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3 years ago

It takes Wayne 1/3 hour to walk 1/6 mile. What is Wayne's unit rate, in miles per hour?

2 answers:

5 0

Look at the unit to help you figure it out: miles per hour. Mean miles / hour.

So the answer is 1/6 divides 1/3 = 3/6 = 1/2 miles per hour.

Don't know what the previous guy is talking about. His/her answer is wrong.

goblinko [34]3 years ago

4 0

It takes wayne 3.2 units

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Fine the area of a circle that has a diameter of 12 inches A=3.14r2

Alexus [3.1K]

The area of circle is 113.04 in^2

Further explanation:

The area of circle is calculated by using pi and radius.

We are given

Diameter = d = 12 inches

pi = π = 3.14

$r = \frac{d}{2} = \frac{12}{2} = 6\ inches$

$Area = \pi r^2\\= 3.14 * (6)^2\\= 3.14 * 36\\=113.04\ in^2$

The area of circle is 113.04 in^2

Keywords: Circle, Area of Circle

Learn more about area of circle at:

#LearnwithBrainly

6 0

2 years ago

4 x 7 =?

julia-pushkina [17]

The answer is a, i dont think i want the prize tho lol

6 0

2 years ago

Read 2 more answers

Please help me!! algebra 1!!

Aleks04 [339]

Answer:

Step-by-step explanation:

3 0

2 years ago

Substitution: y-2x=-6 and 5x-y=9

Dmitrij [34]

<span>y-2x=-6 and 5x-y=9

step 1: isolate y in the first equation

y = 2x - 6

step 2: substitute the y value on the 2th equation:

5x-(2x-6)=9

step 3: solve the present equation:

5x - 2x + 6 = 9
3x = 9-6
3x = 3
x = 1

step 4: get the y value by replacing the value of x in </span>y = 2x - 6:
<span>
y = 2*1 - 6
y = 2 - 6
y = -4

S={1, -4}

</span>

7 0

2 years ago

Read 2 more answers

a manufacturer has determined that if his company sells x items per day then their profit is given by P=-x^2+ 700 x-10000 euros.

Radda [10]

Answer:

Step-by-step explanation:

To find the minimum amount of items, x, that need to be sold for the manufacturer to make a profit, we can use the quadratic formula

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

$x= \frac{-700+\sqrt{700^{2}-4(a)(-10000) } }{2(1)}; x= \frac{-700-\sqrt{700^{2}-4(a)(-10000) } }{2(1)}$

$x= \frac{-700+\sqrt{530000} }{2}; x= \frac{-700-\sqrt{530000} }{2}$

$x=\frac{-700+100\sqrt{53} }{2}; x=\frac{-700-100\sqrt{53} }{2};$

$x=-350 + 50\sqrt53 = 14.005; x = -350 - 50\sqrt53 = -714.005$

In context of the problem, we can only rely on the positive value, as the negative value would lead to a loss of profit.

$(-714.005)^2+700(-714.005)-10000=-0.360$

Furthermore, we must round to the nearest whole number, as you cannot make part of an item.

Lastly, if you were to plug in 14 into the equation for Profit, you would still have a negative number (i.e. a negative profit), thus requiring the manufacturer to make no less than 15 items to make a profit:

$(14)^2+700(14)-10000=-4\\\\(15)^2+700(15)-10000=725$

3 0

1 year ago