Answer:
Step-by-step explanation:
If the spinner has an even number of numbers on it, there will be an equal number of odd and even numbers, meaning that the probability of spinning an odd number is 1 2. This is also the probability of flipping heads on a coin. And so we have: 1 2 × 1 2 × 1 2 = 1 8. If the spinner has an odd number of numbers on it, the probability of spinning an odd number will vary. hope this helped\
I need help! Please include an explanation.
Answer: c. 60
Each interior angle = 720/6 = 120°.
When the hexagon is extended create an exterior angle, its measure is given by;
x + 120 = 180°.
x = 180° - 120°
x = 60°
Which set of values could be the side length of a 30 60 90 triangle? A. {5,5v3,10}
Therefore, the answer is A. {5, 5√3, 10}.
The set of values {5, 5√3, 10} could be the side lengths of a 30-60-90 triangle.
In a 30-60-90 triangle, the sides are in a specific ratio. The ratio is 1 : √3 : 2, where the shortest side (opposite the 30-degree angle) has length x, the side opposite the 60-degree angle has length x√3, and the hypotenuse (opposite the 90-degree angle) has length 2x.
Let's check if the given set of values satisfies this ratio:
If x= 5, then the side opposite the 60-degree angle should be 5√3, and the hypotenuse should be 10. These values match the ratio, so the set {5, 5√3, 10} could be the side lengths of a 30-60-90 triangle.
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Suppose we have already saved $55 towards the cost of a new television set.
We plan to save $6 more each week for the next several weeks.
i) Write an equation for the total amount T we will have after w weeks from now.
ii) Find the total amount that would be saved after 8 weeks.
Step-by-step explanation:
T = 55 + 6w
after 8 week $103
Luisa sells stuffed animals. She sells a stuffed elephant for $34.90, and the sales tax is 9% of the sale price. About how much is the sales tax on the elephant?
Step-by-step explanation:
Topic :- Percentage Increase
Percentage Increase Formula= Cost price × Rate/one hundred
⇒ 34.90 × 9/100
⇒ 314.1/100
⇒ 3.141
Therefore, the sale tax of the elephant would be $3.141
Answer:
3.15
Step-by-step explanation:
what is the length of segment kl
33 √3 is the length of segment KL.
The ratios of the sides of a right triangle are called trigonometric ratios. Three common trigonometric ratios are the sine (sin), cosine (cos), and tangent (tan).
Tanθ = Perpendicular / Base
In the above ΔKJL
According to ∠J,
KL = Perpendicular
KJ = Base
⇒Tan 60° = KJ/KL
⇒Tan 60° = KJ / 33
⇒KJ = Tan 60° × 33 [ Tan 60°= √3 ]
⇒KJ = √3 × 33
⇒KJ = 33√3 m
Hence, 33 √3 is the length of segment KL.
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Cual es el valor de x ? 5 ( x - 56 ) = -3 ( x + 2 ) + 1
Answer:
Step-by-step explanation:
\(\frac{275}{8}=34,375\)
4/5 is a real number or imaginary
4/5 is a real number.
What are real numbers?A real number is a value in mathematics that expresses a quantity along a continuous line. Real numbers can be expressed as fractions or decimals and can be positive, negative, or zero.
4/5 is a rational number in this situation, which is a form of real number that may be written as a ratio of two integers. A real number can also be irrational, which means that it cannot be stated as a ratio of two integers and that its decimal representation goes on indefinitely without repeating.
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A computer valued at $4,500 depreciates at the rate of 12.2% per year. What is the value of the computer after 3 years?
At which f is continuous but not differentiable
Answer:
x at 1
Step-by-step explanation:
There is a corner at 1 making the function not differentiable
divide the polynomials x^2-10,000/x-100
Answer:
x+100
Step-by-step explanation:
x^2-10,000/x-100
x^2-10000 is a difference in squares and can be factored.
x^2-10000 = (x+100)(×-100).
(x+100)(x-100)/(x-100)
(x-100) cancel each other.
x+100 remains.
Find the missing side. 31° Z z = [?] Round to the nearest tenth. Remember: SOHCAHTOA 21
A²+B²= C²
31²+ 21²= z²
961+441 = z²
1402= z²
z= 37.443290454
Find the measure of each unknown angle.
