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3 years ago

7

In Tyrone's science class he is studing cells. Cell A divides every 30 minutes. If Tyrone starts with two cells, how many cells

will he have in 3 hours?

1 answer:

SashulF [63]3 years ago

5 0

In 1 hour you'll have 4 cells so multiply that by 3 and you will have 12 cells in 3 hours

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One number is 7 more than twice another. If their difference is 22, what is the larger number?

ICE Princess25 [194]

The larger number is 37 :) the smaller is 15

3 0

4 years ago

Read 2 more answers

The length of a rectangle is half the width. The area is 25. What’s the perimeter

Pavel [41]

Answer:

the perimeter is 30

Step-by-step explanation:

ok so lets say this

width= x

length= 2x

the area is

A= wl

or

25 = x(2x)

25= 2x^2

5 = x thats the width so we know that if we double that we get the legnth so

the legnth is 10

the perimeter is defined as:

2l +2w =p

insert the width and legnth

2(5) + 2(10) = p

10+ 20= p

p= 30

6 0

3 years ago

Add five thousand, three hundred and twelve thousandths to the product of one and thirty six hundredths and 15

MAVERICK [17]

First find the product of 1.36 and 15

1.36×15=20.4

5,300.012+20.4= 5,320.412

hope this is what you are looking for

7 0

3 years ago

117 Mr. Turtle, Mrs. Squirrel and Ms. Pigeon work at the Magic Forest's post office. Mr. Turtle can

insens350 [35]

Using proportions, it is found that the same job will take Mrs. Squirrel 6 hours.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

The times are given as follows:

Mrs. Squirrel: x.

Mr. Turtle: 3 days.

Mr. Pigeon: 30 minutes = Half an hour = 1/48 day.

The ratios are as follows:

Turtle/Squirrel = Squirrel/Pigeon.

Hence:

$\frac{3}{x} = \frac{x}{\frac{1}{48}}$

$x^2 = \frac{3}{48}$

$x^2 = \frac{1}{16}$

$x = \sqrt{\frac{1}{16}}$

x = 1/4.

It takes 1/4 of a day for Mrs. Squirrel to do the job, hence 1/4 x 24 hours = 6 hours.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

4 0

2 years ago

Quadrilateral A'B'C'D'is the result of rotating quadrilateral ABCD by 60° about the origin.

Slav-nsk [51]

Answer:

a. No

b. Yes

c. No

Step-by-step explanation:

a. For BC and B'C to both be parallel to the y-axis when BC is parallel to the y-axis the figure must be rotated by a multiple of 180 degrees.

b. When you rotate a figure none of the angles in the figure change.

c. For D and D' to have the same coordinates the figure must be rotated by 360.

6 0

3 years ago