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2 years ago

40 kg to 32 kg as a fraction

Mathematics

2 answers:

user100 [1]2 years ago

8 0

hope it helps you

keep learning more

frez [133]2 years ago

3 0

Answer:

18/25...............

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Aaron wants to mulch his garden. His garden is x^2+18x+81 ft^2 One bag of mulch covers x^2-81 ft^2 . Divide the expressions and

blsea [12.9K]

Answer:

Step-by-step explanation:

Given

Garden: $x^2+18x+81$

One Bag: $x^2 - 81$

Requires

Determine the number of bags to cover the whole garden

This is calculated as thus;

$Bags = \frac{x^2+18x+81}{x^2 - 81}$

Expand the numerator

$Bags = \frac{x^2+9x+9x+81}{x^2 - 81}$

$Bags = \frac{x(x+9)+9(x+9)}{x^2 - 81}$

$Bags = \frac{(x+9)(x+9)}{x^2 - 81}$

Express 81 as 9²

$Bags = \frac{(x+9)(x+9)}{x^2 - 9\²}$

Evaluate as difference of two squares

$Bags = \frac{(x+9)(x+9)}{(x - 9)(x+9)}$

$Bags = \frac{(x+9)}{(x - 9)}$

Hence, the number of bags is $Bags = \frac{(x+9)}{(x - 9)}$

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3 years ago

How many degrees would you need to rotate a figure for the image to coincide with the preimage

trasher [3.6K]

160 degrees or 180 degrees

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3 years ago

Please help with khan academy!

sergiy2304 [10]

Answer:

Let's imagine the image of the zoo.

The diameter is basically the length of the circle.

The penguin swam the radius.

To find the radius, we need to divide the diameter by 2.

The diameter is 20 meters.

20 $\div$ 2 = 10 meters.

2 x pi x 10 = 62.83185307

62.83185307/2 = 31.41592654

Answer = 31.41592654

6 0

2 years ago

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Look at the picture w<br>

Amiraneli [1.4K]

correct answer is -2(9+32n)

7 0

3 years ago

How do you write quotient 1,152 as an equation

timofeeve [1]

First we will divide. Lets do it:-

1152 ÷ 2 = 576.

Now we will check our work:-

576 × 2 = 1152.

So, the quotient 1152 as an equation is:- 1152 ÷ 2 = ?.

Hope I helped ya!!

6 0

2 years ago

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