A percentage in mathematics is a number or ratio that can be expressed as a fraction of 100.
The percent of the given number 26 % of 500 is 130.
What is meant by percentage?A percentage in mathematics is a number or ratio that can be expressed as a fraction of 100. The term percent comes from the Latin "per centum" which means per hundred. The symbol percentage is used to represent percentage.
Let the equation be 26 % of 500
Percentage = (value/total value) × 100 %.
Since, finding the fraction of a number is same as multiplying the fraction with the number, we have
26 % of 500 = 26/100 of 500
26/100 × 500 = 130
Therefore, the percent of the given number 26 % of 500 is 130.
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Choose an equation for the relationship between the measures of the angles and arcs.
1 and the intercepted arcs and ________.
m1 = (m + m)
m1 = (m - m)
m1 = m + m
The expression that relates the measure of <1 and arcs QP and arcSP is expressed as m<1 = 1/2(arcQR+arcSP)
Circle theoremWhen two chords intersect inside a circle, the angle formed is half of the sum of the subtended arcs.
From the given diagram, the intercepted arcs are arcQR and arcSP and the measure of the interior angle is <1.
Using the theorem above, the expression that relates the measure of <1 and arcs QP and arcSP is expressed as:
m<1 = 1/2(arcQR+arcSP)
The measure of the angle <1 is equivalent to half the sum of arcQR and arcSP.
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By rounding to 1 significant figure, estimate
174.2 x 23.46
162.9 x 10.73
By rounding to 1 significant figure is 2.
What is significant figures ?Significant figures are the number of digits in a value, often a measurement, that contribute to the degree of accuracy of the value The first non-zero digit is where we start counting significant figures. The first non-zero digit of a number is considered the first significant figure when counting significant figures. The second digit is considered the second significant figure, and so on. The decimal point may be followed by a significant figure to the left or right of it.
Given: ([tex]\frac{(174.2 × 23.46)}{162.9 × 10.73}[/tex])
174.2 × 23.46 = 4086.732
162.9 × 10.73 = 1747.917
[tex]\frac{4086.732}{1747.917}[/tex] = 2.338 (approx)
= 2 ( rounding to 1 significant figure )
Hence the rounding to 1 significant figure is 2.
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Triangles ABC and DEF are mathematically similar.
A
9 cm
6/44
B
The area of triangle ABC is 34 cm².
Calculate the area of triangle DEF.
A
F
13.5 cm
E
Triangles ABC and DEF are mathematically similar. The area of triangles ABC is 34cm^2. Calculate the area of triangle DEF from the picture.
The required Area of Triangle DEF is 51cm square.
Given that,
The triangles ABC=DEF
Then, height of ABC= height of DEF
By the given picture we have
CB = 9cm
FE =13.5cm
Area of ABC= 34cm square
According to the question,
The area of a triangle= [tex]\frac{1}{2}[/tex] × base × height,
Again, Area of ABC = [tex]\frac{1}{2}[/tex] × base × height= 34cm square
= [tex]\frac{1}{2}[/tex] × 9cm × height= 34cm square
= [tex]\frac{9}{2}[/tex] cm × height= 34cm square
= Height= [tex]\frac{34cmsquare}{\frac{9}{2} }[/tex]
= Height = [tex]\frac{68}{9}[/tex]cm.
The height of the triangle ABC is [tex]\frac{68}{9}[/tex]cm.
Therefore,
Area of DEF = [tex]\frac{1}{2}[/tex] × base × height
= [tex]\frac{1}{2}[/tex] × 13.5cm × ([tex]\frac{68}{9}[/tex])cm
= 51cm square
Therefore, the Area of Triangle DEF is 51cm square.
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Type the correct answer in the box. Use numerals instead of words.The graphs of functions fand g are shown.Function g is defined as g(x)
= k f(x). What is the value of K?
Answer:
k = 1
This is because when g(x) = 8, f(x) = 8
and when g(x) = 2, f(x) = 2
and this continues throughout the graph
what statement best defines an angle
what does ^3^ mean
please i dont know
Step-by-step explanation:
it looks like a smiley face
what value of X makes this equation true? -9x+15=3(2-x)
Answer:
3/2
Hope this helps <3
Answer:
Step-by-step explanation:
Equation
-9x+15=3(2-x) Remove the brackets.
Solution
-9x + 15 = 6 - 3x Add 9x to both sides
-9x+9x + 15 = 6 - 3x + 9x Combine
15 = 6 + 6x Subtract 6 from both sides
15 - 5 = 6 -6 + 6x Combine
10 = 6x Divide by 6
10/6 = 6x/6
Answer
x = 1 2/3 or 1.66666 ...
