what is 5 x 1284
plz answer thanks
Answer:
6420
Step-by-step explanation:
hope this helps
find the value of
\(2x3y\)
when x=1 and y= 3
If x =1 and y =3
= 2(1) × 3(3)
= 2×9
= 18
Three balls are placed in a row on a thin metal rod through a hole in the center of each ball. the middle ball is touching both of the other balls. the diameter of the balls 3,4, and 5 inches. of the following, which is closest to the greatest possible distance between the center of any two of the balls?
Answer:d
Step-by-step explanation:
The greatest so place the biggest one in the middle so 1.5+5+2=8.5
A researcher is 95% confident that the interval from 2.9 minutes to 6.83 minutes captures u = the true mean amount
of time mice take to complete a maze for a piece of cheese.
Is it plausible that the true mean number of times for all mice to complete this maze may be less than 7 minutes?
No, this is not plausible for the population mean because 7 minutes is within the 95% confidence interval.
O No, this is not plausible for the population mean because 7 minutes is not within the 95% confidence interval.
Yes, this is plausible for the population mean because 7 minutes is not within the 95% confidence interval.
O Yes, this is plausible for the population mean because the upper boundary of the 95% confidence interval is below
7 minutes
Answer:
Answer is d.
Step-by-step explanation:
edg 2020
What would be the measure of segment FH?
AD, BE, and CF are all diameters of the circle. The measure of angle AOB is 40 degrees. The measure of angle DOF is 120 degrees.
BOC= ___ degrees.
COD= ___ degrees.
Answer:
Angle BOC is 80 degrees
Angle COD is 60 degrees
Answer:
∠ BOC = 80°, ∠ COD = 60°
Step-by-step explanation:
∠ AOC = ∠ DOF = 120° ( vertical angles ), then
∠ BOC = ∠ AOC - ∠ AOB = 120° - 40° = 80°
-----------------------------------------------------------------
∠ COD = 180° - ∠ AOC = 180° - 120° = 60°
other factors remaining constant, how does sm affect the width of a confidence interval?
Standard error (SE) is a measure of the variability of the sample mean estimate, and it is calculated using the sample size and the standard deviation of the population. Smaller SEs result in narrower confidence intervals (CI) while larger SEs result in wider CIs.
Social media (SM) can affect the width of a confidence interval by influencing the sample size and standard deviation. For instance, if the sample size is small, the CI will be wider than if the sample size is large, regardless of SM. However, SM can influence the sample size by providing access to a larger or smaller population.
In addition, SM can affect the standard deviation by introducing bias or error in the data collection process. For example, if a survey is conducted through SM and the responses are voluntary, the sample may not be representative of the population, leading to a larger standard deviation.
In summary, SM can impact the width of a CI by influencing the sample size and standard deviation, but other factors, such as the sampling method and level of precision desired, should also be taken into consideration.
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Did I answer this correctly?
Answer:
yes I think susjehueiwkqkq
Please help I will give brainlist
Answer:
if you are adding two negative numbers, the number is greater
if you are taking a positive number and adding a negative number to it you subtract
so like the answer to number three, -51 + -9 your answer is negative 60, number four your answer is 21, number seven your answer is 43, number 8 your answer is -34 number 11 your answer is 6 number 12 your answer is 12 hopefully you catch on
Answer:
Step-by-step explanation:
1. -51 + (-9) = -60
2. 27 + (-6) = 21
3. 1 + (-30) = -29
4. 15 + (-25) = -10
5. 50 + (-7) = 43
6. -19 + (-15) = -34
7. (-23) + 9 = -14
8. -19 + (-21) = -2
9. -17 + 11 = -6
10. 20 + (-8) = 12
11. (-15) + (-7) = -22
12. 12 + (-14) = -2
e + 3.1 = 5
this is hard.