Answer:
= 56°
= 34°
Step-by-step explanation:
3x + 5 + 2x = 90°
3x + 2x + 5 = 90°
5x + 5 = 90°
5x = 90 - 5
5x = 85
x = 85/5
x = 17
3x + 5
= 3(17) + 5
= 51 + 5
= 56°
2x
= 2(17)
= 34°
Which is more, 9 pints or 16 cups?
Answer:
9 pints
Step-by-step explanation:
there are two cups in a pint, so we need to divide 16 by 2 to convert the cups to pints.
16 ÷ 2 = 8
9 is greater than 8, so 9 pints.
If the point A (5,4) is rotated 90 degrees clockwise about the point (0,1),what are the coordinates of the point A'?
The correct option is B, the coordinates of the image A' are (3, -4)
What are the coordinates of A'?So we start with point A (5, 4), and we apply a rotation of 90 degrees clockwise about (0, 1) to make the image A'.
We want to find the coordinates of A', so we can follow the steps:
Translate the coordinates so that the given point becomes the origin (0,0).
Subtract the x-coordinate of the given point from the x-coordinate of point A, and subtract the y-coordinate of the given point from the y-coordinate of point A:
A' = (5 - 0, 4 - 1) = (5, 3)
Perform the rotation.
To rotate a point 90 degrees clockwise, we swap the x and y coordinates and negate the new y-coordinate:
A' = (3, -5)
Translate the coordinates back to the original position.
Add the x-coordinate of the given point to the x-coordinate of point A', and add the y-coordinate of the given point to the y-coordinate of point A':
A' = (3 + 0, -5 + 1) = (3, -4)
Therefore, the coordinates of point A' after rotating 90 degrees clockwise about the point (0,1) are (3, -4).
The correct option is B.
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Maddys house consist of two stories and an attic. The first floor is 8 5/6feet tall. The second floor is 8 1/2 feet tall. The entire house is 24 1/3 feet tall how tall is the Attic
The entire house is 24 1/3 feet tall and attic is 7 feet tall.
What is subtraction?Mathematical operations like subtraction exist. It is employed to delete words or objects from the phrase.
Given:
Maddy's house has two stories and an attic.
The first floor is 8 5/6 feet tall.
The second floor is 8 1/2 feet tall.
The entire house is 24 1/3 feet tall.
So, the height of the attic,
= height of the entire house - ( height of the first floor + height of the second floor)
= 24 1/3 - (8 5/6 + 8 1/2)
In order to simplify the equation,
converting mixed fraction to improper fraction,
we get,
= 73/3 - 53/6 - 17/2
= 42/6
= 7 feet.
Therefore, the height of the attic is 7 feet.
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Sara and Jake shared a chocolate bar. Jake teased Sarah saying I have 4/8 of the candy bar you only have 2/4 of it. I have more than you use words number sentences in the rectangle below to show
Answer:
im not 100% sure what your asking, but They do both have equal parts. because 4/8 is equal to 2/4
Step-by-step explanation:
A kite has angle measures of 7x°, 65°, 85°, and 105°. Find the value of x.
Which of the angles are opposite angles? Explain your reasoning.
Part 1
Angles of a quadrilateral add to 360 degrees.
\(7x+65+85+105=360\\\\7x+255=360\\\\7x=105\\\\x=15\)
Part 2
If \(x=15\), then \(7x=105^{\circ}\). Thus, the angles measuring \(7x\) and \(105^{\circ}\) are opposite angles since opposite angles of a kite are congruent.
This means the remaining angles, which are the angles measuring \(65^{\circ}\) and \(85^{\circ}\), are also opposite using the process of elimination.
Patel is solving 8x2 + 16x + 3 = 0. Which steps could he use to solve the quadratic equation? Select three options. 8(x2 + 2x + 1) = –3 + 8 x = –1 Plus or minus StartRoot StartFraction 5 Over 8 EndFraction EndRoot x = –1 Plus or minus StartRoot StartFraction 4 Over 8 EndFraction EndRoot 8(x2 + 2x + 1) = 3 + 1 8(x2 + 2x) = –3
The steps that Patel could he use to solve the quadratic equation include:
8(x² + 2x) = –3
8(x² + 2x + 1) = –3 + 8
x = –1 Plus or minus StartRoot StartFraction 5 Over 8 EndFraction EndRoot
How to illustrate tye information?It is preferred to solve quadratic equations without the use of the known quadratic formula solver. This can be completing squares and solving for x.
