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lina2011 [118]
3 years ago
6

SIMPLIFIED EQUATIONS HELP, PLEASE.

Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
3 0

A)

d =240/a

B) 2 loads of gravel

Step-by-step explanation:

Step 1:

Given one load of gravel is 240 ft2.

We have depth = 240/area

Hence the inverse variation model is d =240/a

Step 2 :

The length and breadth of the playground is 40 ft and 24 ft

The depth of the playground is 6 in = 6/12 ft

Hence the volume of the given playground is 40 * 24 * 6/12 = 480 cu ft.

There is  240 ft2 of gravel in one load

So we need 480 cu ft of gravel =  480/240 = 2 loads of gravel.

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4 years ago
You could win a giant jar of M&Ms, if only you could guess how many are in the jar. You find a smallerjar such that the gian
sleet_krkn [62]

Answer:

There are 7360 M&Ms in larger jar.

Step-by-step explanation:

We are given the following in the question:

A giant jar is such that it is exactly four times times the smaller jar in dimensions.

If r and h is the radius and height of the cylindrical jar respectively, then the dimensions of the larger are:

R = 4r\\H=4h

Number of M&Ms in smaller jar = 115

Volume of smaller jar =

v = \dfrac{1}{3}\pi r^2 h

Volume of larger jar =

V =\dfrac{1}{3}\pi R^2 H=\dfrac{64}{3}\pi r^2 h

Number of M&Ms in larger jar:

v = \dfrac{1}{3}\pi r^2 h\rightarrow 115\\\\V=\dfrac{64}{3}\pi r^2 h\rightarrow 115\times 64\\\\V=\dfrac{64}{3}\pi r^2 h\rightarrow 7360

Thus, there are 7360 M&Ms in larger jar.

6 0
3 years ago
Bob has 56 bars of candy. He eats75%. What does he have.
s344n2d4d5 [400]
The answer is B, but C is a pretty good answer too.LOL.
8 0
4 years ago
Line e passes through points (10, 8) and (3, 5). Line f passes through points (3, 1) and (10, 4). Are line e and f parallel or p
babunello [35]

Answer:

e║f.

Step-by-step explanation:

1) the pointed vectors of the given lines are:

for line e: (3-10;5-8)=(-7;-3);

for line f: (10-3;4-1)=(7;3);

2) -7/7=-3/3=-1, it means the lines are parallel.

3 0
2 years ago
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