Answer:
-80zx^5y^2
Step-by-step explanation:
Here, we want to multiply the expressions
We take the similar terms together and add the exponent
We have this as:
(8 * -10) * (x^2 * x^3) * (y^0 * y^2) + z
-80z * (x^(2+3)) * (y^(0+2))
-80z * x^5 * y^2
-80zx^5y^2
Keon biked 78 kilometers in 3 hours. How many kilometers did he bike per hour
Answer:
26km/hr
Step-by-step explanation:
78 divided by 3 hours is equal to 26km/hr
abc has a $5 million liability at december 31, 2018, of which $1 million is payable in each of the next five years. abc reports the liability on the balance sheet as a:
ABC reports the liability on the balance sheet as a $1 million current liability, and a $4 million long-term liability.
What are current and long-term liabilities?A current liability is a liability that is payable within 12 months or one year.
On the other hand, a long-term liability is a liability that is payable after 12 months or one year.
Since $1 million is payable in each of the next five years, this implies $1 million is payable within one year while $4 million is payable after one year.
Therefore, ABC reports the liability on the balance sheet as a $1 million current liability, and a $4 million long-term liability.
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a college statistics professor has office hours from 9:00 a.m. to 10:30 a.m. daily. a random sample 20 students waiting has a mean of 22.3 minutes. assuming find the 95.44% confidence interval for the population mean.
The 95.44% confidence interval for the population mean is approximately (19.87 minutes, 24.73 minutes).
To calculate the 95.44% confidence interval for the population mean, we can use the following formula:
Confidence Interval = sample mean ± (critical value) * (standard deviation / sqrt(sample size))
First, let's determine the critical value. Since the confidence level is 95.44%, we need to find the z-score that corresponds to a tail probability of (1 - 0.9544)/2 = 0.0228. Looking up this value in the standard normal distribution table or using a statistical calculator, we find that the z-score is approximately 2.17.
Next, we need to determine the standard deviation of the population. Since we don't have that information, we'll use the sample standard deviation as an estimate. Let's assume the sample standard deviation is 5 minutes.
Now we can calculate the confidence interval:
Confidence Interval = 22.3 ± (2.17) * (5 / sqrt(20))
Calculating the expression inside the parentheses:
= 22.3 ± (2.17) * (5 / sqrt(20))
= 22.3 ± 2.17 * (5 / 4.472)
= 22.3 ± 2.17 * 1.118
Calculating the confidence interval:
Lower Limit = 22.3 - (2.17 * 1.118)
Upper Limit = 22.3 + (2.17 * 1.118)
Lower Limit = 22.3 - 2.42706 ≈ 19.87294
Upper Limit = 22.3 + 2.42706 ≈ 24.72706
Therefore, the 95.44% confidence interval for the population mean is approximately (19.87 minutes, 24.73 minutes).
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Please help me with this i need to submit it today
(3x12)+(2x19)-3-3-3-3-3 if that's not right super sorry
Quadratics, parabola. Please help, will give Brainliest
Answer:
See image below
Step-by-step explanation:
The equation y = 8.1x models the relationship between the number of hours Alexander works, x, and the dollar amount he earns, y. Which is the graph of the equation y = 8.1x?A coordinate grid with a curved line starting at (1, 8) curving down and to the right passing through (2, 4), (4, 2), and (7, 1)A coordinate grid with a straight line starting at (0, 0) and (1, 8).A coordinate grid with a straight line starting at (0, 2) passing through (2, 4) and (6, 8).
Answer:
Graph B
Step-By-Step Explanation:
Answer:
The correct answer is B
Step-by-step explanation:
pls help
what is the volume
And total surface area
Which of the following statements about a plane is not true?
A plane can be thought of as flat.
The surface of a plane is made up of points.
A plane can be seen.
A plane extends infinitely in all directions.
Answer:
The last one is the answer.
Let A = { 0ku0k| k ≥ 1 and u ∈ Σ∗ }. Find that A is regular?
