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Gre4nikov [31]
3 years ago
12

A car is moving at a rate of 35 miles per hour, and the diameter of its wheels is 2.5 feet. (Round 1 decimal place).

Mathematics
1 answer:
Rudik [331]3 years ago
3 0
Tbh I really don’t know and I hope someone helps you
You might be interested in
An open box with a square base is to have a volume of 18 ft^3.
kotegsom [21]

Answer:

2.29 ft of side length and 1.14 height

Step-by-step explanation:

a) Volume V = x2h, where x is side of square base and h is hite.

Then surface area S = x2 + 4xh because box is open.

b) From V = x2h = 6 we have h = 6/x2.

Substitude in formula for surface area: S = x2 + 4x·6/x2, S = x2 + 24/x.

We get S as function of one variable x. To get minimum we have to find derivative S' = 2x - 24/x2 = 0, from here 2x3 - 24 = 0, x3 = 12, x = (12)1/3 ≅ 2.29 ft.

Then h = 6/(12)2/3 = (12)1/3/2 ≅ 1.14 ft.

To prove that we have minimum let get second derivative: S'' = 2 + 48/x3, S''(121/3) = 2 + 48/12 = 6 > 0.

And because by second derivative test we have minimum: Smin = (12)2/3 + 4(12)1/3(12)1/3/2 = 3(12)2/3 ≅ 15.72 ft2

5 0
2 years ago
The total weight of the golf balls from Julio’s golf bag was 273 grams. If each golf ball weighed 45.5 grams, which graph shows
MariettaO [177]

ANSWER:

A

EXPLAIN:

Since all the six balls have same weight and the total weight is given as 273g, then weight of one ball will be

273/6=45.5 g

1 ball=45.5 g

2 balls =2*45.5=91 g

3 balls =3*45.5=136.5 g

4 balls=4*45.5=182 g

5 balls =5*45.5=227.5 g

6 balls =6*45.5=273 g

7 0
2 years ago
Yoxel buys 4 1/2 gallons of soda. 1/4of the soda he bought was Pepsi and the rest was Sprite. How many gallons of Pepsi did Yoxe
marusya05 [52]

Answer:

4\frac{1}{4} gallons

Explanation:

Total amount of soda bought by Yoxel = 4\frac{1}{2} =\frac{9}{2} gallons

Amount of Pepsi =\frac{1}{4} gallons

Therfore,

Amount of sprite ==\frac{9}{2} -\frac{1}{4}\\=\frac{18-1}{4} \\=\frac{17}{4}\\ =4\frac{1}{4}gallons

8 0
3 years ago
2. If tan theta = 2 , find cot theta
RideAnS [48]

Answer:

1/2

Step-by-step explanation:

cot∅ = 1/tan∅

cot∅ =  1/2

3 0
3 years ago
Can someone write an equation out of X= -4 Y= -8 Z= 3
ICE Princess25 [194]

Answer:

2y + 4z = x

Step-by-step explanation:

Given

x = -4

y = -8

z = 3

Required

Write an equation that which is true for the above parameters

<em>This question will be answered using trial by error method and the solution is not limited to one equation.</em>

<em></em>

One equation that matches the values above is:.

2y + 4z = x

To check:

Substitute the values of x, y and z in the above equation.

2y + 4z = x

2 * -8 + 4 * 3 = -4

-16 + 12 = -4

-4 = -4

Hence,

Because both sides of the equation are one and the same (-4), 2y + 4z = x is true for the above values of x, y and z.

4 0
2 years ago
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