Answer: 115 ° east of south
Step-by-step explanation: 90+25=115 east of south important the way of using a compass
Answer:
335
Step-by-step explanation:
360-25=335
i also took this course. had to figure it out on my own.
Logistic curve is always ... nonlinear. increasing. decreasing. linear.
Logistic curve is always non-linear. The answer is option (1).
A logistic curve is a type of mathematical function which begins as an exponential growth curve and then levels out as the population approaches a carrying capacity limit. The function curve is always S-shaped, which indicates that the rate of growth changes at different stages and it is always non-linear. Its nonlinear shape allows for flexible modeling of complex relationships between the predictors and the outcome.
Hence, the logistic curve is always non-linear. The correct answer is option (1).
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Someone please help me
Answer: y=8x+6
Step-by-step explanation:
The equation for a line is y=mx+b, where m is your slope and b is the y intercept of the line. Hope this helps!
Analyze the diagram below and answer the question that follows.
P
20
10
gg
70
110
A. ZVOU and ZUOS
B. ZROS and ZTOS
C. ZNOP and ZROS
D. ZNOP and ZPOQ
R
80
IN
Image by Scientif38
Name two angles with identical measures.
S
10 110 120
130
ΤΑ
140 150 160 170
30
10
U
By observing the given protractor we know that option (C) is correct which says ∠NOP = ∠ROS.
What is a protractor?An instrument for measuring angles is a protractor, which is often made of transparent plastic or glass.
Protractors might be straightforward half-discs or complete circles. Protractors with more complex features, like the bevel protractor, include one or two swinging arms that can be used to measure angles.
To draw arcs or circles, use a compass.
To measure angles, one uses a protractor.
So, we need to observe the given image of the protractor:
We will easily find that ∠NOP = ∠ROS
Therefore, by observing the given protractor we know that option (C) is correct which says ∠NOP = ∠ROS.
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what does PEMDAS mean?? lol btw if you see this and you're really good at math.. pls go check out my questions!!
Answer:
Please
Excuse
My
Dear
Aunt
Sally
Step-by-step explanation:
It means to add parenthesis,exclamation points, multiplication, division, addition, & subtraction PEMDAS is a easier way to remember this
Answer:
Hello!
__________________________
PEMDAS: The order of operations
Parentheses
Exponents
Multiplication
Division
Addition
Subtraction
Hope this helped you!
Step-by-step explanation: We can remember the order using PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).
f(x) → 4x - 7. Find f(9)
Answer:
29
Step-by-step explanation:
f(x) = 4x -7
f(9) = 4(9)-7
=36-7
=29
3a-28-7a+10a
Someone PLEASE HELP
Answer:
6a - 28
Step-by-step explanation:
combine like terms
3a - 28 - 7a + 10a
3a - 7a + 10a = 6a
have a lovely day :)
Answer:
Step-by-step explanation:
the steps are on the pic
symbolab
tiger-algebra
and
geteasysolution
aregoof for math
If we run an ANOVA model and our overall F-test is significant, we should not run follow-up comparisons to test for differences between pairs of means. True or False
False, if an overall F-test in an ANOVA model is significant, it is important to conduct follow-up comparisons to test for differences between pairs of means.
When the overall F-test in an ANOVA model is found to be significant, it indicates that there is evidence of at least one significant difference among the group means. However, it does not provide specific information about which particular group means are different from each other. Therefore, follow-up comparisons, such as post hoc tests or pairwise comparisons, are necessary to determine the specific pairs of means that are significantly different.
These follow-up comparisons allow for a more detailed understanding of the group differences and help identify which specific groups are driving the significant overall F-test result. By conducting these additional tests, researchers can gain insights into the specific pairwise differences and make more accurate and informed interpretations of their data.
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A company sells sports drinks for $2.00 each. The company pays $0.75 for each drink and $10 per week
for a permit to sell the drinks. What is the least number of drinks the company must sell each week to make
a profit?
