Given:
Surveyed Sample = 500 students
Number of students who listen to music = 300
The probability of students that listens to music is given by the formula:
[tex]pr\text{ =}\frac{number\text{ of students that listen to music}}{Total\text{ number of student}}\text{ =}\frac{300}{500}[/tex][tex]pr\text{ = }\frac{3}{5}[/tex]In a sample of 1500 students, to find the probable number of students that will listen to music
we will multiply the probability we obtained initially by the sample space
=>
[tex]\begin{gathered} \frac{3}{5}\text{ x 1500} \\ \\ \frac{4500}{5} \\ \\ =900 \end{gathered}[/tex]It is likely that 900 students will listen to music while studying
Which is the smallest ratio? 2 3 to 4, 3, 10:12, 2 to 1 03 to 4 em O 10:12 2 to 1
Answer:
2/3
Explanation
Given the following:
3 to 4, 2/3, 10:12 and 2 to 1
First let us express them as percentage. The smallest percentage will be the smallest ratio;
3 to 4 = 3/4 * 100
3 to 4 = 75%
2/3 = 2/3 * 100
2/3 = 66.7 %
10:12 = 10/12 * 100
10:12 = 1000/12
10:12 = 83.3%
2 to 1 = 2/1 * 100
2 to 1 = 200%
Since the lowest percent id 66.7%, hence the smallest ratio will be 2/3
3. Evaluate:
Suppose you want to buy something for $60, and you have
$15 saved up so far. Then your grandmother calls and says she
will chip in for your purchase. She doesn't tell you the amount
of money she will give you yet, so you just consider it x
dollars. Write the expression that represents the equation.
The expression that represents the equation is x + 15 = 60
The total money needed to buy something is $60
And the saved up amount is $15
The amount of money that the Grandmother contributes is x
The saved up amount and the grandmothers contribution is equal to the total amount required to purchase
We need to write the expression that represents the equation.
x + 15 = 60
Therefore, the expression that represents the equation is x + 15 = 60
To learn more about algebra refer here
https://brainly.com/question/4344214
#SPJ9
Nicole wants to buy a car for his brother. Nicole calculates the amount of the car as $121.80. The actual price of car is $100. What is the cars percent error?
Percent error of the car with actual value of $100 and expected value of the car is $121.80 is equal to 17.898%.
As given in the question,
Expected amount calculate by Nicole to buy a car = $121.80
Actual price of a car is equal to $100
To calculate a percent error we have,
Percent error = | (Actual value - Expected value ) / Expected value | × 100
= | ( 100 - 121.80 ) / 121.80| × 100
= | -21.80/ 121.80 | × 100
= | -0.17898 | × 100
= 17.898% error
Therefore, percent error of the car with actual value of $100 and expected value of the car is $121.80 is equal to 17.898%.
Learn more about percent error here
brainly.com/question/29391576
#SPJ1
I need help on this assignment question
An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
The value of x is 0.0036
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
1.7 x [tex]10^{8}[/tex] / 12 = 5.1 x [tex]10^{4}[/tex] / x
Multiply x on both sides.
(1.7 x [tex]10^{8}[/tex])x / 12 = 5.1 x [tex]10^{4}[/tex]
Multiply 12 on both sides.
(1.7 x [tex]10^{8}[/tex])x = 12 x 5.1 x [tex]10^{4}[/tex]
Divide 1.7 x [tex]10^{8}[/tex] on both sides.
x = (12 x 5.1 x [tex]10^{4}[/tex]) / (1.7 x [tex]10^{8}[/tex])
x = 36 x [tex]10^{4 - 8}[/tex]
x = 36 x [tex]10^{- 4}[/tex]
x = 36/10000
x = 0.0036
Thus,
The value of x is 0.0036
Learn more about expressions here:
https://brainly.com/question/3118662
#SPJ1
What is 39/75 simplified into its smallest fraction
Answer:13/25
Step-by-step explanation:
Need help with this graphing and W X and Y
Answer:
W'(1,0), X'(2,2), and Y'(4,-3)
Explanation:
In the graph, the coordinates of the vertex of triangle WXY are:
• W(-5, 2)
,• X(-4, 4)
,• Y(-2, -1)
After a translation by the rule below:
[tex](x,y)\to(x+6,y-2)[/tex]The coordinates of the image W'X'Y' are calculated below:
[tex]\begin{gathered} W(-5,2)\to(-5+6,2-2)=W^{\prime}(1,0) \\ X(-4,4)\to(-4+6,4-2)=X^{\prime}(2,2) \\ Y(-2,-1)\to(-2+6,-1-2)=Y^{\prime}(4,-3) \end{gathered}[/tex]The coordinates of the image are W'(1,0), X'(2,2), and Y'(4,-3).
