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Digiron [165]
3 years ago
8

I need help number 13 and 14, how can I find x?

Mathematics
1 answer:
Alex73 [517]3 years ago
7 0
#13.
x = 50

#14
x = 142
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A dress cost twice as much as a skirt. Mom bought 3 dresses and 2 skirts. She gave the cashier $1000 and received $300 in change
defon

Answer:

$175 = Cost of single dress

Step-by-step explanation:

It is provided that cost of dress is twice that of a skirt.

Let say, cost of skirt = x

Total things bought 3 dresses and 2 skirts.

Cost of single dress = 2x

Cost of all items = 3 \times 2x + 2 \times x = $1,000 - $300 = $700

6x + 2x = $700

x = 700/8 = $87.50

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3 years ago
The figure below shows a square ABCD and an equilateral triangle DPC:
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Answer:

Which of the following completes Ted's proof?

In square ABCD; angle ADC = angle BCD

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2 years ago
Plz help and explain how you did anything will help.. thanks :)
sergejj [24]

Answer:

1/2 inch

Step-by-step explanation:

The area of a rectangle is the product of its length and width. So, the length and width of the photo will give a product of 24 when they are multiplied together.

One set of factors of 24 is 4 and 6, each of which is 1 unit less than the 5 and 7 dimensions of the paper on which the photo is printed. Hence a 1/2-inch border all around will result in a printed photo that is 4x6 on a 5x7 piece of paper.

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The border is 1/2 inch wide.

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3 years ago
J = d + 7
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Answer:

2

Step-by-step explanation:

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What's a² + 2a + 2 - a² + 5a?
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Answer:

<h2>7a +2.........................</h2>
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3 years ago
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