Jan drew a triangle with angle measures that are 125° and 15°. What must the last degree measure be?
Any angle will work
40°
35°
25°
None of these will work.
Answers
Related Questions
The points (1, 10) and (0, 5) fall on a particular line. What is its equation in slope-intercept form?
Answers
Answer:
y=3x-2
Step-by-step explanation:
First, you have to know that the slope (m) of the line form by two points A(x1,y1), and B(x2,y2) is (y2-y1)/(x2-x1).
So we get the slope of the line is (4-7)/(2-3)=3, so the line equation becomes y=3x+b.
Substituting one of the points into the equation, for instance, the first point(3,7): 7=3*3+b, we can get that b=-2
The equation of the line is y=3x-2
what 2 numbers multiply to -32 and add to -4
Answers
Answer:
the numbers are -8 and +4
how do u get 598 x 9 when ur estimating numbers to find the product
Answers
The estimated product is 6000
What is estimation?
To make calculations simpler and more realistic, estimation of a number refers to a plausible assumption of the actual value.
Estimation is the process of approximating a quantity with the necessary accuracy.
The result is quickly and roughly determined by rounding off the numbers used in the calculation.
To estimate the product, we first round off the multiplier and the multiplicand to the nearest tens, hundreds, or thousands and then multiply the rounded numbers.
598 ≈ 600
9≈ 10
600*10
= 6000
The estimated product is 6000
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Look at this diagram:If KM and NP are parallel lines and m
Answers
Answer
Angle NOL = 70°
Explanation
Alternate angles are angles that are in opposite positions relative to a transversal intersecting two lines. If the two lines are parallel to each other, then alternate angles are equal.
We can see that Angle MLO and Angle NOL are alternate angles.
And since we have been told that KM and NP are parallel lines,
Angle NOL = Angle MLO = 70°
Hope this Helps!!!
58Let's compareand9colaD=0First, write the fractions with the same denominator.x?85ola:-=96LJILThen, use <, = , of > to compare the fractions.5.
Answers
Solution
We are to compare
\(\begin{gathered} \frac{8}{9} \\ \text{and} \\ \frac{5}{6} \end{gathered}\)First LCM of 9 and 6 is 18
\(\begin{gathered} \frac{8}{9}=\frac{8}{9}\times1 \\ \frac{8}{9}=\frac{8}{9}\times\frac{2}{2} \\ \frac{8}{9}=\frac{16}{18} \end{gathered}\)Similarly
\(\begin{gathered} \frac{5}{6}=\frac{5}{6}\times1 \\ \frac{5}{6}=\frac{5}{6}\times\frac{3}{3} \\ \frac{5}{6}=\frac{15}{18} \end{gathered}\)Now
\(\frac{8}{9}=\frac{16}{18}>\frac{15}{18}=\frac{5}{6}\)Therefore,
\(\frac{8}{9}>\frac{5}{6}\)Find The slope of the line that passes through the point (2,4) ,(3,8)
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PLEASE LOOK AT PHOTO! WHOEVER ANSWERS CORRECTLY I WILL MARK BRAINIEST!!!
Answers
(2, -3) move up 2 so (2, -1)
an airplane travels 3456 kilometers against the wind in 6 hours and kilometers with the wind in the same amount of time. what is the rate of the plane in still air and what is the rate of the wind?
Answers
The rate of the plane in still air (p) is 576 km/h and the rate of the wind (w) is 0 km/h. This means that the airplane's speed in still air is 576 km/h and there is no wind affecting its speed.
To find the rate of the plane in still air and the rate of the wind, we can use the concept of relative motion.
Let's denote the rate of the plane in still air as "p" (in km/h) and the rate of the wind as "w" (in km/h).
When the airplane travels against the wind, its effective speed is reduced by the speed of the wind. So the rate of the airplane against the wind can be calculated as:
Rate against the wind = p - w
Similarly, when the airplane travels with the wind, its effective speed is increased by the speed of the wind. So the rate of the airplane with the wind can be calculated as:
Rate with the wind = p + w
Given that the airplane travels 3456 kilometers against the wind in 6 hours and the same distance with the wind in the same amount of time, we can set up the following equations:
3456 = (p - w) * 6 (equation 1)
3456 = (p + w) * 6 (equation 2)
We have a system of two equations with two unknowns (p and w). We can solve this system of equations to find the values of p and w.
