Answer:
it is 5 inches squared
Step-by-step explanation:
1 inches. sjwjqkqkwjhed
A bag contains 12 red marbles, 10 green ones, 2 yellow ones, 19 blue ones, & 9 purple marbles. What is the probability of pulling out a green marble?
a number cube is rolled 2 times in a row. What is the probability of rolling a number greater than 2 both times?
Answer:
70%
Step-by-step explanation:
Answer:
The probability of rolling a number greater than 2 two times in a row is arond 0.44
Step-by-step explanation:
Divide the number of events by the number of possible outcomes. This will give us the probability of a single event occurring. In the case of rolling a 3 on a die, the number of events is 1 (there's only a single 3 on each die), and the number of outcomes is 6.
Probability formula is the ratio of number of favorable outcomes to the total number of possible outcomes. Measures the likelihood of an event in the following way: - If P(A) > P(B) then event A is more likely to occur than event B. - If P(A) = P(B) then events A and B are equally likely to occur.
A researcher at a major clinic wishes to estimate the proportion of the adult population of the United States that has sleep deprivation. What size sample should be
obtained in order to be 99% confident that the sample proportion will not differ from the true proportion by more than 6% ? Round up to the nearest whole number.
OA. 921
OB. 461
OC. 378
OD. 11
size sample should be obtained in order to be 99% confident that the sample proportion will not differ from the true proportion by more than 6% answer is OB. 461.
What is z-score ?
The z-score is a dimensionless variable that is used to express the signed, fractional number of standard deviations by which an event is above the mean value being measured.
We can use the formula for the sample size with a margin of error:
\(n = (z^2 * p * q) / E^2\)
Where:
z = z-score for the confidence level of 99%, which is 2.576
p = estimated proportion of the population with the characteristic of interest.
q = 1 - p
E = maximum allowable margin of error, which is 6% or 0.06
Plugging in the values, we get:
\(n = (2.576^2 * 0.5 * 0.5) / 0.06^2\)
n = 460.735
Rounding up to the nearest whole number, the sample size should be 461.
Therefore, the answer is OB. 461.
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The graph below shows the number of plates arranged on different numbers of tables in a room: A graph is shown. The values on the x-axis are 0, 1, 2, 3, 4, 5. The values on the y-axis are 0, 6, 12, 18, 24, and 30. Points are shown on ordered pairs 0, 0 and 1, 6 and 2, 12 and 3, 18 and 4, 24. These points are connected by a line. The label on the x-axis is Number of Tables. The title on the y-axis is Number of Plates. What does the point (1, 6) on the graph represent? (1 point) The ratio of plates to tables in the room is 7:1. The ratio of tables to plates in the room is 7:1. There are 6 plates for every 1 table in the room. There are 6 tables for every 1 plate in the room.
Answer:
D
Step-by-step explanation:
Took the test
Answer:
D
Step-by-step explanation:
I got an A but that was 5 yrs ago
I have 47 questions I posted going to post the second if you answer all the I give you 100 points and brainlist
Answer:
1. 245
2. Rational Number
3.integers
4. false
5.square root
Step-by-step explanation:
can someone help me with this question?
prove the following
please help
Step-by-step explanation:
1. cos x sec x
Secant is the inverse of cosine.
= cos x (1 / cos x)
= 1
2. sin x csc x
Cosecant is the inverse of sine.
= sin x (1 / sin x)
= 1
The equation can be stated in three forms:
In the first set of problems below, you will be given the mass of an object and the acceleration of that object, and then will need to solve for force, using the equation F = ma.
In other words, you will need to multiply the mass times the acceleration to calculate the force.
Be sure to convert any mass stated in grams into kilograms, by dividing it by 1000 (moving the decimal place over three places to the left). For example, 1000 grams is equal to 1 kilogram.
Be sure to state the proper units in your answer.
