m∠7 = 100° . Find the measure of ∠5
Answers
The measures of angles 5 and 3 is 100 degrees.
How to find the measure of angles in intersecting lines?When parallel lines are cut by a transversal, angle relationships are formed such as corresponding angles, alternate angles, vertically opposite angles, linear angles etc.
Therefore,
m∠7 = m∠5 (corresponding angles)
corresponding angles are congruent.
Therefore,
m∠5 = 100 degrees
m∠3 = m∠7(alternate angles)
m∠3 = 100 degrees.
Alternate angles are congruent.
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Related Questions
200% of x is b min. Find the amount
Answers
Answer:
The answer is 269 in.
hope this helps!
Sorry I’m late oops
Step-by-step explanation:
What is the domain of the function
y=³√x-1
Answers
The domain of the function is real numbers.. The value is x-1 = is a real number
What is meant by domain?The domain of a function is the set of values that we are allowed to enter into our function. This set consists of the x values for a function like f. (x). The set of values that a function can accept as input is known as its range. Once we enter an x value, the function returns this list of values.
Think about the equation y = f(x), where x and y are the independent and dependent variables. If a value for x successfully enables the creation of a single value y using another value for x, it is said to be in the domain of the function f.
A positive number has a positive cubic root.
Zero has a cubic root of zero.
A negative number has a negative cubic root.
Given ,
This implies that any real number's cubic root is also a real number.
y = ³√x-1
³√x-1 = x-1 is a cubic root
x-1 = is a real number
Therefore The value of real number is x-1 = is a real number
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Find the quotient of 3/5 3/7. Write your answer in the simplest form.
Answers
[tex]\cfrac{3}{5}\div\cfrac{3}{7}\implies \cfrac{~~\begin{matrix} 3 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}{5}\cdot \cfrac{7}{~~\begin{matrix} 3 \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}\implies \cfrac{7}{5}\implies 1\frac{2}{5}[/tex]
A chemist mixes 125 milliliters of a solution that is 18% acid with 500 milliliters of pure acid.
Answer the questions below. Do not do any rounding.
(a) How many milliliters of acid are in the resulting mixture?
(b) What percentage of the resulting mixture is acid?
Answers
The amount of milliliters of acid that are in the resulting mixture is 522 ml and the percentage of the resulting mixture is 83.6%.
How to find the milliliters of acid?a. Milliliters of acid:
Milliliters of acid = ( .18 x 125ml) +500 ml
Milliliters of acid = 522.5ml
b. Percentage of the resulting mixture
Percentage of the resulting mixture = 522.5ml /(125ml + 500 ml)
Percentage of the resulting mixture = 522.5ml / 625 ml × 100
Percentage of the resulting mixture =83.6%
Therefore the milliliters of acid is 522.5ml.
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Given that is a standard normal random variable, compute the following probabilities. Round your answers to 4 decimal places.
a.
b.
c.
d.
e.
f.
Answers
The probabilities, using the normal distribution, are given as follows:
a. P(0 < x < 0.5) = 0.1915.
b. P(-1.42 < x < 0) = 0.4222.
c. P(x > 0.46) = 0.3228.
d. P(x > -0.5) = 0.6915.
e. P(x < 2.05) = 0.9798.
f. P(x < -0.70) = 0.2420.
Normal Probability DistributionThe z-score of a measure X of a variable that has mean symbolized by [tex]\mu[/tex] and standard deviation symbolized by [tex]\sigma[/tex] is obtained by the rule presented as follows:
[tex]Z = \frac{X - \mu}{\sigma}[/tex]
The z-score represents how many standard deviations the measure X is above or below the mean of the distribution, depending if the obtained z-score is positive or negative.Using the z-score table, the p-value associated with the calculated z-score is found, and it represents the percentile of the measure X in the distribution.For a standard normal random variable, the mean and the standard deviation are given as follows:
[tex]\mu = 0, \sigma = 1[/tex]
Hence each value of x is it's own z-score.
For item a, the probability is the p-value of Z = 0.5 subtracted by the p-value of Z = 0, hence:
P(0 < x < 0.5) = 0.6915 - 0.5 = 0.1915.
For item b, the probability is the p-value of Z = 0 subtracted by the p-value of Z = -1.42, hence:
P(-1.42 < x < 0) = 0.5 - 0.0778 = 0.4222.
For item c, the probability is one subtracted by the p-value of Z = 0.46, hence:
P(x > 0.46) = 1 - 0.6772 = 0.3228.