First, let's simplify the equations:
6p - 6w = 3456 (equation 1)
6p + 6w = 3456 (equation 2)
Now, we can add the two equations together to eliminate the variable w:
12p = 6912
Dividing both sides of the equation by 12:
p = 576
Now, we can substitute the value of p back into one of the original equations to find the value of w. Let's use equation 1:
6(576) - 6w = 3456
3456 - 6w = 3456
-6w = 0
w = 0
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which of the following is most likely a population as opposed to a sample? a) respondents to a newspaper survey. b) the first 5 students completing an assignment. c) every third person to arrive at the bank. d) registered voters in a county.
Answers
The option that is most likely a population as opposed to a sample is registered voters in a county. The correct answer is Option D.
A population is a group of individuals, objects, or events whose properties are being studied. A sample is a smaller subset of the population that is selected to represent the whole population.
The four options given in the question are all sets of individuals who are being studied, but the difference is how they were selected. Respondents to a newspaper survey, the first 5 students completing an assignment, and every third person to arrive at the bank are all examples of samples because they are subsets of a larger group.
However, registered voters in a county are most likely a population because they are the entire group that is being studied, and there is no need for a subset of this group since the entire population is available. Therefore, option d) registered voters in a county is the most likely population as opposed to a sample.
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find all the zeros of the polynomial function
x^3-2x^2 +5x-10
Answers
Answer: x = \(\sqrt{5} , -\sqrt{5}\) , and 2
Step-by-step explanation:
in the first two monomials you can factor out x^2, and on the last pair of two monomials you can factor out 5
so, x^2(x-2)+5(x-2)
some rule out there says you can simplify this to
(x^2+5)(x-2)
to find the zeroes, set it equal to zero
(x^2+5)(x-2) = 0
you can split up the pairs of parenthesis to equal 0
(x^2+5) = 0
(x-2)=0
find x for both equation and you end up with \(\sqrt{5} , -\sqrt{5} , and 2\)
8. A particle in a spherically symmetric potential is in a state described by the wave packet ψ(x,y,z)=C(xy+yz+zx)e −αr t
What is the probability that a measurement of the square of the angular momentum yields 0 ? What is the probability that it yields 6ℏ 2
? If the value of l is found to be 2, what are the relative probabilities for m=2,1,0,−1,−2 ?
Answers
The values of C, α, and the normalization constant need to be determined to calculate the exact probabilities.
To find the probabilities associated with the measurements of the square of the angular momentum for the given wave packet, we need to determine the quantum numbers and their corresponding probabilities.
The square of the angular momentum operator is given by:
L^2 = Lx^2 + Ly^2 + Lz^2
For a spherically symmetric potential, the wave function can be written as:
ψ(x, y, z) = C(xy + yz + zx) e^(-αr)
Let's analyse each part separately.
1. Probability of obtaining L^2 = 0:
For L^2 = 0, the only possibility is when all three components of the angular momentum, Lx, Ly, and Lz, are zero. In other words, l = 0.
The probability of this occurring is given by the square of the coefficient of the corresponding term in the wave function:
P(L^2 = 0) = |C(xy + yz + zx)|^2
2.Probability of obtaining L^2 = 6ℏ^2:
or L^2 = 6ℏ^2, we need to consider the possible values of l. Since l = 2 is given, the possible values of m are -2, -1, 0, 1, and 2. The probability for each value of m is given by the square of the coefficient of the corresponding term in the wave function.
Here, m represents the projection of the angular momentum along the z-axis.
P(m = 2) = |C(xy)|^2
P(m = 1) = |C(yz)|^2
P(m = 0) = |C(zx)|^2
P(m = -1) = |C(yz)|^2
P(m = -2) = |C(xy)|^2
Please note that the probabilities for m = 1 and m = -1 are the same because the coefficients for the corresponding terms are the same.
