Answer:
Step-by-step explanation:
Statements Reasons
1). WV ⊥ WX 1). Given
2). WY ⊥ XV 2). Given
3). m∠XWV = m∠XYW = 90° 3). Right angles
4). ∠X ≅ ∠X 4). Reflexive property
5). ΔVWX ~ ΔVYW 5). AA property of similarity
Stephen opens a savings account with an initial deposit of $300.
Every month, Stephen will deposit an additional $250 into the
account from his paycheck. Which function below shows the total
amount of his deposits for x number of months?
A. y = 300x + 250
B. y = 12x + 550
C. y = x(300 + 250)
D. y = 250x + 300
Find the perimeter of a parallelogram whose base is 8cm and another side is 12cm
A parallelogram
P=2(a+b)
The answer is 64
P=2(a+b)=2·(24+8)=64
Find the indicated term of the sequence whose nth term is given by the formula.
an = (−1)n − 3n2; a12
a12 =
Answer:
a 12= − 3 n 2 − n
Step-by-step explanation:
Find the slope of a line perpendicular to the line whose equation is x + 6y = -24.
Fully simplify your answer.
Answer:
\(m_{perpendicular}\) = 6
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 )
given
x + 6y = - 24 ( subtract x from both sides )
6y = - x - 24 ( divide through by 6 )
y = - \(\frac{1}{6}\) x - 4 ← in slope- intercept form
with slope m = - \(\frac{1}{6}\)
given a line with slope m then the slope of a line perpendicular to it is
\(m_{perpendicular}\) = - \(\frac{1}{m}\) = - \(\frac{1}{-\frac{1}{6} }\) = 6
HELPPP PLEASE OMGGG!!!
Answer:
Step-by-step explanation:
Has to be D Square root is always bigger.
the value of 86 in a dataset with the mean 101 and the standard deviation 19
The z-score of the value is -0.79
How to determine the z-score of the value?The given parameters are
Value = 86
Mean = 101
Standard deviation = 19
The z-score of the value is calculated using
z= (Value - Mean)/Standard deviation
This gives
z = (86 - 101)/19
Evaluate
z = -0.79
Hence, the z-score of the value is -0.79
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OK for real this is a hard only verified experts can do this!!!!
The numeric value of the exponential expression in this problem is given by the following option:
A. 2^12.
How to obtain the numeric value of the exponential expression?The exponential expression for this problem is defined as follows:
8^x/2^y.
8 is the third power of 2, hence:
8 = 2^3.
When a term is elevated to two of it's powers, the powers are multiplied, hence:
(2^3)^x = 2^(3x).
Meaning that the exponential expression is then written as follows:
8^x/2^y = 2^(3x)/2^y.
When two terms of the same base and different exponents are divided, we keep the base and subtract the exponents, hence the expression is given as follows:
2^(3x)/2^y = 2^(3x - y).
As stated in the problem, the numeric value of the expression 3x - y is given as follows:
3x - y = 12.
Hence the entire expression is simplified as follows:
2^(3x - y) = 2^12.
Meaning that the correct option is given by option A.
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Answer:A. 2^12.
Step-by-step explanation:i did it and got it right
"A fair die is successively rolled. Let X and Y denote,
respectively, the number of rolls necessary to obtain a 6 and a 5.
Find (a) E[X]; (b) E[X|Y=1]; (c) E[X|Y=5]."
X and Y have a geometric distribution, for part b and c we have E[X|Y = 1] = summation P{X=x, Y=1}/P[Y=1} and E[X|Y = 5] = summation P{X=x, Y=5}/P[Y=5}. Can anyone explain how to find P{X=x, Y=1} and P{X=x, Y=5}?
The value of the required probabilities are:
(a) E[X] = 6
(b) E[X|Y=1] = 1/36
(c) E[X|Y=5] = 5/36.
To find the values of P{X=x, Y=1} and P{X=x, Y=5}, we need to understand the concept of conditional probability and the properties of geometric distributions.
First, let's recall some properties of geometric distributions:
The probability of success (rolling a specific number on a fair die) in a single trial is denoted by p, and for a fair die, p = 1/6.
The probability of failure (not rolling the specific number) in a single trial is denoted by q, and for a fair die, q = 1 - p = 5/6.
The geometric distribution is the number of trials required to achieve the first success (rolling the specific number) in a sequence of independent trials.
