3 years ago

14 is 12 1/2% of what number?

Mathematics

1 answer:

sukhopar [10]3 years ago

7 0

Answer:

112

Step-by-step explanation:

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The triangle is

Step-by-step explanation:

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2 years ago

Lance and Alex have 70 pencils. Lance has 4 times as many pencils as Alex. Alex's pencils are shared equally among 2 children. H

gogolik [260]

let l = lance, and a = alex.

so: l + a = 70

and l = 4a

Putting the value for l in the first equation:

4a +a = 70

5a = 70

a = 14.

So Alex has 14 pencils. And Lance has (70-14) 56 pencils.

And if each child gets half of Alex' pencils, then each child will have 7 pencils.

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3 years ago

What is 56,902 in expanded form?

mariarad [96]

56,900 but I'm only 50% sure I don't know about the other 50% sorry If its wrong.

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3 years ago

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Express (2-I) - (-1+3i) in the form of a + ib.

oksian1 [2.3K]

Answer:

$=3-4i$

Step-by-step explanation:

So we have:

$(2-i)-(-1+3i)$

First, distribute:

$=(2-i)+1-3i$

Combine like terms:

$=-i-3i+2+1$

Add:

$=-4i+3$

So, in the a+bi format, we will have:

$=3-4i$

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3 years ago

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7x^2 +2× when x = 3?

borishaifa [10]

Answer:

7(3^2) + 2(3).

That equals to 7(9) + 2(3).

That equals to 63 + 6.

That finally equals to 69.

Step-by-step explanation:

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3 years ago

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