Which of the functions listed below will produce the graph shown here?
HELP!!!!
2,640/k=11 what is the value of k
Answer:
240
Step-by-step explain
so
k = 2640/11 = 240
2640/240 = 11
Write the equation of the line which passes
through the point (2, -3) and has a slope of -3.
A. 2x + 5y = 4
B. 12x + 5y = -9
C. 2x + 5y = -11
D. 2x5y = -16
Answer:
2x + 5y = -11 ==> C
Step-by-step explanation:
y=mx+b ==> slope intercept form
-3 = -2/5 * 2 + b ==> plug in known values, m=slope=-2/5
-3 = -2*2/5 + b
-3 = -4/5 + b
(-3 = -4/5 + b)*5 ==> multiply the equation by 5 to remove the denominator
-15 = -4 + 5b
-15 + 4 = -4 + 4 + 5b ==> isolate b by adding 4 on both sides
-11 = 5b ==> solve for b
b = -11/5 ==> simplify
y=mx+b ==> y=-2x/5 - 11/5 ==> equation in slope intercept form
(y=-2x/5 - 11/5)*5 ==> multiply equation by 5 to remove denominators
5y = -2x - 11
Now arrange equation in Ax+By=C format where A, B, and C are constants:
2x + 5y = 2x - 2x - 11 ==> add 2x on both sides to get x and y on same side
2x + 5y = -11 ==> C
Write the prime factorization of 25 use exponents when appreciate, and order the factors from least to greatest
Answer:5^2
Step-by-step explanation:
25
/ \
5 5
Since both 5 and 5 are prime, it can't be simplified more so the answer is 5^2.
Need help with math problem
Please help. Plotting mixed numbers on a number line is really confusing for me.
Answer:
Go to the whole number of the mixed number then find that whole number on the line plot. Then skip 4 out of 5 jumps. For example, skip 4 jumps then you will get the fraction 4/5. So now we move onto 2 7/10. (2.7 as a decimal) Go to the whole number 2 on the line plot. Then jump 7 times in. Each jump should represent 1/10 or 0.1. So now you found the line plots of 1 4/5 and 2 1/10.
Step-by-step explanation:
I explained everything above. :)
Please mark brainliest.
Let X1, X2,..,X100 be a random sample from a distribution with pdf f(x) = {x2 +Źosxs1 (0, otherwise Find the standard deviation of (round off to second decimal place).
The standard deviation of the sample is 0.63
What is standard deviation?
A random variable, sample, statistical population, data set, or probability distribution's standard deviation is equal to the square root of its variance.
To find the standard deviation of the sample, we need to first find the mean of the distribution. The mean of a distribution is given by the expected value of the random variable, which can be calculated as follows:
\(E[X] = \int\limits {xf(x)dx}\)
Substituting the given pdf for f(x), we get:
\(E[X] = \int\limits {x(x2 + Źosxs1)dx}\)
Evaluating the integral, we get:
\(E[X] = (x3/3) + (Źosxs2/2) |0\\\\ E[X] = (1/3) + (0/2)\\\\ E[X] = 1/3\)
Next, we need to find the variance of the distribution. The variance of a distribution is given by the expected value of the squared deviation of the random variable from its mean, which can be calculated as follows:
\(Var[X] = E[(X - E[X])2]\)
Substituting the value of E[X] that we just found, we get:
Var[X] = E[(X - (1/3))2]
Var[X] = ∫((x - (1/3))2)(x2 + Źosxs1)dx
Evaluating the integral, we get:
Var[X] = ((x - (1/3))2)(x2 + Źosxs1) |0
Var[X] = ((1 - (1/3))2)(1 + 0) - ((0 - (1/3))2)(0 + 0)
Var[X] = (4/9)(1) - (1/9)(0)
Var[X] = 4/9
Finally, the standard deviation of the distribution is the square root of the variance, which is:
\(Std\ Dev[X] = \sqrt{Var[X]}\\\\ Std\ Dev[X] = \sqrt{(4/9) } \\\\Std\ Dev[X] = 0.63\)
Rounding off to the second decimal place, the standard deviation of the sample is 0.63.
