Answer:
Www
Step-by-step explanation:
Answer:
×2y aquel 2minus ×plus y equals negative1
Alex washed 3/10 of his laundry yesterday. What fraction of his laundry does he have left to wash?
Answer:
7/10
Step-by-step explanation:
[tex]1 - \frac{3}{10} \\ = \frac{10}{10} - \frac{3}{10 } \\ = \frac{7}{10} [/tex]
#CMIIWA school asks students what type of sports they play. Complete the two-way table for the survey data. Find the answer for the missing letters and show your work as to how you arrived at each answer.
Answer: b: 58-22=36
A=37 68-22-9
d=99 37+62
c=29 34-9
Step-by-step explanation:
which point lies in the solution set?
A. (4, –0.5)
B. (3, –2.5)
C. (–2.5, 4)
D. (–4.5, –3)
The point that lies in the solution set of (x - 2)²/25 + (y + 3)²/4 < 1 is B. (3, –2.5)
How to determine the point that lies in the solution set?From the question, we have the following inequality expression that can be used in our computation:
(x - 2)²/25 + (y + 3)²/4 < 1
Also, we have
A. (4, –0.5)
B. (3, –2.5)
C. (–2.5, 4)
D. (–4.5, –3)
Next, we test the options as follows
A. (4, –0.5)
(4 - 2)²/25 + (-0.5 + 3)²/4 < 1
1.7225 < 1 -- false
B. (3, –2.5)
(3 - 2)²/25 + (-2.5 + 3)²/4 < 1
0.1025 < 1 -- true
Hence, the point that lies in the solution set is B. (3, –2.5)
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What’s the value of x?
Answer:
The answer is 8
Step-by-step explanation:
/x/ // /8/
x=8
Suppose that 15% of all American use CNN as their primary source of news. A random sample of 200 Americans is selected. What is the probability that is your sample of 200 Americans that proportion that us CNN as their primary news source is at least 0.21?
The probability that in a sample of 200 Americans, the proportion that uses CNN as their primary news source is at least 0.21 is 49.6%.
What is the probability?The probability is determined using the normal approximation to the binomial distribution.
Given that the sample size is large (n = 200) and the probability of success (p = 0.15) is not too close to 0 or 1, the mean (μ) and standard deviation (σ) of the binomial distribution, will be:
μ = n * p
μ = 200 * 0.15
μ = 30
σ = √(n * p * (1 - p))
σ = √(200 * 0.15 * (1 - 0.15))
σ ≈ 4.29
Then, the z-score corresponding to the proportion of 0.21 is:
z = (x - μ) / σ
z = (0.21 - 0.15) / 4.29
z ≈ 0.014
Using a calculator, the probability of a z-score of 0.014 is approximately 0.504.
Hence, the probability of obtaining a proportion at least 0.21, is:
Probability = 1 - 0.504
Probability ≈ 0.496
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Investor C decided to purchase a home that costs $600,000 with a 40% down payment loan, a 3.00% annually fixed rate for a 30 year term, and one payment per month. What is the monthly payment for this mortgage?
Step-by-step explanation:
To calculate the monthly payment for a mortgage, you can use the formula for a fixed-rate mortgage:
Monthly Payment = (P * r * (1 + r)^n) / ((1 + r)^n - 1)
Where:
P = Loan amount (in this case, the home cost minus the down payment)
r = Monthly interest rate (annual rate divided by 12 and converted to decimal)
n = Total number of payments (number of years multiplied by 12)
Given:
Home cost = $600,000
Down payment = 40% of the home cost = 0.4 * $600,000 = $240,000
Loan amount = Home cost - Down payment = $600,000 - $240,000 = $360,000
Annual interest rate = 3.00%
Loan term = 30 years
First, calculate the monthly interest rate:
Monthly interest rate = (Annual interest rate / 100) / 12 = (3.00 / 100) / 12 = 0.0025
Next, calculate the total number of payments:
Total number of payments = Loan term * 12 = 30 * 12 = 360
Now, substitute the values into the formula:
Monthly Payment = ($360,000 * 0.0025 * (1 + 0.0025)^360) / ((1 + 0.0025)^360 - 1)
After performing the calculations, the monthly payment for this mortgage is approximately $1,520.06.
