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adoni [48]
3 years ago
8

A scale on a blue print drawing of a house shows that 10 centimeters represents 2 meters. What number of actual meters are repre

sented by 18 centimeters on the blue print?
Mathematics
1 answer:
kondaur [170]3 years ago
4 0

Answer:3.6 m

Given:10cm=2m

Then, 5cm=1m

Therefore, (18/5)= lenght I'm meters on blueprint scale

(18/5)=3.6m

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Alex777 [14]

Answer:

Skewed right. btw thx have a nice day!!!!!!!!!!!!!!!

Step-by-step explanation:

6 0
3 years ago
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If 7x+2y =3 and x-3y=30, what is the value of y?<br><br><br>​
larisa [96]

Answer:

-9

Step-by-step explanation:

6 0
3 years ago
(6x - 3) - (-3x + 2)
nadezda [96]

Answer:

Step-by-step explanation:

Simplifying

6x + -3 = (3x + -2)

Reorder the terms:

-3 + 6x = (3x + -2)

Reorder the terms:

-3 + 6x = (-2 + 3x)

Remove parenthesis around (-2 + 3x)

-3 + 6x = -2 + 3x

Solving

-3 + 6x = -2 + 3x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-3x' to each side of the equation.

-3 + 6x + -3x = -2 + 3x + -3x

Combine like terms: 6x + -3x = 3x

-3 + 3x = -2 + 3x + -3x

Combine like terms: 3x + -3x = 0

-3 + 3x = -2 + 0

-3 + 3x = -2

Add '3' to each side of the equation.

-3 + 3 + 3x = -2 + 3

Combine like terms: -3 + 3 = 0

0 + 3x = -2 + 3

3x = -2 + 3

Combine like terms: -2 + 3 = 1

3x = 1

Divide each side by '3'.

x = 0.3333333333

Simplifying

x = 0.3333333333

6 0
3 years ago
Evaluate the following expression when x = 1 and y = 2 and z = 6<br><br> -3y2-4y + 5
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Answer:

-15

Step-by-step explanation:

-3(2)2-4(2)+5

-12-8+5

-20+5

5-20= -15

7 0
3 years ago
Why was it helpful in the paper ball situation helpful in the paper ball situation to rewrite the expression to determine specif
Contact [7]

Answer:

Step-by-step explanation:

I'm not sure I know what the paper ball situation is, but I can tell you that especially when working with a set formula in physics, math or chemistry (I'd include biology if I knew any biology) that it is a good idea to write down your givens.

The equation you are given is going to fall apart once you know what your givens are and what they do.

I just looked up the Paper Ball Situation. This is a wonderful piece of physics. It immediately opened up all sorts of treasures once they experimenters thought of using tin foil. Givens are a necessity in such an experiment.

4 0
3 years ago
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