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o-na [289]
3 years ago
5

A tree is 2 feet tall in 2010 and 5 feet tall in 2012. What is the rate of change ?

Mathematics
1 answer:
jonny [76]3 years ago
7 0
One point five feet per year
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3(a + 4) – 5(a – 2) = 22
nekit [7.7K]

\text {Hey! Let's Solve this Problem!}

\text {\underline {The First Step is to Simplify}}

\text {3*a=3a \rightarrow {3*4=12}}\text {3*a=3a}\\\text {3*4=12}

\text {-5*a=-5a}\\\text {-5*-2=10}

\text {Your New Problem Is: 3a+12+-5a+10=22}

\text {\underline {The Next Step is to Combine Like Terms}}

\text {3a+-5a=-2a}\\\text {12+10=22}

\text {Your New Problem Is: -2a+22=22}

\text {\underline {The Next Step is to Subtract 22}}

\text {-2a+22-22=22-22}

\text {Your New Problem Is: -2a=0}

\text {\underline {The Final Step is to Divide 2}}

\text {-2a/2=0/2}

\text {Your Answer Would Be:}

\huge\boxed {a=0}

\text {Best of Luck!}

5 0
3 years ago
Read 2 more answers
PLEASE HELP IMAGE ATTACHED⚠️⚠️⚠️⚠️⚠️
sdas [7]

Answer:

A'(4, -3) ; T'(-1, 4)

Step-by-step explanation:

Multiply the coordinates by 1/2, or divide them by 2 to get the new points.

A(8, -6) ⇒ A'(4, -3)

T(-2, 8) ⇒ T'(-1, 4)

3 0
2 years ago
Brooke has set up 70 chairs in equal rows for the class talent show. But,there is not room for more than 20 rows. What are the p
Mama L [17]

Answer:  If the rows must be even, she can set

14 rows of 5 chairs

10 rows of 7 chairs

7 rows of 10 chairs  or

5 rows of 14 chairs

Step-by-step explanation:

Take the prime factors of 70: 2, 5 and 7  Multiply  them in different ways to get the combinations where no product is greater than 20. (7 ×5 is the one combination of factors that won't work)

8 0
3 years ago
You are a nascar fan that collects cars that are 1:64 scale to the original car. if your collection has cars that ar 3 inches in
Nitella [24]
The scale is 1:64.

Therefore if the length of the model is 3 inches, the true length of the vehicle is
3 * 64 = 192 inches  = 192/12 ft = 16 ft

Answer: 16 feet 
3 0
2 years ago
Read 2 more answers
Your job in a company is to fill quart-size bottles of oil from a full 100-gallon oil tank. Then you are to pack 12 quarts of oi
Andreyy89

Answer:

33 cases of oil

Step-by-step explanation:

You start with 100 gallons of oil.

1 gallon = 4 quarts

100 gallons = 100 * 4 quarts

100 gallons = 400 quarts

You start with 400 quarts.

You place 12 quarts in each box.

400/12 = 33 1/3

You can pack 33 full cases plus 1/3 of another case.

The question only askes about full cases.

Answer: 33 cases of oil

5 0
2 years ago
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