A jar contains some bacteria. Every day the number of bacteria
doubles. After 20 days the jar is full. When was the jar one-eighth
full?

Answers

Answer 1

Answer:

Day 2

Step-by-step explanation:

Every 20 days, one jar is full.

To find when it was 1/8 full, we multiply the 20 days by 1/8.

20 x 1/8 =  2

Day 2


Related Questions

Determine whether the relation is a function.
c= {(8,3), (-9,-4), (2,3), (4, - 7)}

Answers

Answer:

It is a function

Step-by-step explanation:

It is a function because each input corresponds to exactly one output.

what is the solution for 96 = 12d?

Answers

d = 8

Divide both sides of the equation by the same term

Answer:

d = 8

Step-by-step explanation:

Step 1: Divide both sides by 12.

[tex]12d/12 = 96/12[/tex] [tex]d=8[/tex]

Therefore, the solution is 8.

The data below represents the number of hours an office assistant spends on the phone every week for 15 weeks.
19, 6, 10, 7, 9,5, 8, 9, 12, 9, 17, 14, 17, 18, 19
Which box plot represents this data?
o
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Answers

Answer:

The data below represents the number of hours an office assistant spends on the phone every week for 15 weeks. 19, 6, 10, 7, 9, 5, 8, 9, 12, ...

2 answers

·

28 votes:

The information given shows that it has a mean of 11.93, a median of 10 and an interquartile ...

Step-by-step explanation:

help pleeaseeee
Round to the nearest ten, hundred, or thousand:

1.) Round to the nearest thousand 6,471.


Estimate each sum, difference, or product by first rounding to the nearest hundred.

2.) 41,348 + 19,749 3.) 38,652 - 14,549 4.) 396 • 748


Solve the equations:

5.) t + 28 = 54 6.) 28x = 168 7.) 27 = y + 12


Simplify:

8.) 10 • 24 - (18 + 2) ÷ 4 - (9 - 7) 9.) (80 ÷ 16) x [(20 - 56 ÷ 8) + (8 • 8 - 5 • 5)]


Evaluate the exponential notation:

10.) 5 to the power of 4


11.) 6 cubed


Sort out:

12.) Natasha has $196 and wants to buy a computer for $698. How much more do you need?


13.) Toni has $406 in her checking account. He is paid $78 for a part-time job and deposits it into his checking account. What is the balance in your account now?


14.) A beverage company packed 228 cans of soda in 12-can cases. How many cartons were filled?

Answers

Answer:

Step-by-step explanation:

Round to the nearest ten, hundred, or thousand:

1. 6,471 to need to the nearest thousand is 6,000

Estimate each sum, difference, or product by first rounding to the nearest hundred.

2. 41,348 + 19,749 ==> 41,300 + 19,700 = 61,000

3. 38,652 - 14,549 ==> 38,700 - 14,500 = 24,200

4. 396 • 748 ==> 400 • 700 = 280,000

Solve the equations:

5. t + 28 = 5

      - 28   -28

t = 26

6. 28x = 168

  /28       /28

x = 6

7. 27 = y + 12

-12          - 12

15 = y or y = 15

Simplify:

8. 10 • 24 - (18 + 2) ÷ 4 - (9 - 7)

10 • 24 - 20 ÷ 4 - 2

240 - 5 - 2

240 - 7

233

9. (80 ÷ 16) x [(20 - 56 ÷ 8) + (8 • 8 - 5 • 5)]

(80 ÷ 16) x [(20 - 56 ÷ 8) + (64 - 25)]

5 x [(20 - 7) + (64 - 25)]

5 x [13 + 39]

5 x 52

260

Evaluate the exponential notation:

10. [tex]5^4[/tex]

11. [tex]6^3[/tex]

Sort out:

12. Natasha has $196 and wants to buy a computer for $698. How much more do you need?

698 - 196 = $502 <== final answer

13. Toni has $406 in her checking account. He is paid $78 for a part-time job and deposits it into his checking account. What is the balance in your account now?

