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MaRussiya [10]
3 years ago
13

Evaluate each function in the table for f(3)

Mathematics
1 answer:
kogti [31]3 years ago
6 0

Answer:

Function 1:

We have 3x + 5, so we plug in 3 for x to get 9 + 5 = \boxed{14}

Function 2:

We have \frac{1}{2}x^{2} - 1.5 so we have 4.5 - 1.5 = \boxed{3}

Function 3:

We have \frac{3}{2x} which becomes \frac{3}{6} = \boxed{\frac{1}{2}}.

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V=x/t<br> How do I solve for T
777dan777 [17]

When solving for a variable in an equation, get it separated from the others onto one side typically the left hand side and rest onto the opposite side usually the right hand side.

V = x / t

First, let us get the 't' variable out of denominator position and then it will be easier to work with.

V * t = (x / t) * t

Why did I multiply each side by 't' and not just the "x / t" expression? That is because every operation we do on one side, we must also do on the opposite side.

Okay, now we get the following equation.

V * t = x

We removed the 't' variable from denominator and in fact, it doesn't even exist anymore on the right hand side!

To complete this question, all we have to do is divide each side by 'V' and we are done!

(V * t) / V = x / V

Comes out to:

t = x / V

And there is your answer! Hope this helps with your adventure in learning Algebra!

6 0
3 years ago
All the while the dog sat in the snow, its wolf-brush of a tail curled around warmly over its forefeet, its wolf-ears are forwar
nalin [4]

Answer:21

Step-by-step explanation:

4 0
3 years ago
The answer please I need the answers
enyata [817]

Answer:

I think you need to multiply 12 and 7 and then cut that in half

7 0
3 years ago
Luke bought a pair of jeans originally priced at $69.00. The jeans have been marked down 25%, and a sign posted on the rack wher
ElenaW [278]

Answer: C. 69(0.75)(.0.90)

Step-by-step explanation:

In order to find a discounted price you subtract the discount percentage as a decimal from 1 and multiply the outcome to the original price. For this case, 1-0.25=0.75 and 1-0.1=0.90. So your equation will be 69(0.75)(0.90)

8 0
3 years ago
Read 2 more answers
Mr. Santos purchased pizza and soda. Each pizza cost $14.50. He spent $127 on the soda. If he spent $315.50, use the equation 14
natali 33 [55]

Answer:

13 pizzas he bought

Step-by-step explanation:

315.50 - 127 = 188.50  then do 188.50 divided by 14.50 = 13

Hope this helps :)

4 0
3 years ago
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