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4 years ago

5

Julie is doing an experiment. She is studying a cell that triples every hour. She started the experiment with 24 cells. How many

cells are there at the end of 4 hours?

1 answer:

gtnhenbr [62]4 years ago

7 0

I think the answer would be 288, i hope this helps

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1. Which fraction is bigger than 2/3<br>A. 2/5<br>B. 4/7<br>C. 2/4<br>D. 3/4

mylen [45]

Answer:

3/4

Step-by-step explanation:

When you convert all of them to decimals, 3/4 is the largest.

4 0

3 years ago

Read 2 more answers

What is the rule that describes the following number pattern <br>0,25;2,5;25;250

Marianna [84]

Answer:

aₙ=0.25*10ⁿ.

Step-by-step explanation:

0.25*10=2.5; 2.5*10=25; 25*10=250.., then it can be written as aₙ=0.25*10ⁿ

6 0

2 years ago

HELP ASAPP 30 points!!!!!<br> Which number is rational?

Anna35 [415]

Answer:

d

Step-by-step explanation:

because its a whole number as in the square root is 4

6 0

3 years ago

Allie measured a house and its lot and made a scale drawing. She used the scale 9 inches = 5 feet. What scale factor does the dr

Damm [24]

Answer:

Therefore the scale used is 1 inch : 6.667 inches

Step-by-step explanation:

i) Scale used is 9 inches = 5 feet

ii) Scale used 9 inches = 5 $\times$ 12 inches = 60 inches

iii) Scale used is 1 inch $= \dfrac{60}{9}\hspace{0.2cm} = \hspace{0.2cm}\dfrac{20}{3} \hspace{0.2cm} = 6.667\hspace{0.2cm} inches$

iv) Therefore the scale used is 1 inch : 6.667 inches

3 0

4 years ago

Can somebody help with these two?

kotegsom [21]

Answer:

14: 104.5 square inches

15: 706.5 square inches

Step-by-step explanation:

14: 19x11= 209

209/2= 104.5 square inches

15: formula: pi times the radius squared

15x15= 225

225x3.14= 706.5 square inches

8 0

1 year ago