Hence, The standard deviation of the sample is 0.63
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When dividing 8,164 by 78.5, what is the place value of the last digit in the quotient?
ones
Answer:
Ones
Step-by-step explanation:
The last digit will always be the ones place no matter what.
Answer:
ONES
Step-by-step explanation:
Maurisa gets $8 per week for an allowance. She saves 25% of her allowance each week.How long will it take maurisa to save $16?
Answer:
8weeks
Step-by-step explanation:
$16÷(25/100×$8)=8
Rahul plans to invest $25,000 in a retirement account that compounds 6% monthly . He has 25 years left until he retires . How much will he have in the account when he retires?
The total amount that Rahul will have is 108,006.20.
Compound Interest:Compound interest is a type of interest where the interest earned on a principal amount is added to the principal, and the new total amount becomes the basis for calculating interest in the next period.
In other words, the interest is earned not only on the principal amount but also on the accumulated interest.
The formula for compound interest is:
A = P (1 + r/n)^(n*t)Here we have, Rahul's plans to invest $25,000 in a retirement account that compounds 6% monthly.
From the data,
The principal amount, P = 25000
Rate of interest, r = 6% = 6/100 = 0.06
Time period, t = 25 years
Number of compounds, n = 12 [ Since compounded annually ]
By using the formula, A = P (1 + r/n)^(n×t)
A = 25000 [ 1 + 0.6/12]⁽¹²ˣ²⁵⁾
A = 25000 [ 1 + 0.005]⁽³⁰⁰⁾
A = 25000 [1.005]⁽³⁰⁰⁾
A = 108,006.20 (rounded to the nearest cent)
Therefore,
The total amount that Rahul will have is 108,006.20.
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Expand and simplify x(3x + 5)-5(2x - 1)
PLEASE HELP ME AND ANSWER THIS QUESTION !! I need this for my assessment revision
The simplified expression of x(3x + 5)-5(2x - 1) is 3x² - 5x + 5
How to expand and simplify the expressionFrom the question, we have the following parameters that can be used in our computation:
x(3x + 5)-5(2x - 1)
Open the brackets
So, we have
3x² + 5x - 10x + 5
Evaluate the like terms
So, we have
3x² - 5x + 5
Hence, the simplified expression is 3x² - 5x + 5
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Mary, Margaret, Ron, and Nick are to share a scholarship. Ron receives 1/3 of the scholarship; Nick gets 1/4 of the scholarship; Mary receives the same as Nick, and Margaret receives $72,000.
Find each person's share in the scholarship as well as the original scholarship amount
Thus, Ron's share is $24,000, Nick's share is $18,000, Mary's share is $18,000, and Margaret's share is $72,000.
Let's denote the original scholarship amount as "P."
According to the given information, Margaret receives $72,000, which means the remaining scholarship amount for the other three individuals is P - $72,000.
Ron receives 1/3 of the scholarship, which can be represented as (1/3)(P - $72,000). Nick receives 1/4 of the scholarship, which can be represented as (1/4)(P - $72,000). Mary receives the same as Nick, so Mary's share is also (1/4)(P - $72,000).
Now, we can sum up all the shares to equal the original scholarship amount:
Ron's share + Nick's share + Mary's share + Margaret's share = P
(1/3)(P - $72,000) + (1/4)(P - $72,000) + (1/4)(P - $72,000) + $72,000 = P
To simplify the equation, we can combine like terms:
(P/3 - $24,000) + (P/4 - $18,000) + (P/4 - $18,000) + $72,000 = P
Combining the fractions and constants:
(4P + 3P - 3P + 12P)/12 - $24,000 - $18,000 - $18,000 + $72,000 = P
16P/12 - $48,000 = P
Multiplying both sides of the equation by 12 to eliminate the denominator:
16P - $576,000 = 12P
Subtracting 12P from both sides of the equation:
4P = $576,000
Dividing both sides of the equation by 4:
P = $144,000
Therefore, the original scholarship amount is $144,000.
