Who procrastinates to study✋

Mathematics

1 answer:

IrinaK [193]3 years ago

5 0

Hi There! :)

Who procrastinates to study

ME!!!!

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so if i have 2 brands of fruit snacks and one of them costs 48.60 and the other brand is 40.15 which brand cost less per pound

Lynna [10]

Answer: 40.15

Step-by-step explanation: 40.15 IS LESS THEN 48.60

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3 years ago

If mn, solve for x. (3x + 9) (x + 21)

Sloan [31]

3x. + 63x + 9x + 189

Step-by-step explanation:

Use distributive law, in other words multiply the first bracket terms by the second bracket terms 

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3 years ago

If 4x^2 - 100 = 0, the roots of the equation are

ololo11 [35]

$4x^2-100=0 \ \ \ \ \ \ |+100 \\
4x^2=100 \ \ \ \ \ \ \ \ \ \ \ |\div 4 \\
x^2=25 \\
x=\pm \sqrt{25} \\
x=\pm 5 \\
x=-5 \hbox{ or } x=5$

The answer is (3) -5 and 5.

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3 years ago

If a over 2 equals b over 3 then b over a equals what?

ikadub [295]

A/2=b/3
b/a
a=2/3b
b=3/2a
4b/9a

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3 years ago

In 5 years' time, Kate's father will be 3 times as old as Kate. Four years ago, her father

Brut [27]

Answer: Kate = 40/3 Her father = 50

Step-by-step explanation:

Let Kate's age in the present be K

And Kate's father's age in the present be F

3(K+5) = F+5

6(K-6) = F-6

Rearrange the first equation to get

3K+15 = F+5

3K+10 = F

Substitute that into the second question

6K-36 = 3K+10-6

3K = 40

K = 40/3

So F = 3*40/3+10 = 50

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2 years ago