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galina1969 [7]
3 years ago
8

LeAnn wants to giftwrap a present she got for her little brother. How many square inches of giftwrap will be needed to cover a b

ox that is 5in x 7in x 3in?

Mathematics
2 answers:
Step2247 [10]3 years ago
6 0
Posted a picture showing the solution. Everything is on it, including calculations.
The answer is 142 square inches (or 142 in.^2) same thing.

Hope this helps!

Shtirlitz [24]3 years ago
5 0

6 sides to a cube

 2 are 5*3 = 15*2 = 30

2 are 5*7 = 35*2=70

2 are 3*7 = 21*2=42

30+70+42 = 142 square inches total area

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<span>The equation that shows the cost of a mix of Arabica and Robusta beans is: 700 A + 1,200 R = 1,000,000. We know that a mixture contains 1,000 pounds of Arabica beans ( A = 1,000 ). So: 700 * 1,000 + 1,200 R= 1,000,000; 700,000 + 1,200 R = 1,000,000 ; 1,200 R = 1,000,000 - 700,000 ; 1,200 R = 300,000 ; R = 300,000 : 1,200 ; R = 250. Answer: There should be: R = 250 pounds.</span>
4 0
3 years ago
What is the value of n in the equation 2.3 × 10 9power = (1 × 10 3power)(2.3 × 10n)
Amanda [17]
Hello,

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Faith xoxo
7 0
3 years ago
I can’t explain look at picture
const2013 [10]

Answer:

x = 12.48

y = 13.22

Step-by-step explanation

Im not sure if its correct

10^2 + b^2 = 16^2

100 + b^2 = 256

b^2 = √156

b = 12.48

b= 12 ( If needed to round to the nearest whole number)

a^2 + 15^2 = 20^2

a^2 + 225 = 400

a^2 = √175

a = 13.22

a = 13 ( If needed to round to nearest whole number)

3 0
3 years ago
What is this?<br><br> :) Help Plz!!!
Eduardwww [97]
Im 70% sure its blue x=1,x=-5/2

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3 0
3 years ago
Wastewater is filling barrels at the rate of 11 quarts per hour. The recycling facility picks up 120 full barrels on each trip,
Tpy6a [65]
11×24=quarts per day. That's 264.
264/12=full barrels per day. That's 22.
120/22=frequency of pick ups. That's 5.45. So the barrels get picked up every 5 and a half days.
7 0
3 years ago
Read 2 more answers
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