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sergejj [24]
2 years ago
5

Help me please please please

Mathematics
1 answer:
Maslowich2 years ago
3 0

Answer:

mHI=58

Step-by-step explanation:

The solution is in the image

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Help me understand this please, Use muiltiples method to find Least common denominator and then find the sum or difference of
kolezko [41]

Answer:

25/28

Step-by-step explanation:

make the denominator to 28 by doing 4 x 7

3 /4 x 7 = 21/28

1/ 7 x 4 = 4/28

21/28 + 4/28 = 25/28

8 0
3 years ago
Item 4
lord [1]
It’s the last one. There’s 16 ounces in a pound.
8 0
3 years ago
The number of hours walked varies inversely with the speed of the walker. if it takes sam 12 hours to complete his walking goal
Effectus [21]
We let k be the proportionality constant for the relationship between number of hours, h and speed of the walker, s. 

                        h = k/s
Substituting the known values,
                        12 = k/5
                          k = 60

For the second scenario,
                          h = k/s
Substituting the calculated value for k and the given value for speed,
                          h = (60)(3 miles/hour)
                         h = 20 hours
                         h = 20 hours

Therefore, it will take 20 hours to walk with a speed of 3 miles per hour. 
7 0
3 years ago
There are 3 pink, 3 violet, 4 yellow, and 2 brown marbles in a hat. you pick 2 marbles from the hat. marbles are not returned af
snow_lady [41]
First, we add everything together, so; 3 + 3 + 4 + 2 = 12. This means every marble has a 8.33% chance of being chosen, however since there are more than others we add those separate percentages together. 

Pink: 25%
Violet: 25%
Yellow: 33.33%
Brown: 16.66%
These are the chances of you getting either color. Since the problem asks what is the probability of finding a violet marble,we just look at the written percentages to see we have a 25% chance of choosing a violet marble.

The next step is to see what is the probability of choosing a pink marble, except we have to change things up a bit. Since we removed 1 marble, that changes ALL the percentages again, so we must rewrite the percentages. 12 - 1 is easily solved as 11, and so this means every marble has a 9.0909091% of being chosen. Let's rewrite the grouped percentages now:

Pink: 27.27%
Violet: 18.18%
Yellow: 36.36%
Brown: 18.18%

Now we see that with one marble removed, and that marble not being pink, we have a 27.27% chance of picking a pink marble.

Your Answer: 25% of Violet first time, 27.27% of Pink second time.

(How To Get Percentages?): Simple, you divide 100 (since whatever number we start out with as long as it claims nothing is missing equal 100%) by whatever number of objects you have. So as an example, if I have 5 objects, 100 / 5 = 20. This means every individual object has a 20% chance of being chosen. But we then arrange everything into whatever groups (in your problems case, colors) and multiply by the amount. So say I have 3 green balls and 2 white balls, 3 x 20 = 60 and 2 x 20 = 40 so I have a 60% of getting a green ball and 40% chance of a white ball.

Hope this helps and I hope even more you learned something :D
4 0
3 years ago
WILL GIVE BRAINLIEST, SUPERB RATING, AND THANKS!!!!
kap26 [50]

To solve this, we have to find the volume of a cylinder and a rectangle:

Cylinder: We know that the equation for the volume is πr^2h, so the volume for this cylinder would be 3.14*12.25*2

The volume is 76.93.

Now we solve for the rectangle:

6*9*2 = 108

The volume is 108.

<u>The rectangular cake pan has the larger volume.</u>

6 0
3 years ago
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