To determine if A = {0ku0k | k ≥ 1 and u ∈ Σ∗} is regular, we need to check if a finite state machine can be constructed for this language.
Observe the language A.A consists of strings with 0's, an arbitrary string u, and an equal number of 0's as before u.
Analyze the constraints,There's no fixed limit on the number of 0's (k ≥ 1), and u can be any string in Σ∗, which means an infinite number of possibilities.
Determine if A is regular.Since there are infinite possibilities for k and u, it is impossible to construct a finite state machine for A.
Therefore, A is not regular.
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what’s the distance between (-9,-3) and y=x-6
hopefully this will help :)
2) Slove the equation .2x + 1.2 = .5x
0 .2 x + 1.2 = 0 .5 x
collecting like terms, we have :
0. 5 x - 0 . 2 x = 1 . 2
0. 3 x = 1. 2
Divide both sides , we have:
x = 1 . 2 / 0. 3
x = 4
HELLPP HURRY PLZZZZZZZ
Answer:
Answer
The answer is 130 because 130+70)180
n =24 2n+10 ???.?.?.?.?.?.?.?.?
Answer:
n = - 10/47
Step-by-step explanation:
n= 24 * 2n +10
n= 48n + 10
n - 48n = 48n +10 - 48
-48n = 10
n= - 10/47
Answer:
2n + 10 = 58
Step-by-step explanation:
2n + 10 =
Substitute 24 for n
2(24) + 10
multiply 24 by 2
48 + 10
add them up
58
The final answer is 58
I hope it helps! Have a great day!
HCF by factorization method of 360,450,696
The HCF of 360, 450, and 696 by factorization method is 90.
How to find the HCFTo find the HCF (highest common factor) of 360, 450, and 696 by factorization method.
We need to first prime factorize each number:
360 = 2^3 × 3^2 × 5
450 = 2 × 3^2 × 5^2
696 = 2^3 × 3 × 29
Next, we identify the common factors and their smallest exponents in all three factorizations:
2^1, 3^2, 5^1
To find the HCF, we multiply the common factors with their smallest exponents together:
HCF = 2^1 × 3^2 × 5^1
HCF = 2 × 9 × 5
HCF = 90
Therefore, the HCF of 360, 450, and 696 is 90.
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_________ term is used to represent the percentage of time a specific result is expected to occur when the same basic procedure is repeated over and over again, where each repetition is independent.
Chance is a term used to represent the percentage of time a specific result is expected to occur when the same basic procedure is repeated over and over again, where each repetition is independent.
What is chance?Chance is a term that is used to describe the probability that a certain outcome will occur given a set of fundamental instructions repeated again with each repetition being independent.
Ultimately, this means the number of times a result of an event occurs when repeated over a number of times is chance.
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3. Mel has a bag of 8 marbles: 2 red, 3 yellow, and 3 green. She draws a marble from the bag,
writes down the color, replaces it, and draws again. She repeats this process for 40 trials and
records drawing a yellow marble 12 times. How does the experimental probability of selecting
a yellow marble compare to the theoretical probability? Explain.
We can see that the experimental probability is smaller than the theoretical one.
How do the probabilities compare?The theoretical probability is equal to the quotient between the number of yellow marbles and the total number, so here we have:
T = 3/8 = 0.375
The experimental probability is equal to the quotient between the number of times that Mel got a yellow marble and the total number of trials, so here we have:
E = 12/40 = 0.3
So the experimental probability is smaller than the theoretical one.
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A group of 9 friends go out to dessert and spend $72.45 including tax.
which costs $8 or a fruit salad which costs $5. The tax on the bill was
ice cream sundae and how many ordered a fruit salad?
You are considering the two different car loans.
Using the payment table, which loan has the lowest monthly payment?
Loan A has the lower monthly payment
=========================================================
Explanation:
Loan A is at a rate of 6.9% over 5 years. The table says that if you borrowed $100 at this interest rate and time period, then the monthly payment would be $1.98 per month.