AnswerAnswer:E=1.9
Step-by-step explanation:
ssorry bit i conta speak englessh
Answer the following for 10 points
Answer:
Regional metamorphism
Step-by-step explanation:
(all definitions below are NOT my own definitions, but burrowed from trustworthy informational sites)
It is not Sediment Layering because Sediment Layering is sedimentary rocks layers are piled one on top of the other.
It is not Cooling of Magman because Cooling of Magman is elements within the magma combine and crystalize into minerals that form an igneous rock.
It is not Contact Metamorphism because Contact Metamorphism is metamorphism due to contact with or proximity to an igneous intrusion.
It IS regional metamorphism because it is metamorphism affecting rocks over an extensive area as a result of the large-scale action of heat and pressure.
Hey ya'll I need help with can anyone help please
Sklyer has made deposits of $680 at the end of every quarter
for 13 years. If interest is %5 compounded annually, how much will
have accumulated in 10 years after the last deposit?
The amount that will have accumulated in 10 years after the last deposit is approximately $13,299.25.
To calculate the accumulated amount, we can use the formula for compound interest:
A = P(1 + r/n)^(nt)
Where:
A = Accumulated amount
P = Principal amount (initial deposit)
r = Annual interest rate (as a decimal)
n = Number of times interest is compounded per year
t = Number of years
In this case, Sklyer has made deposits of $680 at the end of every quarter for 13 years, so the principal amount (P) is $680. The annual interest rate (r) is 5%, which is 0.05 as a decimal. The interest is compounded annually, so the number of times interest is compounded per year (n) is 1. And the number of years (t) for which we need to calculate the accumulated amount is 10.
Plugging these values into the formula, we have:
A = $680(1 + 0.05/1)^(1*10)
= $680(1 + 0.05)^10
= $680(1.05)^10
≈ $13,299.25
Therefore, the amount that will have accumulated in 10 years after the last deposit is approximately $13,299.25.
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What are composite numbers?
Answer:
A composite number is a positive integer that can be formed by multiplying two smaller positive integers. Equivalently, it is a positive integer that has at least one divisor other than 1 and itself.
Step-by-step explanation:
brainlist?
PLEASE HELP I ONLY HAVE A COUPLE MINUTES!!!!! The system of equations y =1/4 x -1 and y = -1/2 x -1/4 is shown on the graph below.
On a coordinate plane, 2 lines intersect at (1, negative three-fourths).
What is a reasonable estimate for the solution?
(1, -3/4)
(-3/4, 1)
(- 1, 3/4)
(3/4, - 1)
the p-value associated with f statistic in the anova f test is 0.045. what conclusion should be drawn based on this p-value and a significance level of 0.05?
The required we can reject the null hypothesis and accept the alternative hypothesis.
Based on the given p-value of 0.045 and a significance level of 0.05 (or 5%), we can draw the following conclusion:
Since the p-value (0.045) is less than the significance level (0.05), we have evidence to reject the null hypothesis. In other words, there is sufficient statistical evidence to conclude that there are significant differences among the groups being compared in the ANOVA F test.
Therefore, we can reject the null hypothesis and accept the alternative hypothesis, indicating that there are statistically significant differences between at least two of the groups being compared.
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Find the amount to which $800 will grow under each of these conditions: a. 8% compounded annually for 9 years. Do not round intermediate calculations. Round your answer to the nearest cent. $ b. 8% compounded semiannually for 9 years. Do not round intermediate calculations. Round your answer to the nearest cent. $ C. 8% compounded quarterly for 9 years. Do not round intermediate calculations. Round your answer to the nearest cent. d. 8% compounded monthly for 9 years. Do not round intermediate calculations. Round your answer to the nearest cent. $ e. 8% compounded daily for 9 years. Assume 365-days in a year. Do not round intermediate calculations. Round your answer to the nearest cent. $ f. Why does the observed pattern of FVs occur?
The amount to which $800 will grow under each of the given conditions increases as the compounding period decreases.
