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siniylev [52]
3 years ago
15

Express 40 as a percentage 50

Mathematics
1 answer:
AlexFokin [52]3 years ago
4 0

Answer:

80%

Step-by-step explanation:

  • Step 1: Divide 40 by 50 to get the number as a decimal. 40 / 50 = 0.8

  • Step 2: Multiply 0.8 by 100. 0.8 times 100 = 80. That's all there is to it!
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Exponents!
sweet [91]
We know that:

x^{a+b}=x^a\cdot x^b

and:

(x\cdot y)^a=x^a\cdot y^a

so:

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4 0
3 years ago
The campsite shop sells boxes of Funshine Cereal.
mash [69]
There are 10 mm in 1 cm, so 180 mm is really just 18cm and 60 mm is just 6cm.

so how much area each box's base takes up?   18x6 centimeters, or 108cm.

the shelf is a 65x35 so is 2275 centimeters in available area.

how many times does 108 go into 2275?  well, 2275/108, that many would fit in the shelf
7 0
4 years ago
Read 2 more answers
The radius of a semi-circle measures 5<br> units. Find its area.
shutvik [7]

Answer:

≈39.27 units

Step-by-step explanation:

To find the area of a semi circle, you use the formula for finding the area of a circle, which is \pir^{2}, and then you divide that by 2 since it is half of a circle.

In this case, \pi(5)^{2} ≈ 78.54

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8 0
3 years ago
What is 32 = 3.2c so what is the letter c
Elena-2011 [213]
Whatever you do to one side, you have to do to the other.
32=3.2c
We need c by itself, so we need to divide both sides by 3.2.
32/3.2=10
C=10
Let’s make sure c equals ten by putting in ten for c.
3.2(10)=32
32=32
C=10
4 0
3 years ago
Read 2 more answers
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