Question 3 Part B (2.02, 2.04): The table of values represents a linear function
(x), where x is the number of weeks that have passed and g(x) is the balance
n the bank account.
Write the equation of the line in point slope form (1 point):
Write the equation of the line in slope-intercept form (1 point):
Write the equation of the line in standard form (1 point):
X
0
5
10
g(x)
$1,250
$750
$250
The point slope form is [tex]y-1250=-100x[/tex]. The slope intercept form is [tex]y=-100x+1250[/tex]. The standered form of line is [tex]100x+y=1250[/tex].
What is equation of line?
The algebraic form of representing set of points is known as the equation of line.
The point slope form is as follows:
[tex]y-y_{1}=m(x-x_{1})[/tex] ... (1)
Here, [tex]y_{1}[/tex] is [tex]y[/tex] co-ordinates, [tex]x_{1}[/tex] is [tex]x[/tex] co-ordinates, and [tex]m[/tex] is the slope.
Also, slope is given by the following expression:
[tex]m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}[/tex]
Hence, equation (1) can be written as follows:
[tex]y-y_{1}=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}(x-x_{1})[/tex] ... (2)
Consider the following points:
[tex](g(x_{1}),x_{1})=(1250,0)\\(g(x_{2}),x_{2})=(750,5)[/tex]
substitute values in equation (2).
[tex]y-1250=\frac{750-1250}{5-0}(x-0)\\y-1250=-100x[/tex]
On comparing the above equation with equation (1), the value of slope [tex]m=-100[/tex]
Now, calculate the slope intercept form.
The following form is known as the slope intercept form:
[tex]y=mx+c[/tex]
Here, [tex]c[/tex] is the [tex]y[/tex] intercept that the value of [tex]y[/tex] when [tex]x=0[/tex] .
Substitute the value of slope that is -100 and value of g(x) when x =0 that is 1250 for [tex]c[/tex] in the above equation.
[tex]y=-100x+1250[/tex] ... (3)
Standered form of a line is as follows:
[tex]Ax+By=C[/tex]
Here, A,B, and C are integeres.
Rearrange equation (3) as follows:
[tex]y=-100x+1250\\100x+y=1250[/tex]
Hence, the point slope form is [tex]y-1250=-100x[/tex]. The slope intercept form is [tex]y=-100x+1250[/tex]. The standered form of line is [tex]100x+y=1250[/tex].
Learn more about the equation of line from the following link:
https://brainly.com/question/18831322
#SPJ13
Answer:
Step-by-step explanation:
The amounts of plastic waste generated in a region during two years were 32,400,000 tons and 20,300,000 tons. What was the total plastic waste generated over these two years in the region, expressed in scientific notation? (5 points)
a
52.7 ⋅ 1014 tons
b
52.7 ⋅ 107 tons
c
5.27 ⋅ 107 tons
d
5.27 ⋅ 1014 tons
The correct option is C that is 5.27x10⁷ tons as represented by scientific notation that says, "A method of expressing numbers in terms of a decimal number between 1 and 10 multiplied by a power of 10".
What is scientific notation?Numbers that are either too large or too small to be conveniently written in decimal form can be expressed using scientific notation. It is also known as standard form in the UK and scientific form, standard index form, and standard form. Using scientific notation, one can express extremely large or extremely small numbers. When a number between 1 and 10 is multiplied by a power of 10, the result is represented in scientific notation. Due to its shorter length, increased efficiency, and straightforward magnitude indication, it is particularly helpful when expressing extremely large or extremely small numbers. Every real number can be expressed as the product of an integer power of ten and a decimal part.
Here,
32,400,000+20,300,000
The sum will be,
52,700,000 tons
In scientific notation,
5.27*10⁷ tons.
According to scientific notation that reads, "A method of expressing numbers in terms of a decimal number between 1 and 10 multiplied by a power of 10," the correct option is C, which is 5.27x10⁷ tons.
To know more about scientific notation,
https://brainly.com/question/16936662?referrer=searchResults
#SPJ1
Naomi opened a savings account 7 years ago. the account earns 8% interest compounded monthly if the current balance is 1,000.00 how much did she despoit initially
Determine if the problem is done correctly AND explain your reasoning. If the problem is correct then explain the steps that were taken. If the problem is incorrect then explain what the mistake made was and what the correct solution should be. 1) Divide using the reverse tabular method: x - x? - 8x + 12 x + 3 x 4x 4 34 x² - 4x²/4x -X² 4341-12x 12 -12 - 8x Х 3 2. x?-4x+4
the answer is correct
we have to check that if we operate the numbers that are inside the box we get the numerator
[tex]x^3+3x^2-4x^2-12x+4x+12[/tex][tex]x^3+x^2-8x+12[/tex]Two different squares have an areas of 36m° and 49m°
What is the difference of the lengths of their sides?
