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AfilCa [17]
3 years ago
10

How do you estimate an area?

Mathematics
2 answers:
jeka943 years ago
8 0
Put the numbers into a way that you can easily answer in your head. 47*63 40*70
adell [148]3 years ago
4 0
You calculate an answer by multiplying each side by each other. hope this helps.
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Simplify 2.67 + (−8.9).
OlgaM077 [116]

Answer:

-6.23 is the answer

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6 0
2 years ago
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Write 1.5% as a fraction.
TiliK225 [7]
15/1000 is your answer
4 0
3 years ago
Find the area. Simplify your answer.<br> X+4<br> 2x
sattari [20]

Answer:

x² +4x

Step-by-step explanation:

Area of triangle= ½ ×base ×height

Given: base= 2x, height= x +4

Area of triangle

= ½(2x)(x +4)

= x(x +4)

= x(x) +x(4) <em>(</em><em>expand)</em>

= x² +4x

7 0
3 years ago
Simplify: 1(-3.86 + 6.82)| + |(4.02 - 12.45)||
Yuki888 [10]

Answer:

11.39

Step-by-step explanation:

-3.86+6.82=2.96

abs(2.96)=2.96

----------------------

4.02-12.45=-8.43

abs(-8.43)=8.43

-----------------------

1(2.96)+8.43=2.96+8.43=11.39

6 0
3 years ago
Is (-1, 2) a solution?
Anni [7]

Answer:

It can be an answer to many things.

Step-by-step explanation:

There needs to be some sort of picture or other item to explain what is going on.

7 0
3 years ago
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