For the random variable X (number of rolls necessary to obtain a 6), X follows a geometric distribution with parameter p = 1/6.
Now, let's find the values of P{X=x, Y=1} and P{X=x, Y=5}.
(a) E[X]:
The expected value of X (denoted as E[X]) for a geometric distribution is given by E[X] = 1/p. For a fair die, p = 1/6, so E[X] = 1 / (1/6) = 6.
(b) E[X|Y=1]:
This represents the expected number of rolls necessary to obtain a 6 given that the first roll resulted in a 5.
To find E[X|Y=1], we need to consider the conditional probability.
The event "Y=1" represents that the first roll resulted in a 5.
The probability of rolling a 6 in the next roll (X=1) given that Y=1 is P{X=1, Y=1}.
Since the rolls are independent, P{X=1, Y=1} = P{X=1} * P{Y=1}.
The probability of rolling a 6 in a single roll (P{X=1}) is 1/6, and the probability of rolling a 5 in a single roll (P{Y=1}) is also 1/6 (since we want the first roll to be a 5).
So, P{X=1, Y=1} = (1/6) * (1/6) = 1/36.
Now, to find E[X|Y=1], we need to sum the products of the number of rolls (x) and the corresponding probabilities for all possible values of x, given that Y=1:
E[X|Y=1] = ∑(x * P{X=x, Y=1})
Since the geometric distribution is defined over all non-negative integers, we need to consider all possible values of x (0, 1, 2, 3, ...).
E[X|Y=1] = (0 * P{X=0, Y=1}) + (1 * P{X=1, Y=1}) + (2 * P{X=2, Y=1}) + ...
Now, we already know that P{X=1, Y=1} = 1/36. For all other values of x, P{X=x, Y=1} = 0 because we cannot have any rolls beyond the first roll when Y=1 (since Y=1 means the first roll was a 5).
So, E[X|Y=1] = (1 * 1/36) + (0 * 0) + (0 * 0) + ... = 1/36.
(c) E[X|Y=5]:
This represents the expected number of rolls necessary to obtain a 6 given that the first roll resulted in a 5 followed by four rolls that resulted in other numbers (not 6).
Similarly to part (b), we need to consider the conditional probability.
The event "Y=5" represents that the first five rolls resulted in numbers other than 6.
The probability of rolling a 6 in the next roll (X=1) given that Y=5 is P{X=1, Y=5}.
Again, since the rolls are independent, P{X=1, Y=5} = P{X=1} * P{Y=5}.
The probability of rolling a 6 in a single roll (P{X=1}) is 1/6, and the probability of rolling a number other than 6 in a single roll (P{Y=5}) is 5/6 (since we want the first five rolls to be numbers other than 6).
So, P{X=1, Y=5} = (1/6) * (5/6) = 5/36.
To find E[X|Y=5], we need to sum the products of the number of rolls (x) and the corresponding probabilities for all possible values of x, given that Y=5:
E[X|Y=5] = ∑(x * P{X=x, Y=5})
Similarly to part (b), for all values of x other than 1, P{X=x, Y=5} = 0 because we cannot have any rolls beyond the first roll when Y=5 (since Y=5 means the first five rolls were other numbers).
So, E[X|Y=5] = (1 * 5/36) + (0 * 0) + (0 * 0) + ... = 5/36.
Hence, The value of the required probabilities are:
(a) E[X] = 6
(b) E[X|Y=1] = 1/36
(c) E[X|Y=5] = 5/36.
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Which table shows a linear function?
-
-3
-
-2
-
MO
Suppose that ƒ is a function given as f(x) = 4x² + 5x + 3.
Simplify the expression f(x + h).
f(x + h)
Simplify the difference quotient,
ƒ(x + h) − ƒ(x)
h
=
Submit Question
The derivative of the function at x is the limit of the difference quotient as h approaches zero.
f(x+h)-f(x)
f'(x) =lim
h→0
h
ƒ(x + h) − f(x)
h
=
Answer:
f(x +h) = 4x² +4h² +8xh +5x +5h +3
(f(x+h) -f(x))/h = 4h +8x +5
f'(x) = 8x +5
Step-by-step explanation:
For f(x) = 4x² +5x +3, you want the simplified expression f(x+h), the difference quotient (f(x+h) -f(x))/h, and the value of that at h=0.