Clint earns $25.50 per hour as a mechanic. He is paid time-and-a-half for working more than 8 hours per day. Yesterday, he worked 11.5 hours. What is his gross pay for the day?
Answer:
439.87
Step-by-step explanation:
Time and a half is the original hourly rate plus half of that. Being that Clint's hourly rate is $25.50, you will add $12.75 to that because that is half of 25.50. So for the 11.5 hours worked, Clint's gross pay comes out to be $439.87. First figure out time and a half as shown above. Next, multiply time and a half by the number of hours worked on said day. You then have the answer for what is Clint's gross pay.
if your reading this please help meeee
Answer:
both angles are 92 degrees
Step-by-step explanation:
88+c=180
c=92
c and b are vertical angles and all vertical angles are equal
PLEASE HELP ME ASAP I WILL GIVE 100 points and name you know
PLEASSSSSSSSSSSSSSSSSSEEEEEEEEEEEEEEEEEEEE
How are human activities affecting global warming?
Answer:
Human activities such as driving cars, and working at factories contribute to global warming significantly because burning fossil fuels in cars releases carbon dioxide, which is the largest source of greenhouse gas emissions in the U.S. and as these gases build up, they trap heat in the atmosphere, causing climate change.
(x^2+ 7x + 12) / (x + 4)
Answer:
x+3
I hope this helps you
The CDF of a random variable X is given the function F(x)=cx^2/(3x^2+x) on the support of X, where the support of X is x = 1,2,3,... Determine P(x = 1) and P(X = 2).
Therefore, the probabilities P(X = 1) and P(X = 2) are given by: P(X = 1) = c/4 P(X = 2) \(= (2 - 16c^2)/(64c + 8)\).
To determine the probabilities P(X = 1) and P(X = 2) based on the given cumulative distribution function (CDF) F(x), we need to calculate the difference in probabilities at those specific points.
P(X = 1):
P(X = 1) is the probability that the random variable X takes the value 1. We can calculate this probability by subtracting the CDF values at x = 0 and x = 1:
P(X = 1) = F(1) - F(0)
Substituting the given CDF function:
\(P(X = 1) = (c(1)^2)/(3(1)^2 + 1) - (c(0)^2)/(3(0)^2 + 0)\)
= c/4
P(X = 2):
P(X = 2) is the probability that the random variable X takes the value 2. We can calculate this probability by subtracting the CDF values at x = 1 and x = 2:
P(X = 2) = F(2) - F(1)
Substituting the given CDF function:
\(P(X = 2) = (c(2)^2)/(3(2)^2 + 2) - (c(1)^2)/(3(1)^2 + 1)\)
= (4c)/(16c + 2) - c/4
= (4c - c(16c + 2))/(16c + 2)(4)
\(= (4c - 16c^2 - 2c)/(64c + 8)\)
\(= (2 - 16c^2)/(64c + 8)\)
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Of the marbles in a bag, 3 are yellow, 2 are red, and 2 are blue. Sandra will randomly choose one marble from the bag.The probability that Sandra will choose a blue marble at random is . It is that Sandra will randomly choose a blue marble.
Answer:
2/7 or 29%
Step-by-step explanation:
you add all the numbers than you put the blue marble on top and there it is.
Answer:
2/7
Step-by-step explanation:
Hello there.
1. First, you would add all the numbers up to get the total.
3 + 2 + 2 = 7 total marbles
2. Of those 7 marbles, 2 are blue. This would be 2/7 in fraction form.
Hence, there is a 2 in 7 chance that Sandra will choose a blue marble from the bag.
Hope this helps.
- Angelo
an automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars over domestic. in an earlier study, the population proportion was estimated to be 0.31 . how large a sample would be required in order to estimate the fraction of new car buyers who prefer foreign cars at the 95% confidence level with an error of at most 0.03 ? round your answer up to the next integer.
The required sample size is 907.
