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4 years ago

Is x+y+z=z+y+x associative property?

1 answer:

3 0

Nope. This is commutative.
Associative property means that you move numbers around on how they are grouped. (Parentheses)
lol

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Maria, a biologist, is observing the growth pattern of a virus. She starts with 100 viruses that grow at a rate of 17% per hour.

Anuta_ua [19.1K]

Answer:

She will find 1054 viruses.

Step-by-step explanation:

The number of viruses after t hours is given by the following equation:

$N(t) = N(0)(1+r)^{t}$

In which N(0) is the initial number of viruses and r is the growth rate, as a decimal.

100 viruses that grow at a rate of 17% per hour.

This means that $N(0) = 100, r = 0.17$

$N(t) = N(0)(1+r)^{t}$

$N(t) = 100(1+0.17)^{t}$

$N(t) = 100(1.17)^{t}$

She will check on the viruses in 15 hours. How many viruses will she find?

This is N(15).

$N(15) = 100(1.17)^{15} = 1053.87$

Rounding to the nearest whole number:

She will find 1054 viruses.

4 0

3 years ago

−5 + (−5r) + 10 Not that hard but I keep getting stuck

djverab [1.8K]

5-5r

-5 and 10 have like terms, so you can add them
they make positive 5
(-5r) is just -5r, and you can't add it to a number without a variable
so the answer is 5-5r

5 0

4 years ago

Read 2 more answers

What is the mean number of cakes Jenny bakes in a month ?

swat32

Is there any multiple choices ??

6 0

4 years ago

HEY CAN ANYONE PLS ANSWER DIS MATH QUESTION!!!

Mamont248 [21]

Answer:

if its a 9 by9

Step-by-step explanation:

you need AT LEAST 36 feet

5 0

3 years ago

The clockwise distance between North east and south west is

andrezito [222]

<h2>Answer :</h2>

Say it is two o'clock, draw an imaginary line between the hour hand and twelve o'clock to create the north-south line. You know the sun rises in the east and sets in the west so this will tell you which way is north and which way south. If you are in the Southern Hemisphere then it will be the other way round.

<h2>Please mark me as a brainlist...... </h2><h2>Please follow me....... </h2>

5 0

3 years ago