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____ [38]
3 years ago
14

The table shows the ratio of caramel corn to hot pepper corn in a bag. What is the constant of proportionality?

Mathematics
1 answer:
hodyreva [135]3 years ago
6 0
Please provide the table

   Thanks, 
      Johnny
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Which is f(5) for the function -2x2 + 2x - 3?
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The value of f(5) is -37

<em><u>Solution:</u></em>

<em><u>Given function is:</u></em>

f(x) = -2x^2+2x+3

We have to find the value of f(5)

To find the value of f(5), we have to substitute x is equal to 5 in given function

Plug in x = 5 in f(x)

f(x) = -2x^2+2x+3\\\\f(5) = -2(5)^2+2(5) + 3\\\\\text{Simplify the above expression }\\\\f(5) = -2(25) + 10 + 3\\\\\text{Solve the above expression }\\\\f(5) = -50 + 10 + 3\\\\f(5) = -40 + 3 = -37

Thus value of f(5) is -37

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Read 2 more answers
X + y=-3 can sombody plz help me with this question
Nookie1986 [14]

Answer:

x=−y−3

Step-by-step explanation:

x+y=−3

Step 1: Add -y to both sides.

x+y+−y=−3+−y

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3 years ago
Which value of x satisfies both -9x+4y=8 and -3x-y=4 given the same value of y?
Deffense [45]

The value of x satisfies both -9x + 4y = 8 and -3x - y = 4 given the same value of y is  -\frac{8}{7}

Step-by-step explanation:

The system of equations has two equations:

  • -9x + 4y = 8
  • -3x - y = 4

Let us solve the system of equations to find the value of x and substitute it in the two equations to check if it gives the same value of y in the two equations

∵ -9x + 4y = 8 ⇒ (1)

∵ -3x - y = 4 ⇒ (2)

- Multiply equation (2) by 4 to make the coefficients of y in the

  two equations have same value and different signs

∴ -12x - 4y = 16 ⇒ (3)

- Add equations (1) and (3) to eliminate y

∴ -21x = 24

- Divide both sides by -21

∴ x = -\frac{8}{7}

Let us substitute this value of x in equations (1) and (2) to find y

∵ -9( -\frac{8}{7} ) + 4y = 8

∴ \frac{72}{7} + 4y = 8

- Subtract  \frac{72}{7}  from both sides

∴ 4y = -\frac{16}{7}

- Divide both sides by 4

∴ y = -\frac{4}{7}

∵ -3( -\frac{8}{7} ) - y = 4

∴ \frac{24}{7} - y = 4

- Subtract   \frac{24}{7}  from both sides

∴ - y = \frac{4}{7}

- Divide both sides by -1

∴ y = -\frac{4}{7}

The value of x satisfies both -9x + 4y = 8 and -3x - y = 4 given the same value of y is  -\frac{8}{7}

Learn more:

You can learn more about the system of equations in brainly.com/question/2115716

#LearnwithBrainly

5 0
3 years ago
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