Draw ΔX Y Z and find the slope of each side of the triangle. Determine whether the triangle is a right triangle. Explain. X(0,0), Y(1, h), Z(2 h, 0)
A right-angled triangle is a triangle whose two adjacent sides form a right-angle triangle between them. The given triangle is a right-angled triangle.
What is a right-angle triangle?A right-angled triangle is a triangle whose two adjacent sides form a right-angle triangle between them.
The slope of the sides of the triangle can be written as,
The slope of XY = (2h - 0)/(2h - 0) = 1The slope of YZ = (0-2h)/(4h - 2h) = -2h/2h = -1The slope of XZ = (0 - 0)/(4h - 0) = undefined, therefore, the line will be horizontalThe given triangle is a right-angle triangle because the slope of the two lines is 1 and -1, whose product is -1. Therefore, the two lines are perpendicular to each other.
Hence, the given triangle is a right-angled triangle.
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4 1/5 divided 2 3/5
7 1/2 divded 6 2/3
6 1/2 divded by 1/2
1 1/5 divded 1 2/5
1 2/3 divded 5
6 divded by 1 1/5
5 2/5 divded 1 1/5
HELP ME PLEASE THNX THNXIREFJJFOEEO
A fraction represents a part by whole.4 1/5 divided 2 3/5 is 21/13,7 1/2 divded 6 2/3 is 9/8,6 1/2 divded 1/2 is 13, 1 1/5 divded 1 2/5 is 6/7,1 2/3 divded 5 is 1/3,6 divded by 1 1/5 is 5,5 2/5 divded 1 1/5 is 27/6.
What is fraction?
A fraction represents a part by whole.
4 1/5 divided 2 3/5
=(21/5)/(13/5)=21/13
7 1/2 divded 6 2/3
=(15/2)/(20/3)=15/2*3/20=9/8
6 1/2 divded 1/2
=(13/2)/(1/2)=13
1 1/5 divded 1 2/5
=(6/5)/(7/5)
=6/7
1 2/3 divded 5
(5/3)/5/1
=5/3*1/5=5/15=1/3
6 divided by 1 1/5
6/(6/5)=6/1*5/6
=5
5 2/5 divded 1 1/5
=27/5/6/5
=27/6
Therefore 4 1/5 divided 2 3/5 is 21/13,7 1/2 divded 6 2/3 is 9/8,6 1/2 divded 1/2 is 13, 1 1/5 divded 1 2/5 is 6/7,1 2/3 divded 5 is 1/3,6 divded by 1 1/5 is 5,5 2/5 divded 1 1/5 is 27/6.
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Find the sum of pair of vectors. < 13,-4 > + <-11,9>
The given statement states that the sum of two vectors is = (2 , 5).
What specifically is vector addition?Vector addition is the process of joining two or maybe more vectors to get a vector sum. The parallelogram law specifies the rules for adding and multiplying two or more vectors. When eigenvectors are aligned head to tail, this same vector total is calculated by drawing the same vector from the free tail to the free head.
According to the given data:Given two vectors are:
a =(13,-4 )
b = (-11,9)
The vector sum is,
M = [a1 + b1, a2 + b2]
= (Mx, My).
Substitution of the value we get:
M = (13 + (-11), (-4) + (9))
= (2 , 5)
The given statement states that the sum of two vectors is = (2 , 5).
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The students in the astronomy club are selling snacks to raise money for a planetarium field trip. If they sell x muffins at $0.35 apiece and y bags of carrot sticks at $0.15 apiece, the total number of dollars raised will be T = 0.35x + 0.15y. How many dollars will they raise if they sell 210 muffins and 120 bags of carrot sticks?
Answer:
$91.5
Step-by-step explanation:
muffins: 210 carrot sticks:120
T= 0.35x + 0.15y (replace x as no. of muffins & y as no. of carrot sticks)
T= (0.35×210) + (0.15×120)
T= 73.5 + 18
T= 91.5
Which inequality is equivalent to I x-4 I <9
(B) –9 < x – 4 < 9 inequality is equivalent to Ix-4I <9.
What is inequality?Inequality is a statement of an order relationship between two numbers or algebraic expressions (greater than, greater than, or equal to, less than, or less than or equal to). Inequality is defined as a difference in size, amount, quality, social position, or another factor. Inequality occurs when you have ten of something and someone else has none. (mathematics) A statement stating that one quantity is less than (greater than) another.So, Ix-4I <9:
|x-4|<9 ⇒ -9 < x-4 < 9-5 < x < 13Therefore, (B) –9 < x – 4 < 9 inequality is equivalent.