For item d, the probability is one subtracted by the p-value of Z = -0.5, hence:
P(x > -0.5) = 1 - 0.3085 = 0.6915.
For item e, the probability is the p-value of Z = 2.05, hence:
P(x < 2.05) = 0.9798.
For item f, the probability is the p-value of Z = -0.70, hence:
P(x < -0.70) = 0.2420.
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if 4 boxes of cereal cost $16.24 how much does one box of cereal cost?
Answers
Answer: 4.06
Step-by-step explanation:
if you divided 4 into 16.24 your answer will be 4.06!!
Answer:
$4.06
Step-by-step explanation:
To find the answer, divide 16.24 by 4
This gives you the answer of how much each box costs (assuming each cereal box costs the same)
The answer is 4.06
An electrician requires 250 energy saving light bulbs. He comes across four suppliers of these light bulbs.
ELECTRA sells the light bulbs at R 123.00 each, with a R 350.00 delivery fee. ZZZ LIGHTING sells the light bulbs at R
140.00 with a 13% discount on the final amount, but with a
R 260.00 delivery fee. SPARX sells the light bulbs at R 255.00 each with a buy one, get one free offer and no delivery fee.
Finally, BRIGHTEX sells the light bulbs at R 190.00 each
with a third off the final amount, and a delivery fee of R 100.00. Which supplier offers the best deal for the electrician?
Answers
Supplier which gives the best deal of selling light bulbs for the electrician is ZZZ LIGHTING with the total selling amount of
$ 30676.2.
As given in the question,
Different suppliers sells energy saving light bulbs with different deals,
Number of bulbs required by an electrician = 250
Different deals of selling amount are as follow:
1. ELECTRA :
123 (250) + 350
=$31100
2. ZZZ LIGHTING :
140(250) + 260
= $35260
13% discount on final amount
= 13% of 35260
= 4583.8
Total amount to pay = 35260 - 4583.8
= $30676.2
3. SPARX :
Offer of Buy one get one and no delivery fee
Total amount to be pay for 125 light bulbs.
255 (125)
= $31875
4. BRIGHTEX :
190(250) + 100
= $47600
With a third off on the final amount
(1/3) of 47600
= $15866.666..
= $15867 (approximately)
Final payment = 47600 - 15867
= $31733
$31875 > $31733 > $31100 > $30676.2
Therefore, supplier which gives the best deal of selling light bulbs for the electrician is ZZZ LIGHTING with the total selling amount of
$ 30676.2.
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Which expression is equivalent to 5m - (2m - 8) + 12 + 6m?
A 9m + 4
B.9m + 20
C.13m + 4
D. 13m + 20
Answers
We can begin by distributing -1 into everything inside the parenthesis:
-1 • 2m = -2m
-1 • -8 = 8
Now we can remove parenthesis:
5m - 2m + 8 + 12 + 6m
Finally, let’s combine like terms to find our expression:
(5m - 2m + 6m) + (8 + 12)
9m + 20
Hence, option B is correct.
Answer:
b) 9m + 20
Step-by-step explanation:
Given expression,
→ 5m - (2m - 8) + 12 + 6m
Simplifying the expression,
→ 5m - (2m - 8) + 12 + 6m
→ 5m - 2m + 8 + 12 + 6m
→ (5m - 2m + 6m) + (8 + 12)
→ 9m + 20
Hence, answer is 9m + 20.
How many subsets does the set S, seasons of the year, have? S={ Summer, Spring, Fall, Winter }.
Answers
The number of subsets that the set S , seasons of the year is 16 .
In the question ,
it is given that
the Set S have elements as the seasons of the year , that is
Set S [tex]=[/tex] { Summer , Spring , Fall , Winter }
So , the number of elements that are present in the set S = 4 ,
we know that the number of subsets of the set having n elements is = 2ⁿ .
So , the number of subsets of the set S having 4 elements is = 2⁴ = 16
Therefore , The number of subsets that the set S , seasons of the year is 16 .
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Find 18 and 90 using GCF prime factorization
Answers
Step by step
List the prime factors that are common to each of the original numbers. Include the highest number of occurrences of each prime factor that is common to each original number. Multiply these together to get the GCF.
18 = 2 x 3 x 3
90 = 2 x 3 x 3 x 5
2, 3, 3 are our common factors, multiply to get 18
Attached is the tree method I use to break down each number
A water skier is towed 65 m to the south of the starting point, and then is turned 40° cast of south for another 35m. What is the skier’s displacement from the starting point?
