Categorize the graph as linear increasing, linear decreasing, exponential growth, or exponential decay
Answers
Answer:
D. Exponential growth
Step-by-step explanation:
Hope this helps
Function that is similar to exponential.
Option (A) is correct.
What is exponential decay?Exponential decay describes the process of reducing an amount by a consistent percentage rate over a period of time. It can be expressed by the formula [tex]y=a(1-b)^{x}[/tex] wherein y is the final amount, a is the original amount, b is the decay factor, and x is the amount of time that has passed.
We can observe that
First, y increases as x increases
Last it is a function that is similar to exponential.
Function is an exponential decay.
Option (A) is correct.
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Related Questions
i really need your help
Answers
ABCD is a rectangle. AB = 3x+5, AC = 7x-9, BC = 2y+5, BD = 2x+62. Solve for x. (Round your answer to one decimal place, if necessary.)
Answers
Answer:
x=14.2
Step-by-step explanation:
AC = BD
The diagonals of a rectangle are equal
7x-9 = 2x+62
Subtract 2x from each side
7x-9-2x = 2x+62-2x
5x-9 = 62
Add 9 to each side
5x-9+9 = 62+9
5x= 71
Divide by 5
5x/5 = 71/5
x=14.2
Show that an exponential model fits the data. Then write a recrusive rule that models the data.
n = 0, 1, 2, 3, 4, 5,
f(n) = 0.75, 1.5, 3, 6, 12, 24.
(this is a rectangular graph ^)
Answers
Answer:
Exponential function:
f(x) = abˣUse the given data to determine the function.
f(0) = ab⁰ = a*1 = a ⇒ a = 0.75b = 2 as each of the f(n) is twice the previous one in series.The model is:
f(n) = 0.75*2ⁿRecursive rule to reflect this is:
f(0) = 0.75f(n) = 2*f(n-1)Simplify:
5x+2(3−2x)+7
x + 13
12x
9x + 13
Answers
Answer:
x+13
Step-by-step explanation:
The answer would be 1 or uh.. x+13
How much would $500 invested at 9% interest compounded annually be
worth after 4 years? Round your answer to the nearest cent.
Answers
Answer:
I think 705.79 if I did it right
Step-by-step explanation:
500(1+.09/1)^4 = 705.79
Correct answer gets 5 stars and brainliest
Answers
Answer:
a=3
Step-by-step explanation:
Since this is a right triangle, we can use the Pythagorean theorem
a^2+b^2 = c^2 where a and b are the legs and c is the hypotenuse
a^2+4^2 = 5^2
a^2 +16 = 25
a^2 =25-16
a^2 = 9
Taking the square root of each side
sqrt(a^2) = sqrt(9)
a =3
b. 14 divided by 5/6
Answers
Answer:
16.8 or 16 whole 4/5
Step-by-step explanation:
14 divided by 5/6
take reciprocal
14 x 6/5
84/5
16.8
what is the answer for 7 to the negitive second power.
Answers
Answer:
the negative just tell you you put a one over the number. Once that's done, the power will be positive, and you can square like normal
Are you asking about [tex]7^{-2}[/tex] ?
If so:
A negative in the exponent tells us that we must take the reciprocal of the number, in this case, 7, and then use the exponent like normal:
[tex]7^{-2}[/tex] =
[tex](\frac{1}{7})^{2}[/tex] =
[tex]\frac{1}{49}[/tex],
So our answer is 1/49.
find a number such that when 3/4 of it is added to 3.5 the sum is the same as when 2/3 of it is subtracted from 6.5
Answers
Answer:
2.1
Step-by-step explanation:
let unknown number be x
3/4x + 3.5= 6.5 - 2/3x
collect like terms
3/4x+2/3x=6.5 - 3.5
17/12x = 3
cross multiply
12 * 3=17x
36=17x
x=36/17
x=2.1
Find the measure of a.
Answers
Answer:
C
Step-by-step explanation:
The angle at the centre is twice the angle on the circle subtended on the same arc, then
a = 2 × 25° = 50° → C
A grain of salt is an example of which geometric figure?
Answers
Answer: point
Step-by-step explanation:
Using the order of operations, what should be done first to evaluate 12+(-6)(3)+(-2)?
O Divide 12 by 5.
O Multiply -6 and 3.
O Divide 12 by -6.
Add 3 and -2.
Answers
Answer:
hello there...
you know BODMAS for sure
First brackets then of then divi then multi then add and then subtract
going by BODMAS
we need to first of all multiply of -6 and 3
hence ans is multiplying -6 and 3
( option 1 Is wrong by the equation u sent if the equation is correct then ans is which given bur by options I think equation is wrong becoz I don't see divide symbol)
which answer is right?
Answers
Answer:
i think A
Step-by-step explanation:
i believe
What is the value of x + y(3 − x) when x = −5 and y = 3?
