Answer:
y = 3
Step-by-step explanation:
y = -5(-4) - 17
multiply first
y = (-5*-4) - 17
y = +20 -17
y = 3
An image of a book shown on a website is 1.5 inches wide and 3 inches tall on a computer monitor. The actual book is 9 inches wide.
Type the answers to the questions below in the boxes.
1. What scale is being used for the image?
inch to
inches
2. How tall is the actual book?
inches
The height will be 18 inches and the scale is 1 inch = 6 inches.
1.5 inches is the width of a book picture shown on a website.
And the book's length, as displayed on the website, is 3 inches
The book's real width is 9 inches.
The book image's size is
6 inches to one inch
The book is actually three and six pages long.
The size of the real book is 18 inches long and 9 inches broad.
Hence the scale is 1 inch is equal to 6 inches and height is 18 inches.
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What is the rate of change of the following equation? y=5/3x - 3
Answer:
5/3 is the slope. slope is the same thing as rate of change
Step-by-step explanation:
24. a. The 2004 Toyota Corolla is advertised by Toyota as getting 32 miles to the gallon while driving around town. We will assume that Toyota is rounding this number to the units place. The fuel tank holds 13.2 gallons. If the tank is full, how many miles could drive before running out of gas? Round according the guidelines.
b. AAA ran tests on fuel efficiency and found the 2004 Toyota Corolla actually got 28.9 miles per gallon driving around town. Using AAA's estimate, how long could you drive before running out of gas? Round according the guidelines.
c. How many miles less does the AAA estimate predict you can get on a single tank of gas? Round according the guidelines.
a) If the tank is full, using mathematical operations based on the 2004 Toyota Corolla, you will run 422.4 miles before running out of gas, according to Toyota's advert.
b) Using AAA's estimate, one could drive 381.4 miles before running out of gas.
c) Based on the AAA estimate, on a single tank of gas, you can predict that you will get 40.9 miles less.
What are mathematical operations?The mathematical operations include subtraction, addition, division, and multiplication.
For our purpose, we have used the mathematical operations of multiplication and subtraction to determine the above values.
Claimed mileage per gallon, according to the Toyota advert = 32 miles
The number of gallons of gas in Toyota Corolla's full tank = 13.2 gallons.
AA fuel efficiency on 2004 Toyota Corolla = 28.9 mpg
a) Miles to run before running out of gas (Toyota advert) = 422.4 (32 x 13.2) miles
b) Miles to run before running out of gas (AAA rating) = 381.48 (28.9 x 13.2) miles
c) The difference in miles between (a) and (b) above = 40.92 (422.4 - 381.48) miles
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the populations of towns a, b, and c vary exponentially with respect to time. the population of town a increases by 26% every 11 years. what is the annual percent change in the population of town a? % the population of town b decreases by 39% every 13 years. what is the annual percent change in the population of town b? % the population of town c triples every 5 years. what is the annual percent change in the population of town c?
a. 11 year growth factor = 1 + (26/100) = 1.26
1-year growth factor = (1.26)^1/11 = 1.0210
Therefore,
1-year growth percent = 1.0210 - 1 = 0.0210 %
Answer: 2.10
b. 13-year decay factor = 1 - (39/100) = 0.61
1-year decay factor = (0.61)1/13 = 0.9631
Therefore,
13-year decay factor = 1 - 0.9631 = 0.03686 = 3.68%
Answer: 3.68
c. 5-year growth factor = 3
1-year growth factor = (3) ^1/5 = 1.245
Therefore,
1-year growth factor = 1.2457 - 1 = 0.2457 = 2.45%
Answer:2.45
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Mark has a container in the shape of a cube. He uses 64 cubes with sides lengths of 1 inch to completely fill the container.
What is the edge length of the container?
Hint: The volume of the container is 64 cubic inches.
