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xxMikexx [17]
3 years ago
10

Help me what's the answer

Mathematics
2 answers:
borishaifa [10]3 years ago
7 0
1/3 of an our is 20 minutes, so to find a whole hour you need to multiply 2 1/10 by 3

2×3=6
1×3=3
10×3=30

your new fraction is 6 3/30, now simplify 3 and 30 by 3

3÷3=1
30÷3=10

your answer is now 6 3/10 so your answer is D.

hope this helped!

TEA [102]3 years ago
4 0
You have to divide 2 and 1/10 by 1/3 and it would equal 21/10 divided by 1/3 then you multiply the two numbers and you get 63/10 then you divide the two numbers and your final answer would be 6 and 3/10

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If AK= 14, EK=17, BK= 7 , What is the length of DK? 12.7 8.5 7.0 3.5
Elden [556K]
To get the value of DK we use proportionality:
AK/EK=BK/KD
thus plugging the values we get:
14/17=7/KD
getting the reciprocal of getting both sides we have:

17/14=KD/7
thus
KD=17/14×7
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8 0
3 years ago
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IceJOKER [234]

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2 years ago
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Complete the identity
spin [16.1K]

Answer: cos(\pi-x)=-cos(x)

Step-by-step explanation:

We need to apply the following identity:

cos(A - B) = cos A*cos B + sinA*sin B

Then, applying this, you know that for cos(\pi-x):

cos(\pi-x)=cos(\pi)*cos(x)+sin(\pi)*sin(x)

We need to remember that:

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Therefore, we need to substitute these values into cos(\pi-x)=cos(\pi)*cos(x)+sin(\pi)*sin(x).

Then, you get:

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8 0
3 years ago
Mrs. Evans gave her class a 100-page reading assignment. After 2 days, Kya and
Zarrin [17]

Answer:

so the answer is 20 because u know how she take it for days

4 0
2 years ago
Andy has a collection of movie dvds. in andys collection 3/5 of the dvds are action 1/4 of the dvds are comedy. andy said that 4
Lerok [7]
If 3/5 are action and 1/4 are comedy then:

(3/5)+(1/4) are action or comedy

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(3/5)*(4/4)+(1/4)(5/5)

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17/20

So 17/20 (85%) of his collection are action or comedy not 4/9...


4 0
3 years ago
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