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MatroZZZ [7]
3 years ago
8

An online retailer is selling used books for ​$6.49​, and you have ​$50 to spend. How many books can you buy if you must pay 6.5

​% sales tax and an additional​ 10% of the total purchase price​ (with tax) for​ shipping?
[] ​book(s)?
Mathematics
1 answer:
elena55 [62]3 years ago
4 0
× all of the number that it tell you to do
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11. What is the value of x in the figure at the right? (Examples 3 and 4)
natka813 [3]

Answer:

x = 11

Step-by-step explanation:

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  • Angles around a point add up to 360°

Therefore, 15x + 15x + 15 + 15 = 360

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\implies 30x=330

\implies x=11

6 0
3 years ago
What is the area of the trapezoid shown below?​
Olin [163]

Answer:

78 sqr units

Step-by-step explanation:

Use the Pythagorean Theorem to help find the base opposite the two.

The base of the second parallel line is sqrt(  (15^2) - (12^2)  ) = sqrt(81) = 9

The second base = 9 + 2 = 11

Area = (b1 + b2)*h/2

h = 12

b1 = 2

b2 = 11

h = 12

Area = (11 + 2)*12/2

Area = 13 * 12/2

Area = 78 square units

7 0
3 years ago
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HELP PLSSSSSSSSSSSSSSS ASAP
makvit [3.9K]

Answer:

26

Step-by-step explanation:

Sydney = x

Devaughn = 2x

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3x = 78

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x = 26

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6 0
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luda_lava [24]

For this case, we have the following expression:

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We simplify the expression:

If we add similar terms, taking into account that different signs are subtracted and the sign of the greater one is placed, we have that -3x + x = -2x

So, we have to:

-3x + x + 5 = -2x + 5

Answer:

-3x + x + 5 = -2x + 5

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3 years ago
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