1. A scientist is growing cell cultures and examining the effects of various substances on them as part of his research. The culture in one petri dish increases according to the expression +47 + 4 for timet in minutes. Another increases according to 12 + 2t+4. He needs to feed all the cells equally, so he needs to know the expression for the total number of cells in both dishes because the food is proportional to the total number of cells. Find the expression.​

Answers

Answer 1

Pay attention in class


Related Questions

Will spent $40 at the fair. It cost $20 to get in the fair and $0.50 per ticket to ride the rides. How many tickets did Will buy? A. 40 B. 20 C. 120 D. 30

Answers

Answer:

B.20

Step-by-step explanation:

Find the probability that you will roll an even number exactly 5 times when you:

roll a six-sided number cube 10 times.
P =0.246

roll a six-sided number cube 20 times.
P =0.015

Explain why the second result is less.

Answers

Because you are rolling the cube more times, the probability of rolling an even number decreases. You have to divide by a bigger number, which always means the result will be smaller.

Please mark brainliest would greatly be appreciated.

Answer:

Sample Response: As the number of trials changes, the distribution changes. Since there is a 50% chance of rolling an even number, having a small number of successes is less likely when the number of rolls increases.

Step-by-step explanation:

I just did the Assignment on EDGE2020 and it's 200% correct!  

Also, heart and rate if you found this answer helpful!! :) (P.S It makes me feel good to know I helped someone today!!)  :)  

10. Which equations could be used to solve
for x? Circle all that apply.

Answers

Answer: B and D

Step-by-step explanation:

The lengths of the sides of the triangle are 13cm, 14 cm, and 15 cm. Is the triangle a right triangle?
Yes or No?

Show your work to receive brainliest! (lots of points)

Answers

Answer:

No, it is not a right triangle.

Step-by-step explanation:

If the triangle was a right triangle, then the Pythagorean Theorem states that a^2 + b^2 = c^2. Let's test it on this triangle:

13^2 + 14^2 = 365, or c^2. If this is a right triangle, c should equal 15.

However, sqrt(365) = 19.1, which is not 15. So, the triangle is not a right triangle.

Jackie has a puzzle book that contains a total of 70puzzles she has completed 2/5 of the puzzle in the book if Jackie completes 18 more puzzles what is the total number of puzzles that she will has completed in the book ?

Answers

Answer: 46 puzzles

Step-by-step explanation:

There are 70 puzzles in total in the book.

Jackie has completed 2/5 of these puzzles which is:

= 2/5 * 70

= 28 puzzles

Jackie has completed 28 puzzles. She then completes 18 more. The total number of puzzles completed is:

= 28 + 18

= 46 puzzles

Jeremy and his classmates conduct an experiment with a set of weights and a spring. They record their results in the table.
Use the table to answer Items 21-24.
2
Student
Mass (lb)
Spring Stretch (in.)
Jeremy
5
7.5
Adele
I
12
Roberto
14
21
Shanice
21
36
Guillaume
28
42
21. Make a graph of the data.

Answers

Here's link to the answer:

tinyurl.com/wpazsebu

URGENT, PLEASE ANSWERR If someone who is 5 feet tall uses a potato gun to shoot a potato in the air at 100 feet per second, we can use the function ℎ()=−162+100+5 to calculate how far the potato will be from the ground at any given second (t). What does the h(0) represent in the context of the problem?

Answers

Given:

Consider the function is:

[tex]h(t)=-16t^2+100t+5[/tex]

This function is used to calculate how far the potato will be from the ground at any given second (t).

To find:

The value of h(0) and its meaning in the context of the problem.

Solution:

We have,

[tex]h(t)=-16t^2+100t+5[/tex]

At t=0,

[tex]h(0)=-16(0)^2+100(0)+5[/tex]

[tex]h(0)=0+0+5[/tex]

[tex]h(0)=5[/tex]

Therefore, the value of h(0) is 5. It means the potato is 5 feet from the ground at the time of shooting.

Find the value of x. Show your work.

Answers

Answer:

54=x

Step-by-step explanation:

90=43+(x-7)

47=x-7

54=x

symbolab is great for math equations btw

Help please due in in 10 minutes

Answers

Answer:

answer is G

zeros are 3, -5

brainlist if you get this right please :)

hii please help i’ll give brainliest!!

