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3 years ago

What is the answer of 8 (-12)

2 answers:

OverLord2011 [107]3 years ago

7 0

the answer is -96 as a negatives and positive multiplied produce a negative. 8 * 12 is a calcultion you can do by columns

Olenka [21]3 years ago

4 0

-96

multiplly the numbers and get 96

a positive and a negative makes a negative

that's why the answer is -96

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Heart beats 2,320 times during 20 minutes of rowing. While resting the heart is beating 16 times in 15 seconds. What is the diff

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Answer: 0.87 times per second (Or 52.2 times per minute)

Step-by-step explanation:

You need to make the conversion from minutes to seconds.

Remember that 1 minute has 60 seconds. Then 20 minutes to seconds is:

$(20minutes)(\frac{60seconds}{1minute})=1,200seconds$

Find the number of times the heart beats in 1 second when it is rowing:

$x_1=\frac{(2,320times)}{1,200seconds}=1.93\ times\ per\ second$

Find the number of times the heart beats in 1 second when it is resting:

$x_2=\frac{(16times)}{15seconds}=1.06\ times\ per\ second$

Then the difference is:

$difference=(1.93-1.06)\ times\ per\ second\\difference=0.87\ times\ per\ second$

(Or 52.2 times per minute)

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3 years ago

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Step-by-step explanation:

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2 years ago

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8.76e+9

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3 years ago

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3 years ago

PLS HELP ! 100 POINTS!!!!! Select the correct answer. This graph represents a quadratic function. What is the value of a in the

Serga [27]

Answer:

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3 years ago

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