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coldgirl [10]
3 years ago
13

Help me please.......

Mathematics
2 answers:
babymother [125]3 years ago
6 0
Find the volum of the and minus pi x2.5 squared x4
tangare [24]3 years ago
4 0
Volume of prism= length * width * height
= 10*4*7
= 320cm^3

Volume of cylinder= pi*r^2 * height
Therefore
2.5^2 *pi *4
Hence area is = 78.54 (to 2 decimal places)

Subtract area of cylinder from area or prism
You get= 241.46cm^3
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A nursery has 10 tree seedlings to give out at 2 workshops. It wants to give out a minimum of 2 seedlings at each workshop. How
11111nata11111 [884]

We are given total 10 tree seedlings.

Number of workshops = 2.

Here order doesn't matters.

<em>When order doesn't matters we apply combination.</em>

We know formula of combination:

C(n,r) = \frac{n!}{r!(n-r)!}

For the given situation, we have

n=10 and r=2.

Plugging values in formula, we get

\frac{10!}{2!(10-8)!}  = \frac{10\times 9\times8!}{2!8!}

\frac{10 \times 9}{2} = \frac{90}{2} =45

<h3>Therefore, 45 different ways can the nursery give out seedlings.</h3>
5 0
3 years ago
Could someone help me on this?
timama [110]
The snswer is B lol get smarter
6 0
2 years ago
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Alecsey [184]
X+2y < (or equal to) 10
7 0
3 years ago
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The following is an incomplete paragraph proving that the opposite angles of parallelogram ABCD are congruent:
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<span>Pls. see attachment. 
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6 0
3 years ago
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Fofino [41]

First simplify the one inequality, 6r + 30 greater than or equal to 12 just divide by 6 then subtract 30 from both sides of the inequality. You should get r is greater than or equal to -3. For this one you need to reverse the inequality symbol then divide both sides by -1 to get a positive r, and you get r is less than -12. It's not A because there's two solutions, and it's not D for the same reason. It's not C because r isn't greater than -12. In conclusion it's B because it correctly represents the solutions that make the inequality true. I hope this helps you on your high school application :)

7 0
3 years ago
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