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pogonyaev
2 years ago
12

Find the mean of 12 ,10,12,14,8,15,8,9,6,5​

Mathematics
2 answers:
il63 [147K]2 years ago
5 0

Answer:9.9

Step-by-step explanation:

Add up the scores and dividing the total by the number of scores.

Svet_ta [14]2 years ago
4 0

Answer:

9.9

Step-by-step explanation:

12+10+12+14+8+15+8+9+6+5 =99

99÷10=9.9

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inna [77]

Answer: 20

Step-by-step explanation:

By CPCTC,

3x-10=2x+10\\\\x=20

6 0
2 years ago
Simplify the algebraic expression. -2(x - 5) + 4(9 + x)
AnnZ [28]

Answer:

2x+46

Step-by-step explanation:

-2(x-5)+4(9+x), Multiply

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5 0
3 years ago
One night Ricky and her brother Micky decide to have some fun at their father's sweet shop. In the
vova2212 [387]

Answer:

a) 3034

b)249

Step-by-step explanation:

jellyb beans: 7*135= 945

choc buds: 9*121=1089

smarties: 12*70=840

liquorice sticks: 32*5=160

a) the total number of sweets: 945 + 1089 + 840 + 160 = 3034

b) the difference between the number of choc buds and the number of smarties: 1089 - 840 = 249

<em>P.S. Hope it helps. If you have any questions, feel free to ask them in the comment section below. I'll be happy to help. Have a wonderful day!</em>

8 0
2 years ago
What is the ratio for the volumes of two similar cylinders, given that the ratio of their heights and radio is 2:3?
gtnhenbr [62]
The answer will be a because they are similar and by law the ratio can be cubed to find ratio of volume
6 0
3 years ago
What is the slope of the line?<br><br> A. 3<br><br> B. -3<br><br> C. 1/3 <br><br> D. -1/3
Inessa05 [86]

Answer:

B. -3

Step-by-step explanation:

Starting from the y-intercept of [0, -2], you do <em>rise\</em><em>run</em><em> </em>by either moving three blocks <em>north</em><em> </em>over<em> </em>one block <em>west</em><em>,</em><em> </em>or three blocks <em>south</em><em> </em>over one block <em>east</em><em> </em>[<em>west</em> and <em>south</em> are negatives].

I am joyous to assist you anytime.

3 0
3 years ago
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