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The complete question is given below:
Which inequality is equivalent to I x-4 I <9?
A –9 > x – 4 < 9
B –9 < x – 4 < 9
C x – 4 < –9 or x – 4 < 9
D x – 4 > –9 or x – 4 < 9
A dishwasher is priced at $475 there are two options offered to reduce the price either a 15% discount off the price or a rebate of $75 which is the better choice and what is the extra amount saved
Answer:
The better choice is a rebate of $75. You would save $3.75 more.
On the Math SAT, men have a distinct edge. In 2005, for instance, the men averaged about 538, and the women averaged about 504. You may assume (i) the histograms followed the normal curve, and (ii) both SDs were about 120. Estimate the percentage of men getting over 700 on this test in 2005.
The percentage of men getting over 700 on this test in 2005 is 8.85%.
How to calculate the value?It should be noted that based on the information illustrated, the percentage will be calculated thus:
= P(X - 538/120) > (700 - 538/120)
= P(Z > 1.35)
= 1 - P(Z <= 1.35)
Using normal table
= 1 - 0.9115
= 0.0885
Therefore, the percentage of men getting over 700 on this test in 2005 is 8.85%.
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Determine whether each list is a sequence or a series and finite or infinite. 4/3, 7/3, 10/3, 13/3,16/3, . . . . . .
From the list of numbers presented:
4/37/310/313/316/3we can determine that this is a infinite serie.
What are sequences?A sequence is an order of elements that are governed by a pattern, that is, it has variations between each element that remain constant and allow us to determine values before or after the known elements.
A sequence maintains an order, and this numerical order can be finite or infinite, in the given case we have the following list:
4/3, 7/3, 10/3, 13/3, 16/3
(4 + 3(x - 1))/3 = (4 + 3x - 3)/3 = (1 + 3x)/3(1 + 3*1)/3 = 4/3(1 + 3*2)/3 = 7/3(1 + 3*3)/3 = 10/3(1 + 3*4)/3 = 13/3(1 + 3*5)/3 = 16/3(1 + 3x)/3
In this series we have the initial value of the same, but we do not know the final value, although we know its behavior, we can say that this series has no end, it is an infinite serie.
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Find the missing term(s) of each arithmetic sequence. 1, □, 9,. . . . .
Missing term i.e., the second term of the sequence is 5.
As the series is in an arithmetic sequence, so we have an equation
[tex]a_{n}[/tex] = a +(n-1)d
Where a = first number of the series
n = number of term
d= common difference
As we know the 3rd term of the sequence, so by this we can find the common difference.
So we have,
9 = 1 +(3-1)d
8=2d
d=4
common difference = 4
Now we have to find the 2nd term or the missing term of the sequence, so we have
[tex]a_{2}[/tex] = 1 +(2-1)4
= 1+ 1×4
= 1+4
= 5
Therefore the 2nd term is 5.
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There are 130 people in a sport centre. 73 people use the gym. 62 people use the swimming pool. 58 people use the track. 22 people use the gym and the pool. 29 people use the pool and the track. 25 people use the gym and the track. 11 people use all three facilities. how many people use at least two facilities? check skip do not use a calculator get help report a mistake to hegartymaths on-screen keypad on off 789qwertyui
Using Venn diagram, out of the 130 people in the sport center, 54 people use at least two facilities.
Venn diagram is a diagram used to present the relationship between sets in a logical form. (See attached image)
Let n = number of people who use at least two facilities
A = people who use the gym = 73
B = people who use the swimming pool = 62
C = people who use the track = 58
A ∩ B = 22
B ∩ C = 29
A ∩ C = 25
A ∩ B ∩ C = 11
n = (A ∩ B - A ∩ B ∩ C) + (B ∩ C - A ∩ B ∩ C) + (A ∩ C - A ∩ B ∩ C) + A ∩ B ∩ C
n = (22 - 11) + (29 - 11) + (25 - 11) + 11
n = 11 + 18 + 14 + 11
number of people who use at least two facilities = 54
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Tisha's class is having a gift exchange. Tisha will draw first and her friend Brandi second. If there are 18 students participating, what is the probability that Brandi and Tisha draw each other's names?
According to the question, in the gift exchange event. Tisha draws first gift and her friend Brandi second gift.
The total number of participating students is [tex]18[/tex].