The amount to which $800 will grow under each of these conditions is as follows:a) 8% compounded annually for 9 years
When compounded annually for 9 years at 8%, the formula is: Amount = Principal x [(1 + rate/n)^(n*t)]
Where: Principal = $800 Rate = 8% Time = 9 years
Compounded annually = n = 1 Amount = $1,447.91 (rounded to the nearest cent)
b) 8% compounded semiannually for 9 years Compounded semiannually for 9 years at 8%, the formula is:
Amount = Principal x [(1 + rate/n)^(n*t)]
Where: Principal = $800 Rate = 8% Time = 9 years Compounded semiannually = n = 2 Amount = $1,471.16 (rounded to the nearest cent)
c) 8% compounded quarterly for 9 years Compounded quarterly for 9 years at 8%, the formula is:
Amount = Principal x [(1 + rate/n)^(n*t)]
Where: Principal = $800 Rate = 8% Time = 9 years Compounded quarterly = n = 4 Amount = $1,491.03 (rounded to the nearest cent)
d) 8% compounded monthly for 9 years Compounded monthly for 9 years at 8%, the formula is: Amount = Principal x [(1 + rate/n)^(n*t)]
Where: Principal = $800 Rate = 8% Time = 9 years Compounded monthly = n = 12 Amount = $1,505.91 (rounded to the nearest cent)
e) 8% compounded daily for 9 years Compounded daily for 9 years at 8%, the formula is:
Amount = Principal x [(1 + rate/n)^(n*t)]
Where: Principal = $800 Rate = 8% Time = 9 years Compounded daily = n = 365Amount = $1,511.74 (rounded to the nearest cent)
The observed pattern of FVs (future values) occurs due to compounding. Compounding is the process of earning interest not only on the principal amount invested but also on the interest earned from the principal. This results in an increase in the interest earned and the future value of the investment. The more frequent the compounding, the higher the future value of the investment. Hence, the amount to which $800 will grow under each of the given conditions increases as the compounding period decreases.
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The ratio of males to females at a camp is 5 to 4. If there are 40 males at the camp, how many females are there? *
Answer:
36 females
Step-by-step explanation:
40 divided by 5 is 9
9 times 4 is 36
ONLY NEED PART B HELP
The ratio of the number of model cars that Jim owns to the number of model cars Terrence owns is 8:6. Terrence owns 36 model
cars.
Part A
How many model cars does Jim own?
Part B
Will the ratio change if Jim and Terrence each sell ten of their model cars? Explain.
Answer: 48 model cars
Step-by-step explanation: 1. You know that the ratio of the number of model cars that Jim owns to the number of model cars Terrence owns is 4:3.
2. Let's call the number of model cars that Jim owns is , therefore, you can solve the exercise as following:
3. Therefore, Jims owns 48 model cars.
The fence of a square car park is a barbwire fixed at wooden posts. Its side measure 120 feet. What is the area of the car park?
Answer:
14,400
Step-by-step explanation:
120 x 120 = 14,400
Suppose that the population, P of China (in biltions) can be approximated by the function P(t)=1.13(1.011)t where t is the number of years since the start of 1993 . a. According to the model, what was the total change in the population of China between January 1 , 1993 and Januarv 1. 2000? Round to the nearest thousandth. b. What will be the average rate of change of the population over this time period? Round to the nearest thousandth. c. Is this average rate of change greater or less than the instantaneous rate of change of the population on January 1, 2000. Round to the nearest thousandth. Greater than Less than Neither greater or less than d. Explain and justify, being sure to indicate appropriate units for the previous questions? t. According to the model, what is the average rate of change of the population of China in the tenyear period starting on January 1, 2012? Round to the nearest thousandth.g. Write an expression involving limits that, if evaluated, would give the exact instantaneous rate of change of the population on January 1, 2022. Note: Use 1.13(1.011) h. P′(29)=limh→0∣ i. Estimate the value of the limit you wrote in the previous part 8 (discuss how you chose to do so) and explain the meaning (including units) of the value vou have found. 1. Find an equation for the tangent line to the function y=P(t) at the point where the t-value is given by January 1,2022 . Round the slope and intercept to five decimal places. y=
Answer: a. To find the total change in population between January 1, 1993, and January 1, 2000, we need to find P(2000) - P(1993).