Answers
Using cosine law,
d^2 = 65^2 + 35^2 - 2(65)(35)cos140
= 8935.5022
d = sqrt(8935.5022)
= 94.5 m
Angle = inverseCos(35sin40 / 94.5) = 76.23 degrees South of East
18x^5-3x^7+12x4 factor the following polynomial with the greatest common factor
Answers
Factoring the given polynomial expression with the greatest common factor gives 3x⁴(6x - x³ + 4)
Factoring a Polynomial expressionFrom the question, we are to factor the giving polynomial expression with the greatest common factor
The given polynomial expression is
18x^5-3x^7+12x4
This can be properly written as
18x⁵ - 3x⁷ + 12x⁴
First, we will determine the greatest common factor of the coefficients in the expression.
The coefficients in the expression are 18, 3, and 12.
The greatest common factor of 18, 3, and 12 is 3.
Now, we will determine the greatest common factor of x⁵, x⁷, and x⁴.
The greatest common factor of x⁵, x⁷, and x⁴ is x⁴.
Thus,
The greatest common factor of the polynomial expression is 3x⁴.
Now,
Factoring the polynomial with the greatest common factor
18x⁵ - 3x⁷ + 12x⁴
3x⁴(6x - x³ + 4)
Hence, the result of factoring the polynomial is 3x⁴(6x - x³ + 4)
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A restaurant customer left $1.30 as a tip. The tax was 6 and the tip was 6% of the cost including tax.
a. What piece of information is not needed to compute the bill after tax and tip?
b. What was the total bill?
Answers
a) The piece of information not required to compute the bill after tax and tip is the cost of the item purchased by the customer.
b) The total bill paid by the restaurant customer is $22.97.
How is the total bill determined?The total bill the restaurant customer paid represents 100% of $1.30 plus the tip.
Proportionately, the amount can be computed using the percentage of the tip to equate the dollar amount.
The result is the cost of the item plus tax. Then, the total bill includes the cost, tax, and tip.
Tip left by customer = $1.30
Sales tax = 6%
Cost + tax = x
Tip = 6% of x
x = $21.67 ($1.30 ÷ 6%)
The total bill paid is $22.97 ($21.67 + $1.30).
Thus, using proportions, the restaurant customer paid $22.97, which includes the item cost, tax, and tip.
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Describe the features of the function that can be easily seen when a quadratic function is given
in the form: y=a(x − ℎ)^2 + and how they can be identified from the equation.
Please help
Answers
The function that can easily be seen when a quadratic function is given
in the form: y = a (x − ℎ)^2 + K are
the vertex of the parabolawhere the axis of symmetry of the parabola liesthe focus of the parabola the direction the curve opens toHow to get the required detailsA parabola is given in factored form when it is in the form
y = a (x − ℎ)^2 + K
the factored form can be rearranged
(y - k) = a (x − ℎ)^2
The vertex is v(h, k)
the axis of symmetry of the parabola when the parabola is written in the form as in the question is of the formula x = -b/2a.
this says that the axis of symmetry is a vertical line
the focus is given by f(h, k + 1/4a)
"a" curve opens up when a is positive and down when a is negative. when (x − ℎ) = a (y − k)^2, a opens left or right
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Help with another slope and intercept ?
Answers
Answer:
Slope = 1/3
Y-intercept = 0
Step-by-step explanation:
Hello!
Slope - Intercept Form: y = mx + b
m = slopeb = y-interceptThe slope is the coefficient before the x-variable. Which means that the slope would be 1/3.
The y-intercept is the constant term after the x-term. In this case, there is no term, so the y-intercept is 0.
Answer:
Slope: 1/3
y-intercept: 0
Step-by-step explanation:
y=mx+b
the coefficient (m) of x is always the slope, so therefore the slope is 1/3
the y-intercept (b) is not here in this equation, so the y-intercept is 0
1:
Give examples of two points that you could use to plot the graph of the function
f(x) = (3x³ + 2)/(x2-5).
Answers
The two points that could be used to plot the graph of the function (0, -0.4) and (-0.874, 0)
In this question, we have been given a function f(x) = (3x³ + 2)/(x^2-5).
We need to plot the graph of the function.
We find some coordinates of point on the graph of function.
For x = 0,
f(0) = (30³ + 2)/(0^2-5)
f(0) = 2/(-5)
f(0) = -0.4
For f(x) = 0,
0 = (3x³ + 2)/(x^2-5)
(3x³ + 2) = 0
3x³ = -2
x = -0.874
for x = 1,
f(1) = (3(1)³ + 2)/(1^2-5)
f(1) = 5/(1 - 5)
f(1) = 5/(-4)
f(1) = -1.25
The graph of function f(x) = (3x³ + 2)/(x2-5) is as shown below.
