Answer:
16000 bacteria after 60 days
Step-by-step explanation:
60 divided by 12 = 5
500 x 2= 1000
1000 x 2 = 2000
2000 x 2 = 4000
4000 x 2 = 8000
8000 x 2 = 16000
The function is, f(x) = 2x/12*t
And, the number is 16000 bacteria after 60 days.
What is function?Function, in mathematics, an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable.
here, given that,
A bacteria grows exponentially so that it doubles every 12 days
let, initially the number of bacteria = x
after 12 days = 2x
i.e. after t days = 2x/12*t
So, the function is, f(x) = 2x/12*t
Now, we have,
60 divided by 12 = 5
So, the number of bacteria will be,
500 x 2= 1000
1000 x 2 = 2000
2000 x 2 = 4000
4000 x 2 = 8000
8000 x 2 = 16000
Hence, the number of bacteria after 60 days is 16000.
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!!PLEASE HELP!!!!!! x=___
Answer:
12
Step-by-step explanation:
Is this a function? Yes or no
{(2,5), (3,6), (4,7), (5,8), (6,9)}
Answer:
No
Hope I helped!
Step-by-step explanation:
Answer: no
Step-by-step explanation: the domain value 6 is paired with both 9 and 10. 3. {(2, 2), (−1, 5), (5, 2), ... yes. 28. {(4, 5), (3, −2), (−2, 5), (4, 7)}. ANSWER: no. 29. y = −8 no.
Complete the solution of the equation. Find the
value of y when x equals 15.
-3x - y = -51
Answer:
The solution of the equation y = 36
Step-by-step explanation:
Explanation:-
Given equation -3x-y =-51
Given that x =15 in equation -3x-y=-51
⇒ - 3(15) - y = -51
⇒ - 15 - y =-51
⇒ -15+ 51 = y
⇒ y = 36
I'm in 8th grade I need help with this question please help me
Two pieces of ribbon, one with a length of 63 inches and another with a length of 42 inches are cut into pieces of equal length without remainder. Find the greatest possible length that the pieces can be.
Answer
224 over 567
Step-by-step explanation:
Answer:
21
Step-by-step explanation:
the greatest possible length that the two ribbons would be when the ribbons are divided by their lowest common multiple.
The lowest common multiple of 63 is 3. 63/3 = 21
The lowest common multiple of 42 is 2 = 42/2 = 21
Rewrite this expression using the distributive property.
(3x2 + 4x-7)(x-2)
Answer:
D
Step-by-step explanation:
Each factor on the right has to be multiplied by the equation on the left and then you add them.
The expression (3x² + 4x - 7) ( x- 2) can be rewritten as 3x³- 2x²- 15x + 14.
To rewrite the expression (3x² + 4x - 7) ( x- 2) using the distributive property, we need to distribute each term in the first polynomial to each term in the alternate polynomial.
(3x² + 4x - 7) ( x- 2)
= 3x²( x- 2) + 4x( x- 2)- 7( x- 2)
Now, distribute each term
= 3x³- 6x²+ 4x²- 8x- 7x + 14
Combine like terms
= 3x³- 2x²- 15x + 14
Thus, using the distributive property, the expression (3x² + 4x - 7) ( x- 2) can be rewritten as 3x³- 2x²- 15x + 14.
Learn more about Distributive Property here:
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Please help!!!!! I've been stuck for a while
Answer:y=2x
(Slope=2)
Step-by-step explanation:
The ratio is 1 to 2y is to times x y=2x
I need help for school
Which verbal expression does NOT represent 9-x?
x less than nine
subtract x from nine
x decreased by nine
the difference of nine and x
Which statement is false?
A. Every rational number is also an integer.
B. No rational number is irrational.
C. Every integer is also a rational number.
D. Every irrational number is also real.
iI think that c because it is inside the integers are inside the rationals
The ratio of males to females at a party is 3 : 5
There are 12 more females than males.
How many people are at the party?
Answer:
48
Step-by-step explanation:
Given ratio of males to females at a party is 3 : 5.
Let the numbers of males and females be 3x and 5x respectively.
According to the given description:
No of females = No of males + 13
Therefore,
5x = 3x + 12
5x - 3x = 12
2x = 12
x = 12/2
x = 6
No of people at the party
= 3x + 5x
= 8x
= 8*6
= 48
The cost of a new television is $948. If the value of the television decreases by 4.5% every year, which function models the value of this new television x years after it was purchased?
Answer:
t(x) = 948(0.955)^x
Answer:A
Step-by-step explanation:
help please will give brainliest PLEASE
I accidentally chose that
Answer:
I think its the third one but i might be wrong
Step-by-step explanation:
Find the slope of the line from a graph! Will Give brainliest :)
Answer:
-4
Step-by-step explanation:
because the line is going from top to bottom it is negative
you take the rise ( the Y value) / the run (the X Value)
the Y and X value can be pulled from any two points
What is the value of x and y?
