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nirvana33 [79]
3 years ago
7

Help pls.!! 247 heart beats in 6 1/2 minutes

Mathematics
1 answer:
Likurg_2 [28]3 years ago
6 0

Answer: 60

Step-by-step explanation:

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65,754.59 rounded to the nearest tenth
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65,754.6 since the nine would make the five round up to six
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Write the ratio in three different formats:a to b, a:b, and a/b.
Aleks04 [339]
D.
24 is the distance Carlos biked
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7 0
3 years ago
Write N as a discrete exponential function of t of the form N(t)=A(1+r)t. (HINT: You will need to find (1+r), where r is the rat
Whitepunk [10]

Answer:

N(t)=84(1+0.0405)^t.

Step-by-step explanation:

We have been given that N(11)=130 and N(0)=84. We are asked to write N as a discrete exponential function of t of the form N(t)=A(1+r)^t.

Using our given information, we can set an equation as:

N(0)=A(1+r)^0

84=A*1

84=A

Using our given information, we will get:

N(11)=A(1+r)^{11}

Substitute the given values:

130=84(1+r)^{11}

\frac{130}{84}=\frac{84(1+r)^{11}}{84}

1.5476190476190476=(1+r)^{11}

Switch sides:

(1+r)^{11}=1.5476190476190476

Take 11th root of both sides:

\sqrt[11]{(1+r)^{11}}=\sqrt[11]{1.5476190476190476}

1+r=1.04050024747304

r=1.04050024747304-1

r=0.04050024747304

r\approx 0.0405

Therefore, our required function would be N(t)=84(1+0.0405)^t.

5 0
3 years ago
A friend asked lara to help her divide 456.3 by 100. what should lara tell her? a. move the decimal point three places to the ri
Alex73 [517]

Answer:

Step-by-step explanation:

The correct answer is D.  If we are multiplying by 10 we would move the decimal place one place to the right to show that the number is now 10 times bigger.  If we multiply by one hundred.  We are getting 100 times bigger, so we would move the decimal place 2 places to the right.

The opposite is true if we are dividing.  Instead of moving the decimal to the right to show that the number is getting bigger, we move to the left to show that the number is getting smaller.  If we are getting smaller by 10, we would move the decimal one place to the left. In this case, we are getting 100 times smaller so we move the decimal two places to the left.

3 0
1 year ago
How many minutes and seconds worth of songs do you have?
PolarNik [594]

Question 1:

48 + 63 + 28 + 44 + 43 = 226 minutes

41 + 40 + 15 + 1 + 39 = 136 seconds

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The answer is 228 minutes and 16 seconds.

Question 2: 228 minutes = 3 hours and 48 minutes

The answer is 3 hours and 48 minutes, but if you're also counting seconds, add 16 seconds to the end of it.

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