The equation given is:
8x² + 16x + 3 = 0
8(x² + 2x) = -3
Completing squares in the brackets and balancing the equation:
8(x² + 2x + 1) = -3 + 8
Factoring the perfect square will give 8(x + 1)² = 5.
This is illustrated in the options picked for the step.
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a water wheel has a radius of 15 feet. the wheel is rotating at 6 revolutions per minute. find the linear speed of the water. express your answer in terms of n and using units feet per second
Answer:
25.1333 per second
Step-by-step explanation:
1508 per min
What is the distance between 23 and -8 on a number line?
Answer: 31
Step-by-step explanation:
To find the distance, find the difference between the number.
23 - (-8) = 31 So the distance is 31 units.
Note: To go from -8 to 23 you will have to add 31 to -8 and to go from 23 to -8 you will have to subtract 31 so the distance is 31
Which is the best first step when solving the following system of equations?
x+y=3
4x-y=7
O Multiply the first equation by 4.
Add the first equation to the second equation.
Multiply the second equation by -1.
Subtract the second equation from the first equation.
The best first step to solve equations, x+y = 3 and 4x-y = 7, is to add the first equation to the second equation.
According to the question,
We have the following system of equations:
x+y = 3 .....(1)
4x-y = 7 ....(2)
Now, these equations can be easily solved by adding the first equation to the second equation because we will only then have one variable which is x and y when added to -y will result in zero.
We can solve these equations by adding as follows:
x-y+4x+y = 3+7
5x = 10
x = 10/5
x = 2
Now, we can put the value of x in equation 1 to find the value of y:
2+y = 3
y = 3-2
y = 1
Hence, the correct option is B.
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what percent is 38 of 80
Answer:
47.5
Step-by-step explanation:
38/80x100%=47.5
Answer:
47.5%
Step-by-step explanation:
Before we get started in the fraction to percentage conversion, let's go over some very quick fraction basics. Remember that a numerator is the number above the fraction line, and the denominator is the number below the fraction line. We'll use this later in the tutorial.
When we are using percentages, what we are really saying is that the percentage is a fraction of 100. "Percent" means per hundred, and so 50% is the same as saying 50/100 or 5/10 in fraction form.
So, since our denominator in 38/80 is 80, we could adjust the fraction to make the denominator 100. To do that, we divide 100 by the denominator:
100 ÷ 80 = 1.25
ow we can see that our fraction is 47.5/100, which means that 38/80 as a percentage is 47.5%.
We can also work this out in a simpler way by first converting the fraction 38/80 to a decimal. To do that, we simply divide the numerator by the denominator:
38/80 = 0.475
Once we have the answer to that division, we can multiply the answer by 100 to make it a percentage:
0.475 x 100 = 47.5%
And there you have it! Two different ways to convert 38/80 to a percentage. Both are pretty straightforward and easy to do, but I personally prefer the convert to decimal method as it takes less steps.
I've seen a lot of students get confused whenever a question comes up about converting a fraction to a percentage, but if you follow the steps laid out here it should be simple. That said, you may still need a calculator for more complicated fractions (and you can always use our calculator in the form below).
If you want to practice, grab yourself a pen, a pad, and a calculator and try to convert a few fractions to a percentage yourself.
Hopefully this tutorial has helped you to understand how to convert a fraction to a percentage. You can now go forth and convert fractions to percentages as much as your little heart desires!
which fraction is 16/64 in lowest terms
PLEASE SHOW HOW U DID UR PROBLEM
Answer:
16/64 simplified to lowest terms is 1/4
Step-by-step explanation:
Find the GCD (or HCF) of numerator and denominator
GCD of 16 and 64 is 16
Divide both the numerator and denominator by the GCD
16 ÷ 16
64 ÷ 16
Reduced fraction:
1/ 4
Answer:
1/4
Step-by-step explanation:
Steps to simplifying fractions
Find the GCD (or HCF) of numerator and denominator
GCD of 16 and 64 is 16
Divide both the numerator and denominator by the GCD
16 ÷ 16
64 ÷ 16
Reduced fraction:
1 / 4
Therefore, 16/64 simplified to lowest terms is 1/4.