P(2000) = 1.13(1.011)^7 ≈ 1.321 billion
P(1993) = 1.13(1.011)^0 ≈ 1.13 billion
The total change in population is:
1.321 - 1.13 ≈ 0.191 billion
b. To find the average rate of change of the population over this time period, we need to find the slope of the secant line between the points (1993, P(1993)) and (2000, P(2000)):
(P(2000) - P(1993)) / (2000 - 1993) ≈ 0.027 billion per year
c. To determine whether this average rate of change is greater or less than the instantaneous rate of change of the population on January 1, 2000, we need to find P′(2000):
P′(t) = 1.13(1.011)^t ln(1.011)
P′(2000) = 1.13(1.011)^2000 ln(1.011) ≈ 0.038 billion per year
Since the instantaneous rate of change is greater than the average rate of change, the answer is less than.
d. The average rate of change of the population of China in the ten-year period starting on January 1, 2012, is:
(P(2022) - P(2012)) / (2022 - 2012) ≈ 0.026 billion per year
To find the exact instantaneous rate of change of the population on January 1, 2022, we need to evaluate the derivative of P(t) at t = 29:
P′(29) = lim h→0 [P(29 + h) - P(29)] / h
= lim h→0 [1.13(1.011)^(29+h) - 1.13(1.011)^29] / h
= 1.13(1.011)^29 ln(1.011) ≈ 0.024 billion per year
i. We already found the value of the limit in part
Step-by-step explanation:
The meaning of this value is that it represents the exact instantaneous rate of change of the population of China on January 1, 2022,
a. To find the total change in population between January 1, 1993 and January 1, 2000, we need to find P(2000) - P(1993), which gives:
P(2000) - P(1993) = 1.13(1.011)^7 - 1.13(1.011)^0
= 1.13(1.011)^7 - 1.13
≈ 0.413 billion (rounded to the nearest thousandth)
So the total change in population between January 1, 1993 and January 1, 2000 is approximately 0.413 billion.
b. The average rate of change of the population over this time period is given by the slope of the secant line passing through the points (1993, P(1993)) and (2000, P(2000)). Using the formula for the slope of a secant line:
average rate of change = (P(2000) - P(1993))/(2000-1993)
= (1.13(1.011)^7 - 1.13)/(7)
≈ 0.059 billion per year (rounded to the nearest thousandth)
So the average rate of change of the population over this time period is approximately 0.059 billion per year.
c. The instantaneous rate of change of the population on January 1, 2000 is given by the derivative of P(t) at t = 7 (since 2000 is 7 years after 1993). Using the formula for the derivative of an exponential function:
P'(t) = 1.13 ln(1.011)(1.011)^t
So the instantaneous rate of change of the population on January 1, 2000 is:
P'(7) = 1.13 ln(1.011)(1.011)^7
≈ 0.068 billion per year (rounded to the nearest thousandth)
Since the average rate of change over the entire time period is less than the instantaneous rate of change at the end of the time period, the answer is "less than".
d. The average rate of change of the population of China in the ten-year period starting on January 1, 2012 is given by:
(P(2022) - P(2012))/10
= (1.13(1.011)^29 - 1.13(1.011)^19)/10
≈ 0.093 billion per year (rounded to the nearest thousandth)
So the average rate of change of the population in the ten-year period starting on January 1, 2012 is approximately 0.093 billion per year.
