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3 years ago

What is 13 divided by 3

Mathematics

1 answer:

Julli [10]3 years ago

5 0

13 ÷ 3 is 4.333333333333333333..................

hope i helped!!!! :)

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Someone please help me please.

8_murik_8 [283]

X equals -1.
y equals -9
simply plug 5x-4 into 7x-3y=20.
which is 7x-3(5x-4)=20

8 0

3 years ago

Quick help !!

Talja [164]

I hope this helps you

7 0

3 years ago

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Marley has 5 dollars 11 dimes and 20 pennies + 20 dollars 13 dimes and 40 pennies how much money does Marley have?

castortr0y [4]

22 dollars and d85 cents hope i could help

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4 years ago

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If the cost of an item increased by a percentage and decreased by the same percentage, what would that percentage be if the new

Orlov [11]

The percentage, if the new cost was 84% of the original is 40%

Let the cost of the item be x.

When the price increased by y%, the new price is:

$New =x \times (1 + y\%)$

When the price decreased by the same percentage (i.e. y%), the new price is:

$New =x \times (1 + y\%) \times (1 - y\%)$

The cost is said to be 84% of the original price.

So, we have:

$x \times (1 + y\%) \times (1 - y\%) =84\% \times x$

Divide both sides by x

$(1 + y\%) \times (1 - y\%) =84\%$

Apply the difference of two squares

$1 - (y\%)^2 =84\% \\\\$

Subtract 1 from both sides of the equation

$- (y\%)^2 =-16\%$

Cancel out the common factors

$(y\%)^2 =16\%$

Take the square root of both sides

$y\% =0.4$

Multiply both sides by 100

$y =40$

Hence, the percentage is 40%

Read more about percentage change at:

brainly.com/question/809966

8 0

3 years ago

a bag contains 5 red marbles 4 blue marbles and 6 yellow marbles if 3 marbles are selected in succession what is the probability

Alex

Answer:

5/243

Step-by-step explanation:

4/18 × 6/18 × 5/18 = 5/243

I think

6 0

4 years ago