Step-by-step explanation:
please mark me as brainlest and follow me
Julius has three times as many stamps in his collection as his freinds liam and mario combined. Liam has 10 stamps in his collection . Julius has 87 stamps in his collection. How many stamps dose mario have in his collection?
Answer:
Mario has 19 stickers.
Mario have 19 stamps in his collection.
What is the unitary method?The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.
Liam has 10 stamps in his collection . Julius has 87 stamps in his collection.
We have given that Julius has three times as many stamps in his collection as his freinds liam and mario combined.
Julius = 3(Liam + mario )
Liam = 10 stamps
Julius = 87 stamps
Substitute;
Julius = 3(Liam + mario )
87 = 3(10 + m)
29 = 10 + m
m = 19
Thus, mario have 19 stamps in his collection.
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HELP PLEASE ASAP
Given the discriminant of –2 for a quadratic equation, determine the number of real solutions.
Answer:
0 or simply no real solutions
Step-by-step explanation:
Given the discriminant which is negative, then the equation has no solutions in the set of real numbers. The roots or solutions belong to the set of complex solutions or imagenary roots.
what is the slope of the line on this graph??
Answer: 4
Step-by-step explanation:
Ok, I know this is confusing but just bear with me,
You do not pick the 2 points on the line, you pick a number that is intersecting on the x axis. I chose 4. The 2 intercepts I got were -2,4. From -2, I went up 4 and right 1 which gives you a result of 4/1which equals 4
Hope you got the right answer :)
Ryan has 8 kittens. Two are white. what fraction of the kittens are not white? Write in simplest form. I will brainliest
P.S. (This is for my little sister)
Answer:
3/4
Because 6 are not white so 6/8 and divide each by 2
6 divided by 2 = 3
8 divided by 2 = 4
= 3/4
Step-by-step explanation:
Hope this helps her!!!
Find the length of side x in simplest radical form with a rational denominator.
Answer:
x = \(\sqrt{3}\)/6
Step-by-step explanation:
30-60-90 triangles have legs in the ratio of 1 : \(\sqrt{3}\) : 2
create a proportion: (6 ÷\(\sqrt{3}\)) = (1÷x)
cross-multiply: 6x = \(\sqrt{3}\)
divide by 6
What is the slope intercept form of 13x-11y=-12
Answer: y=13/11x+12/11
Step-by-step explanation:
13x-11y=12
-13x -13x
-11y=-13x-12
divide by -11 on each side
y=13/11x+12/11
new unit i’m confused
Answer:
part a is infinite Part b is number 3
Step-by-step explanation:
91 is 82% of what number?
Answer:
110.97561
Step-by-step explanation:
82% of n = 91
82/100 × n = 91
41/50 × n = 91
n = 4550/41
4550/41 = 110.97561
Answer:
110.98
Step-by-step explanation:
82% of n = 91
82/100 × n = 91
41/50 × n = 91
n = 4550/41
4550/41 = 110.97561
round your answer and you will get 110.98.
Which statement correctly describes the number -2/11 = -0.18?
The number is rational because it can be written as a terminating decimal.
The number is irrational because it can be written as a repeating decimal.
The number is irrational because it can be written as a non-repeating, non-terminating decimal.
The number is rational because it can be written as a repeating, non-terminating decimal.
The statement that correctly describes the number -2/11 = -0.18 is (a) the number is rational because it can be written as a terminating decimal.
How to describe the number?The number equation is given as:
-2/11 = -0.18
The number 0.18 is a terminating decimal.
Terminating decimals are rational numbers.
This means that -2/11 is a rational number
Hence, the statement that correctly describes the number -2/11 = -0.18 is (a) the number is rational because it can be written as a terminating decimal.
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For this question, please leave your answer in "choose" notation - please do not write any factorials or simplify in any way. The pet store has 6 puppies, 9 kittens, 4 lizards, and 5 snakes. c. If you select five pets from the store randomly, what is the probability that at least one of the pets is a puppy?
The probability equation will be : (at least one puppy) = 1 - P(no puppies selected)
To find the probability that at least one of the pets selected is a puppy, we can subtract the probability of selecting no puppies from 1.
