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nata0808 [166]
3 years ago
13

What I Can Do

Mathematics
1 answer:
Ber [7]3 years ago
5 0

Answer:

You should have a graph that has the words on the y axis Grade 7 Grade 8 Grade 9 and Grade 10 on each differnt line. Than put the number corosponding to the grade on each line, making the graph rise up and down.

Step-by-step explanation:

Can't make one.

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In how many ways can 2 juniors and 2 seniors be selected from a group of 8 juniors and 6 seniors?
tamaranim1 [39]
I think it is 1/4 + 1/3 =7/12
3 0
3 years ago
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During a certain period in life of an earthworm it's length L cm is directly proportional to the squareroot of N where N is the
Ierofanga [76]
<h2>Answer:</h2><h2>The equation connecting L and N is L = 2.5 √N</h2>

Step-by-step explanation:

Given, during a certain period in life of an earthworm it's length L cm is directly proportional to the squareroot of N

Let L be the length of the earthworm,

N be the number of hours after its birth one hour after an earthworm is born  

The equation conecting L and N is,

L = k√N  where k is a constant whose value we can find using the given information:

When N = 1, L = 2.5

2.5 = k√1

k = 2.5

Therefore L = 2.5 √N

6 0
3 years ago
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Find the Total Surface Area and the Volume of these shapes:
fiasKO [112]

Answer:

6156

Step-by-step explanation:

formula is TSA=2LW+2LH+2HW

7 0
3 years ago
Triangles A and B have vertical heights x cm and (x+3) cm respectively. The areas of Triangles A and B are 30cm² and 32cm² respe
PolarNik [594]

Answer:

Hi,

Step-by-step explanation:

Let say a the base of the triangle A and b the base of the triangle B.

a)\\\left\{\begin{array}{ccc}\dfrac{a*x}{2}&=&30\\\dfrac{b*(x+3)}{2}&=&32\\b=a-4\\\end{arraqy}\right.\\\\(i): a=\dfrac{60}{x}\\\\(ii): b=\dfrac{64}{x+3}\\\\b)\\\dfrac{64}{x+3}=\dfrac{60}{x}-4\\\\64x=(60-4x)*(x+3)\\\\4x^2+16x-180=0\\\\x^2+4x-45=0\\\\\Delta=16+4*45=196=14^2\\x=\dfrac{-4+14}{2}=5\ or\ x=\dfrac{-4-14}{2}=-9\ (impossible)\\So\ x=5,\ a=\dfrac{60}{5}=12, b=\dfrac{64}{5+3}=8\\\\Area\ of\ A=12*5/2=30\\Area\ of\ B=8*8/2=32\\\\Height\ of\ triangle\ B=x+3=5+3=8.\\

3 0
2 years ago
Taylor buys 6 bus tickets. He pays for the tickets with a $20 bill.
4vir4ik [10]

Answer:

20 - 6c

Step-by-step explanation:

because that shows that 6c is the cost of them and you'd take the cost of them away from how much he payed i guess

6 0
3 years ago
Read 2 more answers
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