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3 years ago

How many tens are in 100

Mathematics

1 answer:

Solnce55 [7]3 years ago

5 0

There are ten tens in 100. 10x10=100. The answer is 10.

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A local hamburger shop sold a combined total of 718 hamburgers and cheeseburgers on Wednesday. There were 68 more cheeseburgers

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i believe its 650 hamburgers

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3 years ago

Picture available : what percent PLEASE HELP: 10 points

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D is the answer for the question

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3 years ago

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Ia had 50 carrot sticks for her

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Step-by-step explanation:

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3 years ago

A biologist recorded a count of 337 bacteria present in a culture after 5 minutes and 699 bacteria present after 15 minutes.

hoa [83]

The initial population was 234.

Explanation

Formula for the exponential growth is: $A= P*e^r^t$ , where P is the initial amount, A is the final amount, r is the rate of growth and t is the time duration.

There was 337 bacteria after 5 minutes and 699 bacteria after 15 minutes. So, the equations will be......

$337=P*e^5^r .................................. (1)\\ \\ 699=P*e^1^5^r ................................. (2)$

Now dividing equation (2) by equation (1) , we will get .......

$\frac{699}{337}=\frac{e^1^5^r}{e^5^r} \\ \\ e^1^0^r = \frac{699}{337}$

Taking 'natural log' on both sides.........

$ln (e^1^0^r) = ln (\frac{699}{337})\\ \\ 10r= 0.7295....\\ \\ r= 0.07295.... \approx 0.073$

Now, plugging this $r=0.073$ into equation (1), we will get......

$337= P*e^5^(^0^.^0^7^3^)\\ \\ 337= P*1.4405 \\ \\ P= 233.946 \approx 234$

So, the initial population was 234.

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3 years ago

Determine which product has the lower unit price: a 5-pound bag of sugar for $1.86 or a 12-pound bag of sugar for $4.45?

katen-ka-za [31]

$12 \div 5 = 2.4$
so
$1.86 \times 2.4 = 4.46$
so at the same weight, the 5 pounder costs 1 cent more

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3 years ago

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