To calculate the probability that Brandi and Tisha draw each other’s name is as follows:
Using conditional probability, the solution is as follows:
[tex]P(E) = \frac{1}{18}\frac{1}{17} = \frac{1}{306} = 0.3%[/tex]
The calculated percentage is [tex]0.3[/tex].
What is Probability?
The term probability means the study of the occurrence or the outcomes of the event. It is the measurement of the events that occurred during events. And many uncertain events cannot be measured.
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Samra's guardians invested money for her into a 529 College Savings Plan, which compounds annually. The growth of the savings plan per year, x, can be represented by the exponential function f(x) = 500(1.03)x. What is the meaning of the y-intercept in the context of the problem?
A. The percent rate of change is 500%.
B. The initial value of the investment is $500.
C. The principal amount put into the savings plan is $1.03.
D. The average rate of change that is occurring is 1.03.
In the context of this problem, the meaning of the y-intercept is: D. The average rate of change that is occurring is 1.03.
What is the average rate of change?The average rate of change can be defined as a type of function that describes the average rate at which a quantity decreases or increases with respect to another quantity.
In Mathematics, the y-intercept of any graph occurs at the point where the value of "x" is equal to zero (0). Similarly, the x-intercept refers to the point at which the graph of a function crosses the x-axis and the value of "y" is equal to zero (0).
In the context of this problem, we can reasonably infer and logically deduce that the meaning of the y-intercept is the average rate of change that is occurring is 1.03 while 500 represents the initial investment.
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Explain what it means for a sequence to be an arithmetic sequence.
Any sequence is termed as the arithmetic sequence when the common difference between two consecutive values are same.
What is the sequence of AP arithmetic progression?In Arithmetic Progression, the difference between the two numerical orders is a fixed value (AP). Arithmetic Sequence is another name for it.
We'd come across a few particular words in AP that had been labeled as:
The first term (a)Common difference (d)Term nth (an)The total of first n terms (Sn)As shown below, the AP can also be defined in concepts of common differences.
The following is the procedure for evaluating an AP's n-th term: an = a + (n − 1) × dThe arithmetic progression sum is as follows: Sn = n/2[2a + (n − 1) × d].Common difference 'd' of an AP: d = a2 - a1 = a3 - a2 = a4 - a3 = ...... = an - an-1.Now, for the given question;
Let the initial term be 'a₁'.
Let the second term be 'a₂'.
Let the third term be 'a₃'.
And, consider the fourth term as 'a₄'.
The AP must have the equal common difference. So,
d = a₃ - a₂ or d = a₄ - a₃
When the value of the common difference 'd' is found same in any of the cases, it said to form an AP.
Therefore, for the sequence to be an arithmetic sequence in common difference must be equal.
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Find the sum of each finite series. Σ⁵ n=1(2 n-1)
The sum of the given finite series is 25
The summation notation means that we have to add the terms of the given series with n moves from the lower limit to the upper limit.
The given series is:
[tex]\sum\limits^5_{n=1} {(2n-1)}[/tex]
In this series, the lower limit is n = 1 while the upper limit is n=5.
n = 1 ⇒ 2n - 1 = 2(1) -1 = 1
n = 2 ⇒ 2n - 1 = 2(2) -1 = 3
n = 3 ⇒ 2n - 1 = 2(3) -1 = 5
n = 4 ⇒ 2n - 1 = 2(4) -1 = 7
n = 5 ⇒ 2n - 1 = 2(5) -1 = 9
Hence,
[tex]\sum\limits^5_{n=1} {(2n-1)}=1+3+5+7+9[/tex]
We can evaluate the sum of the series directly, or by using the sum formula as follow:
S(n) = n/2 [a(1) + a(n)]
Substitute n = 5, a(1) =1, and a(n) = 9:
S(5) = 5/2 (1 + 9) = 25
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if 0 < x < 90 degrees and sin sin x = 5/13, what is tan x?
Step-by-step explanation:
If cos x = 5/13 and x is between 0 and 90 degrees, since we know that tan2x = sin2x/cos2x = (2 sinxcosx)/(cos^2x - sin^2x) and we are dealing with a 5-12-13 right triangle,
tan (2x) = 2(12/13)(5/13)/((5/13)^2 - (12/13)^2) = (2*12*5/13^2) / (25/13^2) - (144/13^2)= 120/(-119)= -1.008403
Solve y3 = −8.
please helpp
Answer:
-2
Step-by-step explanation:
Cube root of eight is 2
y= -2
Simplify each expression.
(9/-3) - 2
(9/-3) - 2
= (-3)(-2)
= -6
What is algebraic equation?
