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2 years ago

7

If there are 20 students in Ms.Davidson’s class,how many candles does each student need to sell to make a total of $240 for the

field trip to the zoo?

1 answer:

Natasha2012 [34]2 years ago

4 0

12 candles for each student

240/20 = 12

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I need help please help me

Mrrafil [7]

Answer:

$y=\dfrac{1}{36}x^2$

Step-by-step explanation:

Where p is the distance from focus to vertex, the equation of the parabola with focus at (0, p) is ...

$y=\dfrac{1}{4p}x^2$

Your parabola has p=9, so the equation is ...

$y=\dfrac{1}{4\cdot 9}x^2=\bf{\dfrac{1}{36}x^2}$

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3 years ago

A farmer has one square mile land . If he divides his land into square fields that are 1/4 mile long and 1/4 mile wide,how many

White raven [17]

A square field that is 1/4 mile long and 1/4 mile wide has area

$\dfrac{1}{4} \cdot \dfrac{1}{4} = \dfrac{1}{16}$

So, to know how many of these fields fit in the biggest field, you have to divide their areas:

$\dfrac{1}{\frac{1}{16}} = 16$

So, if the farmer divides his land into square fields that are 1/4 mile long and 1/4 mile wide, he will have 16 of these smaller fields.

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3 years ago

A trunk can carry up to 207 kilograms of cargo. A brick has a mass of 4 kilograms. What is the maximum number of bricks the truc

Fed [463]

207 kilograms/ 4 kilograms = 51.75 Which would mean the truck can carry 51 bricks. There's no need to carry 3/4 of a brick.

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4 years ago

Do the lines -x+5y=22 and 7x-2y=19 intersect

melomori [17]

Yes, they intersect at roughly (4.2,5.2).

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4 years ago

I am trying to find the measure of angle KRD angle KRD: 5r+42 angle: DRB: 4r+66 I don't really understand this

SSSSS [86.1K]

Based off what you have I can't solve it

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3 years ago