We have,
To determine the required sample size for estimating the fraction of new car buyers who prefer foreign cars over domestic with a 95% confidence level and an error of at most 0.03, we'll use the following formula:
n = (Z² x p (1 - p)) / E²
Where:
- n is the required sample size
- Z is the Z-score for the desired confidence level (1.96 for a 95% confidence level)
- p is the estimated population proportion (0.31)
- E is the margin of error (0.03)
Step-by-step calculation:
1. Calculate Z²: 1.96² = 3.8416
2. Calculate p (1 - p): 0.31 x (1 - 0.31) = 0.2139
3. Calculate E²: 0.03² = 0.0009
4. Substitute these values into the formula: n = (3.8416 x 0.2139) / 0.0009 = 906.92
Since we need to round up to the next integer, the required sample size is 907.
Thus,
The required sample size is 907.
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1.Jose’s car covers 200 kilometers in 4 hours. What is the average speed?
Answer:
50 km per hour
Step-by-step explanation:
Average speed = Distance travelled / Time taken
= 200 / 4
= 50
Therefore, average speed is 50 km per hour.
\( \huge \bold \green{question}\)
Jose’s car covers 200 kilometers in 4 hours. What is the average speed?
\( \huge \bold \red{solution}\)
Average speed = Distance travelled / Time taken
= 200km / 4 hours
= 50 km/h
\( \huge \bold \blue{answer}\)
50 km/h is the average speed of Jose's car.
The z-score for a particular observation is z = -1.2. This means the observation is
The observation is located to the left of the mean by a distance of 1.2 standard deviations.
How to observe the mean of situation?The z-score of an observation represents the number of standard deviations the observation is away from the mean.
If the z-score for a particular observation is z = -1.2, this means that the observation is 1.2 standard deviations below the mean.
If the mean is represented by μ and the standard deviation by σ, then we can express this observation as:
observation = μ + (z * σ)
observation = μ + (-1.2 * σ)
This means that the observation is located to the left of the mean by a distance of 1.2 standard deviations.
For example, The z-score represents the number of standard deviations an observation is above or below the mean of the distribution.
In this case, a z-score of -1.2 indicates that the observation is 1.2 standard deviations below the mean height of the group.
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Which expression represents the product of x^3 +2x - 1 and x^4 -x^3 +3?
Answer:
Option C
The answer is
x⁷ - x⁶ + 2x⁵ - 3x⁴ + 4x³ + 6x - 3
Step-by-step explanation:
(x³ + 2x - 1) × (x⁴ - x³ + 3)
x⁷ - x⁶ + 3x³ + 2x⁵ - 2x⁴ + 6x - x⁴ + x³ - 3
x⁷ - x⁶ + 3x³ + x³ + 2x⁵ - 2x⁴ - x⁴ + 6x - 3
x⁷ - x⁶ + 4x³ + 2x⁵ - 3x⁴ + 6x - 3
x⁷ - x⁶ + 2x⁵ - 3x⁴ + 4x³ + 6x - 3
Thus, The answer is
x⁷ - x⁶ + 2x⁵ - 3x⁴ + 4x³ + 6x - 3
-TheUnknownScientist
10. Find the slope of the line.
Answer: y = 1.75x - 1
Step-by-step explanation: The slope of the line is 1.75
figure out what’s wrong with it
12 men can dig a pond in 8 days. How many men can dig it in 6 days?
Answer:
It would be 16 men.
Step-by-step explanation:
Let the number of men dig a pond in 6 day be x. Then,
It is a case of inverse variation.
12 × 8 = 6x
=> 96 = 6x
=> x = 96/6
=> x = 16
Hence, 16 men can dig a pond in 6 days.
Answer:
Answer is 16…..
12 men take 8 days for digging a pond, so we use simple method to solve this problem.