1. An object with a mass of 2.0 kg accelerates 2.0 m/s2 when an unknown force is applied to it. What is the amount of the force? ______________________
2. An object with a mass of 5.0 kg accelerates 8.0 m/s2 when an unknown force is applied to it. What is the amount of the force? ______________________
3. An object with a mass of 1500 g (grams) accelerates 10.0 m/s2 when an unknown force is applied to it. What is the amount of the force? ______________________ force force f = m•a m = f/a a = f/m
4. An object with a mass of 6.0 kg accelerates 4.0 m/s2 when an unknown force is applied to it. What is the amount of the force? ______________________
5. An object with a mass of 7.5 kg accelerates 8.3 m/s2 when an unknown force is applied to it. What is the amount of the force? ______________________
In this next set of problems below, you will be given the force applied to an object and the acceleration of that object, and then will need to solve for mass, using the equation m = F/a. In other words, you will need to divide the force by the acceleration to calculate the mass. Show your work in the space provided. Be sure to state the proper units in your answer.
6. An object accelerates 3.0 m/s2 when a force of 6.0 newtons is applied to it. What is the mass of the object? ___________________________
7. An object accelerates 12.0 m/s2 when a force of 6.0 newtons is applied to it. What is the mass of the object? ___________________________
8. An object accelerates 5.0 m/s2 when a force of 20.0 newtons is applied to it. What is the mass of the object? ___________________________
9. An object accelerates 2.0 m/s2 when a force of 12.0 newtons is applied to it. What is the mass of the object? ___________________________
Answer:
Hey this is your sign to have a great day!
Step-by-step explanation:
Good Luck!!!!!!!!!11
a community center is trying to raise $1680 to purchase exercise equipment. the center is hoping to receive equal contributions from members of the community. write and algebraic expression to determine how much will be needed from each person if n people contribute. Then evaluate the expression for 10, 12, 14, or 16 people.
Lets find f(n) formula
\(\boxed{\sf f(n)=\dfrac{1680}{n}}\)
Now
\(\\ \sf\longmapsto f(10)=\dfrac{1680}{10}=168\)
\(\\ \sf\longmapsto f(12)=\dfrac{1680}{12}=140\)
\(\\ \sf\longmapsto f(16)=\dfrac{1680}{16}=105\)
\(\\ \sf\longmapsto f(14)=\dfrac{1680}{14}=120\)
What is the answer answer and plz give me step by step explaining
Answer:
x = 5
Step-by-step explanation:
6 + 8(x - 1) = 2(3x + 4)
We evaluate the numbers in the brackets first.
(8 × x = 8x, 8 × 1 = 8, 2 × 3x = 6x, 2 × 4 = 8)
6 + 8x - 8 = 6x + 8
The left hand side of the equation is not exactly simplified, so we will evaluate it further first.
(6 - 8 = -2)
8x - 2 = 6x + 8
Now we can start shifting the x and the numbers separately.
Note that when pushing 6x from the right side to the left side, it needs to change to a negative 6x and vice versa for -2 turning into +2.
8x - 6x = 8 + 2
Further evaluation
2x = 10
Now we can simply find x.
Note that for this, ×2 becomes ÷2 when it shifts from the left side to the right side of the equation.
x = 10 ÷ 2
Evaluate.
x = 5
Which of the following is equivalent to -4(X + 8)?
A. -4x - 36
B. -4x² – 32
C. -4x2 + 8
D. - 8x + 8
Answer:
None of the above. -4x - 32
Step-by-step explanation:
-4(X + 8)
Distribute -4
-4x + 32 (8 × 4 =32)
In Mr. Stowe's math class, Katherine earned an 88 in the 1st quarter and a 94 in the end quarter. What is the percentage of increase?
The percentage of increase in her score is 6.82%
What is the percentage of increase?Here we will define her first score, 88, as the 100%.
So we can write the relation:
88 = 100%.
Her next score is 94, this will be a percentage X, then we can write:
94 = X
Taking the quotient between the two equations:
94/88 = X/100%
Solving this for X we get:
(94/88)*100% = X = 106.82%
The difference between the percentages gives the increase:
106.82% - 100% = 6.82%
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please i need this right now
Answer:
join AB line to the p point .
Solve the system by substitution.
-7x + 5y = -27
y = 2x
Answer:
(-9,-18)
Step-by-step explanation:
-7x +5(2x)=-27
-7x+10x=-27
3x=-27
\(\frac{3x}{3}\)=\(\frac{-27 x}{3}\)
x= -9
y=2(-9)
y=-18
2xWhat is the y-intercept of the function f(x) = 0x + 글?ㅇ름29 13 13 2를01ㅇ글O9
Given -
f(x) = -2/9x + 1/3
To Find -
Y-intercept =?
