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3 years ago

The complement of the markup rate based on selling price is the percent of _____ based on selling price.

Mathematics

2 answers:

mezya [45]3 years ago

4 0

Is it multiple choice? If so, leave the answer choices.

BaLLatris [955]3 years ago

4 0

Answer:

COST

Step-by-step explanation:

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Find a122 of the sequence 5, 8, 11

ruslelena [56]

5, 8, 11, ... is an arithmetic sequence where:

$a_1=5;\ a_2=8;\ d=8-5=3\\\\a_n=a_1+(n-1)d\to a_n=5+(n-1)\cdot3=5+3n-3=2+3n\\\\therefore\\\\a_{122}=2+3\cdot122=2+366=368$

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3 years ago

Perform the following calculation.<br><br> 1+1=___<br><br> Thanks for the help.

Goryan [66]

Answer:

1+1=_2_

Step-by-step explanation:

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3 years ago

How to factor 2n^2+3n-9 without splitting the middle term

kozerog [31]

$2n^2+3n-9= \\\\ a=2 \\ b=3 \\ c=-9 \\\\ \Delta= 3^2-4*2*(-9)=9+72\to\boxed{81} \\\\ x_1;x_2=\frac{-3 +\-\sqrt{81}}{2*2}= \frac{-3+/- 9}{4} \\\\ x_1=\frac{-3+9}{4}=\frac{6}{4}\to\boxed{\frac{3}{2}} \\\\ x_2=\frac{-3-9}{4}=\frac{-12}{4}\to\boxed{-4} \\\\ 2n^2+3n-9=(x-\frac{3}{2})(\x+4)$

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3 years ago

What are the solutions of 12 - x2 = 0?

tester [92]

Answer:

±2 sqrt(3) =x

Step-by-step explanation:

12 - x^2 = 0

Add x^2 to each side

12 - x^2 + x^2 = x^2

12 = x^2

Take the square root of each side

±sqrt(12) = sqrt(x^2)

±sqrt(4*3) = sqrt(x^2)

±sqrt(4) sqrt(3) = x

±2 sqrt(3) =x

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3 years ago

Read 2 more answers

Can anyone help with problem 9.9 in the middle pls

ELEN [110]

Answer:

Angle 1: 53

Angle 2: 72

Angle 3: 55

Angle 4: 127

Angle 5: 53

Angle 6: 66

Angle 7: 125

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3 years ago