If Mark has a container in the shape of a cube and he uses 64 cubes with sides length of 1 inch to completely fill the container, then the edge length of the container is 4 inches
The shape of the container is cube
He uses 64 cubes with side length of 1 inch to completely fill the container
The volume of cube with side length of 1 inches = [tex]a^{3}[/tex]
Where a is the side length of the cube
= [tex]1^{3}[/tex]
= 1 cubic inches
The volume of 64 cubes = 64×1
= 64 cubic inches
The volume of the container in cub shape = The volume of the 64 cubes with side length of 1 inches
[tex]a^{3}[/tex] = 64
a = 4 inches
Hence, if Mark has a container in the shape of a cube and he uses 64 cubes with sides length of 1 inch to completely fill the container, then the edge length of the container is 4 inches
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25y²-90y+81
Factor the polynomial completely
Answer:
The answer is
[tex] {(5y - 9)}^{2} [/tex]
Step-by-step explanation:
factor
[tex] {(25y }^{2} - 90y + 81)[/tex]
get the GCF of 25,-90,81=1
get the square root of leading terms
[tex] \sqrt{25 {y }^{2} } = 5y \: and \: \sqrt{81} = 9[/tex]
the final answer is
[tex] {(5y -9) }^{2} [/tex]
solve the absolute value inequality and express the solution in interval and algebraic notation
Answer:
[-10, - 2]
Step-by-step explanation:
1
Solve the inequality: ly+ 61 - 4 <0
-10 ≤ and ≤-2
2 Express solution set in interval notation:
[-10, -2]
Determine how long it will take for a principal amount of $13,000 to double its initial value when deposited into an account paying interest at a rate of 21.4 percent, continuously compounded
Answer:
3.24 years
Step-by-step explanation:
2 = e^it Decimal interest = i T = years 2 = double
T = 3.24 years For ANY deposit amount to double
whait is the formula of mean deviation
The formula of mean deviation = [Σ |X – µ|]/N
What is mean deviation?
Mean deviation defined as a statistical measure that is used to calculate the average deviation from the mean value of the given data set.
The formula of mean deviation is [Σ |X – µ|]/N
Here,
Σ represents the addition of values
X represents each value in the data set
µ represents the mean of the data set
N represents the number of data values.
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9 girls and 3 boys write left-handed what is the percent
Answer:
You need more context.
Step-by-step explanation:
What percentage are we solving for?
NEED HELP IMMEDIATELY!!!
Answer:
1. m∠P + m∠Q + m∠R = 180°
2. x = 10
Step-by-step explanation:
By the triangle sum theorem, the sum of the angles in a triangle is 180°. Therefore, using the given sum theorem, m∠P + m∠Q + m∠R = 180°. Using the substitution property, (5x)° + (5x)° + (8x)° = 180°. Simplifying the equation gets 18x = 180°. Finally, using the division property of equality, x = 10.
I hope this helps!
Simplify the expression.[(-5)1]3
The simplified expression is -125.
The expression given to us is [(-5)^1]³.In contrast to algebraic expressions, which include variables, numbers, and mathematical operators, arithmetic expressions simply contain numbers and mathematical operators.There are several laws of indices, often known as indices rules, including those governing division, multiplication, power of 0, brackets, negative powers, and fractional powers.We need to apply the laws of indices given below :(a^m)^n = a^(mn)Applying the above rule to our given expression.[(-5)^1]³ = (-5)^(1*3)The expression is simplified further.[(-5)^1]³ = (-5)³We know that a negative number raised to an odd power is always negative.[(-5)^1]³ = -125.Thus, the final simplified expression is -125.To learn more about indices, visit :
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Draw a coordinate plane on your paper. Then
plot the points on your coordinate plane.
A(3, 1) B(2, 4) C(4, 1) D(1, 5)
Answer:
yw:) have a good day :)
Find the equation of the line that is perpendicular to the line y =5x + 6 and passes through the point (-3,3). Write the equation in point slope form.
The point-slope form of equation of the line perpendicular to the line y = 5x + 6 nd passing through (-3,3) is x + 5y = 12.
If two lines are perpendicular to each other, then the product of slopes of these two lines is equal to -1.
The provided line is y = 5x + 6,
The slope M₁ of the line is equal to the coefficient of x,
M₁ = 5
Let the slope of the perpendicular line is M₂,
So, we can write,
M₁M₂ = -1
M₂ = -1/5.
Now, we can use the point slope form of the equation of line, according to which is if line passes through (a,b) and have slope m then the equation of the line will be,
(y-a) = m(x-a)
This form of line is called Point-slope form of line.
Then, the equation of the line with slope -1/5 and passing through (-3,3) will be,
(y-3) = -1/5(x+3)
-5y+15 = x+3
x + 5y = 12
The above equation is the required equation of line in point slope form.
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Solve negative a minus four sevenths equals two thirds for a.
a equals negative 26 over 21
a equals 26 over 21
a equals negative 2 over 21
a equals 2 over 21
The solution for the linear equation is a = -26/21, so the correct option is the first one counting from the top.
