Answer:
f(x)=3(-13)^x
Step-by-step explanation:
we know that when x=0 the y=3 why the reason is because
f(x)=3(-13)^0 any number to the power zero is 1 so the answer is f(x)=3(-13)^x
Find the perimeter of a rectangle with length 11xm and it’s area is 99cm2
Answer:
40cm :)
Step-by-step explanation:
How many weeks are there a month?
Answer:
4 weeks
Step-by-step explanation:
Answer:
About 4 weeks
Step-by-step explanation:
In the diagram below, R is located at (24,0), N is located at (12,18), T is located at (12,6), and E is located at (18,15). Assume that N,K,T,E,I, and B are midpoints. Complete the following table. Vertices S K I B A Coordinates
The midpoint of a segment divides the segment into equal halves
The coordinates of K are: [tex]\mathbf{K = (12,12)}[/tex]The coordinates of I are: [tex]\mathbf{I = (24,24)}[/tex]The coordinates of B are: [tex]\mathbf{B = ( 30,33 )}[/tex]The given parameters are:
[tex]\mathbf{R =(24,0)}[/tex]
[tex]\mathbf{N =(12,18)}[/tex]
[tex]\mathbf{T =(12,6)}[/tex]
[tex]\mathbf{E =(18,15)}[/tex]
K is the midpoint of N and T.
So, we have:
[tex]\mathbf{K = (\frac{N_x + T_x}{2},\frac{N_y + T_y}{2})}[/tex]
This gives
[tex]\mathbf{K = (\frac{12 + 12}{2},\frac{18+ 6}{2})}[/tex]
[tex]\mathbf{K = (12,12)}[/tex]
E is the midpoint of T and I.
So, we have:
[tex]\mathbf{E = (\frac{I_x + T_x}{2},\frac{I_y + T_y}{2})}[/tex]
This gives
[tex]\mathbf{(18,15) = (\frac{I_x + 12}{2},\frac{I_y+ 6}{2})}[/tex]
Multiply through by 2
[tex]\mathbf{(36,30) = (I_x + 12,I_y+ 6)}[/tex]
By comparison
[tex]\mathbf{I_x + 12 = 36.\ I_y + 6 =30}[/tex]
So, we have:
[tex]\mathbf{I_x= 24.\ I_y =24}[/tex]
Hence, the coordinates of I are:
[tex]\mathbf{I = (24,24)}[/tex]
I is the midpoint of E and B.
So, we have:
[tex]\mathbf{I = (\frac{E_x + B_x}{2},\frac{E_y + B_y}{2})}[/tex]
This gives
[tex]\mathbf{(24,24) = (\frac{18 + B_x}{2},\frac{15 + B_y}{2})}[/tex]
Multiply through by 2
[tex]\mathbf{(48,48) = (18 + B_x,15 + B_y)}[/tex]
By comparison
[tex]\mathbf{18 + B_x = 48,\ 15 + B_y = 48 }[/tex]
So, we have:
[tex]\mathbf{B_x = 30,\ B_y = 33 }[/tex]
Hence, the coordinates of B are:
[tex]\mathbf{B = ( 30,33 )}[/tex]
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Asher's sister is eight years older than
Asher. Their combined ages add up to 20.
How old is Asher?
Equation:
Solution:
if 2+8=10 then 12+8=20 so Asher is 12 years old while His sister is 20 cus we're adding Ash age to his sister which we don't kno what her age is but at the same time we both know that whatever her age is it adds up to 20
Solve for x: 2/3 = x-1/5
Answer: x=13/3
Step-by-step explanation:
What percent is equivalent to mo? 05% 6% 20% 25%
Answer:
5%
Step-by-step explanation:
solve by substituting, show work
2x-3y=4
2x+8=11
Answer:
x=1.5 y=-1/3
Step-by-step explanation:
2x-3y=4
2x+8=11
Let's subtract 8 from both sides of the second equation:
2x=3
x=1.5
Substituting this into the first equation, we get:
2(1.5)-3y=4
3-3y=4
-3y=1
y=-1/3
help please and thank you
Answer:
Function: c = 2(m) + 5
A: Jason will spend $11 because 2(3) + 5 = (6 + 5) =11
B: No, because 2(7) + 5 = (14 + 5) = 19 and he only has 15 dollars.
Step-by-step explanation:
Cost = $2(the rate per mile) x (M)(miles driven) plus $5 (base cost)
For A and B I solved using the function.