However, you are borrowing $17,601 which is 176.01 times greater than 100 since (17601)/(100) = 176.01
So 1.98*176.01 = 348.4998 = 348.50 is the monthly payment of loan A.
------------------
Meanwhile, loan B has an interest rate of 8.9% and lasts for 3 years. Use the table to see that borrowing $100 at this rate and time means the monthly payment is $3.18
The multiplier this time is 162.90 because (16290)/(100) = 162.90
Therefore, 162.90*3.18 = 518.022 = 518.02 is the monthly payment of loan B.
--------------------
To summarize, we have these monthly payments
loan A monthly payment = $348.50loan B monthly payment = $518.02Loan A has the lower monthly payment
6. Show that z 1 (a) Res 2= 12 + 1 Logz (b) Res- z=i (z² + 1)² (c) Res- z=i (z² + 1)² = 1 + i √2 = = (2> 0,0 < arg z < 2π); π + 2i 8 1 i - 8√2 ; (2) > 0,0 < arg z < 2π).
To find the residues in each of the given cases, we will use the formula:
Res(f(z), z = z0) = (1/(m-1)!) * lim(z->z0) [(d/dz)^m-1 [(z-z0)^m * f(z)]]
(a) Res2
Using the formula above, we can write:
Res(z1, z = 2) = (1/1!) * lim(z->2) [(d/dz) [(z-2) * (12 + 1 Logz)]]
= (1/1!) * [(12 + 1 Log2) + (z-2) * (1/2z)]
= 6 + 1/4
= 25/4
Therefore, Res2 = 25/4.
(b) Res-i
Using the formula above, we can write:
Res(z1, z = i) = (1/1!) * lim(z->i) [(d/dz) [(z-i)² * (z²+1)²]]
= (1/1!) * [(i-i)² * (i²+1)² + 2i(i-i) * (i²+1) + (z-i)² * (4i(z²+1)) + (z-i)³ * 8iz]
= 8i
Therefore, Res-i = 8i.
(c) Res-i
Using the formula above, we can write:
Res(z1, z = i) = (1/1!) * lim(z->i) [(d/dz) [(z-i)² * (z²+1)²]]
= (1/1!) * [(i-i)² * (i²+1)² + 2i(i-i) * (i²+1) + (z-i)² * (4i(z²+1)) + (z-i)³ * 8iz]
= 8i
Therefore, Res-i = 8i.
However, Res-i can also be found by observing that (z²+1)² has a double pole at z=i. Therefore, we can write:
Res-i = lim(z->i) [(d/dz) [(z-i)² * (z²+1)²]] * (z-i)
= lim(z->i) [(d/dz) [(z²+1)²]] * (z-i)
= lim(z->i) [2(z²+1) * (z-i)] * (z-i)
= 2i
Therefore, Res-i = 2i.
Hence, we have:
Res-i = 8i = 2i
So, the correct value of Res-i is 2i.
Therefore, the residues in the given cases are:
Res2 = 25/4
Res-i = 2i
Res-i = 2i
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What is the perimeter of the rectangle, if the formula for perimeter is Prectangle = 21 + 2w?
6 cm
Please help
Write the equation of a line which goes through the point (0, 1) and has a slope of 2/3
Answer:
y=2/3x+1
Step-by-step explanation:
slope intercept form is y=mx+b.
slope is m, which is 2/3.
y-int is b, which is 1.
y=2/3x+1
what side lengths should be used to model a rectangle with an area of x^2+3x-10 square units? x-5 and x+2 x and x+3 x+3 and x-10
Answer:
Answer: x-2 and x+5 side lengths should be used to model a rectangle.
Step-by-step explanation:
can u make me brainiest pls
Answer:
None of the 3 available answers models the given rectangle
I believe (x+5)(x-2) would be equal though.
