3 years ago

Which expression is equivalent to 9a + 12? (1 point)

Mathematics

1 answer:

vlabodo [156]3 years ago

5 0

Answer:

3(3a + 4)

Step-by-step explanation:

Just multiple the different answers and find which one is equal to 9a + 12

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Identify the type of sequence 1/10, 3/20, 5/30, 7/40...

Dafna11 [192]

Arithmetic sequence: must have a constant common difference.
3/20-1/10=(3-2)/20=1/20
5/30-3/20=(10-9)/60=1/60
Difference is not constant, so no.

Geometric sequence: must have a common ratio
30/20 / (1/10) = 15
5/30 / (3/20) = 100/90 = 10/9
ratio is not constant, so no.

The answer is (c) neither geometric nor arithmetic

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3 years ago

Evaluate 4c + 8 when c = 2

Wittaler [7]

Answer:

Step-by-step explanation:

4c + 8

Replace 'c' with 2 and evaluate:

4(2) + 8

8 + 8

Hope this helps.

8 0

3 years ago

Read 2 more answers

The sum is 2 One number is twice the other one.

Scorpion4ik [409]

Answer:

The smaller number is 0.6666... repeating, and the larger number is 1.3333... repeating.

Step-by-step explanation:

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2 years ago

What is the run of a 50% slope with a rise of 50 feet?

Alinara [238K]

25 is the answer because 50% of 50 is 25

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3 years ago

Three years after paying $2800 in a startup company, you sell for $2200. The total percent return is what?

masha68 [24]

Answer:

The total percentage return is 26.19

Step-by-step explanation:

Given as :

The amount paid for three years = $ 2800

So, Total amount paid for three years = $ 2800 × 3 = $ 8400

The return amount after three years = $ 2200

The time period = 3 years

Let the percentage return = x %

So, According to question

x % of $ 8400 = $ 2200

Or, x % = $\frac{2200}{8400}$

Or, $\frac{x}{100}$ = $\frac{11}{42}$

∴ x = $\frac{11}{42}$ × 100

I.e x = 26.19

Hence The total percentage return is 26.19 Answer

3 0

3 years ago