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SVETLANKA909090 [29]
3 years ago
5

Joy earns $90.00 a month babysitting. She saves 15% of the money and is able to spend the rest. How much money does she save a m

onth? (PLEASE SHOW STEPS!!)
Mathematics
1 answer:
alisha [4.7K]3 years ago
4 0
You have 90 and you have 15%

so you have to subtract 90 and 15%
 
90-15%=76.5

she puts $13.50 in savings and is able to spend $76.5
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Answer:

For instance, say you pay $8,000 for goods and sell them for $10,000. Your gross profit is $2,000. Divide this figure by the total revenue to get your gross profit margin: 0.2. Multiply this figure by 100 to get your gross profit margin percentage: 20 percent.

Step-by-step explanation:

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P(-3,6), Q(-3,-6) and R(6,-2) are the vertices of a triangle. Calculate the perimeter of this triangle.​
Eva8 [605]

Answer:

33.89

Step-by-step explanation:

the side lengths are the distances between the corner points of the triangle.

P and Q have the same x value, and they therefore create a side parallel to the y-axis. and it is easy to find the length of this side : it is just the difference of the y values.

PQ = 6 - (-6) = 6 + 6 = 12

QR and RP are trickier.

we need Pythagoras to calculate the length of the direct connection between these points as the Hypotenuse of the right triangles with the differences in x and in y values as the other sides.

QR :

QR² = (-3 - 6)² + (-6 - -2)² = (-9)² + (-4)² = 81 + 16 = 97

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RP :

RP² = (6 - -3)² + (-2 - 6)² = 9² + (-8)² = 81 + 64 = 145

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the perimeter/circumference of the triangle is the sum of all 3 sides

= 12 + sqrt(97) + sqrt(145) ≈ 33.89

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pshichka [43]

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Both rectangles and squares have four sides of equal length

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A linear function can have its domain restricted to discrete values. The resulting graph will be of points that would lie on a line.

Yes, a discrete graph can be linear.

6 0
3 years ago
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