To do the multiplication, we multiply 0.63 by each of the digits & decimal places of 0.24 (and align the products that we get) then add them together.
0.63 x 4 = 2.52, therefore the first missing spot is a 2.
0.63 x 2 = 1.26, therefore the second missing spot is a 2 (the 0 is so that the decimal point can be aligned for the result.)
Answer: Box 1: 2 Box 2: 2
Step-by-step explanation:
So, for box one it would be 2 because 3 x 4 = 12, put the 2 on the bottom and the 1 on the 6, then 6 x 4 + 1 = 25, then put the 5 on the bottom and the 2 on the top, then 4 x 0 + 2 = 2, so the answer would be 2.
For box 2, 252 + 1?60 = 0.1512, so we have to find the missing number. So, 2 + 0 = 2, so put the two on the bottom, then 5 + 6 = 11, so put the 1 on the bottom and the other 1 on the 2 from the first box, so 2 + 1 = 3, plus 2 more would equal 5, so the second box would be 2.
Hope this helps!
Can anyone write the equation of the graph?
The equation of the graph given in the diagram which represents an absolute value function is: y = |x - 3| + 5.
How to Determine the Equation of the Graph of an Absolute Value Function?The equation that represents the absolute value function is expressed in in vertex form as y = a|x – h| + k, here, the vertex of the graph of the absolute value function is (h, k), while the value of a determines if the graph opens up or opens down.
The point (3, 5) is the vertex of the graph, therefore:
(h, k) = (3, 5)
Plug in h = 3 and k = 5 into, y = a|x – h| + k:
y = a|x - 3| + 5
Find the value of a, by substituting the values of the coordinates of a point on the graph, (x, y) = (5, 7), into the equation y = a|x - 3| + 5:
7 = a|5 - 3| + 5
7 = 2a + 5
2 = 2a [subtraction property]
1 = a [division property of equality]
a = 1
Substitute the value of a into the equation y = a|x - 3| + 5:
y = |x - 3| + 5 [equation of the graph].
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The football team played 10 games and won 7 games. What was its winning percentage?
Answer:
70%
Step-by-step explanation:
Write an equation in slope-intercept form of the line that passes through the given points.
Equation in slope-intercept form of the line that passes through the given points is y = 2x - 1/2.
Given points:
(1, 1.5) and (2, 3.5)
slope m = 3.5 - 1.5 / 2 - 1
= 2/1
m = 2
substitute m and (1,1.5) in y = mx + c
1.5 = 2*1 + c
1.5 - 2 = c
c = -0.5
c = -1/2
y = mx + c
y = 2x - 1/2.
Therefore equation in slope-intercept form of the line that passes through the given points is y = 2x - 1/2.
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What is the slope of the line?
Answer:
8/2 or 4/1
Step-by-step explanation:
To find the slope, you simply count how high up one point is from another (0,0 to 2,8) and then how far over. Since 2,8 is 8 points up from 0,0 the numerator of our slope would be 8; and since 8,2 is two over from 0,0 the denominator is 2. Simplify this to 4/1.
Expand & simplify: (7-3x)(2x-4)(x+1)
the sample regression line a. is estimated by the population regression line. b. maximizes the sum of the squared differences between the data points in a sample and the sample regression line. c. shows the actual (or true) relation between the dependent and independent variables. d. is used to estimate the population regression line. e. connects the data points in a sample.
The simple regression line is used to estimate the population regression line.
We are asked about, the simple regression line
We have options:
a. is estimated by the population regression line.
b. maximizes the sum of the squared differences between the data points in a sample and the sample regression line.
c. shows the actual (or true) relation between the dependent and independent variables.
d. is used to estimate the population regression line.
e. connects the data points in a sample.
From the above options, Option (d) is the correct one i.e. is used to estimate the population regression line.
The simple regression line is used to estimate the population regression line.
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Which statement is true? All decimals are rational. All rational numbers can be written as the quotient of Integers
The statement that is true is All rational numbers can be written as the quotient of Integers
What are rational numbers ?Any number that can be written as a fraction and has an integer as both the numerator and the denominator is referred to as rational number.
In a rational number, the denominator cannot be zero.
Integer refers to whole numbers. They are generally of two types the positive integers and the negative integers
Quotients refers to the end product of division example 2 ÷ 1 = 2/1
2/1 is the quotient, both 2 and 1 are integers
All decimals are rational - A counter example to this is √2
It has decimal and not a rational number because it cannot be represented as a fraction
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The statement that is true is All rational numbers can be written as the quotient of Integers
What are rational numbers ?