I hope I was helpful
Aaron kicked a soccer ball with an initial velocity of 39 feet per second at an angle of 44° with the horizontal. After 0.9 seconds, how far has the ball traveled horizontally? A. 11.4 ft B. 24.4 ft C. 12.3 ft D. 25.2 ft
The ball has traveled approximately 25.24 feet Horizontally.The correct answer is D. 25.2 ft.
The horizontal distance traveled by the soccer ball after 0.9 seconds, we can use the equation:
horizontal distance = initial velocity * time * cos(angle)
Substituting the given values:
initial velocity = 39 ft/s
time = 0.9 s
angle = 44°
horizontal distance = 39 ft/s * 0.9 s * cos(44°)
Calculating:
horizontal distance ≈ 39 ft/s * 0.9 s * 0.71934 ≈ 25.24 ft
Therefore, after 0.9 seconds, the ball has traveled approximately 25.24 feet horizontally.
The correct answer is D. 25.2 ft.
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x=1
x=3
z=x-25y
print(z)
The output of the program for the variable z is -22 or it returns an error if z = x - 25y
Evaluating the output of the programFrom the question, we have the following parameters that can be used in our computation:
x = 1
x = 3
z = x - 25y
print(z)
The value of the variable y is not given
So, the program would return an error
However, if the complete program is as follows (removing the variable y)
x = 1
x = 3
z = x - 25
print(z)
Using the above as a guide, we have the following:
The final value of x is 3
So, we have
z = 3 - 25
Evaluate
z = -22
This means that the output of the program for z is -22
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A box has 6 blue socks and 4 white socks. find the number of ways 2 socks can be drawn from the box where
a) There are no restriction
b) They are different colours
c) They are the same colours
The number of ways to draw the socks in each case is given as follows:
a) 90 ways.
b) 48 ways.
c) 42 ways.
What is the Fundamental Counting Theorem?The Fundamental Counting Theorem states that if there are m ways for one trial and n ways for another trial, then there are m x n ways in which the two trials can happen simultaneously.
This can be extended to more than two trials, where the number of ways in which all the trials can happen simultaneously is the product of the number of outcomes of each individual trial, according to the equation presented as follows:
[tex]N = n_1 \times n_2 \times \cdots \times n_n[/tex]
For item a, we have that there are no restrictions, hence there are 10 options for the first sock and 9 for the second, hence:
10 x 9 = 90.
For item b, we need one of each, hence the possible combinations are:
One of six(blue) and then one of four(white).One of four(white) and then one of six(blue).Hence:
6 x 4 + 4 x 6 = 48.
For item c, we can take 6 then five(two blue) or 4 then 3(two white), hence:
6 x 5 + 4 x 3 = 42.
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Which expression is equivalent to 4^7/8
4^1/4?
Erik has been collecting comic books for the past few years. The number of total comic books in his collection each year is as follows. • 30 comic books the first year • 60 comic books the second year • 90 comic books the third year • 120 comic books the fourth year Write a function that represents the number of comic book as a function of the number of years, t.
The function that represents the number of comic book as a function of the number of years, t is expressed as y = 30x or f(t) = 30t.
How to Write a Linear Function?We can use the given data to create a linear equation of the form y = mx + b, where y represents the number of comic books and x represents the number of years.
To find the equation, we can use any two pairs of (x, y) values. Let's use the first and fourth years:
First year: (1, 30)
Fourth year: (4, 120)
The slope, m, of the line can be calculated using the formula:
m = change in y / change in x = (120 - 30) / (4 - 1)
m = 90 / 3
m = 30
The y-intercept, b, can be found by substituting one of the (x, y) values and the slope into the linear equation, y = mx + b:
30 = 30(1) + b
b = 0
Therefore, the equation that represents the number of comic books, y, as a function of the number of years, x, is:
y = 30x
or
f(t) = 30t [where t represents the number of years.]
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What is the length of side CB to one decimal place?
B
A
10
53°
C
▸
The length of side CB to one decimal place is 89.3.
To find the length of side CB in the given triangle, we can use the sine rule. The sine rule states that in a triangle, the ratio of the length of a side to the sine of its opposite angle is constant.
In this case, we have the angle C as 53° and the side opposite to it, side CB, as the unknown. Let's denote the length of side CB as x.