The total number of pets in the store is 6 + 9 + 4 + 5 = 24. The number of ways to select 5 pets out of 24 is C(24, 5).
The number of ways to select no puppies is C(18, 5) because we need to choose all 5 pets from the remaining 18 non-puppy pets.
Therefore, P(no puppies selected) = C(18, 5) / C(24, 5).
Finally, we can calculate P(at least one puppy) = 1 - P(no puppies selected).
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Hen interpreting f (7, 31) = 4.78, p > 0.05, how many subjects were tested in this simple one-way anova?
39 subjects were tested in this simple one-way ANOVA.
The df for F distribution is (treatment df, error df)
Using given information
Treatment df = 7
Error df = 31
Total df= 7+31 = 38
Again, total df = N-1, N= number of subjects tested
Then, N-1 = 38
=> N= 39
One-way ANOVA is typically used when there is a single independent variable or factor and the goal is to see whether variation or different levels of that factor have a measurable effect on the dependent variable.
The t-test is a method of determining whether two populations are statistically different from each other, and ANOVA determines whether three or more populations are statistically different from each other.
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I need help please and urgent!
Answer:
the answer is blurry for me take a picture again
Step-by-step explanation:
in the context of rm and range safety mitigation of risk is the ability
In the context of Range Safety and Risk Mitigation, the ability to detect, assess, and respond to potential hazards is essential.
Range safety and risk mitigation involve identifying and minimizing potential hazards associated with range operations, such as the launch or test of rockets, missiles, or unmanned aerial vehicles. To ensure safety, it is critical to have the ability to detect and assess potential hazards, such as debris, vehicle or equipment malfunctions, and human error. Once hazards have been identified and assessed, the next step is to develop and implement appropriate safety measures to mitigate the risk associated with those hazards. These measures may include the use of safety protocols, engineering controls, or administrative procedures to ensure that all personnel and equipment are protected. In summary, the ability to detect, assess, and respond to potential hazards is critical for effective range safety and risk mitigation. By implementing appropriate safety measures and protocols, the risks associated with range operations can be minimized, ensuring the safety of personnel and equipment.
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A solution containing 30% juice is mixed with a solution containing 10% juice to make 100 gallons of solution that makes 12% juice.How much of the 30% solution was used
Let the amount of the 30% solution be x gallons.
Then the amount of the 10% solution is (100 - x) gallons.
The amount of juice in the 30% solution is 0.3x gallons.
The amount of juice in the 10% solution is 0.1(100 - x) gallons.
When the two solutions are mixed, we get 100 gallons of a 12% juice solution, which means:
0.3x + 0.1(100 - x) = 0.12(100)
Simplifying this equation, we get:
0.3x + 10 - 0.1x = 12
0.2x = 2
x = 10
Therefore, 10 gallons of the 30% solution was used.
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Help,It's due in like 25 minutes! I know that these might be a lot of questions, but I really need help but I'll give you five points for each picture question. So that means I'll give you 25 points.
Using the table of measurement, 0.4970969 is equivalent to 800 meters
What is unit of measurement?A unit of measurement is a definite magnitude of a quantity, defined and adopted by convention or by law, that is used as a standard for measurement of the same kind of quantity. To convert a mile measurement to a centimeter measurement, multiply the length by the conversion ratio.
1 inch = 2.54 centimeters
1 foot = 0.3048 meters
1 mile = 1.60 kilometers
Recall that 1 mile is 1609.344 meters
Therefore, the equivalence is 800/1609.344
Therefore 800 meters is equivalent to 0.4970969 miles
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Identify the z* critical value for constructing a confidence interval for one proportion using these confidence levels. You can reference the t distribution table to answer this question.
Enter each answer to 3 decimal places.
90% confidence:
95% confidence:
99% confidence:
The 90% confidence, 95% confidence and 99% confidence have a z critical value of 1.65, 1.96 and 2.58 respectively.
