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3 years ago

What is expanded form

2 answers:

Nookie1986 [14]3 years ago

8 0

It like a number and you have to develop in different ways.
like for an example;
7364

and you have to expanded the number or develop
7000 + 300 + 60 + 4 = 7364

in many ways or different ways.

liq [111]3 years ago

5 0

Expanded form is a way to write numbers by adding the value of its digits.

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Rzqust [24]

Answer:

340 - 25 = 315

315/45 = 7

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2 years ago

From a group of six people, two individuals are to be selected at random. how many possible selections are there

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3 years ago

In a survey of 3400 people asked about their ice cream preference, 1600 enjoyed chocolate, 1250 enjoyedvanilla, 1700 enjoyed min

velikii [3]

Answer:

Step-by-step explanation:

To understand the situations we must do a Venn diagram:

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1 year ago

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3 years ago

How many liters of 60% alcohol solution should be added to 40 liters of a 20% alcohol solution to make a 50% solution?

kolbaska11 [484]

Answer:

120 liters of 60% alcohol solution is needed

Step-by-step explanation:

Let's assume

x liters of 60% alcohol solution is added

so, we get solution as

$=\frac{60}{100}\times x$

$=0.6x$

we are given

40 liters of a 20% alcohol solution is

$=40\times\frac{20}{100}$

$=8$

so, total alcohol solution is

$=8+0.6x$

now, we can find total solutions

total solutions is

$=x+40$

now, it is making 50% solution

so, we get

$\frac{8+0.6x}{x+40} =\frac{50}{100}$

now, we can solve for x

$\left(8+0.6x\right)\cdot \:100=\left(x+40\right)\cdot \:50$

$800+60x=50x+2000$

$10x=1200$

$x=120$

So,

120 liters of 60% alcohol solution is needed

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2 years ago