a certain bacteria populations doubles in size everyday. Suppose a sample starts with 500 bacteria. write an expression that models the number of bacteria in the same sample after x days. Evaluate the expression for x=0,2,and 5

Answers

Answer 1

Answer:

16,000

Step-by-step explanation:

16,000 - answer


Related Questions

Help I need this now

Answers

Answer:

There is no question showing up so I dont know how to help u

Step-by-step explanation:

Please helppppp I’m almost done with itttt

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The answer is  [tex]\frac{5}{10}[/tex]

And that is correct

Answer:

5/10

Step-by-step explanation:

can be reduced to 1/2 or 0.5

Evaluate 2x when x = 4

COULD SOMEONE HELPP

Answers

8. Because 2x means 2 times x
x is 4 so 2x4=8
Answer: 8

Since x=4
You will multiply 2x
X means 4 basically cause it says what it is equal to then all you do is:
2x4=8

And if you wanna learn more of these types of questions I’ll help you in the comments! (:

A lot runs between two parallel streets. The length of the lot on one of the streets is 160-ft. The length of the lot on the other street is 100-ft. The area of the lot is 14,170 square feet. How far apart are the two streets?

Answers

Answer:

Step-by-step explanation:Area = 1/2(b1 + b2)x h

Area = 18,000 ft^2

b1 = 80 ft

b2 = 100 ft

18,000 = 1/2(80 + 100) x h

36,000 = (180)h

h = 36,000/180

h = 200ft.

This is the distance between streets.

Hope this helps :-)Area = 1/2(b1 + b2)x h

Area = 18,000 ft^2

b1 = 80 ft

b2 = 100 ft

18,000 = 1/2(80 + 100) x h

36,000 = (180)h

h = 36,000/180

h = 200ft.

This is the distance between streets.

Hope this helps :-)

help i need help i really really need help no cap

Answers

5.83, 0.5, 0.085
your welcome
5.83, 0.5, 0.085 that’s the answer :)

Which set of measurements could be the side lengths of a right triangle?
A. {3 in., 5 in., 7 in.}
B. {6 in., 9 in., 12 in.}
C. {8 in., 15 in., 17 in.}
D. {10 in., 20 in., 30 in.}

Answers

Answer:

D

Step-by-step explanation:

you simply add the 2 smaller sides, and if their sum equals the bigger side, its correct!

Can you solve the equation?

Answers

Answer:

x=3 and 9

Step-by-step explanation:

; x-3=0

x=3 (change side change mark)

and

[tex] \frac{2}{3} x - 6 = 0[/tex]

[tex] \frac{2}{3} x = 6[/tex]

[tex]x = 6 \times \frac{3}{2} [/tex]

change side change mark.

So, x=9

If u wanna check the answer you can check by substitution x=3 and 9 in equation.

hope it helps you ☺️

which of the following is NOT a monomial?
a. x-4
b. 22xy
c. 3
d. -11x

Answers

answer is (a)
its a binomial
not a monomial

plss help (ZOOM IN TO SEE FULL PIC)

Answers

Answer:

20

Step-by-step explanation:

root 144+ 256= 400 root 400 =20(Pyto Th.)

so 20

if my answer helps please mark as brainliest.

Answer:

20

Using the formula of Pythagoras theorum 20 is the answer.

I really need help. Pleeease. I'm begging you!

Answers

the answer is totally numbers

Paul invests £150 in a bank account paying 2% interest per annum for 10 years. Work out how much money he has in the account at the end of the 10 years

Answers

Answer: £180

Step-by-step explanation:

The interest gotten for the 10 years will be calculated as:

= Principal × Rate × Time

= 150 × 2% × 10

= 150 × 0.02 × 10

= 30

The amount he has in the bank account at the end of the 10 year will be:

= Principal + Interest

= £150 + £30

= £180

density of the cube is 9.86 g/cm³ and the volume is 150cm³ work out the mass in kg

Answers

Mass= Density *Volume

9.86 g/cm3 *150 cm3 =1479g

1479 g to kilograms

1479g= x

1000g = 1 kg

x = 1479 g / 1000 x = 1.479 kg.

pls HELP!! Jameson is taking a multiple-choice test and he doesn't know an answer. He can answer A, B, C, D or E. What is the probability that he will guess correctly? Give your answer as a percent.

Answers

He has 5 choices each=20%

Subtract equation two 3 digit numbers with different hundreds digits and a difference of less than 100

Answers

Answer:

690 - 595

Step-by-step explanation:

As we know that representation of a 3 digit number = xyz

where x [tex]\neq[/tex] 0

z is at ones place

y is at tens place

x is at hundred place

As, we have to subtract two 3 digits numbers with different hundred digits

So, Let

The hundred digit of first number be 6

The hundred digit of second number be 5

Assume first number with hundred digit 6

Let the number be - 690

Now,

Assume second number with hundred digit 5

Let the number be - 595

Now,

We will check that the difference between both the numbers are less than 100 or not

Now,

690 - 595 = 95 < 100

It satisfies the condition

So, the equation becomes 690 - 595

Mary has a container filled with 20 ounces of cereal. Each day she eats 4.5 ounces
of cereal.
• Write an expression to represent the amount of cereal left after x days.

Answers

Answer:quin hill from ms Henry math class?!?!?!?! Why are you on brainly.....