The values of C, α, and the normalization constant need to be determined to calculate the exact probabilities.
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Which vector spaces have exactly one basis?
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The vector space that has exactly one basis is the trivial vector space, which is the vector space containing only the zero vector.
A basis for a vector space is a set of linearly independent vectors that span the entire space. In a non-trivial vector space (a space that contains more than just the zero vector), there are infinitely many possible bases. This is because any set of linearly independent vectors that span the space can be used as a basis.
However, in the trivial vector space, there is only one vector (the zero vector), and it is linearly independent of itself. Therefore, the trivial vector space has exactly one basis, which is the set containing only the zero vector. Any other set of vectors in the trivial vector space is linearly dependent, and therefore cannot be used as a basis.
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Help fast please
Write each number using scientific notation
Answers
Step-by-step explanation:
uwhhsmousyhajjijajhfihagghe
Answer:
Step-by-step explanation:
11. 5.2 * 10^-6
12. 8.3 * 10^2.
Washington is 44 mi south of lawrence. midland is 63 mi east of lawrence. how far apart are washington and midland? round your answer to the nearest mile. responses 19 mi 19 mi 27 mi 27 mi 77 mi 77 mi 107 mi
Answers
Answer:
77 miles
Step-by-step explanation:
Make a diagram like in the attached image.
Solve using the Pythagorean theorem:
\(44^2 + 63^2 = d^2\)
\(1936 + 3969 = d^2\)
\(d^2 = 5905\)
\(\sqrt{d^2} = \sqrt{5905}\)
\(d = \sqrt{5905}\)
d ≈ 77 miles
hello, can i please have help on this question thank you
Answers
Answer:
Step-by-step explanation:
a) One can get maximum score when all the 20 questions answered are correct.
Maximum score = 20*3 = 60 points
b) Minimum score = 20 * (-2) = -40 points
c) Points for correctly answered questions = 10*3 = 30
Incorrectly answered questions = 14 - 10 = 4
Points for incorrectly answered questions = 4 * (-2) = -8
Total score = 30 + (-8) = 22
d) Points for correctly answered questions =5*3 = 15
Points for incorrectly answered questions = 13 * (-2) = -26
Total score = 15 + (-26) = -11
Write the equation of the ellipse that has its center at the origin with focus at (0,4) and vertex (0,7).
Answers
1) Notice that, in this case, the center is at (0,0) the focus at (0,4) and the Vertex is at (0,7)
2) Since the focus is at the y-axis, and the center is at the origin we can start from the following formula:
\(undefined\)i have to find the distance form the swings to fountain. help please
Answers
The first thing we have to do is locate the points where the swings and the fountain are located on the graph.
\(\begin{gathered} Fountain\to(-2,-2) \\ Swings\to(5,-2) \end{gathered}\)To calculate the distance between the 2 points we use the following equation:
\(\begin{gathered} D(F,S)=\sqrt[]{(x_2-x_1)^2-(y_1-y_1)^2} \\ \end{gathered}\)We replace the values of the points F and S:
\(\begin{gathered} D(F,S)=\sqrt[]{(5_{}-(-2)_{})^2-(-2_{}-(-2)_{})^2} \\ D(F,S)=\sqrt[]{(5_{}+2_{})^2-(-2_{}+2_{})^2} \\ D(F,S)=\sqrt[]{(7_{})^2-(0_{})^2} \\ D(F,S)=\sqrt[]{(7)^2} \\ D(F,S)=7 \end{gathered}\)So the distance between the swings and the fountains is 7. suppose s is a set of 17 integers. show that there are elements m, n ∈ s with m − n divisible by 16. hint: consider the remainders of elements of s when divided by 16.
Answers
We have shown that there are elements m, n ∈ S with m - n divisible by 16.