Write a function to represent the set of ordered pairs.{(2, -8), (3, -18), (4, -32), (5, -50)}
A) f(x) = -4x
B) f(x) = -2x2
C) f(x) = x - 10
D) f(x) = -8x2
Evaluate x + y - 4 when x = 4 and y = 1
Answer:
1
Step-by-step explanation:
Subsitute x and y:
x + y - 4
= 4 + 1 - 4
= 1
Please fill in this graph for brainliest. EASY:):):)
Answer:
Rounded up percentages:
Corn: 15.65%
Green Beans: 16.52%
Tomatoes: 6.96%
Carrots: 13.04%
For exact percentages divide this with a calculator:
Corn: 360/2300
Green Beans: 380/2300
Tomatoes: 160/2300
Carrots: 300/2300
(8,5), (-2,7), (12, -3), (9,-5). (18,4) Which numbers are input values of the function? Select all that apply. 9,4,-3,-2,8
Answer: Input values are 8,-2,12,9, and 18, so select 9 and -2.
Can you help me in this question ASAP!!!
Answer:
increase
$750
y=750x+1000
Please help me I don’t understand this
Answer:
14/15
Step-by-step explanation:
9/15+5/15=14/15
3/5+1/3
common denominator is 15 ( just think about the 3 times table and 5 times table )
5*3=15
3*5=15
Multiply the denominator and numerator by 3 for 3/5
Multiply the denominator and numerator by 5 for 1/3
(3)(3)/(5)(3) +(1)(5)/3(5)
9/15+5/15= 14/15
Answer : 14/15
Mr.senger treats his best class of 25 scholars with ice cream , the ice cream for each student costs $3. How much did Mr. senger pay for all the ice cream?
Answer:
Step-by-step explanation:
I need help with question 19
Answer:
D
Step-by-step explanation:
Rotating 270 puts you in the 4th quadrant.
graph the function f(x) = 3(4)^x
Answer:
That depends on how accurate you are with pen and paper.
You can tell it's a growing exponential, so the form is the traditional one. If you are particularly inclined in crunching numbers and working on a grid I would pick 0, 1 and -1, 1/2 and -1/2, a few positive integers, and that's it.
If not, i would be satisfied saying that when x = 0 (ie, the y intercept) y= 3, and that's all. Then, my drawing is made with paint, don't expect a masterpiece.
-74 = 4/9x - 2 equation
Answer -162
Step-by-step explanation:
Answer:
=−162
Step-by-step explanation:
What is 5×(4×2) the product of it
Answer:
40
Step-by-step explanation:
4x2=8
8x5=40
Solve for x
12x = 22
=
Give your answer as an improper fraction in its
simplest form.
X =
Answer: 11/6 0r 1 5/6
Step-by-step explanation:
12x = 22
x = 22/12
x = 11/6 or 1 5/6
I dont understand this question and i keep getting it wrong.
Answer:
48
11
Step-by-step explanation:
5 glasses ------ 20 sec
12 glasses ------ ?
so 5 * x = 12 * 20
x = 12 * 4
x = 48
12 glasses ------- 48 sec
? glasses ------- 44 sec
so 12 * 44 = x * 48
44 = x * 4
x = 44/4 = 11
x = 11
Answer:
12 - 48
11 - 44
Step-by-step explanation:
20 ÷ 5 = 4
12 · 4 = 48
44 ÷ 4 = 11
I hope this helps!
_______ can be a factor in changing body composition for women between the ages of 20 and 40, with an estimated 40 percent of women gaining excessive weight.
Pregnancy can be a factor in changing body composition for women between the ages of 20 and 40, with an estimated 40 percent of women gaining excessive weight.
Body composition is affected by all the changes a body undergoes. Some may result in positive, while other in negative as side effects.
For a women between age group 20 to 40 face weight gaining problem. Generally this is becuse mostly women are pregnant during this age group and due to the biological changes occured during pregnancy may result in weight gain as a side effect to most of them.
Thus, Pregnancy can be a factor in changing body composition for women between the ages of 20 and 40
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PLS HELP WILL MARK BRAINLIEST, PLS HURRY
Answer:
b) I think. sorry if its wrong.
Step-by-step explanation:
Help Pleasee ASAP !!
Answer:
X= 65
Y= 120
Step-by-step explanation:
3y +235 = y-5
2y +235 = - 5
2y = 240
Y = 120
2x - 60 = x-5
X - 60 = - 5
X = 65
what is the product of 8/6 x 6/4?
Answer:
2
Step-by-step explanation:
8*6 = 48 / 6* 4 = 24
So we would get 48/24.
Now we simplify so 48/24 would simplify to 2.
So the answer is 2.
8th-grade math need help asap
Answer:
C
Step-by-step explanation:
-5(x - 19) ≤ -6 + 2x Remove the brackets on the left
-5x +95 ≤ -6 +2x Add 5x to both sides.