Step-by-step explanation:3.1

The average cost for a gallon of gasoline in 2006 was $2.45. In 2007, the average cost of a gallon of gasoline was $3.29. What is the approximate percent of change in the cost of a gallon of gasoline?
A. 25%
B. 35%
C. 75%
D. 135%

Answers

Answer:B

Step-by-step explanation:

2.45(0.35)= 0.8575+2.45= 3.30

B. Because 2.45(0.35)=08575+2.45=3.30

What is the simplest form of of this expression?

Answers

Answer:

B

Step-by-step explanation:

which linear any qualities could represent the given table of values

Answers

B is correct cause it was a lot of things to do and it was hard for me to do

A regular pentagon and an equilateral triangle have the same perimeter. The perimeter of the pentagon is 5(x-2) inches. The perimeter of the triangle is 4(1/2x+2) inches. What is the perimeter of each figure?

Answers

Answer:

20 inches.

Step-by-step explanation:

We equate the perimeters:

5(x - 2) = 4(1/2x + 2)

5x - 10 = 2x + 8

5x - 2x = 8 + 10

3x = 18

x = 6

The perimeters = 5(6-2)

= 20 inches.

Simplify 5a – (2a + 6)

Answers

Answer:

Step-by-step explanation:

Add '-2a' to each side of the equation.

5a + -2a = -6 + 2a + -2a

Combine like terms: 5a + -2a = 3a

3a = -6 + 2a + -2a

Combine like terms: 2a + -2a = 0

3a = -6 + 0

3a = -6

Divide each side by '3'.

a = -2

Simplifying

a = -2

5a -2a -6

3a -6

Step-by-step explanation:

..........................

Did I do it rightly?

Answers

Yes. If the segment only has 2 points, it can be named both ways.

Can you help me please?

Answers

Answer:

yes

Step-by-step explanation:

you can use the vertical line test- for every line going up and down there should only be one point. if there is one and only one, it's a function. if there are more than one per line, then it is not a function.

A ball is projected upward from ground level. After t seconds, it’s height in feet is a function defined by f (t) = -16t^2 + 96t. In how many seconds will the rocket be at a height of 128 ft above the ground?

Answers

Answer:

t = 2 s and t = 4 s

Step-by-step explanation:

A ball is projected upward from ground level. After t seconds, it’s height in feet is a function defined by,

[tex]f (t) = -16t^2 + 96t[/tex]

We need to find in how many seconds will the rocket be at a height of 128 ft above the ground.

It means,

[tex]128= -16t^2 + 96t\\\\-16t^2+96t-128=0\\\\16(-t^2+6t-8)=0\\\\(-t^2+6t-8)=0\\\\-t^2+4t+2t-8=0\\\\t(-t+4)-2(-t+4)=0\\\\(t-2)=0\ and\ (-t+4)=0\\\\t=2\ and\ t=4[/tex]

So, it will be at a height of 128 feet at 2 second and 4 second.

A cinema has 300 seats. 60% are filled. How many are empty? i will give brainliest

Answers

180 are empty
............

Answer:

120 seats

Step-by-step explanation:

Total seats in the hall = 300

Percentage of filled seats = 60 %

Number of seats filled = (60 / 100) 300

                                     = 60 * 3

                                     = 180

Therefore, number of empty seats = 300 - 180

                                                          = 120

Hope it helps :)

Please mark my answer as the brainliest

State the slope and y-intercept of the graph of y+2x=3

Answers

Answer:

Slope(m)=2x

y-intercept(b)=3

Step-by-step explanation:

Answer:

Slope is -2x, Y-Intercept is 3

Step-by-step explanation:

You need to isolate the "y" to get the answer, all you need to do is subtract the "2x" from both sides

Y=4-2x 3y-2x=4 solve using substitution

Answers

Answer:

x=1 y=2

Step-by-step explanation:

y=4-2x             3y=4+2x

3*(4-2x)=4+2x

12-6x=4+2x

12-4=2x+6x

8x=8

x=1

y=4-2*1

y=2

First turn the equation y=4-2x into a y=Mx+b formula. It would be y=-2x+4. Then plug it in into the y on the second equation. I’d be 3(-2x+4)-2x=4. Then solve. The answer is x=1. Hope it helped. :)

This block of ice needs to be wrapped in a special reflective material to keep it from melting before the ice carving competition begins. How much reflective material is needed to cover the block completely, with any overlaps?




Question 5 options:

3.1 m2

1.144 m2

3.67 m2

6.7 m2

Answers

The answer is D........

Help meh- im d u m b

Answers

Answer:

[A] 0

Explanation:

Lines of symmetry; A line that cuts a shape exactly in half

If you were to put a line of symmetry down and fold the shape in half on that line, both halves would match exactly.

If you were to put a line of symmetry down on this triangle both sides would not match, therefore there are no lines of symmetry.There are zero lines of symmetry, therefore your answer is [A] 0

Plssss help meee I need help

Answers

Answer:

no

Step-by-step explanation:

[tex]29^{2} \neq 20^{2} + 26^{2}[/tex]

Theo earned £15400 last year and spent 6% of his money on making home improvements. Find how much money Theo spent on home improvements last year.
Give your answer to the nearest penny.

Answers

Answer:

15400 ÷ 6/100

Step-by-step explanation:

next step do yourself

I hope it will help you

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