406 + 78 = $484 <== final answer

14. A beverage company packed 228 cans of soda in 12-can cases. How many cartons were filled?

228/12 = 19 cartons filled <== final answer

Hope this helps!

Answer:

1. 6,471 rounded to the nearest thousand is 6,000.

2. 41,348 rounded to the nearest hundred is 41,300, and 19,749 rounded to the nearest hundred is 19,700. Their sum rounded to the nearest hundred is 61,000.

3. 38,652 rounded to the nearest hundred is 38,600, and 14,549 rounded to the nearest hundred is 14,500. Their difference rounded to the nearest hundred is 24,100.

4. 396 rounded to the nearest hundred is 400, and 748 rounded to the nearest hundred is 700. Their product rounded to the nearest hundred is 280,000.

5. Subtracting 28 from both sides of the equation, we get t = 26.

6. Dividing both sides of the equation by 28, we get x = 6.

7. Subtracting 12 from both sides of the equation, we get y = 15.

8. 10 • 24 = 240. 18 + 2 = 20. 20 ÷ 4 = 5. 9 - 7 = 2. Therefore, the expression simplifies to:

240 - 5 - 2 = 233.

9. First, we need to evaluate the expressions inside the parentheses:

56 ÷ 8 = 7

8 • 8 = 64

5 • 5 = 25

20 - 7 = 13

64 - 25 = 39

Substituting these values into the expression, we get:

80 ÷ 16 x (13 + 39) = 5 x 52 = 260.

10. 5 to the power of 4 is 5 x 5 x 5 x 5, which equals 625.

11. 6 cubed is 6 x 6 x 6, which equals 216.

12. Natasha has $196 and needs $698 for a computer. To find out how much more she needs, we subtract the amount she has from the amount she needs:

698 - 196 = 502.

Natasha needs $502 more to buy the computer.

13. Toni's new balance in his checking account is the sum of his original balance and his new deposit:

406 + 78 = 484.

His new balance is $484.

14. The beverage company packed 228 cans of soda in 12-can cases. To find out how many cartons were filled, we divide the total number of cans by the number of cans in each case:

228 ÷ 12 = 19.

The company filled 19 cartons.

#CARRYONLEARNING

How do you write 132% as a fraction or mixed number?

Answers

Answer:

66/50

Step-by-step explanation:

132% is 132/100

reduce to lowest term and it becomes 66/50

solve. 3 is less than y minus 2

Answers

Answer:

[tex]\bold{3 < (y - 2)} \\ \bold{y > 3 + 2} \\\bold{ y > 5}[/tex]

hope helpful~

Answer:

3 is less than y minus 2 => 3 < y - 2

Step-by-step explanation:

If an expression has an equal sign, it is called an equation.

If it has less than or greater than sign, then it is called inequality.

It is also an inequality if it has greater than or equal to or less than or equal to signs. ( ≥, ≤).

Now y minus 2 means

y - 2

Now it says 3 is less than (y-2)

So we get

3 < y - 2

Use the remainder theorem to find P(-2) for P(x)=-2x^4-2x^3+5x^2-3

Answers

Answer:

1

Step-by-step explanation:

When using the remainder theorem, all you do is plug in -2.

P(-2) = -2(-2)^4-2(-2)^3+5(-2)^2-3

= -2(16) - 2(-8) + 5(4) - 3

= -32 + 16 + 20 - 3

= 1

Answer:

P' (x) = -8x³ -6x² +10x

Step-by-step explanation:

dont delete the answer because i have 20 min left

Answers

Answer:

8=4

16=12

24=20

Explanation:

Easy way to do it is just to work backwords.

put the number in the 'r' column in the equation,

Minus 4 from it rather than add 4, this will give you S

Elisabeth reads 1/5 of her book in 1 1/2 hours. Elisabeth continues to read at this pace. How long does it take Elisabeth to read 3/4 of the book? Enter your answer as a mixed number in simplest form by filling in the boxes.