Therefore, the two points that could be used to plot the graph of the function (0, -0.4) and (-0.874, 0)
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3/1 divided by 3/4 in simplest form
Answers
Answer:
4
Step-by-step explanation:
3/1=3
hence 3/(3/4 )= 3 x4/3=4
Answer:
4
Step-by-step explanation:
keep switch flip
3/1 * 4/3 = 12/3 = 4
What is tan 30°?
1
60°
90°
√3
2
30°
OA. √2
B. √3
O C. √√3
OD. √3
2
O E 1
OF.
F. 7/3
Answers
The value of the given trigonometric function tan30° is equal to ( 1/ √3).
As given in the question,
In the given right angled triangle,
Let us consider triangle be ABC,
Measure of angle A = 30°
Measure of angle B = 90°
Measure of angle C = 60°
Side length BC = 1
Side length AB = √3
Now in triangle ABC,
Value of trigonometric function tan30° is given by:
tan 30° = (opposite side) / ( adjacent side)
⇒tan 30° = BC / AB
⇒tan 30° = 1 / √3
Therefore, the value of the given trigonometric function tan30° is equal to ( 1/ √3 ).
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secx - 2=0
(a) x= pi/3
Answers
Step-by-step explanation:
secx - 2=0
secx= 2
x= π/3
that's it
The x-values that satisfy the equation Sec(x) - 2 = 0 are x = π/3 and x = 5π/3.
To verify the given equation, we need to find the value(s) of x that satisfy the equation Sec(x) - 2 = 0.
Sec(x) represents the secant function, which is the reciprocal of the cosine function.
The equation can be rewritten as follows:
Sec(x) = 2
To find the solutions, we can take the reciprocal of both sides:
1 / Cos(x) = 2
Next, we can invert the equation to get the cosine function alone:
Cos(x) = 1/2
The cosine function has a value of 1/2 at two specific angles in the interval [0, 2π]: π/3 and 5π/3.
These angles correspond to the inverse cosine function (arccos), so we have:
x = arccos(1/2) = π/3 or x = arccos(1/2) + 2π = 5π/3
Therefore, the x-values that satisfy the equation Sec(x) - 2 = 0 are x = π/3 and x = 5π/3.
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There are 6 people who want to share 26 ride tickets for the carnival. Each person will get an equal number of tickets. How many tickets will each person get? How many tickets will be left over?
Answers
Answer:
4 tickets, 2 left over
Step-by-step explanation:
26/6=4.3333 round down to 4
4*6=24 so they can evenly split 24 tickets and will each get 4
26 tickets -the 24 they split evenly = 2 left over
Now we will calculate the actual probability that all randomly chosen student has a schedule that excludes music theory. We have found that the probability is given as
P=4C38C3
Express your answer as a fraction in simplest form.
Answers
The simplified probability that all randomly chosen student has a schedule that excludes music theory is given as follows:
p = 1/14.
How to calculate a probability?The probability of an event in an experiment is obtained as the number of desired outcomes of the experiment divided by the number of total outcomes of the experiment.
In the context of this problem, these numbers of outcomes are given as follows:
Desired outcomes: [tex]C_{4,3}[/tex]Total outcomes: [tex]C_{8,3}[/tex].The symbol [tex]C_{n,x}[/tex] represents the number of combinations of x elements that can be obtained from a set of n elements, and the combination formula is presented as follows:
[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]
Considering the formula presented above, the numeric values of the combinations are obtained as follows:
Desired outcomes: 4!/(3! x 1!) = 4.Total outcomes: 8!/(3! x 5!) = 56.Hence the simplified probability is of:
p = 4/56 = 1/14.
As the quotient of 56 and 4 is of 14.
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Each student in Mr. Jones's class has two standard number cubes. Each student records the number of rolls it takes until he or she rolls doubles. The results are shown on the dot plot. Based on the results, what is the probability of needing exactly 6 rolls to get doubles?
Answers
Answer:1/5
Step-by-step explanation:
it correct
Answer:
Step-by-step explanation:
Second part to the answer is 3/20
which expression includes a coefficient of 2?
A.
[tex]x {}^{2} - 5[/tex]
B. 4x + 2
C. 3(x+2)
D.