Ron's share: (1/3)($144,000 - $72,000) = $24,000
Nick's share: (1/4)($144,000 - $72,000) = $18,000
Mary's share: (1/4)($144,000 - $72,000) = $18,000
Margaret's share: $72,000
Thus, Ron's share is $24,000, Nick's share is $18,000, Mary's share is $18,000, and Margaret's share is $72,000.
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What are the y-intercepts for each of these functions?
f(x) = sin 2x
g(x) = cos 2x
choose all correct answers
- for f(x), (0,0)
- for f(x), (2,0)
- for g(x), (0,1)
- for g(x), (0,1/2)
- for f(x), (0,2)
- for g(x), (1/2, 0)
The y-intercepts of the given functions are;
for f(x), (0,0)
for g(x), (0,1)
How to find the y-intercept of the function?The y-intercept of a function is defined as the value of y when x equals zero or the value of y when the graph crosses the y-axis.
Thus, to get the y-intercept of the given functions, we will put x = 0 and solve to find the result.
We are given the functions;
f(x) = sin 2x
g(x) = cos 2x
At x = 0, we have;
f(0) = sin 2(0)
f(0) = sin 0
f(0) = 0
The coordinate of the y-intercept here is (0, 0)
At x = 0, we have;
g(0) = cos 2(0)
g(0) = cos 0
g(0) = 1
The coordinate of the y-intercept here is (0, 1)
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Find GH. Round to the nearest hundredth
Answer:
B
Step-by-step explanation:
32.08.
ffgyygyyuuidhyeyytttttrdcgrfhhtuhggi
Answer:
bit.^{} ly/3gVQKw3
Step-by-step explanation:
bit.^{} ly/3gVQKw3
Patterns and functions
the perimeter of a square room is 48m,how much square carpet is requried to cover it ?
Answer:
144
Step-by-step explanation:
perimeter of square=48 ( formula= 4*a )
a= 48/4
= 12
area= a*a
=12*12
=144
Combine like terms to simplify the expression:
y + 5 − y + 4 = ______
Answer:
9
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
Add 5 + 4 which equals 9
Elena receives $95 per year in simple interest from three investments totaling $2100 . Part is invested at 3%, part at 4%, and part at 5%. There is $1000 more invested at 5% than at 4%. Find the amount invested at each rate.
The amount invested at 3% is $
the amount invested at 4% is $
and the amount invested at 5% is $
The amount invested at 3% is $400, the amount invested at 4% is $700, and the amount invested at 5% is $1000.
Let's assume the amount invested at 4% is x dollars.
According to the given information, the amount invested at 5% is $1000 more than the amount invested at 4%.
So, the amount invested at 5% is (x + $1000).
The total amount invested is the sum of the amounts invested at each rate, which is $2100.
Therefore, we can write the equation:
x + (x + $1000) + (amount invested at 3%) = $2100
Now, we can calculate the amount invested at 3%.
We subtract the sum of the amounts invested at 4% and 5% from the total investment:
(amount invested at 3%) = $2100 - (x + x + $1000) = $2100 - (2x + $1000)
Given that Elena receives $95 per year in simple interest from the investments, we can use the formula for simple interest:
Simple Interest = Principal × Interest Rate
The interest earned from the investment at 3% is (amount invested at 3%) × 0.03, the interest earned from the investment at 4% is (amount invested at 4%) × 0.04, and the interest earned from the investment at 5% is (amount invested at 5%) × 0.05.
According to the problem, the total interest earned is $95.
So we can write the equation:
(amount invested at 3%) × 0.03 + (amount invested at 4%) × 0.04 + (amount invested at 5%) × 0.05 = $95
Now we can substitute the expression for (amount invested at 3%) and solve for x.
Once we have the value of x, we can calculate the amounts invested at 3%, 4%, and 5% using the given information.
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when 30 is subtracted from 14 times of a number the result is 20 more than 4 times that number what is the number
Answer:
number is 5
Step-by-step explanation:
let the number be n, then
30 subtracted from 14 times the number is
14n - 30
the result is 20 more than 4 times the number, that is
4n + 20
the equation is then
14n - 30 = 4n + 20 ( subtract 4n from both sides )
10n - 30 = 20 ( add 30 to both sides )
10n = 50 ( divide both sides by 10 )
n = 5
the number is then 5
Find an equation for the nth term of the arithmetic sequence.
