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Elena L [17]
3 years ago
14

Find the perimeter of a rectangle with length 14 centimeters and width 9 centimeters. 46 cm. 23 cm. 53 cm. 30 cm.

Mathematics
1 answer:
Ludmilka [50]3 years ago
7 0
The answer is 46 cm because you just add each side up! Two sides of the rectangle are 14 cm and two sides are 9 cm. Just do 14+14+9+9! Your answer is 46
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A researcher determines that the number of bacteria increase at a rate modeled by =25*2^x. What is the growth rate?
dolphi86 [110]

Answer:

100%

Step-by-step explanation:

An exponential equation with a growth rate can be expressed as: f(x)=A(1+r)^x where r is a positive number, and represents the growth rate.

In this case since the base of the exponent equals 2, that means r=1, since 1+1=2. This means it has a growth rate of 100%, which makes sense, since the base is 2, meaning it doubles or increases by 100% every time x increases by 1.

5 0
2 years ago
Please help , thank you !!!!!!1
Lynna [10]
Answer is 7.
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6 0
3 years ago
From a group of 11 people, you randomly select 2 of them. What is the probability that they are the 2 oldest people in the group
Artemon [7]

Answer:

2/11

Step-by-step explanation:

Probability is the LIKELIHOOD of an event.

According to the word problem, there are 11 people in total and 2 of them are being selected.

The probability of them being the 2 oldest people is 2 in 11, or 2/11.

8 0
2 years ago
Please tell me what this is (correct answer)
Kamila [148]

Answer:

3.17

Step-by-step explanation:

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6 0
3 years ago
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