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2 years ago

What is the answer to this thing?

Mathematics

1 answer:

olganol [36]2 years ago

6 0

Answer:

area=108

Step-by-step explanation:

length times width

8x6=48

10x4=40

5x4=20

---------

Add them all together 48+40+20 =108

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It is given that y is inversely proportional to the square of x and that y=48 when x=<img src="https://tex.z-dn.net/?f=%5Cfrac%7

Anna [14]

Answer:

$a. y = 12\times \frac{1}{x^2} \\b. x = 2 , when \ y =3$

Step-by-step explanation:

$y \ is\ inversely \ proportional \ to \ square \ of \ x \ means , y \ \alpha \ \frac{1}{x^2}$

$Therefore, y = k \times \frac{1}{x^2}$

Given y = 48, x = 1/2. We will find k.

$y = k \times \frac{1}{x^2}\\\\48 = k \times \frac{1}{\frac{1}{4}}}\\\\k = 48 \times \frac{1}{4} =12$

Find x.

$y = k \times \frac{1}{x^2} \\\\3 = 12 \times \frac{1}{x^2}\\\\\frac{3}{12} = \frac{1}{x^2}\\\\x^2 = \frac{12}{3}\\\\x^2 = 4 \\\\x = 2$

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2 years ago

I want to read 4 books over the next month. My bookshelf has 12 different books. In how many ways can I choose which books to re

shusha [124]

Answer:

Step-by-step explanation:

You are going to choose 4 books in any order.

Four = 12! /(8!4!) Remember that order doesn't matter, so we have 12C4

495

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3 years ago

Trudy works at a job centre.

denpristay [2]

<span>To solve the problem, to 40% of the total customer should be solve. And this can be solve by muliplting it by the fraction (0.4). so 140 x 0.4 = 56 customers. Since Trudy has already 60 of her sutomers job ready then she met her target.</span>

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3 years ago

which method for comparing fractions were you unaware of before reading? use it to compare 2/3 and 3/4

wolverine [178]

Good morning

______

Answer:

2/3 < 3/4

___________________

Step-by-step explanation:

2/3 = (2*4)/(3*4)=8/12

3/4 = (3*3)/(4*3)=9/12

Since 9/12>8/12 then 3/4>2/3

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3 years ago

Standred from and word from

Orlov [11]

Thrirty-two million,five thousand,and eight.

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3 years ago

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