Katrina drove 250 miles in 4 hours. How many miles did she drive in 1 hour? HELP ME FAST PLS ILL LOVE U FOREVER <3
Answer:
62.5 miles per hour
Step-by-step explanation:
All you have to do is divide 250 miles by 4 hours, to get the unit rate of miles per hour. I hope this helps :)
Find two positive numbers whose sum is 110 and whose product is a maximum.
The two positive numbers are 55, and 55.
Given that,
Two positive numbers whose product is a maximum and whose sum is 110.
To Find : Two positive real numbers with a maximum product whose sum is 110.
x + y = 110
x = 110-y
Area = xy = (110-y)y
A = 110y-y^2
Maximum A occurs when y = -b/(2a) = -110/(2*-1) = 55
x + y = 110
x + 55 = 110
x = 55
and y is also 55.
Therefore, the two positive numbers are 55, and 55.
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a)
b)
1. Convert the following Mayan numbers to
decimal (base 10).
: :|| :||
The given Mayan number which is : :|| :|| in decimal (base 10) is 42.
The Mayan number system is a base-20 system that uses three symbols: a dot (.), a horizontal bar (|), and a shell-like symbol (:). The symbol for zero is a shell-like symbol (:).
To convert the given Mayan number to decimal (base 10), we need to understand the positional value of each symbol. Each position in the number represents a power of 20, with the rightmost position being 20⁰, the next position to the left being 20¹, and so on.
The Mayan number given, : :|| :||, can be broken down as follows:
The leftmost position has no symbol, which represents a value of 0.
The second position from the left has two shell-like symbols (:), which represents a value of 2x20¹ = 40.
The third position from the left has two horizontal bars (||), which represents a value of 2x20⁰ = 2.
The given Mayan number in decimal (base 10) is 40 + 2 = 42.
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Complete question is:
Convert the following Mayan number to decimal (base 10).
: :|| :||
Solve 5 to x-4 power =7
Answer:The value of x is 4.
Step-by-step explanation:
Given : Expression .
To find : Solve for x ?
Solution :
Applying exponential property,
Comparing the base,
Step-by-step explanation:
The scatterplot above displays the relationship between the amount of food hippopotamuses eat per day and their age. Describe and explain any associations and data features on the scatterplot. Then, use the variables on the graph to interpret the relationship that is shown.
The scatter plot shows a [positive linear] association.
How to determine the association of the scatterplotFrom the question, we have the following parameters that can be used in our computation:
The image of the scatter plot
On the scatter plot, we can see that
The points appear to be on a straight line
Also, we can see that
As the x values increases the y values increases
This represents a positive linear association.
Hence, the association is a positive linear association.
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Given the relation y = 3x + 1, if the input is 4, what is the output?
HINT: output is the dependent variable or range.
A. 8
B. 13
C. 4
D. 49 is not the right answer
Answer:
13
Step-by-step explanation:
input is X
and output is Y
if the input is 4, then we need to plug in x=4
we get
y=3*4 + 1 = 12+1=13
Answer:
13
Step-by-step explanation:
If you plug in 4 for x (the input) and do the math. 3x4 is 12 then 12+1 is 13
The following matrix is in reduced row echelon form. Decode from the matrix the solution of the corresponding system of linear equations or state that the system is inconsistent. (If the system is dependent assign the free variables the parameters s and t. If the system is inconsistent, enter INCONSISTENT.) 1 0-4 5 2 0 1 2 -9 3 10 -4 5 21 o 0 00 0 (xi, X2, X3, x4)- X1, X2, X3, X4) =
The solution of the corresponding system of linear equations is: (X1, X2, X3, X4) = (-9s, 10s, -4s, t).
The reduced row echelon form of the matrix is:
1 0 0 -9
0 1 0 10
0 0 1 -4
0 0 0 0
This tells us that the system of linear equations has the following solution:
X1 = -9X4
X2 = 10X4
X3 = -4X4
The system is dependent, so we assign the free variables the parameters s and t:
X1 = -9s
X2 = 10s
X3 = -4s
X4 = t
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