F(x+h)Put (x+h) where h is in the function, and simplify:
f(x+h) = 4(x+h)² +5(x+h) +3
= 4(x² +2xh +h²) +5x +5h +3
f(x +h) = 4x² +4h² +8xh +5x +5h +3
Difference quotientThe difference quotient is ...
(f(x+h) -f(x))/h = ((4x² +4h² +8xh +5x +5h +3) - (4x² +5x +3))/h
= (4h² +8xh +5h)/h
(f(x+h) -f(x))/h = 4h +8x +5
LimitWhen h=0, the value of this is ...
f'(x) = 4·0 +8x +5
f'(x) = 8x +5
__
Additional comment
Technically, the difference quotient is undefined at h=0, because h is in the denominator, and we cannot divide by 0. The limit as h→0 will be the value of the simplified rational expression that has h canceled from every term of the difference. This will always be the case for difference quotients for polynomial functions.
<95141404393>
A company's sales in Seattle were $330,000 in 2012, while their sales in Portland were $245,000 for
the same year. Complete the following statements:
a. Seattle's sales were
% larger than Portland's.
b. Portland sales were
% smaller than Seattle's.
c. Portland sales were
% of Seattle's.
The goal of this game is to capture all of the monsters with the triangle when it is your turn. On your turn, you must perform a series of no more than five transformations on ∆ABC. Possible transformations include translations, reflections, and dilations. Dilations are limited to scale factors of 2, 3, and 4. You may use from one to five transformations, but the monsters are only captured at the end of your series of transformations. Each triangle must stay on the screen. Captured monsters must completely fit inside of your final triangle.
Answer:
Step-by-step explanation:
15
pls helpppp right answers only with explaintion.
The power expression 1 / 5⁸ is the simplified form by algebra properties of (5⁻⁴)².
How to simplify a power expression
In this problem we find a power expression that must simplified by means of algebra properties. First, write the entire expression introduced in the statement:
(5⁻⁴)²
Second, use the property for the power of a power:
5⁻⁸
Third, use the property for the power of a power once again:
(5⁸)⁻¹
Fourth, apply the definition of a division:
1 / 5⁸
The simplified form of (5⁻⁴)² is equal to 1 / 5⁸.
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2. aubrey solves the equation x-4 = 4 - x and shows her work she found that x = 4 and x = 5 what mistake did she make what is the correct answer
3. photo for reference
Answer: x doesn't equal four x would have to equal -5 because it cant before because it would be a zero and there would be no solution
Step-by-step explanation: brainliest plz
Divide. (10m8 + 4m6 + 10m5) ÷ 2m2 5m6 + 4m4 + 10m3 5m6 + 2m4 + 10m5 5m6 + 2m4 + 5m3 5m8 + 2m6 + 5m5
The remainder when dividing
\((10m^8 + 4m^6 + 10m^5) by (2m^2 + 5m^6 + 4m^4 + 10m^3)\) is
\(-25m^{12} - 20m^{10} - 50m^9 + 4m^6 + 10m^5.\)
To find the remainder when dividing
\((10m^8 + 4m^6 + 10m^5) by (2m^2 + 5m^6 + 4m^4 + 10m^3),\) we can use polynomial long division.
The dividend is\((10m^8 + 4m^6 + 10m^5)\) and the divisor is \((2m^2 + 5m^6 + 4m^4 + 10m^3).\)
Starting with the highest degree term, we divide (\(10m^8\)) by (\(2m^2\)) which gives us \(5m^6\).
Next, we multiply the entire divisor \((2m^2 + 5m^6 + 4m^4 + 10m^3)\) by \(5m^6\), which gives us (\(10m^8 + 25m^{12} + 20m^{10} + 50m^9\)).
We then subtract this product from the original dividend:
\((10m^8 + 4m^6 + 10m^5) - (10m^8 + 25m^{12} + 20m^{10} + 50m^9)\) =\(-25m^{12} - 20m^{10} - 50m^9 + 4m^6 + 10m^5.\)
We repeat the process with the new dividend (\(-25m^{12} - 20m^{10} - 50m^9 + 4m^6 + 10m^5\)) and the divisor (\(2m^2 + 5m^6 + 4m^4 + 10m^3\)).
