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labwork [276]
2 years ago
7

The salesperson says that her commission is 8 1/2 % of the selling price.

Mathematics
1 answer:
FinnZ [79.3K]2 years ago
3 0

Answer:

$44.63

Step-by-step explanation:

8.5% of 525 = 0.085 × 525 = 44.625 = $44.63

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On Friday night 225 people saw the dinosaur exhibit at the museum this amount represents 20% of the people who visited the museu
Igoryamba
20 %  = 225
1%  =  225 / 20
100% =  225 * 100 / 20
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8 0
3 years ago
When y=_7, find the value of 2y2- 9
topjm [15]

2x(-7)^2-9 = 2x49-9=98-9=89 maybe

7 0
2 years ago
fifteen out of the 60 eighth-graders at sebring junior high are on the track team. what percent of the eight-graders are on the
allsm [11]

Answer:

25%

Step-by-step explanation:

You have 60 total, 30 on the track team would be 50%,  but there is only 15 on the track them, you cut the 50% in half again which gives 25%.

8 0
3 years ago
How many times do 4896 go into 48?
EleoNora [17]
If you are asking how many times 48 goes into 4896 it is 102

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hopefully it helps ;)
4 0
3 years ago
Write the quadratic equation whose roots are -2 and 1, and whose leading coefficient is 4 .
Kaylis [27]

Answer: the equation is

4x^2 + 4x - 12

Step-by-step explanation:

A quadratic equation is an equation in which the highest power of the unknown is 2.

The general form of a quadratic equation is expressed as

ax^2 + bx + c

Where

a is the leading coefficient

c is a constant

Assuming we want to write the quadratic equation in x, from the information given, the roots which are given are -2 and 1 and the leading coefficient is 4.

Therefore, the linear factors of the quadratic equation will be (x+2) and (x-1)

the equation becomes

(x+2)(x-1)

= x^2 - x +2x - 3

= x^2 + x - 3

Given a leading coefficient of 4, we will multiply the quadratic expression by 4. It becomes

4(x^2 + x - 3)

= 4x^2 + 4x - 12

7 0
3 years ago
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