Answers

It will take her  5 5/8 hours to read 3/4 of the book

Ratio and proportions

Given that Elisabeth reads 1/5 of her book in 1 1/2 hours, this is expessed as:

0.2 of a book = 1.5 hours

In order to determine the time taken to read 0.75 part of the book, we will have:

0.75 of a book  = x

Take the ratios

0.2/0.75 = 1.5/x

0.2x = 1.125

x = 1.125/0.2

x =  5.625

Hence it will take her  5 5/8 hours to read 3/4 of the book

Learn more on ratio and proportion here: https://brainly.com/question/19994681

An $80 printer is selling for 37.5% off. Find the final price of the printer if sales tax is 9%

Answers

37.5 as a decimal: 0.375

This means that 0.375 x 80 will be taken off.

0.375 x 80 = 30

This means that the printer is $30 off.

So, the printer is selling for 50.

Now, since sales tax is going to be 9% over the price of $50, we multiply the price by 1.09.

50 x 1.09 = 54.5

Final price will me $54.50

Find the rule. Solve for n.



Rule:​

Answers

Step-by-step explanation:

The rule is add 5 to x

6+5=11

n=11

What is the average of -2.5, 5.2, 1.7, and -0.8.

Answers

Answer:

0.9

Step-by-step explanation:

-2.5 + 5.2 + 1.7 + -0.8 = 3.6

Divide by the total count of numbers

= 0.9

Hope this helps!

Answer:

0.9

Step-by-step explanation:

To find the average or mean, you have to add up all the given numbers in your data set, then divide by how many numbers there are.

1. Add up -2.5 + 5.2 + 1.7 + (-0.8)=

(negative times positive equals negative)

simplify the signs

simplified answer= -2.5+5.2+1.7-0.8

Which equals

3.6

2. divide by how many numbers there are

So take 3.6 and divide it by 4.

why the number 4?

well, there are 4 numbers in the data set. so when you calculate the average, the formula would be to add up all the numbers in the data set and divide by how many numbers are in the data set and there are 4 numbers in the data set.

So... 3.6 divided by 4

is...

0.9The average is 0.9

               

Paul earns $380 each week at his part-time job. His employer withholds 18% of Paul’s pay for taxes. How much does Paul take home each week?

Answers

Let that be x

[tex]\\ \rm{:}\dashrightarrow x=380-0.18(380)[/tex]

[tex]\\ \rm{:}\dashrightarrow x=380-68.4[/tex]

[tex]\\ \rm{:}\dashrightarrow x=311.6\$[/tex]

Find the area of the rectangle. ​

Answers

Answer:

2 in

Step-by-step explanation:

somebody answer this pls​

Answers

Answer:

1. 1 hour and 25 minutes

2. 30 minutes

3. 1 hour and 33 minutes

4. 2 hours and 13 minutes

5. 1 hour and 51 minutes

Can someone help me with this problem please

Answers

Answer:

First blank: 11/9

Second blank: 20

Step-by-step explanation:

Hope this helps!

Olivia needs to run 5 thousand
metres. The distance around the
track is four hundred metres. How
many times does she need to run
around the track?

Answers

13 times so she can cover the 5000


[tex]0.5216 \div 0.08[/tex]
how to solve this problem​

Answers

The answer is 6.52 because i divided 0.5216 by 0.08
6.52, just use a calculator

Find the volume of this rectangular
prism.

Answers

Answer:

36 in cubed

Step-by-step explanation:

3x2x6

3x2=6

6x6=36

Answer:

36 in

Step-by-step explanation:

First multiply 3 by 2 to get 6.

Then multiply the two 6s to gether to get 36.

Have an amazing day!

PLEASE RATE!

Complete the slope-intercept form of the linear equation that represents the
relationship in the table.

