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Andrej [43]
3 years ago
9

Evaluate g(x)=3x when x=-2,0and 5

Mathematics
1 answer:
Law Incorporation [45]3 years ago
6 0

Answer:

When x = -2, g(x) = -6

When x = 0, g(x) = 0

When x = 5, g(x) = 15

Step-by-step explanation:

We have a function and are asked to evaluate and solve when we have three different values for x.

To solve, all we need to do is substitute the numbers with the corresponding value.

3(-2)

-6

3(0)

0

3(5)

15

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Simplify negative 2 and 1 over 6 – negative 7 and 1 over 3. negative 5 and 1 over 6 negative 9 and 3 over 6 9 and 3 over 6 5 and
luda_lava [24]

Answer:

5 and 1 over 6

Step-by-step explanation:

<u>Simplifying the given:</u>

  • Negative 2 and 1 over 6 – negative 7 and 1 over 3 ⇒ <em>translated as</em>:
  • - 2 1/6 - (-7 1/3) =         ⇒ <em>cancelling negatives and changing mixed fractions to improper fractions</em>
  • - 13/6 + 22/3 =            ⇒ <em>bringing to same denominator</em>
  • - 13/6 + 44/6 =            ⇒ calculating the numerator
  • 31/6 =                          ⇒ making mixed fraction
  • 5 1/6                            ⇒ answer

<u>Correct choice is the last one: </u>5 and 1 over 6

4 0
4 years ago
Read 2 more answers
-8x + 7y=-16<br> 4x + y=-28
topjm [15]

Answer:

x=-5

y=-8

Step-by-step explanation:

let first equation be equation 1

let second equation be equation 2

so we gather the like terms

5 0
3 years ago
Sandy took a boat ride down the Guadalupe River. The boat averaged 18 miles per hour. If the trip took 4 1/2​ hour, how far down
Ugo [173]

Answer:

81 miles

Step-by-step explanation:

18x4=72 and then you have to add the 1/2 and 1/2 of 18 is 9 so you add 72+9=81 to get the answer. Hope this helps! <3

7 0
3 years ago
Find the sum of the polynomials below: (4x? + 5x5 + 1x+6) + (10x7 + 6x5 - 4x + 4)​
yaroslaw [1]

Answer:

10 x^7 + 6 x^5 - 4 x + 4

Step-by-step explanation:

6 0
3 years ago
Hence, write as single<br> frachon in its lowest terms.<br> 2/y-1 - 4/y^2-1
sleet_krkn [62]

Answer:

\frac{2}{y+1}

Step-by-step explanation:

Factorise the denominator of the second fraction

y² - 1 = (y - 1)(y + 1) ← difference of squares

To obtain a common denominator

multiply numerator/ denominator of first fraction by (y + 1)

= \frac{2(y+1)}{(y-1)(y+1)} - \frac{4}{(y-1)(y+1)} ← subtract numerators leaving the common denominator

= \frac{2y+2-4}{(y-1)(y+1)}

= \frac{2y-2}{(y-1)(y+1)}

= \frac{2(y-1)}{(y-1)(y+1)} ← cancel common factor (y - 1) on numerator/denominator

= \frac{2}{y+1}

6 0
3 years ago
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