Answer:Let's consider the remainders of elements of S when divided by 16. These remainders can only be integers between 0 and 15, so there are only 16 possible remainders. However, we have 17 elements in S, so by the Pigeonhole Principle, at least two of these elements must have the same remainder when divided by 16. Let's call these elements m and n. Since they have the same remainder when divided by 16, their difference must be divisible by 16. In other words, m - n is divisible by 16. Therefore, we have shown that there are elements m, n ∈ S with m - n divisible by 16.
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Points (−6, 3) and (−6, −3) on the coordinate grid below show the positions of two dogs at a park:
A coordinate plane is shown. There is a point at negative 6, 3 labeled Dog 1. There is a point at negative 6, negative 3 labeled Dog 2.
Which statement best describes the relationship between the positions of the two players?
A. Dog 1's position is Dog 2's position reflected across the y-axis; only the signs of the y-coordinates of Dog 1 and Dog 2 are different.
B. Dog 1's position is Dog 2's position reflected across the x-axis; only the signs of the y-coordinates of Dog 1 and Dog 2 are different.
C. Dog 1's position is Dog 2's position reflected across the x-axis; only the signs of the x-coordinates of Dog 1 and Dog 2 are different.
D. Dog 1's position is Dog 2's position reflected across the y-axis; only the signs of the x-coordinates of Dog 1 and Dog 2 are different.
Answers
9514 1404 393
Answer:
B. Dog 1's position is Dog 2's position reflected across the x-axis; only the signs of the y-coordinates of Dog 1 and Dog 2 are different.
Step-by-step explanation:
It is generally useful to compare the answer choices to the problem statement. Here, the problem statement gives two points with identical x-coordinates and opposite y-coordinates.
Any answer choice saying the signs of the x-coordinates are different can be rejected immediately.
It also can be useful to draw yourself a picture. If you plot the points, you can see that the x-axis bisects them. The reflection is not across the y-axis, so any answer choice saying it is can be rejected.
The appropriate description is ...
B. Dog 1's position is Dog 2's position reflected across the x-axis; only the signs of the y-coordinates of Dog 1 and Dog 2 are different.
Let f (x, y) be a continuous function of x and y, which is independent of x, that is, f (x, y) = g(y) for some one-variable function g. Suppose that, .3 10 | g(x)dx = 10 J g(x)dx = 1 and Find f dA, where R is the rectangle 0sx<3,0sys 10 R
Answers
A continuous function is a function where small changes in the input result in small changes in the output, with no abrupt jumps or breaks in the function's graph.
Since f(x,y) is independent of x, we can write it as f(x,y) = g(y). We are given that the integral of g(x) from 0.3 to 10 is 1, so we can write:
∫0.3^10 g(x) dx = 1
Using this information, we can find g(y) by integrating g(x) with respect to x:
g(y) = ∫0.3^10 g(x) dx / ∫0^10 dx
g(y) = 1 / 9.7
Now, we can find f(x,y) by substituting g(y) into f(x,y) = g(y):
f(x,y) = g(y) = 1 / 9.7
We need to find the integral of f(x,y) over the rectangle R, which is:
∫0^3 ∫0^10 f(x,y) dy dx
∫0^3 ∫0^10 1 / 9.7 dy dx
(1 / 9.7) ∫0^3 ∫0^10 dy dx
(1 / 9.7) * 3 * 10
= 3.0928
Therefore, the value of the integral of f(x,y) over the rectangle R is 3.0928.
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the sum of the percent frequencies for all classes in a frequency distribution will always equalT/F
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The statement "the sum of the percent frequencies for all classes in a frequency distribution will always equal" is True.
The sum of the percent frequencies for all classes in a frequency distribution will always equal 100%. This is because the percent frequency for each class is calculated by dividing the frequency of that class by the total number of observations and then multiplying by 100. Therefore, when we add up all the percent frequencies for all the classes, we get the total percentage of observations, which must be 100%.
In a frequency distribution, percent frequencies are calculated by dividing the frequency of each class by the total number of observations and then multiplying by 100. Since all observations are accounted for in the distribution, the sum of the percent frequencies for all classes will always equal 100%.
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Choose the graph of y < –x2 + 4x + 5.