Answers

Answer:

[tex]\mathsf{y=3x-4}[/tex]

Step-by-step explanation:

[tex]\mathsf{point \ slope \ form \ of \ linear \ equation: \ \ y-y_1=m(x-x_1)}[/tex]

[tex]\mathsf{slope \ (m)=\dfrac{y_2-y_1}{x_2-x_1}}}[/tex]

(where m is the slope and [tex]\mathsf{(x_1,y_1)}[/tex] and [tex]\mathsf{(x_2,y_2)}[/tex] are points on the line)

Given:

[tex]\mathsf{(x_1,y_1)=(1,-1)}[/tex][tex]\mathsf{(x_2,y_2)=(4,8)}[/tex]

[tex]\implies \mathsf{slope=\dfrac{8--1}{4-1}}=3}[/tex]

Substuting m = 3 and point (1, -1) into the point-slope form of a linear equation:

[tex]\implies \mathsf{y-(-1)=3(x-1)}[/tex]

[tex]\implies \mathsf{y=3x-4}[/tex]

What is 4 1/2 pint to quart?

Answers

There are two pints every quarter.

So let's convert pints to quarter

   [tex]\frac{4\frac{1}{2} }{2} =\frac{\frac{9}{2} }{2} = \frac{9}{4}[/tex]

There 4 1/2 pint is to 9/4 quarter.

Hope that helps!

p.s. look at my diagram to help you remember

(3y^3)^2 without exponents

Answers

[tex](3y^3)^2=(3^2)*(y^3)^2=9*y^6 = 9y^6[/tex]

Hope that helps!

What is the length of CG?

Answers

Answer:

b. 19

Step-by-step explanation:

by similarity between two triangles BFG~BAC

measure of angle BFG = measure of angle BAC by using corresponding angles in parallelism measure of angle BGF = measure of angle BCA by using corresponding angles in parallelism the third angle commonso BF÷FA=BG÷GC63÷21=57÷GCtherefore GC=19

What is blank + 1/16 equals 3/2

Answers

Answer:

1 7/16

Step-by-step explanation:

Let that blank be x

x + 1/16 =3/2

Then, find the common denominator:

3/2 - 1/16

LCM = 16

3/2 *8 = 24/16

24/16 - 1/16

Last, subtract:

23/16

OR

1 7/16

Hope this helps!

mark brainliest if possible!

which inequalities are true? Select four correct answers
A:square root of 5<2.3 B: square root of 5<2.4< square root of 6
C: square root of 4 D: square root of 8<3 E: square root of 8<2.9< square root of 9
F: square root of 4<4.5< square root of 5

Answers

Answer:

A, B, D and E are the correct answers because they are all true

I think of a number and I divide it by 3. I multiply it to the sum of 4 and 5. The

answer is 81. What is the number?
aswer it pls

Answers

Answer:

27

Step-by-step explanation:

Let the number be x

x/3 * (4 + 5) = 81

x/3 * 9 = 81

x/3 = 81/9 = 9

x = 3 * 9 = 27

will someone please help me on my math

Answers

Answer:

192 should be the surface area i think correct me if im wrong

Step-by-step explanation:

Answer:

you are correct! (I know your already passed it but I felt like answering)

using the spinner above, what is the probability that you will land on red or blue?​

Answers

Answer:

red: 50%

blue: 25%

the total chance is 75%

In a scale drawing of a house, 1 inch represents 9 feet. Scale 1 in : 9 ft Answer the following. (a) The length of the real house is 27 feet. What is the length of the house in the scale drawing? [ inches X $ (b) In the scale drawing, the height of the house is 8 inches. What is the height of the real house? I feet​

Answers

Answer:

See below.

Step-by-step explanation:

(a) 27 feet in reality = 3 inches in drawing (length)

(b) 8 inches in drawing = 72 feet in reality (height)

(+6) + (-11) + (+5)+(-7)

Answers

Answer:

(+6) + (-11) + (+5)+(-7)

(6) + (-11) + (5) - (7)

6 - 11 + 5 - 7

(6 + 5) + (-11 - 7)

11 - 18

= -7

Answer:

-7

Step-by-step explanation:

6-11+5-7 is the simplified version. 6-11 is -5. 5-7 is -2. -5+-2 is -5-2 is -7.

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