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love history [14]
3 years ago
6

I-Ready

Mathematics
1 answer:
julsineya [31]3 years ago
8 0

i have this exact screen and i dont know the answer

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Marco starts with a population of 10 bacteria that doubles every day for a number of days, d. He writes the expression 10(2d) to
riadik2000 [5.3K]

Answer:

Marco- 10 is the starting value of the population. 2 is the growth rate of "double each day" with d as an exponent.

Isabella- 1 is the starting population. 1+0.2=1.2 is the rate at which it grows each day.

Step-by-step explanation:

Marco's equation should be 10(2^{d}) since the bacteria double each day. 10 is the starting value of the population. 2 is the growth rate of "double each day" with d as an exponent. This will double each day because:

Day 1 is 2^{1}=2

Day 2 is 2^{2}=4

Day 3 is 2^{3}=8

Day 4 is 2^{4}=16

You'll notice the value doubles each day.

Isabella has a different equation because her population increases by a percentage. We use the simple interest formula to calculate the bacteria's daily increase or interest.

1(1+0.2)d

1 is the starting population.

1+0.2=1.2 is the rate at which it grows each day.

3 0
3 years ago
Read 2 more answers
If an object is rotated clockwise 130° around a center and then counterclockwise 75° around the same center, what is the angle b
Keith_Richards [23]
That would be 130 - 75  = 55 degrees answer
6 0
3 years ago
I need help on this question plz and thanku
77julia77 [94]

Answer:

42 cm cubed

Step-by-step explanation:

6x4x4 to find volume of 96 when it is filled.

3x3x6 = 54 to find out what is cut out.

96-54 = 42 cm cubed.

5 0
2 years ago
6x7=(6x5)+(6x2). Of which multiplication property?
tresset_1 [31]
This is the<u> distributive property of multiplication</u> but tricky
the distributiver property says
a(b+c)=ab+ac
7=5+2
6(5+2)=(6 times 5)+(6 times 2)
5 0
3 years ago
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A book weighs 6 pounds.How many ounces is the book?​
BigorU [14]

The book weighs 96 ounces.

One pound is 16 ounces, and 16 x 6 is 96.

6 0
3 years ago
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