Step-by-Step Explanation -
We know that:
At y-intercept x = 0
So,
Put x = 0 in the given equation
f(x) = -2/9(0) + 1/3
f(x) = 1/3
Final Answer -
Option (c)
Y-intercept = 1/3
What is the domain of the function graphed below? Hurry pls I’m being timed
Q1 ? Help Robert is 7 ½ years old. How many months old is he?
Answer:
Step-by-step explanation:
If Robert is 7 1/2 months old you need to multiply 7 1/2 by 12 because there are 12 months in a year.
7x12=84
1/2x12=6
6+84=90
The ratio of dogs the cats is 3:5 is there a 30 cats how many dogs with there be
Answer:
15
Step-by-step explanation: since i helped can i have brainlist please :D
Urgent please help thank you all
the bakers want to sell their house for 145,500.After 2 months,the bakers decided to mark down the price of their house 8% to sell more quickly. How much are the bakers selling their house for now?
Answer:
133,860
Step-by-step explanation:
The baker was going to sell his house for 145,500 but he found that no one came to buy, so he decreased the amount by "8%".
* No we have our key elements:
- Starting amount = 145,500
- Rate of change = 8%
* We will get the "8%" of the number 145,500
- Firstly, "8%" means 8/100
- So, 0.08 will be our new rate of change.
* 145,500 will be multiplied by 0.08 to find the final answer because when we talk about the percentage of a number, we are going to talk about a part of it.
- 145,500 × 0.08 = 133,860 ; the same as
145,500 × 8/100 = 133,860
use functions f(x) = square root x+1 , g(x) = 2x-5 , and h(x) = 3x^2 - 3 to complete the table
Note that given the above functions, the completed table is given as follows;
x g(h(x))
0 -11
1 7
2 25
3 43
4 85
What is the explanation of the above?To complete the table for g(h(x)), we need to first find the value of h(x) for each value of x in the table, and then substitute that value into the function g(x) to get the corresponding value of g(h(x)).
x h(x) g(h(x))
0 3(0)²-3 g(-3) = 2(-3)-5 = -11
1 3(1)²-3 g(6) = 2(6)-5 = 7
2 3(2)²-3 g(15) = 2(15)-5 = 25
3 3(3)²-3 g(24) = 2(24)-5 = 43
4 3(4)²-3 g(45) = 2(45)-5 = 85
Therefore, the completed table for g(h(x)) is:
x g(h(x))
0 -11
1 7
2 25
3 43
4 85
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Full Question:
Although part of your question is missing, you might be referring to this full question: See the attached table.
Suppose {an) is an arithmetic sequence with a16=12 and a7=30. Find a9.
Answer:
a9 = 26
Step-by-step explanation:
nth term of an arithmetic sequence an = a + (n-1)d
a16 = a+15d = 12.... 1
a7 = a+6d = 30.....2
Subtract
15d - 6d = 12 - 30
9d = -18
d =-18/9
d = -2
Substitute d = -2 into 1
a + 15d = 12
a+15(-2) = 12
a - 30 = 12
a = 12 + 30
a = 42
Get a9;
a9 = a+8d
a9 = 42+8(-2)
a9 = 42 - 16
a9 = 26
hence the 9th term of the sequence is 26
A quadratic equation, y = ax^2 - 6x + 10, has exactly one real root. Calculate the value of a.
Answer:
a = 0.9
Step-by-step explanation:
For the quadratic equation \(\boxed{ax^2 + bx + c = 0}\) to have exactly one real root, the value of its discriminant, \(\boxed{b^2 - 4ac}\), must be zero.
For the given equation:
\(y = ax^2 - 6x + 10\),
• a = a
• b = -6
• c = 10.
Substituting these values into the formula for discriminant, we get:
\((-6)^2 - 4(a)(10) = 0\)
⇒ \(36 - 40a = 0\)
⇒ \(36 = 40a\)
⇒ \(a = \frac{36}{40}\)
⇒ \(a = \bf 0.9\)
Therefore the value of a is 0.9 when the given quadratic has exactly one root.
sphere edges vertices face ?
A sphere has no faces, no edges, and no vertices.