Step-by-step explanation:
(x-5)(x+2) = x²+2x-5x-10
simplify:
x²-3x-10 ≠ x²+3x-10
(x)(x+3) = x²+3x
simplify:
x²-3x ≠ x²+3x-10
(x+3)(x-10) = x²-10x+3x-30
simplify:
x²-7x-30 ≠ x²+3x-10
According to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250
Based on the best line of fit, when jean completes 60 minutes of typing, she would have typed: C. 3,000 words.
What is the Line of Best Fit?The line of best fit shows the trend of the association between two variables, which can be used for prediction.
Using the line of best fit in the graph given, by the time Jean will complete 60 minutes of typing, she would have typed: C. 3,000.
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According to the line of best fit, about how many words will Jean have typed when she completes 60 minutes of typing?
2,500
2,750
3,000
3,250
ANSWER C
Help me with this, it’s due in a bit!
Answer:
64 square centimeters
Step-by-step explanation:
The surface are of a pyramid is found by finding the sum of the area of the four sides and the base.
Finding the triangular face:
Area of triangle = \(\frac{1}{2} b h\) = \(\frac{1}{2}*4*6 = 12\)
12 * 4 (4 sides) = 48 square cm
Finding the Base = \(w * l = 4 * 4 = 16\)
Finally, we add it together. 48 + 16 = 64
pls help I just want to enjoy spring break plsssss
Answer:
homedogxD: 74 + x + 62 + 55 = 180. So x = -11
Step-by-step explanation:
This is from homedogxD but no one put it as an answer so..................
Evaluating Functions Use the function f(x) = 3x + 8 to answer the following questions Evaluate f(-4): f(-4) Determine z when f(x) = 35 HI
To evaluate the function f(x) = 3x + 8 for a specific value of x, we can substitute the value into the function and perform the necessary calculations. In this case, when evaluating f(-4), we substitute -4 into the function to find the corresponding output. The result is f(-4) = 3(-4) + 8 = -12 + 8 = -4.
The function f(x) = 3x + 8 represents a linear equation in the form of y = mx + b, where m is the coefficient of x (in this case, 3) and b is the y-intercept (in this case, 8). To evaluate f(-4), we substitute -4 for x in the function and calculate the result.
Replacing x with -4 in the function, we have f(-4) = 3(-4) + 8. First, we multiply -4 by 3, which gives us -12. Then, we add 8 to -12 to get the final result of -4. Therefore, f(-4) = -4. This means that when x is -4, the function f(x) evaluates to -4.
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What is the slope of the equation y = 12x - 19?
Answer:
12 is the slope.
Step-by-step explanation:
This is because in the equation y = mx + b, m is the slope.
Hope this helps!
I just moved into accelerated math, and this problem is very hard. I was wondering if you guys could help me solve it. What is (8x-1). Please and thank you.
The value of x will be; x = 1/8
Since equation is an expression that shows the relationship between two or more numbers and variables.
We are given that the equation (8x-1).
Here, we need to solve for x;
(8x-1).
combine the like terms;
(8x-1) = 0
8x = 1
x = 1/8
Therefore, the solution will be as x = 1/8
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Branliest For Correct answer
Please I need help
Factor Completely
a^2 - a - 20
Answer:
\(\left(a+4\right)\left(a-5\right)\)
Step-by-step explanation:
Break the expression into groups.
=(a^2+4a)+(−5a−20)
Factor out a from a2+4a: a(a+4)
Factor out −5 from −5a−20: −5(a+4)
=a(a+4)−5(a+4)
Jessie set up a lemonade stand for three days.
• On Saturday, she sold 10 2⁄3 gallons of lemonade.
• On Sunday, she sold 3 1⁄3 gallons more than she sold on Saturday.
• On Monday, she sold 2 2⁄3 gallons less than she sold on Sunday.
How many gallons of lemonade did Jessie sell on Monday?
Answer: 11 1/3 gallons of lemonade