Answer:
8x, 5y
Step-by-step explanation:
a dunno if thats wha ya meant but theres already an answer filled in there a think
-0.50x – 5 + 1.5x + 3.4
Combining like terms
Answer:
x - 1.6
Step-by-step explanation:
Answer:
the answer is X=1
Step-by-step explanation:
-0.50x and +1.5x are like terms
-5 and 3.4 and like terms
so -0.50x + 1.5x equals 1
and -5 + 3.4 equal -1.6
To be able to go on a trip to South America, Salma decides to save for 2 years. She opens a savings account with $700 . The account pays simple interest at an annual rate of 5% . She doesn't make any more deposits.
(a) How much total interest will Salma earn?
(b) What will the total amount in the account be (including interest)?
Answer:
(a) I'm pretty sure it's $71.75
(b) the total would be $771.75 if i calculated it right...
f(x) = -x^2+10x - 17
Answer:
theres a graph with the vertex values if that's what you were looking for
Step-by-step explanation:
What stamens are true help please
can someone help out ?? question is "The cost of Caroline’s cell phone plan is shown below in the table. What is the equation that best represents the the total cost, y, after x number of months?
Answer:
y = 32x
We notice that we multiply the number of months by 32
Which is the same as 0.25?
Answer:
[tex]\frac{25}{100}[/tex]
Step-by-step explanation:
Hey there !!!!!
to find the correct answer to this question you just divide :
the options are 25/10 , 2/5 , 10 / 25 and 25/100
so, you divide each one of them :
25/10 = 25 ÷ 10
2/5 = 2 ÷ 5
10/25 = 10÷25
25/100 = 25÷100
if you divide each one of them:
25 ÷ 10 = 2.5
2 ÷ 5 = 0.4
10÷25 = 0.4
25÷100 = 0.25
therefore:
25/100 is the answer
have a wonderful day
Please help with the question on the picture
Answer:
c) = (-180)
d) = (-81)
this is the answer that is to be written in the boxes
Evaluate the function. g(x) = 3x^2 – 2x + 5 Find f(2)
Answer:
13
Step-by-step explanation:
Replace X with 2
Evaluate the function. g(x) = 3x^2 – 2x + 5 Find f(2)
g(x) = 3(2)^2 – 2(2) + 5
Next conduct PEMDAS
Exponents are first so solve 2^2 which is 2 x 2 = 4
g(x) = 3(4) – 2(2) + 5
Next step is multiplication multiply 3 x 4 and 2x2
g(x) = 12 – 4 + 5
conduct adding and subtracting left from right
g(x) = 13
The sum of two numbers is 10. Their difference is 6. What are the two numbers?
Answer: 8 and 2
Step-by-step explanation:
this is simple, since we only have 10 numbers to work with. i just kept experimenting with numbers until i got one that had a difference of 6. no strategy, just brain power. hope this helps! xoxo
Answer:
So negatove numbers are gonna be impossible becuase we know that the highest we can go is -10+20=10 but it’ll give a whole different difference when subtracted.
And it can’t be greater then 10 becuase if you do add them it won’t be 10
SO it has to be between 1-10
So what equals 10?
5/5
2/8
8/2
6/4
4/6
3/7
7/3
Now 5 and 5 is out cause if subtracted its 0
2/8 and 8/2 works, if added you get 10 but when subtracked the way for 8/2 from left to write it’ll give 6 which is the only one which will give.
final answer the two numbers are 8 and 2
Convert each radian measure into degrees.
4) 8pi/3
Answer:
[tex]\boxed {\boxed {\sf 480\textdegree}}[/tex]
Step-by-step explanation:
First, remember that π radians is equal to 180 degrees. Therefore, to convert from radians to degrees, multiply by 180/π.
The radian measure given is 8π/3
[tex]\frac {8 \pi}{3} * \frac{180}{\pi}[/tex]
Multiply the fractions. Multiply across the numerator, then across the denominator.
[tex]\frac{8 \pi *180}{3 * \pi}[/tex]
The pi in the numerator and denominator will cancel out.
[tex]\frac{8 *180}{3 }[/tex]
Multiply.
[tex]\frac{1440}{3}=480[/tex]
The radian measure 8π/3 is equal to 480 degrees.
Let sin(2x)-sin(x)=0, where 0 ≤ x < 2pi. What are the possible solutions for x?
Step-by-step explanation:
sin2x - sinx = 0
2sinxcosx - sinx = 0
(Double Angle Formula)
sinx(2cosx - 1) = 0
Either sinx = 0 or cosx = 1/2.
When sinx = 0,
x = 0 or x = π.
When cosx = 1/2,
x = π/3 or x = 5π/3.
Hence the solutions are
x = 0, x = π/3, x = π or x = 5π/3.
which fraction is equvalent to a terminating decimal
What is 6/87 of 45638???????
Answer:
3,147.44828
Step-by-step explanation:
[tex] \frac{6}{87} \: of \: 45638 \\ \\ = \frac{6}{87} \times 45638 \\ \\ = 6 \times 524.574713 \\ \\ = 3,147.44828[/tex]
what is the radius if the circumference is 1.0
Answer:
r = 0.16
Step-by-step explanation:
C = 2·π·r
1 = 2·π·r
1/2 = π·r
0.5 = π·r
0.5 / 3.14 = r
0.16 = r
Common factor: 3x^2y^2z^2+5xyz—8x^2
Answer:
x
Step-by-step explanation:
Find the prime factors of each term in order to find the greatest common factor (GCF).