Continuing the long division process, we eventually find the remainder to be: \(-25m^{12} - 20m^{10} - 50m^9 + 4m^6 + 10m^5.\)
Therefore, the remainder when dividing (\(10m^8 + 4m^6 + 10m^5\)) by (\(2m^2 + 5m^6 + 4m^4 + 10m^3\)) is \(-25m^{12} - 20m^{10} - 50m^9 + 4m^6 + 10m^5\).
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Note the full question is:
Divide. (10m8 + 4m6 + 10m5) ÷ 2m2 5m6 + 4m4 + 10m3 5m6 + 2m4 + 10m5 5m6 + 2m4 + 5m3 5m8 + 2m6 + 5m5
What is the reminder
Suppose you have a jar with 380 marbles that are either red or green. You want to estimate how may marbles in the jar are red without counting all of them. You take four random samples of 16 marbles. After each sample, the marbles are returned to the jar. Choose the best conclusion you can make.
Simply count the number of red marbles in each sample and divide by the total number of marbles in the sample (16). Then, take the average of those proportions to estimate the proportion of red marbles in the jar as a whole
Based on the information provided, the best conclusion we can make is an estimate of the proportion of red marbles in the jar. We can use the four random samples of 16 marbles to calculate the proportion of red marbles in each sample, and then take the average of those proportions to estimate the overall proportion of red marbles in the jar.
It's important to note that this estimate may not be perfectly accurate, since the samples are small and may not perfectly represent the entire jar. However, it's a useful way to get an idea of how many red marbles are in the jar without having to count all of them.
To calculate the proportion of red marbles in each sample
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Please Help! I will give brainliest
Set up the equation and solve it to find the unknown number.
The angles of a triangle are in the ratio 2:3:4. Find their measure.
Answer:
Step-by-step explanation:
2:3:4= 9
2/9 x 180= 40 degrees
3/9 x 180= 60 degrees
4/9 x 180= 80 degrees
~~~Inuola1234
What do you remember?
You have seen a figure very similar to this one in a in
previous lesson. Points A and B are each at the centers
of circles of radius AB. Compare EA and EB. Explain
your reasoning.
✓
Answer:
EA and EB are equal
Step-by-step explanation:
This is because both of the circles have the same radius AB. The radius is the length from the center of a circle to anywhere on the edge of the circle and is the same no matter where on the circle it is measured from, as long as it goes to the middle. If we focus on just the circle with B at its center, we can see that AB is the radius from the middle to the edge of the circle at A. E also lies on the edge of this same circle, meaning that the length from B to E is that same as AB, the radius. The same logic applies to AE, the length AE is equal to the radius AB because it also runs from the center to the edge of the circle.
Therefore, EA and EB are equal, because they are both radii of two same size circles and are equal to the length of AB.
Hope this helped!
For each team, find the unit rate games per loss.
0.156 is the unit rate games per loss.
What is Slope of Line?The slope of the line is the ratio of the rise to the run, or rise divided by the run. It describes the steepness of line in the coordinate plane.
The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.
The slope of line passing through two points (x₁, y₁) and (x₂, y₂) is
m=y₂-y₁/x₂-x₁
Plug in the values from the table to the above formula.
Slope is nothing but rate of change.
m=17-12/68-36
m=5/32
m=0.156
Hence, 0.156 is the unit rate games per loss.
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Solve the equation + 6 = 2.
Question 13 options:
A)
No Solution
B)
a = 13
C)
a = 7
D)
a = 61
Question 14 (5 points)
Solve the equation 10 + y√
y
= 14
Question 14 options:
A)
y = 576
B)
y = 4
C)
y = 16
D)
y = 2
Please awnser asap I will brainlist
Answer:
V = 180 (vans)
S = 90 (small trucks)
L = 40 (large trucks)
Step-by-step explanation:
Set up the variables: Let V represent the number of vans, S represent the number of small trucks, and L represent the number of large trucks.