[tex]2x {}^{3} - 1[/tex]
Answers
Answer:
D
Step-by-step explanation:
The coefficient is the number before the varaible x.
A triangular region of a community college parking lot was measured. The measure of the first angle of this triangle is double the measure of the second angle. The measure of the third angle is 117° greater than double the measure of the first angle. What are the measurements of all three angles?
Answers
The value of the first angle is 18
The value of the second angle is 9
The value of the third angle is 153
What is a triangle?It is a two-dimensional figure which has three sides and the sum of the three angles is equal to 180 degrees.
We have,
Let the second angle be = x ____(1)
The measure of the first angle of this triangle is double the measure of the second angle.
This means,
First angle = 2x _____(1)
The measure of the third angle is 117° greater than double the measure of the first angle.
This means,
Third angle = 117 + 2(2x) = 117 + 4x _____(3)
From (1) (2) and (3) we get,
x + 2x + 117 + 4x = 180
7x + 117 = 180
7x = 180 - 117
7x = 63
x = 9
The value of first angle is 2x = 2 x 9 = 18
The value of the second angle is x = 9
The value of third angle is 117 + 4x = 117 + 4 x 9 = 117 + 36 = 153
Thus,
The value of the first angle is 18
The value of the second angle is 9
The value of the third angle is 153
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The shoe sizes of a group of middle school girls are shown.
5.5 6 7 8.5 6.5
6.5 8 7.5 8 5
If a shoe size of 9.5 is added to the data, how does the median change?
Answers
Answer: 7
Step-by-step explanation:
Median is the middle number of a data set.
You need to first start off with listing the shoe sizes in numerical order:
5, 5.5, 6, 6.5, 6.5, 7, 7.5, 8, 8, 8.5, 9.5
You have a total of 11 numbers in the set, so you can choose the sixth number in the set, which is 7.
So, 7 is the median number.
The median of current data is 6.5 while by adding 9.5 to the data group the median changes to 6.75.
What are the mode and median?Mode is the highest frequency number while the median is the middle value of a data set after writing in either an increasing or decreasing manner.
For example;
Set { 1,2,2,3,4,5,6} here mode is 2 and median is 3.
As per the given data,
5.5, 6, 7, 8.5 6.5,6.5, 8, 7.5, 8 5
Write the above data in increasing order,
5,5.5,6,6.5,6.5,7,7.5,8,8.5
The median is the middle value thus, 6.5 will be the median.
Now let's add 9.5 to the data group,
5,5.5,6,6.5,6.5,7,7.5,8,8.5,9.5
Now we have two middle values 6.5 and 7
Median = (6.5 + 7)/2 = 6.75
Hence "The median of current data is 6.5 while by adding 9.5 to the data group the median changes to 6.75".
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Angles A and B are supplementary. Determine the measure of angle A if the measure of angle B is 126.4°.
Answers
The measure of angle A is 53.6° if angle A and angle B are supplementary angles.
According to the question,
We have the following information:
Angles A and B are supplementary.
Measure of angle B = 126.4°
We know that when two angles are supplementary then it means that the sum of these angles will be 180°.
So, we have the following expression:
Angle A + angle B = 180
Angle A+126.4 = 180
Subtracting 126.4 from both the sides of the equation:
Angle A = 180-126.4
Angle A = 53.6°
Hence, the measure of angle A is 53.6° if angle A and angle B are supplementary.
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Please help! Thanks in advance
Answers
Answer:
D
Step-by-step explanation:
Would be the answer:))))))))))
Which is the line x = y?
A, B, C, or D?
Answers
Answer:
The correct answer is: C
The volume of 10 drops of a liquid is 0.001 fluid ounces.
What is the volume of 10,000 drops?
Answers
Answer:
10
Step-by-step explanation:
You take 10,000 and divide it by 10 leaving 1,000. Then, you multiply 1,000 by 0.001 resulting in 10.
NEED ASAP PLSSSS
The arc length of this circle is 9.42 inches. Determine the length of the radius.
Complete your work in the space provided.
Answers
The length of radius of the given circle is equivalent to 6
Calculating length of an arcA circle's arc is referred to as a portion or section of its circumference. A chord of a circle is a straight line that can be formed by joining the arc's two ends.
The formula for calculating the length of an arc is expressed as:
L = rФ
where
r is the radius of the circle
Ф is the angle subtended.
Given the following parameters
L = 9.42
Ф = π/2
Determine the radius
r = L/Ф
r = 9.42/(π/2)
r = 2(9.42)/(π
r = 6
This gives the length of the radius of the circle.
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