An algebraic equation or polynomial equation is an equation of the frame P=0 where P could be a polynomial with coefficients in a few fields, regularly the field of the rational numbers.
algebraic equation, a statement of the equality of two expressions defined by applying to a set of factors the algebraic operations, namely, expansion, subtraction, increase, division, raising to a control, and extraction of a root.
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Kevin is 6 years older than Timothy. 4 years ago, Kevin was twice as old as Timothy. Find their present ages.
Answer:
k=12
t=8
Step-by-step explanation:
two equations from the question
1 k=t+6
2 (k-4)=(t-4)×2
develop these
3. k-4=2t-8
4. 2 times first equation
2k=2t+12
subtract 4 from 3
-k-4=-20
k=16
sub back in
t=10
in the figure below, B is between A and C and C is between B and D. if BC=4, BD=12, and AD=15 and AC
For the given values, the value of line AC has a value of 7 units.
What kinds of lines are there?There are two subsets of lines: line segments with two end points and rays with one beginning point and an infinite length on the other side, each symbolized by an arrow.
A line with several segments is provided in accordance with the supplied figure.
Segment BC equals 4, Segment BD equals 12, Segment AD equals 15, and Segment AC must be located.
Since, AC = AB + BC.
(AD - BD) Plus BC Equals AC.
AC = ( 15 - 12 ) + 4.
AC = 3 + 4
AC = 7.
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Complete Question -
in the figure below, B is between A and C and C is between B and D. if BC=4, BD=12, and AD=15 and AC
Brian has $24 worth of pizza delivered to his house. He pays the bill plus a 15% tip and 7% sales tax. He also pays a 3$ delivery fee that is charged after the tax and tip how much change does he receive, if he pays with two $20 bills?
Pizza costing $24 is being delivered to Brian's home. The change $7.72 he get if he uses two $20 bills as payment.
Given that,
Pizza costing $24 is being delivered to Brian's home.
He pays the amount in addition to the 7% sales tax and 15% tip.
In addition, he pays the delivery price of $3, which is added on after tax and tip.
We have to find how much change does he get if he uses two $20 bills as payment.
To figure out the sales tax
$24×0.07=$1.68
To figure out the tip
$24×0.15=$3.6
The Total cost=$24+$1.68+$3.6+$3=$32.28
Now, To find change we have to add the Total cost and the bill
Change=2($20)-$32.28
Change=40-32.28
Change=$7.72
Therefore, The change $7.72 he get if he uses two $20 bills as payment.
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Evaluate each expression 10+8^3 divid 16
Answer:
42
Step-by-step explanation:
= 10+8^3/16
= 10+512/16
= 10+32
= 42
Oscar wants to rent a boat. Boats 4 Less charges a fee of $100 and $35 per hour after that. Boats-R-Us doesn't charge a fee but charges $50 per hour. If Oscar wants to rent the boat for 8 hours, which rental company should he use and why?
(P.S. This has to do with Linear Equations so figure out which form to use Point-Slope From, Slope Intercept Form or Standard Form)
The rental company to hat Oscar should use is the second company because it's cheaper.
How to illustrate the information?The total amount charged for the first boat will be:
= 100 + 35h
where h = number of hours
= 100 + 35(8)
= 100 + 260
= $360
The amount charged for the second company will be:
= 50 × 8
= 400
Therefore, the rental company to hat Oscar should use is the second company because it's cheaper.
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Find the slope of the line that passes through the two points. (1,3) and (4,9)
The slope passing through the two given two points (1,3) and (4,9) is 2.
What is meant by the slope of the line?The slope of a line is a measurement of its steepness and direction.
A line's slope is defined like a change in y coordinate with respect to a change in x coordinate.
The net y coordinate change is Δy, whereas the net x coordinate change is Δx. As a result, the change in y coordinate in relation to the change in x coordinate could be written as,m = Δy/Δx
where,m is the slope
Where, tan θ = Δy/Δx
This tanθ is also known as the line's slope.
A line's slope can be determined by calculating using two points just on straight line. We can use the slope of line formula with the coordinates of a two points.
Consider the coordinates of those 2 points,
P1 = (x₁, y₁)
P2 = (x₂, y₂)
Then slope will become;
Slope = m = tan θ = (y₂ - y₁)/(x₂ - x₁)
Now, as per the given question;
(x₁, y₁) = (1,3) and,
(x₂, y₂) = (4,9)
Substitute the values in the formula of the slope;
m = (9 - 3)/(4 - 1)
m = 6/3
m = 2.
Therefore, the slope of the line passing through the stated points is found to be 2.
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