and (2,3)

Step-by-step explanation:

we have

-3x-y< 12 ----> inequality A

The solution of the inequality A is the shaded area above the dashed line

2x+3y\geq 9 ----> inequality B

The solution of the inequality B is the shaded area above the solid line

The solution of the system of inequalities is the shaded area between the dashed line and the solid line

see the attached figure

Remember that,

If a ordered pair is a solution of the system of inequalities, then the ordered pair must be in the shaded area of the solution

Plot the points

(-3, 7), (-3, -7), (3,-7), (-4,-0), (0,-4), (0,4), (2,3), (-2,3), (2,-3)

therefore

The coordinates of the points that are members of the solution set

(-3,7), (0,4) and (2,3)

3 0
3 years ago
If ABC is a right triangle, and m∠A=40º, what are possible measures for B and C? (I forgot the screenshot so sowy ;w;*
Lapatulllka [165]
There is many answers to this question but angle B and C have to add up to 140 so angle B and C could both be 70 that should work
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