Answers

Answer:

very top

Step-by-step explanation:

i had a test on it a week ago

pls give brinliest

first one correct me if wrong

Can somebody please help me out with this question? Asap

Answers

A. Simplify x + 8 to 8x.

Help me with this plz.....???????????????!?????!!!!!!!

Answers

Answer:

Check pdf

Step-by-step explanation:

23.3238 rounded to the nearest hundreath

Answers

Answer:

23.32

Step-by-step explanation:

the hundredths place is the 2 spot after the decimal

and if the # to the right of that # is 5 or grater you add a one

if it is 4 or lower you keep the # the same

23.3238

because 3 is next to the second place the 2 just stays the same

so now it's

23.32

Which pairs of fractions are equivalent? Mark all that apply. 4/5 and 8/12 2/3 and 10/15 1/6 and 3/18 2/7 and 6/20

Answers

Answer:

2/3 and 10/15 1/6 and 3/18

Step-by-step explanation:

to determine which fractions are equivalent, we multiply each fraction by 100

4/ 5 x 100 = 80

8/12 x 100 = 66.67

4/5 and 8/12 are not equivalent

2/3 x 100 = 66.7

10/15 x 100 = 66.7

2/3 and 10/15 are equivalent

If 10/15 is expressed in its simplest form. that is if both numerator and denominator are divided by 5, it would equal 2/3

1/6 x 100 = 16.7

3/18 x 100 = 16.7

1/6 and 3/18 are equivalent

If 3/18 is expressed in its simplest form. that is if both numerator and denominator are divided by 3, it would equal 1/6

2/7 x 100 = 28.6

6/20 x 100 = 30

2/7 and 6/20 are not equivalent


In the following figure, the value of xs is
20
35

Answers

Where's the figure?

Sidhdi

Where’s the figure? You have to take a picture or write it down so people can solve it

help pls will get brainlest

Answers

Step-by-step explanation:

the answer to your question is

a

Answer:

54 inches squared.

Step-by-step explanation:

(6*3) + (6*3) + (3*3) + (3*3). The areas of the faces added together. It is basically the perimeter of a 3D shape, except instead of measuring 2D sides, it is 3D shaped faces.

help me solve this please

Answers

Answer:

2) 62°

Step-by-step explanation:

since there is a straight line (can also be called as a semi-circle), that gives us an idea that it is a 180 degree, because a whole circle is 360 degrees.

180-118 = 62°

Answer:

59° and 62°

Step-by-step explanation:

here's your solution

=> in the first picture , we know that sum of all angle on a straight line is 180°

=> so, angle ( ? + 121 ) = 180°

=> ? = 180° - 121°

=> ? = 59°

now , in second picture

=> ( x + 118° ) = 180°

=> x = 180° - 118°

=> x = 62°

hope it helps

trigonometry please help! work need to be shown

Answers

Answer:

6.13

Step-by-step explanation:

This diagram shown is a right triangle;

USing the SOH CAH TOA idenity

Adjacent = x

Hypotenuse = 8

Angle of elevation = 40 degrees

cos theta = adj/hyp

cos 40 = x/8

x = 8cos40

x = 6.13

Hence the value of x to the nearest hundredth is 6.13

Translate the description as an algebraic expression:
a multiplied by the cube of 15

Answers

Answer:

t's no big surprise that variables act like pronouns, because (believe it or not) math is basically its own language, defined by numeric and logical rules. Therefore, one of the first skills you must master is how to translate regular English into this new (much geekier) math language. For now, I will help you translate English phrases into mathematical phrases, called

Step-by-step explanation:

Answer:

or

a(3375)

Step-by-step explanation:

You are multiplying a by the cube of 15

15 cubed = [tex]15^{3}[/tex] = 3375

How do you graph it ?

