3 years ago

Anyone know number 4 and how to do it?

Mathematics

1 answer:

dem82 [27]3 years ago

4 0

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I am 21 years old my father is 3 times my age how old eill i be when my father is 40

DENIUS [597]

Answer:

Well the answer is 13.3 so 13 years old

Step-by-step explanation:

(F,Y) = (63,21)

Y3=F so F/3=y

F= 40

Y=?

40/3=Y

40/3=13.3

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Check the picture below.

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4 years ago

Twice the difference of a number and 3 equals 2 use the variable c for the unknown number.

Lesechka [4]

The number is 4

Step-by-step explanation:

First of all we have to convert the given statement in mathematical form.

Let c be the number then according to given statement

$2(c-3) = 2$

We have to isolate the variable in the equation

Dividing both sides by 2

$\frac{2(c-3)}{2} = \frac{2}{2}\\c-3 = 1$

Adding 3 on both sides

$c-3+3 = 1+3\\c = 4$

Hence,

The number is 4

Keywords: Linear equation, variables

Learn more about linear equation at:

#LearnwithBrainly

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4 years ago

Violet and Toby deposit money into their savings accounts at the end of each month. The table shows the account balances. If the

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Answer:

A is correct

Step-by-step explanation:

Because if you imagine a number for Toby like 720. His would double while violet's will only go by 20

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