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3 years ago

9

8 over 9 + 7 over 9 bjf

2 answers:

valkas [14]3 years ago

6 0

Answer:

That would be 0.87

Step-by-step explanation:

Is that the answer you wanted...?

Bogdan [553]3 years ago

6 0

Answer:

15/9= 1 6/9

Step-by-step explanation:

8/9+ 7/9 is basically doing 8+9. But remember you need a common denominator to add fractions.

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-3 (2m+5)+8=5 (-2m+1)

Zanzabum

I just worked out the problem twice and got -4.5 both times.

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3 years ago

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svp [43]

The mean of the data is 11

now we find the difference between the mean and each number
1, 2, 3, 0.5, 0.25, 1.25, 1.

now we square the numbers
1, 4, 9, 0.25, 0.0625, 1.

now we find the mean of the new numbers
which is 2.1875

2.1875 is your standard deviation.

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3 years ago

Estimate the product by rounding 5×5,503

likoan [24]

Answer:

5x5 = 25

5x0,5 = 2.5

5x0,03 = 0.15

Adding them makes: 25+2.5+0.15 = 27.75

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3 years ago

Which constant term would mean that the expression is completely factored? x2 – 3x

kolbaska11 [484]

Factor x2−3x−10x2−3x−10=(x+2)(x−5) Answer: (x+2)(x−5)

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7 0

2 years ago

At 10:05 a.m., there are 2 microscopic bacteria cells in the bottle. At 10:15 a.m., there are 8 cells in the bottle.

zloy xaker [14]

Answer: At 10:20 a.m., there will be 16 cells in the bottle.

At 10:30 a.m. there will be 64 cells in the bottle .

Step-by-step explanation:

Since we have given that

At 10:05 a.m. number of microscopic bacteria cells in the bottle = 2

At 10:15 a.m. number of microscopic bacteria cells in the bottle = 8

It means in every 5 times the number of microscopic bacteria cells in the bacteria gets twice itself.

So, by following the same pattern we can get that,

At 10:20 a.m. number of microscopic bacteria cells in the bottle is given by

$8\times 2=16$

Hence, At 10:20 a.m., there will be 16 cells in the bottle.

Similarly,

At 10:25 a.m. number of microscopic bacteria cells in the bottle is given by

$16\times 2=32$

At 10:30 a.m. number of microscopic bacteria cells in the bottle will be

$32\times 2=64$

Hence, At 10:30 a.m. there will be 64 cells in the bottle .

8 0

3 years ago

Read 2 more answers