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Nina [5.8K]
3 years ago
14

If this trend continues, in which week will she give a 12-minute speech?

Mathematics
1 answer:
KiRa [710]3 years ago
8 0

Answer:

420

Step-by-step explanation:

if we add 30 to each of the length of speech, we get 420 seconds

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3 years ago
a man has 25 coins in his pocket all of which are dimes and quarters. if the total value of his change is 430 cents, how many di
valentinak56 [21]

Answer:16 quarters and 3 dimes

Step-by-step explanation:

430/25 (Quarters) = 17

25x16

(Because you can’t have 17 since 25x17=425 leaving no room for dimes.)

=400

Now 430-400=30

30 more cent is needed,

30/10(Dime value)

Is 3, so the answer is the man has 16 quarters and 3 dimes

7 0
3 years ago
What is the probability that a coin will be flipped 4 times and the result will be HTHT?
zepelin [54]
I think the answer is 1/16 because there is only one way that HTHT can fall out of 16 possible outcomes. That's what I think. Hope this helps!
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3 years ago
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Musya8 [376]

Answer:

60 minutes

Step-by-step explanation:

7 0
2 years ago
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What output is twice the sum of the input 3 and 4
Andreas93 [3]

Answer:

Required output = 14

Step-by-step explanation:

Sum of the input 3 and 4 = 3 + 4

Twice the sum means two times.

So, to find twice the sum of the input 3 and 4, we need to multiply the sum by 2.

2(3 + 4)

Perform the addition inside the parentheses.

2(3 + 4) = 2(7)

Now, multiply.

2(3 + 4) = 14

Hence, required output = 14

5 0
3 years ago
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