How to solve the linear equation?Here we have a mathematical statement that can be written as the following linear equation:
-a - 4/7= 2/3
To solve this for a, we just need to isolate a in one of the sides of the equation, so let's do taht.
-a - 4/7 = 2/3
a = -4/7 - 2/3
Now we need a common denominator in the right side, i will use 21.
a = -12/21 - 14/21 = -26/21
So the correct option is the first one.
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when a study uses – , each member of a population has an equal chance of being selected. – occurs when researchers randomly sample subsets of the population and then use all individuals within the subsets. – is often used to select participants to represent, in an unbiased way, subsets of the population that are not large enough to be accurately measured. all three of these techniques are – sampling techniques.
When a study uses random sampling, each member of a population has an equal chance of being selected.
Cluster sampling occurs when researchers randomly sample subsets of the population and then use all individuals within the subsets.
Oversampling is often used to select participants to represent, in an unbiased way, subsets of the population that are not large enough to be accurately measured.
All all three of these techniques are representative sampling techniques.
What is sampling?It should be noted that sampling simply means the selection of subjects from the entire population.
In a random sampling, everyone has equal opportunity of being picked.
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write an equation which relates the figure number x to the number of tiles y
Write an equation which relates the figure number x to the number of tiles y
x= increase a row of 4 per image
y = 1 + 4*x
Figures
1
y = 1 + 4*(1) = 5
2
y = 1 + 4*(2) = 11
3
y = 1 + 4*(3) = 13
__________________
Answer
The equation which relates the figure number x to the number of tiles y is
y = 1 + 4x
_
Can you see the updates?
Do you have any questions regarding the solution?
Triangle ABC is rotated to create the image A'B'C'.
Which rule describes the transformation?
(x, y) - (x.-y)
(x,y) - (y.x)
(x,y) - (-x.-y)
(x,y) - (-y.-x)
Option C, (x, y) - (-x, -y) is the rule which describes the transformation.
A rotation in geometry is a change of a shape that involves turning it by a given number of degrees around a certain point known as the center of rotation and is denoted as R(0,x), wherein x is an angle of rotation around a center point O.
Assume triangle ABC's subsequence to be (x, y) and the angle of rotation for rotating triangle ABC to A'B'C' to be 180° or -180° about the center of rotation (0,0).
That is under R(0,0),180°.
The image formed is (-x,-y).
The resulting picture will contain a triangle ABC in the first quadrant of the graph and a triangle A'B'C inside the third quadrant with the center of rotations (0,0).
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1. Compare two spheres. The first has a diameter of 4 inches.
The second sphere has a diameter of 428 inches.
Determine the ratio of the volume of the large sphere to the volume
of the small sphere.
Ratio =
Answer:
1,225,043
Step-by-step explanation:
You want the ratio of volumes of spheres 428 inches and 4 inches in diameter.
VolumeThe volume of a sphere in terms of its diameter is ...
V = (π/6)d³
The ratio of the volumes of the larger to smaller sphere is ...
[tex]\dfrac{V_{large}}{V_{small}}=\dfrac{\pi/6\cdot428^3}{\pi/6\cdot4^3}=\left(\dfrac{428}{4}\right)^3=107^3=\boxed{1,\!225,\!043}[/tex]
The ratio of volumes is 1,225,043.
The ratio of the volume of the large sphere to the volume of the small sphere is 1225043:1
The following is the formula for finding the volume of a sphere:
V = [tex]\frac{4}{3} \pi r^3[/tex]
Now, the normal assumption is that we must use the formula to calculate the volume of both spheres in order to compare. However, observe that in comparing the volume of two different spheres, the only difference between them is the radius, thus we can compare the two spheres directly in this way:
[tex]\frac{(radius of sphere B)^3 }{(radius of sphere A)^3}[/tex]
So,
[tex](\frac{428}{4})^3[/tex]
[tex]107^3[/tex]:1
12,25,043:1.
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30 POINTS! What is the domain and range of g(x) = |x + 4|
Answer:
Domain: (−∞,∞),{x|x∈R}
Range: (−∞,∞),{y|y∈R}
1. You launch a toy rocket from a height of 5 feet. The height h, in feet of the rocket t seconds after taking off is given by the formula h = -3t2 + 14t + 5.
