2 years ago

25 students in a high school health class are asked to write down what foods they ate last week. Of the 25

Mathematics

1 answer:

kondor19780726 [428]2 years ago

5 0

Answer:

14/25, 6/25, 1/5, 3/5

Step-by-step explanation:

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natta225 [31]

5 units left and 1 unit up

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2 years ago

Solve for y 2y - 11 > -19.

Talja [164]

Answer:

Y>-4

Step-by-step explanation:

Add 11 to both sides and divide

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3 years ago

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What are the roots of the quadratic equation 2x2+7x+4=0? Select all that apply.

skad [1K]

Answer:

option A and B

$x=\frac{-7+\sqrt{17}} {4}$

and

$x=\frac{-7-\sqrt{17}} {4}$

Step-by-step explanation:

we have

$2x^2+7x+4=0$

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$2x^2+7x+4=0$

$a=2\\b=7\\c=4$

substitute in the formula

$x=\frac{-7\pm\sqrt{7^{2}-4(2)(4)}} {2(2)}$

$x=\frac{-7\pm\sqrt{17}} {4}$

$x=\frac{-7+\sqrt{17}} {4}$

and

$x=\frac{-7-\sqrt{17}} {4}$

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2 years ago

Jack bought a set of golf clubs for $250 and received a discount of $20 how much was the discount

Airida [17]

percent discount = (discount)/ original * 100

= (20)/250 * 100

=.08*100

= 8 percent

He got an 8 percent discount

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3 years ago

What is 22% of 64.82

Phantasy [73]

Answer:

14.2604

Step-by-step explanation:

this is because 22% as a decimal would be 0.22, and since this is out of 64.82, you have to multiply 0.22 by 68.82

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2 years ago

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