The difference of the length of two different squares having area of 36 square meters and 49 square meters is 1 m.
According to the question,
We have the following information:
Two different squares have an area of 36 square meters and 49 square meters.
We know that the following formula is used to find the area of square:
Area = side*side
Side*side = 36
Side = √36
Side = 6 m
Now, side of the another square:
Side*side = 49
Side = √49
Side = 7 m
Now, the difference in the length of the sides of these two squares:
7-6
1 m
Hence, the difference of the length of two different squares having area of 36 square meters and 49 square meters is 1 m.
To know more about difference of the length here
https://brainly.com/question/20750630
#SPJ1
Determine which numbers are in the given interval.-00,last option 1/2.
A number x is in a given interval (a,b) if it satisfies the following inequalities:
[tex]\begin{gathered} x>a, \\ xNotice that:1)
[tex]\begin{gathered} -\frac{9}{2}>-\infty, \\ -\frac{9}{2}=3\cdot(-\frac{3}{2})<-\frac{3}{2}\text{.} \end{gathered}[/tex]Therefore -9/2 is in the given interval.
2)
[tex]\begin{gathered} -1>-\infty, \\ -1=-\frac{2}{2}>-\frac{2}{2}-\frac{1}{2}=-\frac{3}{2}\text{.} \end{gathered}[/tex]Therefore -1 is not in the given interval.
3)
[tex]\begin{gathered} -\frac{3}{2}>-\infty, \\ -\frac{3}{2}=-\frac{3}{2}\text{.} \end{gathered}[/tex]Therefore -3/2 is not in the given interval.
4)
[tex]\begin{gathered} \frac{1}{2}>-\infty, \\ \frac{1}{2}>0>-\frac{3}{2}\text{.} \end{gathered}[/tex]Therefore 1/2 is not in the given interval.
Answer:
[tex]undefined[/tex]What are the domain and range of g(x) = −4?
Answer:
look at attached image!
Step-by-step explanation:
What type of correlation intensity exists between these two variables (weak, moderate, strong)?
Answer:
As a rule of thumb, a correlation greater than 0.75 is considered to be a “strong” correlation between two variables. However, this rule of thumb can vary from field to field. For example, a much lower correlation could be considered strong in a medical field compared to a technology field.
Step-by-step explanation:
Solve log^6 (x + 1) + log^6 (x – 1) = 2.
I need to find x. if m
Given:-
[tex]\angle BCD=51[/tex]To find the value of x.
Since the corresponding opposite angles are equal and also the sum of angles inside a triangle is 180 degrees. we get,
[tex]\begin{gathered} 14x+4+55+51=180 \\ 14x+110=180 \\ 14x=180-110 \\ 14x=70 \\ x=\frac{70}{14} \\ x=5 \end{gathered}[/tex]So the required value of x is 5.
What did I do wrong? Need help with this equation
Solve the system
[tex]\begin{bmatrix}y=4x-8 \\ y=2\mleft(x-3\mright)^2-2\end{bmatrix}[/tex]Subtract the equations
[tex]\begin{gathered} y-y=4x-8-\mleft(2\mleft(x-3\mright)^2-2\mright) \\ 0=4x-8-2(x-3)^2+2 \\ 0=4x-8-2(x^2-6x+9)+2 \\ 0=4x-8-2x^2+12x-18+2 \\ 0=16x-24-2x^2 \\ 0=-2x^2+16x-24 \end{gathered}[/tex]Solve quadratic equation
[tex]\begin{gathered} 0=-2(x^2-8x+12) \\ 0=-2(x-2)x-6) \end{gathered}[/tex]Then, the solutions are:
[tex]\begin{gathered} x-2=0 \\ x-2+2=0+2 \\ x=2 \\ \text{For y} \\ y=4(2)-8=8-8=0 \end{gathered}[/tex]And
[tex]\begin{gathered} x-6=0 \\ x-6+6=0+6 \\ x=6 \\ \text{For y } \\ y=4(6)-8=24-8=16 \end{gathered}[/tex]Answer:
(2,0)
(6,16)
3(2y + 3) + 6(3y – 1) = 1 – 7y
