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ale4655 [162]
3 years ago
8

Shadi has four bottles. the bottle hold 650 ml,0.38 l , 5020 ml, 0.045 l. Shadi wants to use the bottle that holds closest to 1

by 2 liters which bottle should she use​
Mathematics
1 answer:
erik [133]3 years ago
4 0

Answer:

0.38 l

Step-by-step explanation:

Bottles:

  • 650 ml
  • 0.38 l= 380 ml
  • 5020 ml
  • 0.045 l= 45 ml

Closest to 1/2 l= 500 ml volume? The difference between the given and 500 ml volume:

  • 650 ml- 500 ml= 150 m
  • 380 ml- 500 ml= -120 ml
  • 5020 ml- 500 ml= 4520 ml
  • 45 ml- 500 ml= - 455 ml

The smallest absolute difference in the list above is -120 so the closest one to 1/2 liters is 380 ml= 0.38 l

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harina [27]

Answer:

57.142%

Step-by-step explanation:

28-12=16

16/28*100=57.142%

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2 years ago
A cylinder has radius r and height h. a. How many times greater is the surface area of a cylinder when both dimensions are multi
kondor19780726 [428]
To find it directly

A = 2 pi r h

A is proportional to rh

factor 2

A is multiplied by 2 * 2 = 4

factor 3

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factor 5

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3 years ago
Levi takes his friends on a boat ride.
melomori [17]

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The distance traveled in Duke Canal is one-fourth the distance traveled on Witham Lake

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2 years ago
What two numbers have a sum of -7 and a difference of 14?
Ksivusya [100]

Answer:

The sum of two numbers is 14 and their difference is 10

Step-by-step explanation:

"2 numbers (x and y)

x+y = 14

and x-y + 10

If you each equation by positive 2, one gets 2x+2y = 28 and 2x-2y = 20

The 'y-terms' cancel out or equal zero when adding, so 4x = 48, divide by 4 on each side and x or the first number equals 12.

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7 0
2 years ago
Read 2 more answers
An engineer has designed a valve that will regulate water pressure on an automobile engine. The valve was tested on 280 engines
DENIUS [597]

Answer:

The value of the test statistic is t = -2.09

Step-by-step explanation:

The null hypothesis is:

H_{0} = 6.6

The alternate hypotesis is:

H_{1} \neq 6.6

Our test statistic is:

t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

In which X is the sample mean, \mu is the value tested at the null hypothesis, \sigma is the standard deviation(square roof of the variance) and n is the size of the sample.

In this problem, we have that:

X = 6.5, \mu = 6.6, \sigma = \sqrt{0.64} = 0.8, n = 280

So

t = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}

t = \frac{6.5 - 6.6}{\frac{0.8}{\sqrt{280}}}

t = -2.09

The value of the test statistic is t = -2.09

4 0
3 years ago
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