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sergey [27]
2 years ago
5

Please help me please I reallly need help

Mathematics
1 answer:
kiruha [24]2 years ago
3 0

Answer:

we have:

v  =  \frac{1}{3} \pi \: r {}^{2}h \\  \\  =  > 60\pi =  \frac{1}{3} \pi \: r {}^{2} h \\  \\  <  =  > 180 = r {}^{2} h

=> r²h = 10.18 = 9.20 = 5.36 = 6.30 = 4.45 = 12.15

=> only r²h = 5.36 satisfy the problem

=> h = 5

h = 5 r = 6

h = 5 r = 6=> d = 12

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Two integers, a and b have a product of 15. what is the least possible sum of a and b?
Neporo4naja [7]
If they're integers, that means they can't be fractions (such as 15/2 and 2).

So the only couples of integers that, when multiplied, result in 15 are:

1 and 15
5 and 3.

(there are no other possibilities as both 5 and 3 are not divisible further).
The smaller of the two sums (15+1; 5+3) is 5+3=8.

The least possible sum of a and b is 8.
7 0
3 years ago
the dog needs a 1/3 of a cup of dog food each day. the bag holds 5 cups of dog food how many days will it last ?​
sleet_krkn [62]

Answer:

15 days

Step-by-step explanation:

You have 5 cups of food, and you give him 1/3 a day.

So, <em>5 divided by 1/3</em>, which would get you 15 days. Or you could cross-multiply, meaning you multiply across, but in this case I just made them line up so you can see how to do it.(food)/(cupsperday) = 5/\frac{1}{3} \\OR\\\frac{(food)}{1}*(cupsperday) = \frac{5}{1} *\frac{3}{1}

7 0
2 years ago
Q10. Assertion: 2.05 Kg = 20500 g.
jeyben [28]

Answer:

b. only reason is correct

2.05 kg=2.05 ×1000 g

=2050 g

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5 0
3 years ago
Center (0,0); r= square root of 12
Vitek1552 [10]
<span>(4,5); r= square root of 12</span>
5 0
3 years ago
Read 2 more answers
Which ordered pairs could be used to graph the equation 2x+y=5
Marrrta [24]

Answer:

(-2,9) ,(4,-3)

Step-by-step explanation:

Given the expression 2x+y=5

We are required to look for values of x and y such that when substituted into the given expression will result in the number 5

The Pairs are (-2,9) ,(4,-3)

Let us plug in the values to check

1. (-2,9)

2(-2)+9=5

-4+9=5

5=5 true

2. (4,-3)

2(4)+(-3)=5

8-3=5

5=5 true

7 0
3 years ago
Read 2 more answers
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