3 years ago

Would a scale factor of -2 be considered an expansion or a contraction?

1 answer:

6 0

Scale factors of negative numbers are contractions

scale factors of numbers greater then 1 are expansions
scale factors of numbers greater then 0 but less then 1 are contractions

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Solve : x + 1/2 + x + 2/3 − x + 3/4 = 2

valentinak56 [21]

Answer:

x= 1 7/12

Step-by-step explanation:

x+1/2+x+2/3-x+3/4=2

1. We know that x+x-x=x

2. 1/2+2/3-3/4=6/12+8/12-9/12=5/12

3. x+5/12=2

4. x=2-5/12

x=1 7/12

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3 years ago

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O Destiny has read -2b + 78 pages in a book that has 10b + 3 pages in all. She has 12b - 75 pages left to read. true or false

Gemiola [76]

Answer:

True

Step-by-step explanation:

The pages left = total pages - the pages read

(10b + 3) - (-2b +78)

10b + 2b + 3 - 78

12b - 75

The pages left is equal to 12b - 75

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2 years ago

A 12 foot ladder is placed against the side of the building. The base of the ladder is placed at an angle of 68° with the ground

3241004551 [841]

Answer:

Step-by-step explanation:

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3 years ago

5y(2x−3)=y(x+2)+20 where x=3

Feliz [49]

Here x=3
so, putting 3 instead of x
$5y(2(3)-3)=y(3+2)+20 \\ 5y(3)=5y+20 \\ 15y-5y=20 \\ 10y=20 \\ y=20/10=2$

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Joel is making sauces at his restaurant.He has 8 gallons of chicken broth. He puts it into 5 pots so each has the same amount. H

GarryVolchara [31]

Answer:1 r3

Step-by-step explanation:8 Divided by five

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