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3 years ago

5. What are the dimensions of a cylindrical container that holds 900 mL of chocolate milk?

1 answer:

6 0

1 cubic meter is equal to 1000 liters. 900mL is equal to .9 liters therefore:
(1 cubic meter/1000L)*(.9L/x)=.0009cubic meters

900mL is .0009 cubic meters

The formula for cylinder is:
V=πr2h
.0009=πr2h.00014323944=rh

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in 2.5 hours, Mr. Castelli drives a distance of 125 miles. He wants to know his average driving speed in the meters per minute.

Ulleksa [173]

Answer:

1,350 meters per min

Step-by-step explanation:

Given that Mr. Castelli covers 125 miles in 2.5 hours, the average speed = $\frac{distance}{time}$ .

In miles per hr, average speed = $\frac{125}{2.5} = 50 miles/hr$ .

Converting 50 miles/hr to km per hr:

If 1 miles = 1.62 km (unit conversion)

50 miles = 50*1.62 = 81 km/hr

Converting 81 km/hr to meters per hr:

1 km = 1,000 m (unit conversion)

81 km = 81*1,000 = 81,000 m/hr

Converting 81,000 m/hr to meters per minutes:

60 mins = 1 hr

Therefore, average speed = $\frac{81,000}{60} = 1,350 meters/min$

Average driving speed of Mr Castelli in meters per minute = 1,350 meters per minute.

4 0

3 years ago

What’s the answer to 3x/x+5+7/x+5

uranmaximum [27]

Ambiguous expression. I think you meant:
3x + 7
<span>3x/(x+5)+7/(x+5) = --------------
x+5

There's no "answer." All you can do here is to combine the terms and simpify the resulting sum.

</span>

7 0

3 years ago

If f(x) =x-1 and g(x)=5x-2, then (f+g)(x)=

Dvinal [7]

Answer:

5x²-7x+2

step by step explanation:

(f•g)(x) = f(x)•g(x)

(x-1)•(5x-2)

x×5x-2x-5x-1×(-2)

5x²-2x-5x+2

=5x²-7x+2

8 0

3 years ago

A group of 266 people consist of men, woman, and children. There are 4 times as many men as children, and twice as many woman as

Harman [31]

Answer: 38Men

76 women

152 children

Step-by-step explanation:please see attachment for explanation

5 0

2 years ago

Read 2 more answers

If f(x) = 3^+ 10 and g(x) = 2x - 4, find (f - g)(x).

just olya [345]

Answer:

3^x -2x +14

Step-by-step explanation:

I will assume you mean 3^x in the function f(x)

f(x) = 3^x+ 10

g(x) = 2x - 4

(f - g)(x) = 3^x+ 10 - (2x - 4)

Distribute the minus sign

= 3^x+ 10 - 2x + 4

= 3^x -2x +14

8 0

3 years ago