Answer:
y = - [tex]\frac{2}{31}[/tex]
Step-by-step explanation:
3(2y + 3) + 6(3y - 1) = 1 - 7y ← distribute parenthesis and simplify left side
6y + 9 +18y - 6 = 1 - 7y
24y + 3 = 1 - 7y ( add 7y to both sides )
31y + 3 = 1 ( subtract 3 from both sides )
31y = - 2 ( divide both sides by 31 )
y = - [tex]\frac{2}{31}[/tex]
Find the sum of an infinite geometric series where a1 = 180, and the common ratio is r = 3∕4 ?A) 240B) 720C) 135D) 360
Answer:
The sum to infinity of the geometric series is;
[tex]S_{\infty}=720[/tex]Explanation:
Given an infinite geometric series where;
[tex]\begin{gathered} a_1=180 \\ r=\frac{3}{4} \end{gathered}[/tex]Recall that the sum to infinity of a geometric series can be calculated using the formula;
[tex]S_{\infty}=\frac{a_1}{1-r}[/tex]substituting the given values;
[tex]\begin{gathered} S_{\infty}=\frac{a_1}{1-r}=\frac{180}{1-\frac{3}{4}}=\frac{180}{\frac{1}{4}}=180\times4 \\ S_{\infty}=720 \end{gathered}[/tex]Therefore, the sum to infinity of the geometric series is;
[tex]S_{\infty}=720[/tex]help me determine the length of segments of this triangle
GE = 3.35, AG = 6.7, AE = 10.05
DG = 3.145, GC = 6.29, DC = 9.435
BG = 2.982, GF = 1.491, BF = 4.473
Explanation:Given: distance of the centriod to the vertex is twice the distance from centroid to the midpoint on the opposite side:
centroid: (14/3, 4/3)
[tex]\begin{gathered} AG\text{ = 2GE} \\ BG\text{ = 2GF} \\ GC\text{ = 2DG} \end{gathered}[/tex][tex]\begin{gathered} \text{Centriod = G = (14/3, 4/3) } \\ E\text{ = midpoint of BC} \\ B\text{ (}2,\text{ 0) and C (8, -4)} \\ \text{Midpoint = }\frac{1}{2}(x_1+x_2),\text{ }\frac{1}{2}(y_1+y_2) \\ \text{midpoint = }\frac{1}{2}\text{(2 + 8), }\frac{1}{2}(0-4) \\ \text{midpoint = 5, -2} \\ \\ GE\text{ = distance from G to E} \\ dis\tan ce\text{ = }\sqrt[]{(y_2-y_1)^2+(x_2-x_1)^2} \\ =\text{ }\sqrt[]{(5-\frac{14}{3})^2+(-2-\frac{4}{3})^2}\text{ = }\sqrt[]{0.1111+11.1111} \\ GE=\text{ }3.35 \\ AG\text{ = 2GE = 2(3.35)} \\ \text{AG = }6.7 \\ AE\text{ = GE + AG} \\ AE\text{ = 3.35 + 6.7 } \\ AE\text{ = 10.05} \end{gathered}[/tex][tex]\begin{gathered} D\text{ = midpoint of AB} \\ A(4,\text{ 8), B(2, 0)} \\ \text{midpoint = }\frac{1}{2}(4\text{ + 2), }\frac{1}{2}(8+0) \\ \text{midpoint = 3, 4} \\ DG\text{ = distance from D to G} \\ dis\tan ce\text{ = }\sqrt[]{(3-\frac{14}{3})^2+(4-\frac{4}{3})^2} \\ \text{distance = }\sqrt[]{2.7778+7.1111}\text{ = }3.145 \\ \text{DG = 3}.145 \\ \\ GC\text{ = 2DG = 2(3.145)} \\ GC\text{ = }6.29 \\ DC\text{ = DG + GC} \\ DC\text{ = 3.145 + 6}.29 \\ DC\text{ = }9.435 \end{gathered}[/tex][tex]\begin{gathered} F\text{ is the midpoint of AC:} \\ A(4,\text{ 8) , C(8, -4)} \\ \text{midpoint = }\frac{1}{2}(4+8),\text{ }\frac{1}{2}(8+(-4)) \\ \text{midpoint = 6, 2} \\ \text{Distance GF from G}(\frac{14}{3},\text{ }\frac{\text{4}}{3}\text{) to F(6, 2)} \\ \text{Distance = }\sqrt[]{(2-\frac{4}{3})^2+(6-\frac{14}{3})^2} \\ \text{Distance = }\sqrt[]{\text{0.4445+1.7777}}\text{ = 1.491} \\ G\text{F = 1.491} \\ \\ BG\text{ = 2GF = 2(1.491)} \\ BG\text{ = 2.982} \\ BF\text{ = BG + GF} \\ BF\text{ = 2.982 + 1.491} \\ BF\text{ = 4.473} \end{gathered}[/tex]Simplify the equation 3( m- 5 ) + m
Answer:
4m-15 is the answer
Step-by-step explanation:
Hope this helps!!