Write the equations:
V + S + L = 310 (total number of vehicles)
V = 2S (twice as many vans as small trucks)
35,000V + 70,000S + 60,000L = 15,000,000 (total cost of the vehicles)
Substitute equation 2) into equation 1):
2S + S + L = 310
3S + L = 310
Simplify equation 3) by substituting V = 2S:
70,000S + 70,000S + 60,000L = 15,000,000
140,000S + 60,000L = 15,000,000
Set up a system of equations:
3S + L = 310
140,000S + 60,000L = 15,000,000
Eliminate L by multiplying equation 1) by 60,000:
60,000(3S + L) = 60,000(310)
180,000S + 60,000L = 18,600,000
Subtract equation 2) from the new equation:
(180,000S + 60,000L) - (140,000S + 60,000L) = 18,600,000 - 15,000,000
40,000S = 3,600,000
Solve for S:
S = 90
Substitute the value of S into equation 1) to solve for L:
3(90) + L = 310
270 + L = 310
L = 40
Substitute the values of S and L into equation 2) to solve for V:
V = 2S
V = 2(90)
V = 180
The final answer is:
V = 180 (vans)
S = 90 (small trucks)
L = 40 (large trucks)
Answer:
180 Vans 90 Small trucks and 40 Large trucks
Step-by-step explanation:
Multiply.
(2x+6)²
NEED ANSWER ASAPP
Answer:
4x² + 24x + 36
Step-by-step explanation:
(2x + 6)² = (2x + 6)(2x + 6) = 4x² + 12x + 12x + 36 = 4x² + 24x + 36
twice the difference of a number and nine is greater than 20 use the variable b for the unknown number
Answer:
Step-by-step explanation:
2(b-9) > 20
b - 9 > 20/2
b - 9 > 10
b > 10+9
b > 19
line AB has an equation of -5=2x-y. what is the equation, in slope intercept form, of a line that is perpendicular to line AB and passes through (-3,4)
The equation, in slope intercept form, of a line that is perpendicular to line AB and passes through (-3, 4) is y = -0.5x + 2.5.
How to determine an equation of this line?In Mathematics and Geometry, the point-slope form of a straight line can be calculated by using the following mathematical equation (formula):
y - y₁ = m(x - x₁)
Where:
x and y represent the data points.m represent the slope.Since the equation of line AB is -5 = 2x - y, the slope is given by;
y = 2x + 5
m₁ × m₂ = -1
2 × m₂ = -1
m₂ = -1/2
Slope, m₂ = -1/2
At data point (-3, 4) and a slope of -1/2, a linear equation for this line can be calculated by using the point-slope form as follows:
y - y₁ = m(x - x₁)
y - 4 = -1/2(x + 3)
y = -1/2(x) + 2.5
y = -0.5x + 2.5
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Plz help what the answer
Can someone help me please? Thank you!
Answer:
A
Step-by-step explanation:
Since both terms are perfect squares, factor using the difference of the spaces formula
Heyy, if you can, please help!
Answer:
1.75
Step-by-step explanation:
Please help solve 3m/2/3 = 7
Answer:
the solution to the equation is m = 28/3, or approximately 9.3333
Step-by-step explanation:
To solve this equation, you need to get the variable, in this case "m," by itself on one side of the equation. To do this, you can start by isolating the fraction on the left side of the equation. You can do this by multiplying both sides of the equation by 2/3, which will cancel out the 2/3 on the left side:
3m/2/3 = 7
(2/3) * (3m/2/3) = (2/3) * 7
3m/2 = 7 * (2/3)
3m/2 = 14/3
Next, you can multiply both sides of the equation by 2 to get rid of the fraction on the left side:
(2) * (3m/2) = (2) * (14/3)
3m = 28/3
Finally, you can simplify the right side of the equation by dividing both sides by 3 to get the final solution:
(3m) / 3 = (28/3) / 3
m = 28/3
Therefore, the solution to the equation is m = 28/3, or approximately 9.3333.
Answer:
Maybe m = 14/9
Maybe m = 14
Step-by-step explanation:
It is not clear what you mean by the fraction on the left side.
Do you mean
3m/(2/3) = 7 ?
If so:
3m = 7 × 2/3
3m = 14/3
m = 14/9
Do you mean
(3m/2)/3 = 7 ?
If so:
3m/2 = 21
m = 21 × 2/3
m = 14
Do you mean something else?
What is the value of x? Enter your answer in the box. X = cm 5 cm 48 cm 40 cm
The value of x in the similar triangle is 6 units.
How to find side of similar triangle?Two triangles are said to be similar if their corresponding angles are congruent and the corresponding sides are in proportion .
Therefore, let's use the similarity ratio to find the value of x in the similar triangle as follows:
Hence,
5 / 40 = x / 48
48 × 5 = 40x
240 = 40x
divide both sides by 40
x = 240 / 40
x = 6
Therefore,
x = 6
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