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PtichkaEL [24]
3 years ago
10

Factor the equation 4x^2-20x=1

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
6 0
It seems that you have mistakenly typed the wrong equation which is supposed to be 4x^2 - 20x = 0.
So given the correct equation, the factor for this one would be this:
4x(x-5) = 0
So let us check.
4x (x) = 4x^2
4x (-5) = -20x
Which makes it 4x^2-20x = 0
I hope this answer helps. 
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A rectangular field is 15 yards in length and 66 feet width. What is the area of the field in square feet and the area of the fi
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Swap yards to feet 3 feet= 1 yard so you end up with 45 feet x 66 feet at that is 2,970 so you will end up with 2,970 feet in area and 35,640 inches.

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4 years ago
Write an expression for the perimeter of each regtangle in terms of its width?​
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a (the length is twice the width)

Step-by-step explanation:

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3 years ago
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If sin theta=-1/4 and theta terminates in the third quadrant, find the exact value of sin2 theta.
DIA [1.3K]

Answer:

sin(2\theta)=\frac{\sqrt{15}}{8}

Step-by-step explanation:

We are given

sin(\theta)=-\frac{1}{4}

Firstly, we can draw triangle

angle lies in third quadrant

so, we get

cos(\theta)=-\frac{\sqrt{15} }{4}

now, we can use formula

sin(2\theta)=2sin(\theta)\times cos(\theta)

now, we can plug values

sin(2\theta)=2\times -\frac{1}{4}\times -\frac{\sqrt{15} }{4}

now, we can simplify it

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7 0
4 years ago
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The cost of renting a car is 35/we plus $0.25/mi traveled during that week. An equation to represent the cost would be y= 35+0.2
MaRussiya [10]

ANSWER

260 miles

EXPLANATION

The equation that models the cost is

y = 35 + 0.25x

If you have a maximum of $100 to spend for the car rental, then we can equation the cost function to

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x =  \frac{65}{0.25}

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Therefore the maximum number of miles you can travel is 260 miles

7 0
3 years ago
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