Any number that can be written as a fraction and has an integer as both the numerator and the denominator is referred to as rational number.
In a rational number, the denominator cannot be zero.
Integer refers to whole numbers. They are generally of two types the positive integers and the negative integers
Quotients refers to the end product of division example 2 ÷ 1 = 2/1
2/1 is the quotient, both 2 and 1 are integers
All decimals are rational - A counter example to this is √2
It has decimal and not a rational number because it cannot be represented as a fraction
There are 15 plates in a kitchen cabinet. the diameter of each plate is either 7 inches or 12 inches. the diameter of all 15 plates combined is 140 inches. which system of equations can be used to find the number of 7-inch plates, x, and the number of 12-inch plates, y, that are in the cabinet?
The system of linear equations which is used to find number of 7 -inch plates ,x and 12- inch plates y is
x+y = 15 ---(1)
7x+12y = 144 ---(2)
In the given question we have following informations,
total number of plates in kitchen cabinet = 15
diameter of each plate either 7-inch or 12-inch.
let the number of plates in kitchen cabinet with Diameter 7-inch = x
and number of plates in kitchen cabinet with Diameter 12-inch = y
the diameter of all 15 plates combined = 144 inches
from the above details we can make a system of linear equations for two variables say x and y
x + y = 15 -----(1)
7x + 12y = 144 ---(2)
equation (1), (2) made the required system of equations.
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it takes a hose 3 minutes to fill a rectangular aquarium 8 inches long, 11 inches wide, and 13 inches tall. how long will it take the same hose to fill an aquarium measuring 26 inches by 33 inches by 35 inches?
It takes almost 5.7 hours the same hose to fill an aquarium measuring 26 inches by 33 inches by 35 inches.
First, we must determine how quickly the hose operates.
By dividing the volume of the first aquarium by the length of time it took to fill it, we may determine that.
The following formula can be used to determine the volume of the first aquarium: V =L*B*H
where the aquarium's length is L and its width is B
Its height is H.
Thus, the first aquarium's volume is:
V =L*B*H = 3*8*11 = 264 inches^3
We have the filling rate as:
264/3 inches ^3 per minute,
Let's now determine the second aquarium's volume.
The first formula is what we employ.
The volume is as follows:
V =L*B*H = 26*33*35 = 30030 inches ^3
Now, we divide the capacity of the second aquarium by the pace of the first aquarium to obtain the amount of time.
According to mathematics, that is:
30030 * 3/264 = 341.25 minutes = 5.7 hours approximately
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the honda civic hybrid gets 46 miles per gallon in city driving and 51 mpg in highway driving. the car is driven 621 miles in 13 gallons of gasoline. how many miles were driven in the city and how many were driven on the highway?
The distance driven in city is 386.4 miles and same in highway is 213.6 miles.
Let the distance driven in city be x and driven in highway be y.
Now given that the mileage in city is 46 miles per gallon and in highway same is 51 miles per gallon.
The car is driven 621 miles in 13 gallon.
So suitable system of linear equations in two variables to solve this is,
x+y = 621 ……(1)
x/46+y/51 = 13 …….(2)
From (2) we get,
51x+46y = 30498
5x+46(x+y) = 30498
5x+46*621 = 30498
5x = 30498-28566
5x = 1932
x = 386.4
So from (1) we get,
y = 621-x = 621-386.4 = 213.6
Hence the car drove 386.4 miles in city and 213.6 miles in highway.
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The relationship between the number of crocodiles and the number of alligators is not proportional across all lakes. Only two of the lakes have crocodiles and alligators in the same proportion. Which two lakes are they?
There are two lakes that have crocodiles and alligators in the same proportion.The two lakes are Lake Winnipeg and Lake Champlain.
This is the only lakes where this is the case, making them the only lakes with a proportional relationship between the number of crocodiles and the number of alligators. crocodiles and alligators have been known to live in the same body of water, but they are usually not found in the same proportion. In these two lakes, however, they are found in equal numbers.
Crocodiles and alligators are both reptiles that belong to the same order, which is why they can live in the same environment and in the same proportion.It is most likely because these lakes have a warm climate which is suitable for these reptiles.
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Marcus wants to save $378 in order to buy a new electronic
keyboard. He plans to save $15. 75 every week from his paycheck. Write and solve an
equation to find how many weeks Marcus will need to save.
Marcus would need to save for 24 weeks in order to purchase a new electronic keyboard.
Define the meaning of the equation?A mathematical assertion in which you use mathematical symbols to demonstrate that two sums are equal.
As per specified data-
Marcus wishes to save $378 so that he can purchase a new electronic keyboard.Every week, he saves $15.75 from his paycheck.Let 'x' be the number of weeks required to complete the amount.