e. The exact instantaneous rate of change of the population on January 1, 2022 is given by the derivative of P(t) at t = 29. Using the formula for the derivative of an exponential function:
P'(t) = 1.13 ln(1.011)(1.011)^t
So the exact instantaneous rate of change of the population on January 1, 2022 is:
P'(29) = 1.13 ln(1.011)(1.011)^29
f. To evaluate the limit in part e, we can use the formula for the derivative of an exponential function to get:
P'(29) = 1.13 ln(1.011)(1.011)^29
≈ 1.137 billion per year (rounded to the nearest thousandth)
The meaning of this value is that it represents the exact instantaneous rate of change of the population of China on January 1, 2022,
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Given the unit circle what is the value for y
see the attached figure below to better understand the problem
Remember that in a unit circle the radius r=1
so
Applying the Pythagorean Theorem in the right triangle
\(1^2=(\frac{1}{2})^2+y^2\)Solve for y
\(y^2=1-(\frac{1}{4})\)\(\begin{gathered} y^2=\frac{3}{4} \\ y=\frac{\sqrt[]{3}}{2} \\ \end{gathered}\)Solve the equation.
–3x + 1 + 10x = x + 4
Answer:
x= 0.5
Step-by-step explanation:
It makes sense
The value of x is 1/2.
What is Equation?Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given:
–3x + 1 + 10x = x + 4
Now, solving for x
-3x+ 10x - x = 4 - 1
7x - x = 3
6x = 3
x= 3/6
x= 1/2
Hence, the value of x is 1/2.
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Ok so i need help to connect these lines i will mark as branliest pls answer as fast as possible
Answer:
12
Step-by-step explanation:
Mark brainliest pls
One batch of cookies requires two eggs and two and a half cups of flour. How many cups of flour are needed to make three and a half batches of Cooke's?
Answer:
7 1/2
Step-by-step explanation:
In the figure, angle 4 is an exterior angle to angle AUL.
1. Explain why the measure of angle 4 is equal to the sum of the measures of the two nonadjacent interior angles.
2. What is the measure of angle 4?
The measure of angle 4 is equal to the sum of the measures of the two nonadjacent interior angles because the angle 4 is exterior to the given interior angles.
Exterior angles of a triangleThe sum of interior angles is equal to the exterior. From the given figure;
Interior angles are 25 degrees and 52 degrees.
The measure of angle 4 is equal to the sum of the measures of the two nonadjacent interior angles because the angle 4 is exterior to the given interior angles.
2) <4 = 25 + 52
<4 = 77 degrees
Hence the measure of angle 4 is 77 degrees
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Which point results when the point (−100, −100) is rotated 180° around the point (100, 100)? A) (200, 200) B) (300, 300) C) (−200, −200) D) (−300, −300) E) None of these.
Answer:
answer: A
Step-by-step explanation:
-100 -100, rotated by 180 would be the opposite, 100 100
Answer:
A
Step-by-step explanation:
Broccoli cost $3.14 a pound at the market.
If Mary bought 2.5 pounds, what was the cost?
A
$1.26
B
$5.64
$7.90
$7.85
7.85
explanation
you multiply the two numbers together
Answer:
$7.85
Step-by-step explanation:
To solve this problem, we can use the cancelling of units.
cost = $3.14/1 lb * 2.5 lb
The pounds cancel out leaving dollars so you get cost = $3.14 * 2.5
so cost = $7.85.
should the researcher use the rows or the columns of the field as blocks? justify your answer.
Yes, the researcher use the rows or the columns of the field as blocks.
When conducting research, it is important to think about which structure to use as the basis for your work.
In particular, when dealing with a matrix, the question arises of whether the researcher should use the rows or columns as blocks.
Both have their own advantages and drawbacks, which should be taken into consideration before making a decision.
However, it can be challenging to discover similarities between data points within the same row.
Additionally, the matrix structure can become distorted, as the data points no longer form a neat square or rectangle.
Ultimately, which approach the researcher should take depends on the type of research being conducted and the goals of the project.
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Keiquan is calculating his net worth. He has listed these items: $50 rare baseball card, $15 cash, $10 owed for lunch, $25 in savings
account.
Which is not an asset?
Answer:
$10 owed for lunch.
Step-by-step explanation:
"asset" means to benefit, so the question is asking which one of these is not benefiting his net worth. he has $15 and $25 in savings, these both benefit him. he also has a $50 rare baseball card this also benefits him. the only one that takes away money is the money he owes for lunch.