According to the sine rule:
sin(C) / x = sin(A) / AB
We know that angle A is 37° and AB is 120 units. Plugging in the values:
sin(53°) / x = sin(37°) / 120
To find x, we can rearrange the equation:
x = (120 * sin(53°)) / sin(37°)
Calculating this expression gives us:
x ≈ 89.32
Rounding this value to one decimal place, the length of side CB is approximately 89.3.
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ONLY NEED PT 2 1st blank is: -1.5,-1.07,=0.70,-0.67,0.67,0.70,1.07,1.5,4,27,33.
2nd blank is:Means, Medians, modes, Standard deviatins, Ranges.
3rd blakn is Below, Above
4th blank is: Means, Medians, modes, Standard deviatins, Ranges.
The z-score is calculated as z-score.
The score x = 33 is 1.5 standard deviations above the mean of 27.
How to Calculate the z-score?To find the z-score for x = 33 in a normal distribution with a mean of 27 and a standard deviation of 4, we can use the formula for calculating the z-score:
z = (x - μ) / σ
where in this case, x = 33, μ = 27, and σ = 4. Plugging these values into the formula, we can calculate the z-score:
z = (33 - 27) / 4
z = 6 / 4
z = 1.5
The z-score for x = 33 is 1.5.
The z-score represents the number of standard deviations that a given value (x) is away from the mean (μ) in a normal distribution. It indicates how many standard deviations a data point is above or below the mean.
In this context, a z-score of 1.5 for x = 33 means that the value 33 is 1.5 standard deviations above the mean of 27.
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3. Solve: 5 x 4+ (1+1) + 5 = *
Your answer
Answer:
27
Step-by-step explanation:
We can solve by using order of operations (PEMDAS), which shows us the order in which we're supposed to perform mathematical operations:
Parentheses,Exponents,Multiplication/DivisionThe / comes from the fact that you do these operations from left to right as multiplication and division have the same level of priority in an equation/operation.
and Addition/Subtraction.Like multiplication/division, the / comes from the fact that you do these operations from left to right as addition and subtraction also have the same level of priority in an equation/operation.
Step 1: Simplify inside the parentheses:
5 * 4 + (1 + 1) + 5
5 * 4 + 2 + 5
Step 2: Multiply 5 and 4:
20 + 2 + 5
Step 3: Add 20 and 2:
22 + 5
Step 4: Add 22 and 5 to get your answer:
27
Thus, 5 *4 + (1 + 1) + 5 = 27
100 Points! Geometry question. Identify the similar triangles. Then find each measure. Photo attached. Please show as much work as possible. Thank you!
The triangles ABC and DBE are similar by the SAS similarity theorem
The measure of the side lengths AC is 16 units
How to identify the similar triangles.From the question, we have the following parameters that can be used in our computation:
The triangles ABC and DBE
These triangles have the following measures
Two similar corresponding sidesTwo equal corresponding anglesThis means that the triangles are similar by the SAS similarity theorem
How to find each measureUsing the SAS similarity theorem, we have the following equation
(x + 1)/12 = (x + 5)/15
Cross multiply the equation
15x + 15 = 12x + 60
So, we have
3x = 45
Divide by 3
x = 15
This means that
x + 1 = 15 + 1 = 16
x + 5 = 15 + 5 = 20
Hence, the measure of the side lengths are 16 and 20 units
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Which function has a horizontal asymptote at y = 3?
Answer: A) [tex]f(x)=\frac{6x^2-x+4}{2x^2-1}[/tex]
Step-by-step explanation:
Line [tex]y=L[/tex] is a horizontal asymptote of the function [tex]y=f(x)[/tex], if either [tex]\lim_{x \to \infty} f(x)=L[/tex] or [tex]\lim_{x \to \infty} f(x)=L[/tex], and [tex]L[/tex] is finite.
calculate the limits:
[tex]\lim_{x \to \infty} (\frac{6x^2-x+4}{2x^2-1})=3[/tex]
[tex]\lim_{x \to -\infty} (\frac{6x^2-x+4}{2x^2-1})=3[/tex]
Thus, the horizontal asymptote is [tex]y=3[/tex]
Please help me answer this question
For the function [tex]A(t)=4000e^0^.^0^4^t[/tex] the value of A'(8) is $220 and the value of [tex]A'(t)=160e^0^.^0^4^t[/tex]
The given function is [tex]A(t)=4000e^0^.^0^4^t[/tex] gives the balance after t years.
