3 years ago

Which of the following is an example of a quadratic equation?

Mathematics

1 answer:

jasenka [17]3 years ago

5 0

Answer:

C) any eqaution that has a variable or number squared is a qaudratic equation

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Find the area of this composite figure.

Margaret [11]

Answer: ≈ 196.53 m²

All work is shown in the picture.

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3 years ago

This past week the 8 hens laid a total of 48 eggs. How many eggs did each hen lay?

cupoosta [38]

Answer:

6 eggs

Step-by-step explanation:

48 (total eggs) divided by 8 (total hens) = 6 eggs for each hen

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2 years ago

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5. You are making your weekly mean plans and are working with the following constraints: It costs $8 to go out to dinner. It cos

Goshia [24]

Let

x-------> the number of dinner

y-------> the number of lunch

we know that

$8x+5y \leq 42$ -------> equation A

$x=y$ ------> equation B

Substitute equation B in equation A

$8[y]+5y \leq 42$

$13y \leq 42$

$y \leq 42/13$

$y \leq 3.23$

the greatest number of lunch is $y=3$

$x=y$

Hence

the greatest number of dinner is $x=3$

therefore

the greatest number of meals is

$x+y=3+3=6$

the answer is

$6$

4 0

3 years ago

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Find each function value 1. f(7) if (x)=5x 2. f(4) if f(x)=3x-1

Inessa [10]

ANSWER

$1. \: \: f(7) = 35$

$2. \: f(4) = 11$

EXPLANATION

To find the value of a function, f(x) at a given value x=a, we plug in x=a into f(x) to obtain f(a) in simplified form.

The first function is

$f(x) = 5x$

To find f(7), we substitute x=7, into the function.

$\implies f(7) =5(7) = 5 \times 7 = 35$

The second function is

$f(x) = 3x - 1$

To find f(4), we replace x with 4 to obtain,

$f(4) = 3(4) - 1$

$f(4) = 12 - 1 = 11$

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3 years ago

What is the value of y for the parallelogram shown?

dybincka [34]

Opposite angles in a parallelogram have to be equal so

3y=66
y=22

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3 years ago

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