3 years ago

Can someone help me with percents ?

Mathematics

2 answers:

denpristay [2]3 years ago

8 0

The person HAD homework 75/100 or 75%

the remaining days he did NOT have homework , which is 25/100 or 25%

asambeis [7]3 years ago

5 0

Basically the question states that the student had homework 75% of the time. Or 75/100 of the time. They are the same. So to figure out when the student did not have homework you would subtract 100-75. So 25% or 25/100.

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Evaluate f(x) = sqrt(5x + 4) for x = 12

Nezavi [6.7K]

Answer is 8

Work Shown:

f(x) = sqrt(5*x + 4)

f(12) = sqrt(5*12 + 4) ... replace every x with 12

f(12) = sqrt(60 + 4)

f(12) = sqrt( 64 )

f(12) = 8

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3 years ago

Daniel works at a nearby electronics store. He makes a commission of 15% on everything he sells. If he sells a laptop for $293.0

nata0808 [166]

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- Let y represent the width of a rectangle and let x represent the rectangle's lengu.

valentina_108 [34]

Answer:

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Step-by-step explanation:

Let $y$ be the width and $x$ length of the rectangle. We know:

$x = 4y -3$ -------- eq. 1

$54 = 2x + 2y$ (Perimeter of the rectangle) ------- eq. 2

Substitute equation 1 in equation 2:

$54 = 2(4y-3) + 2y\\54 = 8y - 6 + 2y\\54 + 6 = 8y + 2y\\60 = 10 y\\\\\frac{60}{10}= y\\y = 6$

Using the value of y, we find x.

$x = 4y - 3\\x = 4(6) -3\\x= 24 - 3\\x = 21$

4 0

3 years ago

Find the range for the measurement of the third side of a triangle, x, given the measures of the two sides: 6 ft and 13 ft.

Rudik [331]

|13-6| < x < |13+6|

So the range will be:

7 < x < 19

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3 years ago

X^72-3x^24+x^13+2x^7-x+1/x+1

Basile [38]

Do you need me to simplify ... or what?
Please let me know so I can help you (:

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