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fomenos
3 years ago
15

Given h (x) = 3x^2 – 2x + 8 what is h (–1)?Help me please!!​

Mathematics
2 answers:
Delicious77 [7]3 years ago
5 0

Answer:

h(-1)=13

Step-by-step explanation:

Plug in -1 for x

h(-1)=3(-1)^2-2(-1)+8

Find x^2

h(-1)=3(1)-2(-1)+8

Find the products

h(-1)=3+2+8

Combine like terms

h(-1)=13

choli [55]3 years ago
3 0
H(x)=3x^2
h(-1)=3(-1)^2
h(-1)=3(-1•-1)
h(-1)=3•1
h(-1)=3
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Given that 2 large puzzle costs $16 then

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or

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That means cost of 1 large puzzle = $8


Given that 3 small puzzle costs $15 then

3s=15

or

s=5

That means cost of 1 small puzzle = $5


Now we will use this information to find the correct choice.

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First choice is <u>wrong </u>as coefficient 8 is with 8l so that gives cost of 1 large not small puzzle.

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Second choice is <u>correct </u>as coefficient 8 is with 8l so that gives cost of 1 large puzzle.

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Third choice is <u>correct </u>as coefficient 5 is with 5s so that gives cost of 1 small puzzle.

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Fourth choice is <u>Wrong </u>as coefficient 5 is with 5s so that gives cost of 1 small not large puzzle.

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Fifth choice is <u>wrong </u>as constant 128 gives total cost of not the total number of puzzles.



5 0
3 years ago
A bowl is the shape of a hemisphere and made out of thick clay. The diameter of the outside bowl is 44.6 cm. And the diameter of
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3 0
4 years ago
Which of the following multiplication problems has a product that is less than 3/8? Select three that are correct.
Lena [83]

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Step-by-step explanation:

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3 years ago
Over the last three evenings, Mary received a total of 116 phone calls at the call center. The third evening, she received 3 tim
Tanya [424]
<h2>Answer:</h2>

First day - 25 calls

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<h2>Step-by-step explanation:</h2>

You need to set variables and create system of equations first.

First evening=  x

Second evening= y

Third evening = z

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z=3x

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Now you plug in the values into the equation x+y+z=116

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5 0
3 years ago
Read 2 more answers
If the greatest value the variable m can be is less than 9, which of the following inequalities best shows all the possible valu
Flauer [41]

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<h3>Which inequality best shows all possible values of m?</h3>

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Read more on inequalities;

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7 0
2 years ago
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