What are the faces, edges and vertices of a sphere ?A sphere is defined as the set of all points in three-dimensional space that are equidistant from a fixed point, called the center. The distance from the center to any point on the sphere is called the radius.
Spheres have a continuous, smooth, and curved surface, unlike polyhedra, which have flat faces, edges, and vertices. In contrast, a sphere does not have any flat faces, straight edges, or sharp corners. Its surface is entirely smooth and curved, with no distinct points where multiple edges meet.
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The table shows the frequency of colors in a bag of skittles. Based on this data, what is the approximate probability that a BLUE
skittle is pulled from a bag of skittles? (round to the nearest hundredth)
Select the true statement.
Answer: D) 54 inches = 1 1/2 yards
explanation: 1 1/2 yards = 54 inches.
Which sequence of transformations was applied to the parent tangent function to create the function m(x) = 2tan(3x+4)
The function m(x) = 2tan(3x+4) is obtained by applying a sequence of transformations to the parent tangent function.
To determine the sequence of transformations, let's break down the given function:
1. Inside the tangent function, we have the expression (3x+4). This represents a horizontal compression and translation.
2. The coefficient 3 in front of x causes the function to compress horizontally by a factor of 1/3. This means that the period of the function is shortened to one-third of the parent tangent function's period.
3. The constant term 4 inside the parentheses shifts the function horizontally to the left by 4 units. So, the graph of the function is shifted to the left by 4 units.
4. Outside the tangent function, we have the coefficient 2. This represents a vertical stretch.
5. The coefficient 2 multiplies the output of the tangent function by 2, resulting in a vertical stretch. This means that the graph of the function is stretched vertically by a factor of 2.
In summary, the sequence of transformations applied to the parent tangent function to create the function m(x) = 2tan(3x+4) is a horizontal compression by a factor of 1/3, a horizontal shift to the left by 4 units, and a vertical stretch by a factor of 2.
Example:
Let's consider a point on the parent tangent function, such as (0,0), which lies on the x-axis.
After applying the transformations, the corresponding point on the function m(x) = 2tan(3x+4) would be:
(0,0) -> (0,0) (since there is no vertical shift in this case)
This example helps illustrate the effect of the transformations on the graph of the function.
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After she pays her bills each month, Lana has $300 left. Based on the graph below, which is the best estimate of how much she will spend on movies and eating out? $180 $75 $160 $200 $90 Discretionary Spending 16- to 22-Year-Olds Shopping for Pleasure 34% Hobbies 12% Eating Out 30% Movies 24%.
The best estimate of how much she will spend on movies and eating out is given as follows:
$162.
How to obtain the best estimate?The best estimate of how much she will spend on movies and eating out is obtained applying the proportions in the context of the problem.
The percentages associated with movies and eating out are given as follows:
Eating out: 30%.Movies: 24%.The amount that she has left is given as follows:
$300.
Hence the best estimate of how much she will spend on movies and eating out is obtained as follows:
(0.3 + 0.24) x 300 = 0.54 x 300 = $162.
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Use formula to find the area of the figure
The area of the figure in this problem is given as follows:
A. 30 in².
How to obtain the area of the figure?The area of a triangle is given by half the multiplication of the base length by the height of the triangle.
Applying the Pythagorean Theorem, we can obtain the missing side length, as follows:
4² + x² = 6²
x² = 36 - 16
x² = 20
x = square root of 20
x = 4.47.
For a right triangle, one side is considered the height of the other, hence the sides are:
4 in.4.47 + 8 = 12.47 in.Hence the area of the triangle is then obtained as follows:
Area = 0.5 x 4 x 12.47
Area = 25 in².
Which is closest to 30 in².
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Select all of the following expressions that require
use of the distributive property to simplify.
√5(-√2)
√√5(√√7-√√2)
(√5 + √2)(-√7)
(3√5)(-7√2)
0 0 0
15.08
The options given are correct formulas and should use the distributive law √5(√7-√2) for simplicity.
(√5+√2)(-√7)
distribution characteristics
Given integers A, B, and C. According to the distributive law,
A(B + C) = AB + AC
From the formula we can see that A is distributed over B and C.
Therefore, the sum of the coefficients and terms must be in the parentheses of the distribution properties. Based on the options given, the correct formulas that should use the distribution characteristics for simplicity are √5(√7-√2) and
(√5+√2)(-√7)
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