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3 years ago

Combine

Mathematics

2 answers:

Irina18 [472]3 years ago

6 0

The correct answer is D) a + 2b.

In order to find the answer to this problem, first group the like terms. Start with the a terms.

2a - a = a

Now do the same with the b terms.

-3b + 5b = 2b.

Now that we have each of these answers, we can put them together to form 1 + 2b, which is your final answer.

RideAnS [48]3 years ago

5 0

add like terms

2a - 3b + 5b - a

= (2a - a) + (-3b + 5b)

= a + 2b

Answer: D) a + 2b

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Step-by-step explanation:

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3 years ago

If you have a demand function of Qd=48-9P and a supply function of Qs=-12+6P,

jenyasd209 [6]

Answer:

The equilibrium quantity is 26.4

Step-by-step explanation:

Given

$Q_d = 48 - 9P$

$Q_s = 12 + 6P$

Required

Determine the equilibrium quantity

First, we need to determine the equilibrium by equating Qd to Qs

i.e.

$Q_d = Q_s$

This gives:

$48 -9P = 12 + 6P$

Collect Like Terms

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Solve for P

$P = \frac{-36}{-15}$

$P =2.4$

This is the equilibrium price.

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$Q_d = 48 - 9 * 2.4$

$Q_d = 26.4$

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