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diamong [38]
3 years ago
5

The mean (average) of 4 numbers is 88.

Mathematics
2 answers:
yawa3891 [41]3 years ago
7 0

Answer:

92

Step-by-step explanation:

add all the numbers and divide by 4, it is 88!

adoni [48]3 years ago
3 0
Here is your answer mate✌️

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What is the exponential function that best models the number of gnats the scientists have gathered after the number of hours lis
Serjik [45]

Answer:

Option A

f(x) = 12.5(1.6)^x

Step-by-step explanation:

The number of gnats the scientists have gathered

At 0 hours, they gathered 12 gnats.

Checking all the options, applying x = 0 makes the index part become 1 (Anything raised to the power zero is 1).

So, we have the following functions

f(x) = 12.5

f(x) = 12.6

f(x) = 6.2

f(x) = 1.6

This has reduced our work, as we can screen out options C and D, they are too far from 12. This leaves us with option A and B.

At 1 hour, they gathered 20 gnats.

Checking options A and B

A. f(x) = 12.5(1.6)

= 20

B. f(x) = 12.6(6.2)

By inspection, 12 × 6 is already 72,

12.6 × 6.2 will be more.

By these, we can conclude that f(x) = 12.5(1.6)^x has the best models the number of gnats the scientists have gathered after the number of hours listed in the given table.

5 0
3 years ago
Each student in fifth grade at Blanton elementary brought $15 to the book fair.they brought $1,245 all together,how many fifth g
dangina [55]
First add 15$ then add $1,245 all together as it says and it should give u the answer
5 0
3 years ago
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What is another way to write 54 ?
Luba_88 [7]

Answer:

Step-by-step explanation:

5 0
3 years ago
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(2×10^6 )×(0.00009)<br><br> IN SCIENTIFIC NOTATION
pshichka [43]
In scientific notation the answer is: 0.00018 x 10^6
4 0
3 years ago
ILL MARK AS BRAINLIST IF U GET IT RIGHT it’s khan
Sergeeva-Olga [200]

Answer:

5

Step-by-step explanation:

given that x and y are proportional, they can be expressed as y = rx, where r is the proportionality constant. Thus, we can solve for r by doing y/x in any given point.

\frac{8}{1.6} = \frac{15}{3}  = \frac{22}{4.4} = 5

8 0
3 years ago
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