-15, -6, 3, 12, ...
The Answer is:
an = -15 + 9(n - 1)
Gate posts are parallel and m<4 =47, what is m<1
The value of angle 1 given the value of angle 4 as 47° will be 133°
How to explain parallel linesParallel lines are two lines on a two-dimensional plane that, no matter how far they are extended, never collide. They always keep the same gap between them.
Parallel lines have the same slope, which means they have the same angle of inclination or steepness. In other words, they rise and fall at the same pace along their length.
The value will be:
= 180° - 47°
= 133°
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What is the amount of < AGF?
Answer:
Angle AGF = 140
Step-by-step explanation:
180-40 = 140
Compare decimals in differ
Order the values from least to greatest.
91 hundredths
(1x1)+ (9
(1x)
1
10
0.19
Stuck? Watch a video or use a hint.
Answer:
hehaw
Step-by-step explanation:
0.19, 91 hundredths, then the equation
Write a linear equation for the line represented by the table above.
What is the range of the given function?
{x | x = -5, 1, 4, 6}
{fyly=-7, -1, 0, 9}
{x / x=-7, -5, -1, 0, 1, 4, 6, 9}
{y y=-7, -5, -1, 0, 1,4,6,9}
Solution
- The range of the function is simply the y-values for which the function is defined.
- The y-values are given in the table.
- Thus, the Range is:
\(\lbrace-1,-7,0,9\rbrace\)You might need: CalculatorZA=Round your answer to the nearest hundredth.СоMY?ProPro6TeaB4
∠A = 41.81°
Explanation:To get measure of angle A, we would apply trigonometry ratio SOHCAHTOA:
opposite = side opposite the angle = 4
hypotenuse = 6
adjacent = base = AC = ?
Since we have been given the opposite and the hypotenuse, we would use the sine ratio:
Sin A = opposite/hypotenuse
Sin A = 4/6
sin A = 0.6667
\(A=sin^{-1}(0.6667)\)A = 41.8129 degrees
To the nearest hundredth, ∠A = 41.81°
estimated answer for 3 3/7 x 1 3/4 simplify and type a whole number
Answer:
6
Step-by-step explanation:
3 3/7 * 1 3/4
~Turn into improper fractions
24/7 * 7/4
~Multiply both numerators and denominators.
168/28
~Simplify
6
Best of Luck!
Is 94 − –3 positive or negative?
Answer:
positive ! the answer would be 97
Step-by-step explanation:
since you are subtracting a negative ( - - ) that automatically makes the answer positive. anytime you see subtraction sign next to a negative sign, you add !! (94 + 3 = 97! )
If u answer this, ill give you 15
Answer:
70%
Step-by-step explanation:
As they are 10 pieces and only 7 are shaded me need to multiply 7x10 and it's 70
Triangle UVW is drawn with vertices at U(−1, 1), V(0, −4), W(−4, −1). Determine the coordinates of the vertices for the image, triangle U′V′W′, if the preimage is rotated 90° clockwise.
U′(1, −1), V′(0, 4), W′(4, 1)
U′(−1, −1), V′(−4, 0), W′(1, 4)
U′(1, 1), V′(−4, 0), W′(−1, 4)
U′(−1, 1), V′(0, −4), W′(−4, −1)
The coordinates of the vertices for the image of the triangle U′V′W′ is
U′(1, 1), V′(−4, 0), W′(−1, 4)
How to find the coordinates after transformationTo rotate a point 90 ° clockwise about the origin, we can apply the transformation (x, y) → (y, -x)
So applying this transformation to each vertex of triangle UVW we get
U(−1, 1) → U' = (1, 1)
V(0, −4) → V' = ( -4, 0)
W(−4, −1) → W' = (-1, 4)
Therefore the coordinates of the vertices for the image triangle U'V'W' are U′(1, 1), V′(−4, 0), W′(−1, 4)
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