We multiple the both things that is 12 and 8 then get 96 is the result which is equal to multiple of 6 days and ?Men then get 16 men
Step-by-step explanation:
I literally put it on the comments lol
Sofia is a tutor who charges 25 dollars per hour. she would like to earn 440dollars to buy a new gaming console .write am equation to show how much money m sofia makes after working h hours
Answer: 440-25h = m
Step-by-step explanation:
She makes 25 dollars per hour (25h=m)
If u subtract the amount that the console costs the equation becomes
440-25=m
Im assuming u are in 7th grade math which is what i was in last year so i hope this helps! :)
Someone please help meeeeeee
Answer:
a ≈ 16.5 cm , b ≈ 23.8 cm
Step-by-step explanation:
using the Law of Sines in Δ ABC
\(\frac{a}{sinA}\) = \(\frac{b}{sinB}\) = \(\frac{c}{sinC}\)
we require to calculate ∠ C
∠ C = 180° - (42 + 75)° = 180° - 117° = 63°
Then to find a
\(\frac{a}{sinA}\) = \(\frac{c}{sinC}\) ( substitute values )
\(\frac{a}{sin42}\) = \(\frac{22}{sin63}\) ( cross- multiply )
a × sin63° = 22 × sin42° ( divide both sides by sin63° )
a = \(\frac{22sin42}{sin63}\) ≈ 16.5 cm ( to the nearest tenth )
similarly to find b
\(\frac{b}{sinB}\) = \(\frac{c}{sinC}\) ( substitute values )
\(\frac{b}{sin75}\) = \(\frac{22}{sin63}\) ( cross- multiply )
b × sin63° = 22 × sin75° ( divide both sides by sin63° )
b = \(\frac{22sin75}{sin63}\) ≈ 23.8 cm ( to the nearest tenth )
Answer:
Step-by-step explanation:
Sine rule of Law of sine:\(\sf \boxed{\bf\dfrac{a}{Sin \ A}=\dfrac{b}{Sin \ B}=\dfrac{c}{Sin \ C}}\)
Side 'a' faces ∠A.
Side 'b' faces ∠B.
Side 'c' faces ∠C.
We have to find ∠C using angle sum property of triangle.
∠C + 75 + 42 = 180
∠C +117 = 180
∠C = 180 - 117
∠C = 63°
\(\sf \dfrac{a}{Sin \ 42}= \dfrac{22}{Sin \ 63}\\\\ \dfrac{a}{0.67}=\dfrac{22}{0.89}\\\\\)
\(\sf a = \dfrac{22}{0.89}*0.67\\\\ \boxed{a = 16.56 \ cm }\)
\(\sf \dfrac{b}{Sin \ B} = \dfrac{c}{Sin \ C}\\\\ \dfrac{b}{Sin \ 75}=\dfrac{22}{Sin 63}\\\\ \dfrac{b}{0.97} =\dfrac{22}{0.89}\\\\\)
\(\sf b = \dfrac{22}{0.89}*0.97\\\\ \boxed{b =23.98 \ cm }\)
Stephine puts 30 cubs in a box. The cubes are 1/2 inch on each side. The box holds 2 layers with 15 cubes in each layer.
Answer:
3 3/4 cubic inches,
Step-by-step explanation:
Stephanie puts 30 cubes in a box. The cubes are 1/2 inch on each side. The box holds two layers with 15 cubes in each layer. What is the volume of the box awnsers 5cubic inches, 7 1/2 cubic inches,3 3/4 cubic inches, 15 cubic inches.
✓From the question we are informed that Stephanie puts 30 cubes in a box. The cubes dimension are 0.5 inch on each of the sides.
✓ Since the sides is 0.5inch each, the volume is (0.5×0.5×0.5) The volume of one cube = (0.5 inch)³ = 0.125 inch³
✓ we can calculate the Volume of 30 cubes as
[ 30 cubes in a box × 0.125 inch³]
= 3.75 inch³
✓ 3.75 inch³ can be converted into fraction as (3 3/4) inch³ which is the third Option.
