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VashaNatasha [74]
3 years ago
12

How can estimation help me to find the area of a rectangle or square

Mathematics
2 answers:
IrinaK [193]3 years ago
5 0
<span>First, I'm going to categorize the portions of the rectangle. The red portions are grid squares that are completely enclosed by the rectangle, the green portions are the corners and finally the blue regions are the edges. 
</span>
Sonbull [250]3 years ago
5 0
How it can help is if you have one side of a rectangle like 4.2342323332 and you had to multiply it by 2.8493844, that would be too hard so you could just make it into 4x2 which equals 8
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The manufacturer of widgets spends $5 to make each widget and sells them for $8. The manufacturer also has fixed costs each mont
Minchanka [31]

Answer:

400

Step-by-step explanation:

The manufacturer spends $5 to make each widget and sells them for $8.  This means that each widget gives him a profit of $3.

8 - 5 = 3

You need to figure out how many widgets it will take for the manufacturer to make up for the costs each month ($1200).

3x = 1200

(3x)/3 = 1200/3

x = 400

The manufacturer needs to sell 400 widgets.

3 0
3 years ago
Read 2 more answers
Juan has x apples and 8 oranges how many pieces of fruit does he have give your answer in terms of x
Marat540 [252]
The expression would be: x+8
The equation would be: x+8=
5 0
3 years ago
A group of 340 students travels by bus. Each bus holds 52 students. a How many buses do they need? ​
melisa1 [442]

Answer:

The required number of buses=340/52=85/13buses

Step-by-step explanation:

8 0
2 years ago
5) A submarine is cruising at -40 meters (40 meters below the surface). It
Verdich [7]

Answer:

-25

Step-by-step explanation:

You begin with -40, then decrease by 20 so your new value is -60, then increase by 35 so your final value is -25m... hope this helps (:

5 0
3 years ago
I'm doing an online course to study for a test. Can someone please explain how to do this? :(
Leona [35]
Hi there

This is how you read the question: What is the cube root of 64.
To answer this question ask yourself what number multiplied by itself three times gives you the answer 64?
1*1*1=1
2*2*2=8
3*3*3=27
4*4*4=64
YAY! that means the answer is 4. 

Hope this helps.
And you give me the brainliest answer.
Thanks
8 0
3 years ago
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