Answers

Answer:

It should look like this

Step-by-step explanation:

hope it helps

1. Sketch the graph of f(x) = 3* and describe the end behavior of the graph.
id
X
8
6
-2
4
-1
I
2
0
-10-9-8-7 -6 -5 -4 -3 -2 -1 10
0
2.
3 4 5 6 7 8 9 10
o
-2
1
-4
2.
-6
-8

Answers

What the help is this

if i have 9,999 points and divide that by 33 then subtract that by 99 and then add 738 how much will i have left lol

Answers

Answer:

942

Step-by-step explanation:

Answer:

942

Step-by-step explanation:

9999 divided by 33 equals 303

303 minus 99 equals 204

204 plus 738 equals 942

At Clovis’s Hat Store, 30% of the hats are baseball caps. There are 60 baseball caps.
How many total hats are there? plzz help

Answers

Answer: 18

Step-by-step explanation:  to find 30% of 60 you have to convert 30% to a decimal 0.30 then multiply 0.30 by 60. if you solve correctly you should get 18.

A construction worker drops a hammer from 25m. How long will it take for the hammer to hit the ground? H(t)= -4.9t^2 +v +h

Answers

Answer:

the time taken for the hammer to hit the ground is 2.26 s.

Step-by-step explanation:

Given;

height through which the hammer falls, h = 25 m

The time taken for the hammer to hit the ground is calculated as;

[tex]h(t) = ut + \frac{1}{2} gt^2\\\\h(t) = 0 + \frac{1}{2} (9.8)t^2\\\\h(t) = 4.9t^2\\\\t = \sqrt{\frac{h(t)}{4.9} } \\\\t = \sqrt{\frac{25}{4.9} } \\\\t = 2.26 \ s[/tex]

Therefore, the time taken for the hammer to hit the ground is 2.26 s.

Problem
3. The diagram shows the distance a tortoise can
walk if it walks at a constant pace for 15
minutes. At the same rate, how many
kilometers can the tortoise walk in 1 hour?
Write your answer as a decimal.
Minutes H
0
15
Meters
+
400
0

Answers

Explanation is in the file

tinyurl.com/wpazsebu

is x+y=3 and x+y=7 a one solution, no solution, or an infinitely many solution

Answers

Answer:

No solution

Step-by-step explanation:

The lines are parallel because they have the same slope.

Elimination method also just gives you 3 = 7 which is not true, therefore no solutions.

30% of what number is 7.5?

Answers

Answer should be 2.25

The vertices of △JKL are J(−3, 4), K(3, 0), and L(−5, −4). The equation of the median to J is y=0. What are the coordinates of the centroid of △JKL?

Answers

Answer:j

Step-by-step explanation:

The coordinates of the centroid of △JKL are (-5/3 , 0)

What is centroid of a triangle and its coordinates?

The point of intersection of a triangle's medians is its centroid (the lines joining each vertex with the midpoint of the opposite side).

If the triangle has its vertices as  [tex](x_1, y_1), (x_2, y_2) , \: (x_3, y_3)[/tex], then the coordinates of the centroid of that triangle is given by:

[tex](x,y) = \left( \dfrac{x_1 + x_2 + x_3}{3} + \dfrac{y_1 + y_2 + y_3}{3} \right)[/tex]

The vertices of ΔJKL lies in first quadrant because the coordinated of the vertices are positive which means the vertices are in the form of (x,y).

If the ΔJKL reflects along the x-axis then the vertices are in the form of (x,-y). Now the  ΔJKL reflects along the y-axis then the vertices are in the form of (-x,-y).

The given coordinates of the the vertices after transformation is J(−3, 4), K(3, 0), and L(−5, −4).

The equation of the median to J is y=0.

(-3 + 3 - 5 / 3 , 4 + 0 - 4/ 3) = (-5/3 , 0)

Learn more about centroid here:

https://brainly.com/question/7358842

#SPJ2

NEED HELP ASAP|!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

thanks for freepoints

have q nice dayyyyy

love youuuuuuuuuu

hope all your dreams come true

hahahahahahahahahah

Miranda opened a checking account with $560 from her summer job. She
withdrew the same amount each week for 13 weeks. Her balance was then
$365. Solve the equation 560 - 13m = 365 to find how much money m she
withdrew each week.

Answers

Answer:

The answer is $15.00 :)

Step-by-step explanation:

I took the test and that was the correct answer I got for this problem

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