Calculate the difference between 7.841 and 3.733
You have to subtract each value from rigth to left.
[tex]\begin{gathered} 007.841 \\ -03.733 \\ \text{ 4.107} \end{gathered}[/tex]The result for 7.841 minus 3.733 is 4.107
What is the least common denominator of 1/7 and 7/8?
Answer:
72/24. Solution: Rewriting input as fractions if necessary: 3/2, 3/8, 5/6, 3/1. For the denominators (2, 8, 6, 1) the least common multiple ( LCM) is 24. LCM (2, 8, 6, 1) Therefore, the least common denominator ( LCD) is 24. Calculations to rewrite the original inputs as equivalent fractions with the LCD: 1 1/2.
Step-by-step explanation:
survey of 100 shoppers, were asked whether they have access to a computer at home. and if they have a personal email account. A) what % of shoppers have an email account?B) what % of shoppers do NOT have computer access at home?
Answer:
A). 34%
B). 62%
Explanation:
Part A:
How many shoppers have an email account?
The answer is 32 + 2 = 34 shoppers have an email account.
What percent of the total shoppers are 34 shoppers?
We know the there are 100 shoppers in total ( 32 + 2 + 6 + 60 = 100); therefore, 34 shoppers is
[tex]\frac{34}{100}\times100\%=34\%[/tex]Hence, 34% of the shoppers have an email account.
Part B:
How many shoppers do not have computer access at home?
The answer is 2 + 60 = 62 shoppers do not have computer access at home.
Now, what percent of the total number of shoppers is 62 shoppers?
The answer is
[tex]\frac{62}{100}\times100\%=62\%[/tex]Meaning, 62% of the shoppers do not have computer access at home.
Hence, to summerise
A). 34%
B). 62%
NEED HELP PLEASEEEE FOR GEOMETRY 10TH 60 POINTS!!!!!!!
60!!!
Answer:
12/5
Step-by-step explanation:
tangent is opposite over adjacent... 24/10 reduces to 12/5
don't forget to give brainliest :)
Answer:tan(Z)=24/10=12/5
Step-by-step explanation:
Tangent of an angle is dividing opposite side by adjacent side
A group of students was asked, "How many hours did you watch television last week?" Here are their responses. 15,14,20,17,6,11. Find the mean number of hours for these students.
The mean of these numbers is 13.83 hours (14 hours to the nearest whole number)
Here, we want to calculate the mean number of hours
To do this, we simply add all the numbers and divide by the count of the numbers
The count of the numbers is 6
Thus, we have the calculation as follows;
[tex]\frac{(15+14+20+17+6+11)}{6}\text{ = }\frac{83}{6}\text{ = 13.83}[/tex]PLEASE HELP 3x^2 - 3x - 18
Answer: 3(x-3)(x+2) is the solution
Step-by-step explanation:
Common factor
Use the sum-product pattern
Common factor from the two pairs
Rewrite in factored form
Answer:
x1,2= 3;-2
Step-by-step explanation:
3x^2 - 3x - 18=0
Counting discriminant: (-3)^2-4*3*-18=225
X1,2= 3+-√225/2*3= 3+-15/6=3;-2
X1=3, x2=-2
what is the 34th term of this seauence 1,9, 17,25,33
Answer : 34th term is 265
Given the following sequence
1, 9, 17, 25, 33
Firstly, we need to find the common difference of the series
Common difference = Larger number - lower number
Common difference = 9 - 1 = 8
17 - 9 = 8
25 - 17 = 8
33 - 25 = 8
Therefore, the common difference = 8
Tn = a + (n - 1 ) d
Where a = first term, n = no of terms, d = common difference
a = 1, n = 34, d = 8
T34 = 1 + (34 - 1) x 8
T34 = 1 + (33) x 8
T34 = 1 + 264
T34 = 265
Therefore, the 34th term is 265
Can someone please help me answer this?
Answer:
sol y=5x+15 (see photo for calc)
The area of a square is 100 square centimetres. Calculate the perimeter of the square
Answer:
40
Step-by-step explanation:
p=40
that's what the answer is if you don't believe me than look it up
Answer:
40 cm
Step-by-step explanation:
1. If its a square all sides are the same
2. Area is a side multiplied by the other side, l * w - so if we square root 100 we get 10.
10 is one side - and since each side of 4 is 10 - we can do 10*4 and get 40.
40 centimeters.