What is z score?The z score is used to determine by how many standard deviations the raw score is above or below the mean. It is given by:
z = (raw score - mean) / standard deviation
From the normal distribution table:
The z critical value for 90% confidence, 95% confidence and 99% confidence is 1.65, 1.96 and 2.58 respectively.
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Answer:
90% confidence:
1.645
95% confidence:
1.960
99% confidence:
2.576
Step-by-step explanation:
EDGE2022
Please help
Write an equation of the line in point-slope form that passes through the given points in the table. Then write the equation in slope-intercept form.
An equation of the line in point-slope form is
(Simplify your answer. Type an equation. Type your answer in point-slope form. Use integers or fractions for any numbers in the equation)
The equation of the line in slope-intercept form is y = 6x + 55.
Describe Equation?Equations can involve variables, which are placeholders for unknown values that we wish to find. For example, the equation x + 3 = 7 asserts that the value of x plus 3 is equal to 7. We can solve for x by subtracting 3 from both sides of the equation, obtaining x = 4.
Equations can be linear or nonlinear, and they can involve one or more variables. They can be represented in various forms, such as standard form, slope-intercept form, or quadratic form.
To find the equation of the line in point-slope form, we need to first find the slope of the line. We can use any two points from the table to find the slope using the formula:
slope = (change in y)/(change in x)
Let's use the first and last points in the table:
slope = (295 - 175)/(40 - 20) = 120/20 = 6
Now we can use the point-slope form of the equation of a line:
y - y1 = m(x - x1)
where m is the slope and (x1, y1) is any point on the line. Let's use the first point (20, 175):
y - 175 = 6(x - 20)
To write this equation in slope-intercept form, we need to isolate y:
y - 175 = 6x - 120
y = 6x + 55
So the equation of the line in slope-intercept form is y = 6x + 55.
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Order of Operations: Write an equation that means "Multiply 6 by the sum of 3 and 2."
\(-2x(x+3)-(x+1)(x-2)\)
Answer:-3x2-5x+2
Step-by-step explanation:
Distribute -2x to x+3, and then x+1 to x-2
\(-2x^{2}\) \(-6x\) \(-x(x-2)+1(x-2)\)
\(-2x^{2} -6x-x^{2} +2x+1x-2\)
\(-3x^{2} -3x-2\)
Sorry it’ll be -3x2 -5x +2
1. Which of the following is INCORRECT:
Independent random samples arise when ...
a. one random sample is split into groups differing by an observed feature
b. the individuals in a sample are randomly assigned to experimental groups
c. data is recorded repeatedly on a random sample of individuals
d. random samples are selected separately
2. The margin of error of a confidence interval about the difference between the means of two populations is equal to
a. half the width of the confidence interval
b. twice the width of the confidence interval
c. the width of the confidence interval
d. 1.5 times the width of the confidence interval
1. Independent random samples arise when one random sample is split into groups differing by an observed feature is incorrect.
2. The margin of error of a confidence interval about the difference between the means of two populations is equal to half the width of the confidence interval.
1. Independent random samples arise when individuals in a sample are randomly assigned to experimental groups, data is recorded repeatedly on a random sample of individuals, or random samples are selected separately. The statement that one random sample is split into groups differing by an observed feature does not accurately describe independent random samples.
2. The margin of error in a confidence interval represents the range of values within which the true population parameter is likely to fall. It is calculated by taking half of the width of the confidence interval. Therefore, the correct answer is that the margin of error is equal to half the width of the confidence interval.
In summary, the incorrect statement is that independent random samples arise when one random sample is split into groups differing by an observed feature. The margin of error of a confidence interval about the difference between the means of two populations is equal to half the width of the confidence interval.
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Simplify: sin2θ/2cosθ
Select one:
a. secθ
b. cotθ
c. sinθ
d. cscθ
the simplified expression of the given trigonometric equation sin(2\(\theta\))/(2cos(\(\theta\))) is option (c) sin(\(\theta\)).