95 ≤ -6 + 2x +5x combine
95 ≤ -6 + 7x Add 6 to both sides
101 ≤ 7x Divide by 7
101 /7 ≤ x
What you do next is both tricky and time consuming. You have to get x on the left and the fraction on the right. So subtract x from both sides. And subtract 101/7 from both sides. They both become minus.
101/7 - 101/7 ≤ -101/7 + x
0 ≤ -101/7+ x Now subtract x from both sides
-x ≤ -101/7 + x -x
-x ≤ -101/7
Now comes the really nasty part. You have to get x > 0 and -101/7>0 That's easy enough. You just multiply both sides by -1
x ≤ 101/7
But when you do that (and this where you have to pay attention) the ≤ becomes ≥
x≥ 101/7
7.21. For a group of 100 people, compute a. the expected number of days of the year that are birthdays of exactly 3 people; b. the expected number of distinct birthdays.
The expected number of a dataset is the mean of the dataset
The expected number of selection is: [tex]\mathbf{E(x) =365\times ^{100}C_3 \times \frac{1}{365}^3 \times \frac{364}{365}^{97}}[/tex]The expected number of distinct birthdays is: [tex]\mathbf{E(x) = 365\times (1 - (\frac{364}{365})^{100})}[/tex]The given parameters are:
[tex]\mathbf{n = 100}[/tex] --- sample size
[tex]\mathbf{r = 3}[/tex] --- selection of 3 people
(a) The expected number of birthdays
The probability of a having a birthday on a certain day is:
[tex]\mathbf{p = \frac{1}{365}}[/tex]
The probability of not having a birthday on the day is:
[tex]\mathbf{q = \frac{364}{365}}[/tex]
For a selection of 3 people in 100, the expected number of selection is:
[tex]\mathbf{E(x) =Days \times ^{100}C_3 \times p^3 \times q^{100 - 3}}[/tex]
So, we have:
[tex]\mathbf{E(x) = Days \times ^{100}C_3 \times \frac{1}{365}^3 \times \frac{364}{365}^{100 - 3}}[/tex]
Rewrite as:
[tex]\mathbf{E(x) =Days \times ^{100}C_3 \times \frac{1}{365}^3 \times \frac{364}{365}^{97}}[/tex]
There are 365 days in a year.
So, the expression becomes
[tex]\mathbf{E(x) =365\times ^{100}C_3 \times \frac{1}{365}^3 \times \frac{364}{365}^{97}}[/tex]
(b) Expected number of distinct birthdays
The probability that a person from the has his birthday on a certain day is:
[tex]\mathbf{p = 1 - (\frac{364}{365})^{100}}[/tex]
For 365 days, the expected number of distinct birthdays is:
[tex]\mathbf{E(x) = Days \times (1 - (\frac{364}{365})^{100})}[/tex]
There are 365 days in a year.
So, the expression becomes
[tex]\mathbf{E(x) = 365\times (1 - (\frac{364}{365})^{100})}[/tex]
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30 exceeds three times a number by 89 what is the number
Answer:
19.66
Step-by-step explanation:
Let x represent our unknown number
Okay so it's basically saying that 30 is greater than 3x by 89
We would represent that mathematically by:
30 - 89 = 3x
So then we just solve this like we usually would
30 - 89 = -59
-59 [tex]\div[/tex] 3 = 19.666. . .
Hope this helps:)
How many ways can you arrange 2 letters from the word S Q U A R E
Answer:
30
Step-by-step explanation:
WE use permutation for this question:
since the letters in SQUARE are all distinct, so:
[tex]^{6}P_{2} = 6*5=30[/tex]
The number of ways of arranging 2 letters from the word S Q U A R E is given by A = 15 ways
What are Combinations?The number of ways of selecting r objects from n unlike objects is given by combinations
ⁿCₓ = n! / ( ( n - x )! x! )
where
n = total number of objects
x = number of choosing objects from the set
Given data ,
Let the number of ways of arranging 2 letters from the word S Q U A R E be represented as A
Now , to select 2 letters from the 6 letters in the word SQUARE, without regard to order.
This is a combination problem, since the order in which we select the letters does not matter. Therefore, we can use the formula:
6 C 2 = 6! / 2!(6 - 2)!
= 6 x 5 / (2 x 1) x (4 x 3 / (2 x 1))
= 15
Hence , there are 15 ways to arrange 2 letters from the word SQUARE
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If a painter paints 3 rooms in 1/2 day, what would be a reasonable estimate, how many rooms would painter paint in working 5 days? What is painters rate of painting in rooms painted per day? *
Answer:
Rate per day: 6 rooms
estimate: 6*5 = 30 rooms