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Mkey [24]
3 years ago
11

Find the value of h(-7) for the function below:

Mathematics
1 answer:
Marta_Voda [28]3 years ago
3 0

The right answer is option B. 138.7

Step-by-step explanation:

Given function is:

h(x) = 5.7-19x

To find h(-7), we have to put -7 in place of x

h(-7) = 5.7-19(-7)\\= 5.7+133\\=138.7

The value of function at -7 is 138.7.

Hence,

The right answer is option B. 138.7

Keywords; Functions, Operations

Learn more about functions at:

  • brainly.com/question/4694425
  • brainly.com/question/4695279

#LearnwithBrainly

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Step-by-step explanation:

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How do i solve this equation?
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3 0
3 years ago
Three consecutive integers have a sum of -42. Write and solve an equation to find the three integers.​
IrinaK [193]
  • Let the first integer be x.

  • Let the second integer be x + 1 .

  • Let the third integer be x + 2 .

<h2><u>According</u><u> to</u><u> the</u><u> </u><u>question</u></h2>

x + ( x + 1 ) + ( x + 2 ) = -42

Opening the brackets and simplifying :

x + x + 1 + x + 2 = -42

3x + 3 = -42

Now , solving equation :

\bf  \rightarrow  \: \:3x  \: + \:  3  \: =  \: -42

\bf \rightarrow \: \: 3x  \: = \:  -42  \: - 3

\bf  \rightarrow \:3x \:  = \:  -45 \:

\bf  \rightarrow \:x \:   =  \:  \frac{ - 45}{ \: 3}  \\

\bf  \rightarrow \:x \:   =  \:   \cancel\frac{ - 45}{ \: 3}   \:   \: ^{ - 15}  \\

\bf  \rightarrow \:x \:   =   \:  - 15

{\boxed{ \Large{ \red{ \rm{ \underline{ Now \:  \:  substitute}}}}}}

\bf  \implies  \: \:x \:    =  \:  - 15

\bf  \implies \:  \:x  \:  +  \: 1 \:  =  \:  - 15 \:  + \:  1 \:  =  \:  - 14

\bf  \implies \:  \:x  \:  +  \:2 \:  =  \:  - 15  \: + \:  2 \:  =  \:  - 13

-15 , -14 and -13 are the three consecutive integers.

6 0
3 years ago
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