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aliya0001 [1]
3 years ago
5

Any pointers on how to solve (-124) + 25 + (-87)

Mathematics
1 answer:
Elena-2011 [213]3 years ago
8 0

|-124| + 25 + |-87|

124+25+87

236

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A demographer is investigating various populations to find out how they use resources. She wants to select the population that u
horrorfan [7]

Answer:

She should select an industrial society (industrial population)

Step-by-step explanation:

An industrial society is a society that owes its operations to the use of technology which supports human usage of resources that allows high production turnouts.

An industrial society has high liking le preference for large population with a high capacity for external energy sources (e.g.fossil fuels) which in directly or indirectly increases the rate which resources are being used and also scale of production.

The resources could be human (labour) natural resources such as water, air, coal, natural gas, coal, etc. and it could also be technology advancements.

7 0
3 years ago
A right triangle has legs that are 11 inches and 13 inches long.What is the area of the triangle?
Citrus2011 [14]
Just use your right angled triangle formula.

A=\frac{ab}{2}

Plug n chug 

A=\frac{11*13}{2}
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5 0
3 years ago
For every 3 wrapped packages Mary uses 1/2 roll of wrapping paper how many packages can she wrap with 2 1/2 rolls of wrapping pa
8_murik_8 [283]

Answer:

15 packages

Step-by-step explanation:

Set up a proportion, where x is the number of packages she can wrap with 2.5 rolls of wrapping paper:

\frac{3}{0.5} = \frac{x}{2.5}

Cross multiply and solve for x:

0.5x = 7.5

x = 15

So, with 2.5 rolls of wrapping paper, she can wrap 15 packages

8 0
3 years ago
Please answer!! I tried doing it myself and it didn’t work. Again pls answer! Rewards are 20 points
Damm [24]

Answer:-45

Step-by-step explanation:this is how I do it: draw a line in the middle of the equal sign. Now its split in two parts. Do the opposite operation on the left side, so minus 6 from the left AND the right. Now it equals to y/3 = -15. Now times each side by 3 so the y stands alone. -15 times 3 equals -45. Y = -45. Sorry it's kinda hard to explain!

4 0
3 years ago
Read 2 more answers
Carson bought 2.5 pounds of gummy bears for $2.75 per pound. How much did he spend on gummy bears? (Round your answer to the nea
Amanda [17]
Since this number has a decimal. Break the answer apart. 2.75•2=$5.50. That would be for two pounds. For another additional 0.5 pounds, you would divide $2.75/2= 1.375. This would be rounded up to 1.38. Now you add 5.50+1.38=$6.88
5 0
3 years ago
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