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Akimi4 [234]
2 years ago
7

Jack buys a tablet that costs $99 and a memory card that costs $15. He has a coupon for a 15% discount. What is the amount of th

e discount on the two items?
Mathematics
1 answer:
Gala2k [10]2 years ago
7 0
It would be $84.15 for the tablet and $12.75 for the memory card, so $14.85 off on the tablet and $2.25 off on the card. I hope this helps!
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Each vertical cross-section of the triangular prism shown below is an isosceles triangle.
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Answer:

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Step-by-step explanation:

4.24 x 4.24 x 6

Right triangle base = a + b + c

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= a^2 + 9                             = 17.98

We cross out b to subtract.

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We then square         √a^2 = √8.98

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We have found the height is 3

5 0
2 years ago
In the xy plane, a quadrilateral has vertices at (-1, 4), (7,4), (7,5), and (-1. 5). What is the perimeter of the quadrilateral?
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Answer:

(B) 18.

Step-by-step explanation:

We are asked to find the perimeter of a quadrilateral with vertices at (-1, 4), (7,4), (7,5), and (-1. 5).

First of all, we will draw vertices of quadrilateral on coordinate plane and connect the vertices as shown in the attached photo.

We can see that our quadrilateral is a parallelogram, whose parallel sides are equal.

\text{Perimeter of quadrilateral}=8+1+8+1

\text{Perimeter of quadrilateral}=16+2

\text{Perimeter of quadrilateral}=18

Therefore, the perimeter of the given quadrilateral is 18 units.

8 0
2 years ago
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