The initial investment is 8000
4% is the compounded interest.
Now differentiate with respect to t
[tex]A'(t)=0.04(4000)e^0^.^0^4^t[/tex]
[tex]A'(t)=160e^0^.^0^4^t[/tex]
Now let us find the value of A'(8)
Plug in t as 8
[tex]A'(8)=160e^0^.^0^4^(^8^)[/tex]
A'(8)=220.3
Hence, the value of A'(8) is $220 and the value of [tex]A'(t)=160e^0^.^0^4^t[/tex]
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Divide the sum 200 and 300 by the difference 80and 30.
Answer:
10
Step-by-step explanation:
300 plus 200 is 500
80 minus 30 is 50
500 divided by 50 is 10
Can someone answer and provide an explanation for these problems?
The equation for each circle is given as follows:
36) (x - 2)² + (y - 15)² = 4.
37) (x + 8)² + (y + 18)² = 25.
38) (x - 11)² + (y + 9)² = 49.
39) (x - 13)² + (y + 8)² = 36.
What is the equation of a circle?The equation of a circle of center [tex](x_0, y_0)[/tex] and radius r is given by:
[tex](x - x_0)^2 + (y - y_0)^2 = r^2[/tex]
For item 36, the center is given as follows:
(-3, 11)
After the translation, the center will be given as follows:
(2, 15)
Hence the equation is given as follows:
(x - 2)² + (y - 15)² = 4.
For item 37, the center is given as follows:
(-3, -14)
After the translation, the center will be given as follows:
(-8, -18)
Hence the equation is given as follows:
(x + 8)² + (y + 18)² = 25.
For item 38, the center is given as follows:
(11, -9).
Hence:
(x - 11)² + (y + 9)² = r².
Point (18, -9) is on the circle, hence the radius squared is obtained as follows:
r² = (18 - 11)² + (-9 + 9)²
r² = 49.
Hence the equation is:
(x - 11)² + (y + 9)² = 49.
For item 39, the center is given as follows:
(13, -8).
Hence the equation is:
(x - 13)² + (y + 8)² = r².
Point (7, -8) is on the circumference of the circle, hence the radius squared is obtained as follows:
r² = (7 - 13)² + (-8 + 8)²
r² = 36.
Hence the equation is given as follows:
(x - 13)² + (y + 8)² = 36.
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Find the equation of the line passing through the point (–1, 5) and perpendicular to the line y = – 3x + 4.
A) 3y = –x + 16
B) y = –3x + 8
C) y = –3x + 2
D) 3y = x + 16
Answer:
D
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
y = - 3x + 4 ← is in slope- intercept form
with slope m = - 3
given a line with slope m then the slope of a line perpendicular to it is
[tex]m_{perpendicular}[/tex] = - [tex]\frac{1}{m}[/tex] = - [tex]\frac{1}{-3}[/tex] = [tex]\frac{1}{3}[/tex] , then
y = [tex]\frac{1}{3}[/tex] x + c ← is the partial equation
to find c substitute (- 1, 5 ) into the partial equation
5 = - [tex]\frac{1}{3}[/tex] + c ( add [tex]\frac{1}{3}[/tex] to both sides )
5 [tex]\frac{1}{3}[/tex] = c ⇒ c = [tex]\frac{16}{3}[/tex]
y = [tex]\frac{1}{3}[/tex] x + [tex]\frac{16}{3}[/tex] ( multiply through by 3 to clear the fractions )
3y = x + 16
can someone please help me on this algebra 13 homework! PLS QUICK!
The function y=x+3 has the greatest y intercept.
The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.
The given function is y=x, it has y intercept which is zero
The given function is y=-x, it has y intercept which is zero
Function is y=x+3, it has y intercept which is three
Function is y=2x, it has y intercept which is zero
Hence, the function y=x+3 has the greatest y intercept.
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Under ideal conditions, the population of a certain species doubles every nine years. If the
population starts with 100 individuals, which of the following expressions would give the
population of the species t years after the start, assuming that the population is living
under ideal conditions?