Answers
Answer:
can you show me the graph so I can't answer the question
Answer:
A
Step-by-step explanation:
Edge 2022
a)A fruitseller bought 50kg of the fruits. He sold 30kg of fruits for the cost price of 35kg of fruits and he sold the remaining quantity for the cost Price of 18kg of fruits. calculate his profit or loss percent in the total transaction.
Answers
A fruitseller bought 50kg of the fruits. He sold 30kg of fruits for the cost price of 35kg of fruits and he sold the remaining quantity for the cost Price of 18kg of fruits. calculate his profit or loss percent in the total transaction.
Answer:-let the cost price be 50x
→he sells 30kg of fruits on it's CP of 35 kg
→CP of 30kg fruits = 30x
→SP of 35kg fruits = 35x
→remaing fruits are 20kg
→he sells 20kg of fruits on CP of 16kg
→CP of 20kg fruits = 20x
→SP of 20kg fruits = 16x
→total CP is = 50x
→total SP is = (35 + 16) = 51x
→SP > CP (it means profit)
→profit = SP-CP
→ 51-50
→ 1
Now,→ Profit% = gain/CP × 100
→ Profit% = 1/50 × 100
→ 2%
Hence the fruit seller had a profit% of 2%.
Is 5/6 greater or is 9/10 greater
Answers
Answer:
9/10
Step-by-step explanation:
9/10 is equal to .9 and 5/6 is equal to .833333 and .9 is greater than .833333
Answer: 5/6
Step-by-step explanation:
because with fractions if the bottom is less than it is more than a number bigger tha it
VOTING In a recent school election, 208
of the 325 freshmen voted in their
class election. Write the fraction of
freshmen who voted. Then write the
fraction as a decimal.
Answers
Answer:
208/325
0.64
Step-by-step explanation:
Write the fraction as the number that voted on top of the number of total freshmen
For the decimal, divide 208 by 325. (This also gives you the decimal)
Ruben bought 6 comic books for $21 . Each comic book was the same price.
What was the cost for 1 comic book
Answers
Answer:
1 comic book costs $3.50.
Step-by-step explanation:
21 ÷ 6 = 3.5
how do you solve for x?
Answers
Answer: x = 6
Step-by-step explanation:
m<CAD = m<BAC
m<CAD = 4x
m<CAD + m<BAC = m<BAD
4x + 4x = 10x - 12
8x = 10x - 12
-10x -10x
-2x = -12
x = -12/-2
x = 6
Solve the inequality. Check the numbers that represent solutions.
-8x + 19 < -13
5
3
4
2
6
Answers
Answer:
x equals four
Step-by-step explanation:
collect like terms
then it will be minus 8 x equals minus 13 minus 19 which gives minus 32. Divide both sides by the coefficient of x i.e minus 8
Then x is less than 4
Because you divided with minus so the sign will change
Let c = 20. Evaluate the expression.
2c + 6
Answers
Answer:
46
Step-by-step explanation:
Since we know the value of the variable c, we can substitute 20 for c
2c + 6
2(20) + 6
40 + 6
46
A system of equations is shown below.
3x+2y=45
y=3x
Answers
equation form : x=5, y=15
The value of x and y in this system of equations is 5 and 6 respectively.
Mathematically, an equation is a statement that asserts the equivalency of two expressions. It consists of two hands, the left-hand side( LHS) and the right-hand side( RHS), separated by an equal sign( =). The LHS and RHS can be numbers, variables, constants, or further complex fine expressions.
Equations can be classified based on their degree, which corresponds to the highest power of the variables involved. For example, linear equations have a degree of 1, quadratic equations have a degree of 2, and so on.
Given the system of equations:
3x + 2y = 45 ...(1)
y = 3x ...(2)
Substitute the value of y in equation (1) from equation (2),
3x + 2(3x) = 45
3x + 6x = 45
9x = 45
x = \(\frac{45}{9}\)
x = 5.
Put this value of x in equation (2),
y = 3(2)
y = 6.
So, the value of x and y are 5 and 6 respectively.
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