Answers
Answer:
19
Step-by-step explanation:
x + y(3 − x)
Let x = -5 and y = 3
-5 +3(3 - -5)
Subtracting a negative is like adding
-5 +3(3+5)
Parentheses first
-5 +3(8)
Multiply
-5+24
Subtract
19
19
Step-by-step explanation:
x + y(3 - x) x = -5 y = 3
Step 1. Substitute x for -5 and y for 3
(-5) + (3)(3 - (-5))
Step 2. Solve for (3 - (-5))
(-5) + (3)(8)
Step 3. Multiply 3 and 8
(-5) + 24
Step 4. Add -5 and 24
(-5) + 24 = 24 + -5 = 19
Help with a,b and c i will rate
Answers
Answer:
I could only see the full choices for letter A, so I'll help with that. But if you send the full image of the page I'll help you out :)
a. The answer is B
Step-by-step explanation:
The square root of 73 is about 8.5440037... which is in between 6 and 9
The square root of 55 is about 7.416198... which is also in between 6 and 9
The square root of 39 is about 6.24499799... which is also in between 6 and 9
The other letters will not work because they are either larger or smaller than 6 and 9, or they are rational.
---------------------------------------------------------------------------------------------------------------
Have a great summer :)
Algebra 1
Simplify 9) y(x + 4) - 6(x + 4)
Answers
Answer:
[tex]xy+4y-6x-24[/tex]
Step-by-step explanation:
[tex]y(x+4) = xy+4y[/tex]
[tex]6(x+4) = 6x+24[/tex]
[tex]xy+4y - (6x+24) =xy+4y-6x-24[/tex]
there are 10 boys and 6 girls. How many ways are there to choose 8 people to get at most 5 girls
Answers
Answer:
Hello,
Step-by-step explanation:
0 girls and 8 boys :
[tex]\left(\begin{array}{c}10\\ 8\end{array}\right)=10*9*8*7*6*5*4*3/8!=45\\\\[/tex]
1 girl and 7 boys:
[tex]\left(\begin{array}{c}6\\ 1\end{array}\right)*\left(\begin{array}{c}10\\7\end{array}\right)=6*10*9*...*4/7!=6*120=720\\\\[/tex]
2 girl and 6 boys:
[tex]\left(\begin{array}{c}6\\ 2\end{array}\right)*\left(\begin{array}{c}10\\6\end{array}\right)=60*210=1260\\[/tex]
3 girl and 5 boys:
[tex]\left(\begin{array}{c}6\\ 3\end{array}\right)*\left(\begin{array}{c}10\\5\end{array}\right)\\[/tex]
4 girls and 4 boys:
[tex]\left(\begin{array}{c}6\\ 4\end{array}\right)*\left(\begin{array}{c}10\\4\end{array}\right)[/tex]
5 girls and 3 bys:
[tex]\left(\begin{array}{c}6\\ 5\end{array}\right)*\left(\begin{array}{c}10\\3\end{array}\right)[/tex]
I let you to calculate and make the sum.
Find the equation of the line that
is parallel to y = 4x + 1 and
contains the point (1, 1).
y = [? ]X + [ ]
Answers
Answer:
y = 4x - 3
Step-by-step explanation:
A parallel line will have the same slope so the slope will remain 4. To fine the new y-intercept, we can substitite the point we are given.
1 = 4(1) + b
1 = 4 + b
-3 = b
Now, we can create the new equation with the information we found.
y = 4x - 3
Best of Luck!
Answer: y = 4x - 3
Step-by-step explanation:
y-y=m(x-x)
y-1=4(x-1)
y-1=4x-4
y=4x-3
Find the probability that a randomly selected point within the circle falls in the white area. Please, and thank you.
Answers
Answer:
About 68.2%.
Step-by-step explanation:
We want to find the probability that a randomly selected point lands in the white area.
To do so, we can find the probability that the point does not land in the white area (i.e. the red area) and then subtract it from 100%.
The circle has a radius of 4 cm. Note that the base of the triangle is the diamater, so the base measures 8 cm. The height of the triangle is the radius, so it measures 4 cm. Thus, the area of the triangle is:
[tex]\displaystyle \begin{aligned} A &= \frac{1}{2}bh \\ &= \frac{1}{2}(8)(4) \\ &= 16\text{ cm}^2\end{aligned}[/tex]
Likewise, the area of the entire circle will be:
[tex]\displaystyle \begin{aligned} A &= \pi r^2 \\ &= \pi(4)^2 \\ &=16\pi \text{ cm}^2\end{aligned}[/tex]
Then the probability that a randomly seleted point lands in the red area is:
[tex]\displaystyle P\left(\text{Red}\right) = \frac{\text{Red}}{\text{Total}} =\frac{16}{16\pi} = \frac{1}{\pi}[/tex]
The probability that the point lands in the red area or the non-red area (i.e. white area) must total 100%. In other words:
[tex]\displaystyle P\left(\text{Red}\right) + P\left(\text{White}\right) = 1[/tex]
Thus:
[tex]\displaystyle P\left(\text{White}\right) = 1 - P\left(\text{Red}\right)[/tex]
Substitute:
[tex]\displaystyle P\left(\text{White}\right) = 1 - \left(\frac{1}{\pi}\right)[/tex]
Use a calculator. Hence:
[tex]\displaystyle P\left(\text{White}\right) \approx 0.6817 = 68.2\%[/tex]
The probability that a randomly selected point lands in the white area is about 68.2%.