In case whereby You launch a toy rocket from a height of 5 feet with the height h, in feet of the rocket t seconds after taking off is given by the formula h = -3t2 + 14t + 5, then the value of t will be 4.67 secs.
How can the values of t be calculated?
The giving equation is h = -3t2 + 14t + 5
where the height h is been given as 5 feet, then we can substitute the value of the height they the expression can be simplified as
5 = -3t^2 + 14t + 5
Then this equation can be re arranged as :
-3t^2 + 14t + 5 - 5=0
This can as well be expressed as
-3t^2 + 14t = 0
t(-3t + 14)= 0
Then t= 0 and -3t + 14=0
t=14/3 = 4.67 secs
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Three cups of oatmeal are used to make 24 oatmeal cookies. How many cups of oatmeal are needed to make 36 oatmeal cookies?
someone please help me???
I need help with question 6, I've included the prior answers from questions 1, 2 and 3 to help you. I've also included what the previous questions were so you have some context of the situation. Although, I think you only need the answers from part C ( which is the graph I've including) to answer question 6
Question 6 asks us to determine the period of the function.
Looking at the height of the blade tip, it varies in a sinusoidal manner.
Thus, the period is the distance between successive same heights on the table.
The function takes 360 degrees to return to its same value. At angle zero, the height was 150ft and it was still 150 ft at 360 degrees.
Thus the period is 360 degrees.
a couple plans to have three children. there are eight possible arrangements of girls and boys. for example, ggb means the first two children are girls and the third child is a boy. all eight arrangements are (approximately) equally likely.
The sample space of the three children that the couple will have will be:
S = (BBB, BBG, BGB, GBB, BGG, GBG, GGB, GGG)
How to illustrate the information?From the information given, the couple plans to have three children. there are eight possible arrangements of girls and boys.
Therefore, the sample space of the three children will be:
N(S) = 2³
= 2 × 2 × 2
= 8
The eight arrangements are illustrated above.
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The graph of the equation y = 4x + 2, what is the y when x = 1?
Answer: 6
Step-by-step explanation:
[tex]y=4(1)+2=6[/tex]
How do you write 8.61 × 10–1 in standard form?
The expression 8.61 x 10-1 in standard form is 0.861
How to rewrite the expression?The expression is given as
8.61 x 10-1
Rewrite the equation properly as follows
So, we have the following expression
8.61 x 10^-1
Express 10^-1 as 1/10
So, we have the following expression
8.61 x 1/10
Evaluate the products
So, we have the following expression
8.61/10
Evaluate the quotient
So, we have the following expression
0.861
Hence, the expression is 0.861
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Jade has four slices of chocolate cake.
She gives a slice to Josh, Malaysia, and Jacob.
What fraction of the cake did Jade give away?
Jade give away 3/4 fraction of the cake.
I wills end you a picture
The rate of change is represented by the slope of each club.
For Club A is 12.
For Club B we calculate using the formula
[tex]m=\frac{y2-y1}{x2-x1}[/tex][tex]\begin{gathered} m=\frac{42-21}{2-1} \\ m=\frac{21}{1}=21 \end{gathered}[/tex]The value is 21.
For Club C we apply the same formula and use the poins shown in the graphic
[tex]\begin{gathered} m=\frac{70-40}{3-1} \\ m=\frac{30}{2} \\ m=15 \end{gathered}[/tex]For club D the slope is the value that is paid each month
which in this case is $20
According to this the greatest rate of chande is for Health Club B
What are the next three terms
125, -25, 5, ...
Answer:
25, 125, 3125, 78125, 1953125
Answer:
-1 ; 1/5 ; -1/25
Step-by-step explanation:
125 : (-5) = -25
-25 : (-5) = 5
5 : (-5) = -1
-1 : (-5) = 1/5
1/5 : (-5) = -1/25
May you guys/girls please help me I have to submit this befoer mid night and I do not fail because my parents will get me , so may y'all please help me out!?
Answer:
Answer down below!
Step-by-step explanation:
Lets start off by finding a point we can start off at!
Since (2,0) lands perfectly on the number line, we can use that one!
From there, use the rise/run method to find your slope
We go up 2 and over -2
Thus our fraction is -2/2 BUT WE AREN'T DONE!
We can simplify this to be -1/1 or -1
Thus, our slope is -1
It's negative one, starting from the y intercept you're going down one right one and so on.