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mars1129 [50]
2 years ago
13

Subtract write in simplest form -2.45 - (-3.9)

Mathematics
1 answer:
nika2105 [10]2 years ago
4 0

Answer:

1.45

Step-by-step explanation:

-2.45 - (-3.9)

-2.45 + 3.9

1.45

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Make the following changes to the number 5.376: Make the 3 worth 10 times as much. Makethe5worth_1 asmuch.
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Step-by-step explanation:

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A number rounded to the nearest tenth is 0.6. which could be the original number before rounding?
Dafna1 [17]

Answer:

3rd choice 0.57

Step-by-step explanation:

when rounding to the tenth place we look at the hundreds place and when it greater than or at 5 we round up and when it's less than 5 we round down.

1) explanation:0.7 when rounding to the tenth place. since the 8 was greater than 5 we round-up and get 0.70.

2)explanation: 0.5 when rounded to the tenth place the hundreds place which is 2 is less the 5 so we round down and get 0.50.

3)explanation: 0.6 when rounded its hundreds place is greater than 5 so we round up and get 0.60.

4)explanation: 0.7 when rounding to the tenth place. since the 9 was greater than 5 we round-up and get 0.70.

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4 0
2 years ago
A coin is flipped 4 times. what is the probability of the coin landing on tails all 4 times
DaniilM [7]

Half the chance of landing tail once(1/2)

Half the chance of land tails four times (1/2 of 1/2 of 1/2 of 1/2)

1/16

6 0
3 years ago
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3 years ago
Damien has 30 coins, all nickels and dimes. The total value of all these coins is $2.05. How many nickels does he have?
Damm [24]

Hi there!

nickels:19

We know that there is only nickels and dimes in his coin collection..

<u><em>1.Multiply two terms:</em></u>

<u><em /></u>10<u><em>·</em></u>10=1.00<u><em /></u>

<u><em>Then there would be 20 nickels but 1+1=2 not 2.05.</em></u>

<u><em>2.Multiply the terms:</em></u>

<u><em /></u>11<u><em>·</em></u>10=1.10<u><em /></u>

<u><em /></u>19<u><em>·</em></u>5=0.95<u><em /></u>

<u><em>3.Combine the two terms:</em></u>

<u><em /></u>1.10+0.95=2.05<u><em /></u>

Therefore, there would be 19 nickels...

<u><em /></u>

4 0
3 years ago
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