3. In a data set, the mode, median, and mean are all equal. Which data set below fits this description? A. 26, 39, 39, 39, 52 B. 26, 27, 28, 28, 39 C. 15.0, 15.5, 16.0, 16.0, 21.5 105, 110, 110, 116, 120
PLEASE HELP ASAP!!!!!!
Answer:
A. Using the commutative property
Step-by-step explanation:
Because there is no use of commutative property in the solution process.
Answer:
A) Using Commutative property
Step-by-step explanation:
In step 1, it used distributive property when the number 5 is distributed inside of the equation in the parenthesis.
In Step 4, dividing both sides by 10 to further simplify the equation
In step 2, you combined like terms and it results to the equation in step 3
A straw is placed inside a rectangular box that is 10 inches by 6 inches by 7 inches, as shown. If the straw fits exactly into the box diagonally from the bottom left corner to the top right back corner, how long is the straw? Leave your answer in simplest radical form.
top question only fast pls
The volume of the triangular prism is V = 18ft³
What is the volume of the prism?The volume of the prism is equal to the area of the triangular face, times the length of the prism, which is 9ft.
Remember that the area of a triangle of base B and height H is:
A = B*H/2
Here we can see that the base is 2ft and the height is 2ft, then the area of the triangular face is:
A = 2ft*2ft/2 = 2ft²
And thus, the volume of the prism is:
V = 2ft²*9ft
V = 18ft³
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find the expected value of the given variable with the following probability distribution
The expected value of the given variable with the probability distribution is 7
How to find the expected value of the variableFrom the question, we have the following parameters that can be used in our computation:
The probability distribution on the table of values
The expected value of the variable is calculated as
Expected value = ∑x * P(x)
Using the above as a guide, we have the following:
Expected value = 2 * 1/36 + 3 * 1/18 + 4 * 1/12 + 5 * 1/9 + 6 * 5/36 + 7 * 1/6 + 8 * 5/36 + 9 * 1/9 + 10 * 1/12 + 11 * 1/18 + 12 * 1/36
Evaluate
Expected value = 7
Hence, the expected value of the variable is 7
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I will give all my points and mark as brainliest (((())))pls
Find the regression equation. Round your answer to the nearest hundredth.
The equation shows that the point total in the 10th level is predicted to be 514.4.
How to calculate the valueThe equation given is: y= 48.2x + 32.4
where y is the point total and x is the level.
In order to predict the point total in the 10th level, I will substitute x=10 into the equation:
y=48.2(10) + 32.4 = 482 + 32.4 = 514.4
Therefore, the point total in the 10th level is predicted to be 514.4.
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Type the correct answer in each box. Use numerals instead of words. Consider function h. h ( x ) = { 3 x − 4 , x < 0 2 x 2 − 3 x + 10 , 0 ≤ x < 4 2 x , x ≥ 4 What are the values of the function when x = 0 and when x = 4 ?
h(0)=
h(4)=
The value of function h (0) is,
h (0) = 10
And, The value of function h (4) is,
h (4) = 8
Given that;
The function is,
h (x) = { 3x - 4 , x < 0
= {2x² - 3x + 10, 0 ≤ x < 4
= { 2x , x≥ 4
Hence, The value of function h (0) is,
h (x) = 2x² - 3x + 10, 0 ≤ x < 4
h (0) = 2 (0) - 3 (0) + 10
h (0) = 10
The value of function h (4) is,
h (x) = 2x
h (4) = 2 (4)
h (4) = 8
Thus, The value of function h (0) is,
h (0) = 10
And, The value of function h (4) is,
h (4) = 8
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1. The population of a town was 112 in 2014. The population doubles every year.
(a) Use the exponential growth model to write an equation that estimates the population tyears after
2014.
(b) Estimate the population of the town in 2023. Show your work.
Answer:
The estimated population of the town in 2023 is 57,344.
(a) Let P be the population in t years after 2014.
Since the population doubles every year, we can use the formula :
P = P₀(2)ⁿ, where P₀ is the initial population in 2014.
We have P₀= 112, so the equation is P = 112(2)ⁿ.
(b) To find the population in 2023, we need to find t when t + 2014 = 2023.
So t = 2023 - 2014 = 9.
Substituting t = 9 into the equation from part (a), we get:
P = 112(2)⁹
P ≈ 57,344
Therefore, the estimated population of the town in 2023 is 57,344.
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