The equation becomes.
378 = 15.75x
For the number of week required.
x = 378/15.75
x = 24
Thus, Marcus would need to save for 24 weeks in order to purchase a new electronic keyboard.
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a set of bivariate data was used to create a least-squares regression line. which of the following is minimized by the line? responses the sum of the residuals the sum of the residuals the sum of the squared residuals the sum of the squared residuals the sum of the absolute values of the residuals the sum of the absolute values of the residuals the influence of outliers the influence of outliers the slope
The only correct option that is minimized by the least squares regression line is. Option B the sum of the squared residuals.
lets check all the option -
Option A - This claim is untrue because the residuals' summation would provide a value of 0.
Option B - Because error must be kept to a minimum, the residuals must sum to zero and the line must be as close to the points as possible. Prior to summing them, we must first square the residuals, which will always result in a positive value. This option is accurate since the Least Square Regression Line minimizes the total of residuals.
Option C - This choice is incorrect because the least squares regression line cannot be created by adding the absolute values of the residuals.
Option D - This alternative is incorrect since the influence of outliers has nothing to do with the subject at hand.
Option E - Due to slope's lack of relevance to the subject at hand, this choice is also incorrect.
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Compare and Explain: Are they equivalent?
Jenny is comparing the cost of two packages of socks. One package has 8 pairs of socks for $12. Another package has 3 pairs of socks for $6. Are the rates equivalent?
Make d the subject of the formula h=d/3+2
Answer:
d = 3h - 6
Step-by-step explanation:
h = [tex]\frac{d}{3}[/tex] + 2 ( multiply through by 3 to clear the fraction )
3h = d + 6 ( subtract 6 from both sides )
3h - 6 = d
A baseball diamond is a square that measures 90ft on each side. Write and expression for the distance from 2nd base to home plate in square root form using a^2+b^2=c^2, then give the answer rounded to the nearest tenth
If a baseball diamond is a square that measures 90ft on each side. The expression for the distance from 2nd base to home plate in square root form isc =√ (90)² + (90)² and the distance is 127ft.
How to find the distance?Using the Pythagoreans theorem formula
c= √ a²+b²
Where:
c = length of hypotenuse
a and b = length of the sides of the right triangle
Let plug in the formula
c =√ (90)² + (90)²
c =√ 8100 +8100
c =√16200
c = 127.3
c = 127 ft (Approximately)
Therefore the distance is 127ft.
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The emissivity of a surface coated with aluminum oxide can be approximated to be 0. 15 for radiation at wavelengths less than 5 μm and 0. 9 for radiation at wavelengths greater than 5 μm. Determine the average absorptivity of this surface at 1040. 00 K
For emission of a surface, the average absorptivity of this surface at 1040 K is 0.899705900025.
Knowing that ε1 =0.15 and ε2 = 0.9, we first solve for the average emission, e, as follows:
ε = ε1 [tex]f_λ[/tex] [ λT] + ε2 [1- [tex]f_{λ}[/tex](λT)]
is also solved for reference in calculating fλ
(λ*T) = (5 μm)(1040 K)
= 5200 μm K
[tex]f_{λ}[/tex]= 0.0003921333 when referencing this to a blackbody function.
Moving on, we solve for T1040 using the equation above:
ε = ε1 [tex]f_{λ}[/tex][λT] + ε2[1 -[tex]f_{λ}[/tex]( λT)]
=0.9 + (0.15-0.9)0.0003921333
=0.899705900025
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Sean drew a vertical line segment and labeled the top endpoint W and the other endpoint X.
He then found the midpoint of WX and labeled it Y. Starting at Y and moving to the right, he
drew a line segment of length WY perpendicular to WX, and he labeled the new endpoint Z.
Finally, he drew a line segment parallel to YZ, also of length WY, starting at W and moving to
the right.
What letter did Sean draw?
E
F
L
T
PLEASE HELP
Sean drew a letter (b)F.
What is Geometry construction?
Drawing precise shapes, angles, or lines is referred to in geometry as "construction." These structures only require a compass, a straightedge (a ruler), and a pencil.
according to the question, WX is a straight line having a midpoint at Y.
YZ is drawn perpendicular to WX. And parallel to YZ a line segment is drawn After this Geometrical construction, a letter is drawn which is F.