Plssss help I will mark brainlist plsss
Answer:
D
Step-by-step explanation:
What you need to apply there is basically 3D Pythagoras which goes like r=
\( \sqrt{23 { }^{2} + 10 { }^{2} + 15 {}^{2} } \)
then punching on the calculator, the answer will be 29. 22 in
Answer:
D 29.2 I am pretty sure that is the right one so if it not sorry
I WILL MARK BRAINIEST
please answer ASAP
Answer:
It looks like 45 degree for the one on the left and maybe 180 degrees on the right (i'm not sure tbh) but those are my guesses
Which of following is an example of a quadratic inequality?
Answer:
B
Step-by-step explanation:
Quadratic inequalities are inequalities involving quadratics.
A is not an inequality.
B is an inequality and we can rewrite B as:
\(x^2+x<0\)
So, B is a quadratic inequality, and is the answer.
C is not a quadratic. The x terms are not squared.
Likewise, D is not a quadratic either since no x terms are being squared.
Shauna needs a new backpack. Tee one she wants cost $28 The store is having a 15% sale off backpacks this Friday What will the price of the backpack be?
Answer:it should be $23.80
Step-by-step explanation:28/100x85=23.80
⚠️Please reply ASAP, I would like to check my answer with someone, thank you
Answering just for points will be reported
Answer:
(2, 3 ) and (- 2, 11 )
Step-by-step explanation:
f(x) = x² - 2x + 3 → (1)
f(x) = - 2x + 7 → (2)
Substitute f(x) = x² - 2x + 3 into (2)
x² - 2x + 3 = - 2x + 7 ( add 2x to both sides )
x² + 3 = 7 ( subtract 3 from both sides )
x² = 4 ( take the square root of both sides )
x = ± \(\sqrt{4}\) = ± 2
Substitute these values into (2) for corresponding values of y
x = 2 : y = - 2(2) + 7 = - 4 + 7 = 3 ⇒ (2, 3 )
x = - 2 : y = - 2(- 2) + 7 = 4 + 7 = 11 ⇒ (- 2, 11 )
A system of linear equations with more equations than unknowns is sometimes called an overdetermined system. Can such a system be consistent? Illustrate your answer with a specific system of three equations in two unknowns. Choose the correct answer below. A. No, overdetermined systems cannot be consistent. because there are no free variables. For example, the system of equations below has no solution. x_1 = 2, x_2 = 4, x_1 + x_2 = 24 B. No, overdetermined systems cannot be consistent. because there are fewer free variables. For example, the system of equations below has no solution. x_1 = 2, x_2 = 4, x_1 + x_2 = 12 C. Yes, overdetermined systems can be consistent. For example, the system of equations below is consistent because it has the solution variables than equations. For example, the system of equations below has no solution. (Type an ordered pair.) x_2 = 4, x_1 + x_2 = 6 D. Yes, overdetermined systems can be consistent. For example, the system of equations below is consistent because it has the solution (Type an ordered pair.) x_1 = 2, x_2 = 4, x_1 + x_2 = 8
The correct answer is C. Yes, overdetermined systems can be consistent. For example, the system of equations below is consistent because it has fewer solution variables than equations:
x_2 = 4
x_1 + x_2 = 6
To illustrate this, let's solve the system of equations:
From the first equation, we have x_2 = 4.
Substituting this value into the second equation, we get:
x_1 + 4 = 6
Simplifying, we find:
x_1 = 2
Therefore, the solution to the system of equations is x_1 = 2 and x_2 = 4. This ordered pair satisfies both equations, making the system consistent.
In this case, even though we have more equations (2 equations) than unknowns (2 unknowns), the equations are not contradictory or incompatible. The system has a unique solution, and it is consistent.
It is important to note that not all overdetermined systems are consistent. If the equations are contradictory or incompatible, the system will be inconsistent. Inconsistent overdetermined systems typically have more equations than unknowns and lead to contradictions.
In summary, an overdetermined system can be consistent if the equations allow for a solution that satisfies all the equations. The consistency of the system depends on the specific equations involved and their relationship to one another.
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