3 years ago

Circle groups to show 3(23)

Mathematics

1 answer:

strojnjashka [21]3 years ago

6 0

Circle a 2 by 3 area (6 squares) on the array. 0 0 0
0 0 0

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a scale drawing of a building needs to be made using the scale 1 in = 190 ft. how tall will the builging in the scale drawing be

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$\boxed{\text{3 in}}$

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1 in = 190 ft

x in = 570 ft

We can use ratio and proportion to solve this problem.

$\begin{array}{cccl}\dfrac{1}{x} & = & \dfrac{190}{570} & \\\\570 & = & 190x & \text{Mutiplied by lowest common denominator (570x)}\\3 & = & x & \text{Divided each side by 3}\\\end{array}$

The building will be $\boxed{\textbf{3 in}}$ tall in the scale drawing.

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3 years ago

Half the difference between two numbers is 2. The sum of the

leva [86]

Answer:

as below

Step-by-step explanation:

1st the difference is 4 b/c half of 4 = 2

and

2*smaller +greater = 13

so check out small number that are 4 apart.. like 2 and 6

2(2)+6 =10

2(3) +7 = 13 aahh hah.. that's it

3 and 7 are the numbers being hunted :P

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2 years ago

Circle groups to show 3*(2*3)

Circle groups to show 3(23)