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aleksandr82 [10.1K]
3 years ago
9

HELP! this is for geometry, i really need help on number 13 but if you can help me with the others.

Mathematics
1 answer:
Zina [86]3 years ago
4 0
1 ray DE
2 ray ED
3 ray EC
4 ray CE
5 ray DC
6 ray CD
7 ray CA
8 ray AC
9 ray CB
10 ray BC
11 ray AB
12 ray BA
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Jack is learning to play the piano. Which has 88 keys. If there are 12 unique keys in each octave. How many complete octavs are
Anit [1.1K]
To find the amount of complete octaves there are on the piano, you must first divide 88/ 12; which is 7.333. Since the question is asking for the amount of complete octaves, you must round down to 7. Your final answer is 7 complete octaves.
3 0
3 years ago
a number cube is rolled 160 times. The number 2 comes up 39 times. What is the experimental probability of rolling a 2? What is
adell [148]
Theoretical would be approximately 26.67 
Experimental is 0.24 (24%)
5 0
4 years ago
Find the value of x in this parallelogram
luda_lava [24]

Answer:

i believe is it 127°

Step-by-step explanation:


7 0
4 years ago
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What is -9/12 + 4/12=
Fantom [35]

Answer:

I think it would be -0.416 but I'm not real sure so make sure before using my answer! :3 Have a great day!

6 0
4 years ago
Write the sum of the numbers as the product of their GCF and another sum. Include work if possible.
trasher [3.6K]
It <span> looks like the first thing you have to find is their GCF, ya reckon ?</span>

The factors of  56  are  1, 2, 4, 7, 8, 13, 28, and 56 .

The factors of  64  are  1, 2, 4, 8, 16, 32, and 64 .

The common factors are  1, 2, 4, and 8 .

The greatest one is  8 .

56/8 = 7
64/8 = 8

56  plus  64 = (8 times 7)  plus  (8 times 8)

<span>56  plus  64 =  </span>8 times (7 plus 8)<span>    <== that's the answer</span>

Check it out:

<span>56  plus  64 = </span>120

<span>8 times (7 plus 8) = 8 times 15 = </span><span>120</span>
6 0
3 years ago
Read 2 more answers
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