If y varies directly as x and y = 42 when x = 6, find the equation that gives the relationship between x and y.
Question 5 options:
A)
y = 7∕x
B)
y = 7x
C)
x = 7y
D)
y = x∕x
Answers
Answer:
B
Step-by-step explanation:
since K is constant ( the same for every point) we can find k when given any point by dividing the y-coordinate by the x-coordinate.
The solution is Option B.
The equation for the relationship between x and y is y = 7x
What is an Equation?
Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
The value of y varies directly with x
So , y = kx and k is the constant of proportionality
Now , when x = 6
y = 42
Substituting the value of y and x in the equation , we get
y = kx
42 = 6k
6k = 42
Divide by 6 on both sides of the equation , we get
k = 7
Therefore , the equation becomes y = 7x
Hence , the equation for the relationship between x and y is y = 7x
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Why 1975 can't be the sum of two squares. Or prove that the equality x ^ 2 + y ^ 2 = 1975 has no solutions in integers
Answers
Answer:
Step-by-step explanation:
If a number can be expressed by sum of two square, only if the number can be represented by 4k + 1 form
1975 = 4*493 + 3
So, 1975 can't be a sum of two squares
math help
please. thank you.
Answers
Answer:
AC=EG AND BC = FG I THINK IT IS ONLY THIS
Answer:
BC=FG
Step-by-step explanation:
Because BC and FG is congruent side of angle A
hope you understand
help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
Answers
Answer:
x= – 7
Step-by-step explanation:
-3x + 2 = 2x + 37
2x+3x = 2-37
5x= -35
x= –35 / 5= – 7
I hope I helped you^_^
Answer:
x = -7
Step-by-step explanation:
-3x + 2 = 2x +37
transpose everything
-3x -2x = 37-2
-5x = 35
x = 35/-5
x = -7
If a+b+c = 0 then a3 + b3 + c3 is equal to
a.abc
b.0
c.3abc
d.9abc
Answers
hhhhelppp pleaseeeeee
Answers
Answer:
The Answer is 3 3/8
Step-by-step explanation:
If she needs 2 1/4 cups for 2 cups of orange juice then she would need 3 3/8 cups for 3 cups of orange juice.
1. t — 19 = 2
2. 1 + s = 3
3. 24 = 4c
4. v/5 = 9
(show work)
Answers
2. S=2. 3-1=2
3. C= 6. 24/4=6
4. V=45. 9x5=45
You do the opposite function to find your answer
Answer:
1. t = 21
2. s = 2
3. c = 6
4. v = 45
Step-by-step explanation:
1. t - 19 = 2
*Add 19 to both sides.
t = 21
2. 1 + s = 3
*Subtract 1 from both sides.
s = 2
3. 24 = 4c
*Divide each side by 4.
6 = c
4. v/5 = 9
*Multiply each side by 5.
v = 45
A. 110
B. 90
C. 135
D. 45
Answers
Answer:
answer is
D. 45. hhhisukwk
please help ! pick two answers
Answers
Answer:
B and C
Step-by-step explanation:
25% of 60 = 15
B. 25/100*60 = 15
C. 0.25*60 = 15
Correct answer gets 5 star
Answers
Answer:
Step-by-step explanation:
A
Find the number of five-digit numbers which are not divisible by 5?
Answers
Answer:
72000
Step-by-step explanation:
First five digit number is 10000
And the last five digit number is 99999.
There are 99999-10000+1 five digits in all.
That simplifies to 89999+1=90000.
Any number whose units digit is 5 or 0 is divisble by 5.
10000 is the first five digit number that is divisble by 5.
10000+5k where k is a positive integer can be used to find any after.
The last five digit number divisible by 5 is 99995. What is k then?
10000+5k=99995
5k=89995
k=89995/5
k=17999
How many 5 digit numbers are divisble by 5?
So the first one happens at k=0 and the last one happens at k=17999.
How many numbers is that? 17999+1=18000.
So the number of 5 digit numbers that aren't divisble by 5 is 90000-18000=72000