We have sin(2\(\theta\)) in the numerator and 2cos(\(\theta\)) in the denominator. By using the trigonometric identity sin(2\(\theta\)) = 2sin(\(\theta\))cos(\(\theta\)), we can simplify the expression. This identity allows us to rewrite sin(2\(\theta\)) as 2sin(\(\theta\))cos(\(\theta\)). Canceling out the common factor of 2cos(\(\theta\)) in the numerator and denominator, we are left with sin(\(\theta\)) as the simplified expression. This means that the original expression sin(2\(\theta\))/(2cos(\(\theta\))) is equivalent to sin(\(\theta\)).
To simplify the expression sin(2\(\theta\))/(2cos(\(\theta\))), we can use the trigonometric identity:
sin(2\(\theta\)) = 2sin(\(\theta\))cos(\(\theta\))
Replacing sin(2\(\theta\)) in the expression, we get:
(2sin(\(\theta\))cos(\(\theta\)))/((2cos(\(\theta\)))
The common factor of (2cos(\(\theta\)) in the numerator and denominator cancel out, resulting in:
sin(\(\theta\)).
Therefore, the simplified expression is sin(\(\theta\)).
The correct answer is c. sin(\(\theta\)).
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Which expression below is equivalent to this expression?
3−a⋅(3b)c
options:
3bc3a
3b+c3a
3abc
3a+b+c
Answer:
3b+c3a
Step-by-step explanation:
Answer:
3b+c3a
Step-by-step explanation:
1. Two crucial tasks inherent in the initial stage of group therapy are orientation and ______________.
2. Ambiguity and lack of a structured approach in groups often lead to:
Two crucial tasks inherent in the initial stage of group therapy are orientation and establishing group norms.Ambiguity and lack of a structured approach in groups often lead to confusion, inefficiency, and potential challenges.
Orientation involves providing essential information to group members about the purpose, goals, and guidelines of the therapy group.
It helps individuals understand what to expect, builds trust, and creates a sense of safety and predictability within the group. Orientation may include discussing confidentiality, group rules, expectations, and addressing any questions or concerns.
Establishing group norms involves collaboratively developing shared guidelines and expectations that govern the behavior and interactions within the group. This process allows group members to contribute to the creation of a supportive and respectful group climate. Group norms help set boundaries, encourage open communication, and foster a sense of cohesion among members.
Without clear structure and guidance, group members may struggle to understand their roles, goals, or the process of the group therapy. Ambiguity can hinder progress, create frustration, and impede meaningful communication.
Lack of structure may also result in difficulty managing conflicts, decision-making, or time management within the group. It can lead to unequal participation, power struggles, and a lack of accountability.
To address these issues, it is important for group therapy to provide a clear framework, establish ground rules, and facilitate structured activities or interventions that promote clarity, engagement, and progress. A structured approach helps create a supportive environment, enhances group dynamics, and maximizes the therapeutic benefits of the group process.
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A ball is thrown at an angle of 45° to the ground. If the ball lands 74 m away, what was the initial speed of the ball? Step 1 From the equations, for a projectile fired at angle of elevation a with initial speed Vo, the position vector is given by r(t) = (vo cos(Q))ti + [(vo sin(a))- 2.902]j. Since our ball is thrown at angle of elevation a = 45°, its position vector is r(t) = (vo cos(45°))ti + [(vo sin(450))- 294]}, which evaluates to r(t) 1 V 2. ( V2 2 V2 voti + 2 √2 vot j. -292) Step 2 y component of We now find the value of t at which the ball hits the ground. At that moment, the y r(t) is 0. Therefore, vot gt) = 0. 2 Solving this for t gives us t = 0 (which corresponds with the time the ball is thrown, and is therefore vova irrelevant) and t = 9.8 g g Step 3 Now that we know the ball hits the ground at t= vOVE, we substitute this value into the x component to find the value of x at landing. vo? v2 vot = VZ vo(vov?) x - gv2 2 2 g 2
The initial speed of the ball was approximately 26.73 m/s.
The position vector of the ball at time t is given by r(t) = (vo cos(a))ti + [(vo sin(a))t - (1/2)gt²]j, where vo is the initial speed, a is the angle of elevation (45° in this case), and g is the acceleration due to gravity (9.8 m/s²).
