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Klio2033 [76]
3 years ago
11

Diana brought 8 3/5 yards of blue velvet material for a dress and coat. She used 3 4/5 yards on the coat. How much is left for t

he dress?
Mathematics
1 answer:
NISA [10]3 years ago
7 0

Answer:

4 4/5 yards are left

Step-by-step explanation:

7 8/5-3 4/5

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A map of the world has a perimeter of 24 feet. It’s area is 32 square feet. What are the dimensions of the map?
mojhsa [17]

The dimensions of the map are 8 feet × 4 feet

Step-by-step explanation:

Step 1; It is given that the perimeter of the map is 24 feet while the area is 32 square feet. The map is in the shape of a rectangle so we need to calculate its length and its width of this rectangle. The area of any particular rectangle is given by the multiplication of its length with width. The perimeter is given by double the value of the sum of its length and width.

Step 2; Equating these we get

Perimeter = 2 (l + w) = 24 feet

Area = l × w = 32 feet.

From the perimeter formula, (l + w) = \frac{24}{2} = 12

So we have (l + w) = 12 while l × w = 32.

Step 3; Possible values of l and w are

(1 ,11), (2, 10), (3, 9), (4, 8), (5, 7), (6, 6), (7, 5), (8, 4), (9, 3), (10, 2) and (11, 1).

Out of these possibilities only (4, 8) and (8, 4) give a product of 32 but since l is greater than w we have the value of l as 8 feet while w is 4 feet.

5 0
3 years ago
What is the slope of the line that passes through these points in decimal form
mestny [16]

Answer:

-1.25

Step-by-step explanation:

(3,8)   (7,3)

(8-3)/(3-7)= 5/-4= -1.23

FYI: watch some videos on Khan academy on finding slope

4 0
2 years ago
A spinner has three sections. The table shows the results of spinning the arrow on the spinner 80 times.
lukranit [14]
The answer is very simple.
Just divide 36 by 80. 
36/80 = .45
turn .45 into a percent.
There is a %45 chance that it will land on section 2.
4 0
3 years ago
Read 2 more answers
Simplify: (-3y5)3 <br>-9y8 <br>-9y15<br> -27y8 <br>-27y15​
Amiraneli [1.4K]

Answer:

(-3y5)3

-9y15

Step-by-step explanation:

prove me wrong

6 0
3 years ago
$25;300%increse percent change
Korolek [52]


well and 300% increase means you multiply by 3 and then add the original number


in this case 300% of 25 is 75 and its an increase so 25+75=100

the answer is 100

4 0
3 years ago
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