So, for the given problem, r(t) = (vo cos(45°))ti + [(vo sin(45°))t - (1/2)gt²]j.
Simplifying this, we get r(t) = (vo/√2)ti + [(vo/√2)t - 4.9t²]j.
The ball hits the ground when its y-component is zero, i.e., (vo/√2)t - 4.9t² = 0.
Solving this quadratic equation, we get t = 0 (which is the time the ball is thrown) or t = (vo/√2)/4.9.
We know that the ball lands 74 m away, which is the x-component of the position vector at time t = (vo/√2)/4.9.
So, substituting t = (vo/√2)/4.9 in the x-component of the position vector, we get 74 = (vo/√2)((vo/√2)/4.9).
Simplifying this, we get vo² = (744.9√2)/cos(45°) = 715.08.
Taking the square root of both sides, we get vo ≈ 26.73 m/s.
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Evaluate the function (f-g)(x) for x=6
Answer: I think its 8
Step-by-step explanation:
Three students were given the expression shown and were asked to take a common
factor out of two of the terms.
Use the drop-down menus to complete the statements about whether each student's
answer is an equivalent expression. Then choose an expression that is equivalent.
Chang is incorrect because his factoring results in -21 instead of positive 21.
Benjamin is incorrect because his factoring results in positive 9x instead of -9x.
Habib's answer is incorrect because 4 + 12x is not equivalent to the expression above.
A correct factor would be: 4-3(3x-7)
Answer:
Chang-incorrect he did not divide 21 by -3 correctly
bejiman-i got wrong
habib-incorrect he cannot add -9 and 21
4-3(3x-7)
Step-by-step explanation:
how does weather existe? I need help
Answer: How Weather Exists
Step-by-step explanation:
~I think you mean, how weather exists.
You see, "Weather" exists because of the atmosphere. Evidently, weather is the movement of the atmospheric gases around the planet that creates weather. Places like the Moon or Mercury do not have weather - only temperature changes.
~Hope this helped :)
How do you write 0.61 as a percentage? (Just a random question.......) XD
~Eri
Answer:
61%
Step-by-step explanation:
in order to convert decimals to percentages, you just multiply by 100.
.61 * 100 = 61%
Answer: 61%
Step-by-step explanation:
To write a number as a percetage, just multiply the decimal value by 100. In this case we have: 0.61 × 100 = 61% (answer).
➥ The ease way:
1) Shift the decimal point two places to the right:
0.61 → 6.1 → 61.
2) Add a percent sign: 61%
Answer: 61%
What is the value of the 2 in 304.72 in fraction form?
Answer:
the 2 is in the ones place. if you got that wrong then its in the tenths. but im 99 percent sure im correct with the first one.
Step-by-step explanation:
The value of 2 in the decimal 304.72 is 2/100.
What are decimals?A decimal is a number that is made up of integers and non-integers. The whole numbers are separated from numbers that are not whole number by a decimal point.
3 is the hundreds value. It the first number to the left of the decimal point0 is the tens value. It the second number to the left of the decimal point 4 is the unit value. It the third number to the left of the decimal point 7 is the tenth value. It is the first number after the decimal point.2 is the hundredth value. It is the second number after the decimal point.
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In plain English, select the appropriate null hypothesis for the ANOVA procedure. a. That the population means of all the different categories are equal b. The the population proportion is not equal to some given value c. That the population mean is equal to a specific value d. That at least one of the means of the different categories differs from the others
The appropriate null hypothesis for the ANOVA procedure is d. That at least one of the means of the different categories differs from the others.
In ANOVA (Analysis of Variance), we are comparing the means of multiple groups or categories. The null hypothesis states that there is no significant difference between the means of the groups. In this case, the null hypothesis would be that all the population means of the different categories are equal.
Option a is incorrect because it states that the population means of all the different categories are equal, which is the null hypothesis for a two-sample t-test, not ANOVA.
Option b is incorrect because it refers to the population proportion, which is not relevant to ANOVA.
Option c is incorrect because it states that the population mean is equal to a specific value, which is the null hypothesis for a one-sample t-test, not ANOVA.
Therefore, option d is the correct.
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