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Transformation of functions f(x)=-7(x-8)^2 +2
Answer:
Step-by-step explanation:
I think this is the answer you were looking for but im not 100% sure
simplify (-5)∧5(-5)∧-6
Answer:
-5 with the exponet of 11
Answer:
-1/5 or -0.2 if you are going by fraction or decimal
"6 more than 7 times the amount of 10"
Answer: 76
Step-by-step explanation:
Based on the given conditions, formulate: 6+10*7
Calculate the product or quotient: 6+70
Calculate the sum or difference: 76
what is the best point estimate for the population's standard deviation if the sample variance is 49.7? round your answer to one decimal place, if necessary.
Using the relation between standard deviation and variance it is concluded that the standard deviation for the population for the given variance is 7.1
What is the relation between standard deviation and sample variance?In statistics, the two most crucial metrics are variance and standard deviation. While the variance is a measurement of how data points vary from the mean, standard deviation is a measure of the distribution of statistical data.
The square root of the variance yields the standard deviation, i.e.
Standard deviation = [tex]\sqrt{variance[/tex]
Given that sample, the variance is 49.7 and we have to calculate the standard deviation.
Standard deviation (σ) = [tex]\sqrt{variance[/tex]
= [tex]\sqrt{49.7}[/tex]
= 7.0498
=7.1
Hence, the standard deviation for the population for the given variance is 7.1
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if we want to create a 95% confidence interval for a population proportion with a margin of error (m) of 0.099, what sample size is necessary? use the simplified formula (n
For the specified requirements, 97 sample size are required.
Given that,
Confidence Interval = 95
Margin of error (m) =0.099
We know , to find Sample size for estimating a population proportion
n = (Z*/m)² P(1-P)
where , m is margin of error
P is estimated proportional value.
If we have no preconceived of the value of the population proportion
, then we use P= 0.50 because it is most conservative and it will give use the largest sample size calculation.
for a 95% confidence interval ,
Z* = 1.960 , m=0.099
Using equation we get
n = (1.96/0.099)²(0.5)( 1 - 0.5 )
By solving,
n = 97.02≅ 97
The necessary sample size is 97
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in a multiple regression problem involving two independent variables, if b1 is computed to be 2.0, it means that
In a multiple regression problem involving two independent variables, if b1 is computed to be 2.0, it means that For every unit increase in x1, the predicted mean of Y rises by 2 units holding [tex]x_{2}[/tex] constant.
Given data,
Slope b1 = +2
Mutiple regression which means,
Use multiple linear regression to determine the relationship between two or more independent variables and one dependent variable.
The value of the dependent variable at a specific level of the independent variables (For instance, the crop's anticipated yield at specific levels of temperature, rainfall, and fertilizer application).
[tex]y = b_{0} +b_{1}x_{1}+b_{2}x_{2}+b_{3}x_{3}+....[/tex]
[tex]b_{1}[/tex]=2 means
The estimated mean of Y increases by 2 units for each increase of 1 unit of [tex]x_{1}[/tex], holding [tex]x_{2}[/tex] constant.
Hence, the expected mean of Y increases by two units for every unit increase in x1.
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help 100 points i need help asap
Answer:
Unclassified
Step-by-step explanation:
Which questions would you like answered?
help meeeeeeeeeeee pleaseeeeeeeeeee rn rnnnnnnnnn!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
help meeeeeeeeeeee pleaseeeeeeeeeee rn rnnnnnnnnn!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
The function has a maximum value of 30 at x = 3.
Given Function:
f(x) = -3+18x+3
here a = -3 , b = 18 , c = 3
a is negative so it has maximum value
x = -b/2a
= -18/2*(-3)
= -18/-6
= 18/6
= 3
f(x) = -3* + 18*3 + 3
= -3*9+54+3
= -27+54+3
= 27+3
= 30
Therefore the function has a maximum value of 30 at x = 3.
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g(x) = x-2
What is the Parent function and transformation
The parent function is y = x ; shift 2 units downwards.
Given,
In the question:
The function is :
g(x) = x - 2
Now, According to the question ;
Let's know
What is the Parent function and transformation?
The transformation of the parent function is shown in blue. It is a shift down (or vertical translation down) of 1 unit. Reflection. A reflection on the x-axis is made on a function by multiplying the parent function by a negative. Multiplying by a negative “flips” the graph of the function over the x-axis.
According to the above statement is;
g(x) = x -2
Hence, The parent function is y = x ; shift 2 units downwards.
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Express your answer as a polynomial in standard form.
f(x)= -3x+5
g(x)=x^2+2x+15
Find: (g∘f)(x)
Answer: [tex](g \circ f)(x)=9\text{x}^2-36\text{x}+50\\\\[/tex]
=====================================================
Explanation:
The notation (g∘f)(x) is the same as g(f(x))
We'll start with the outer function g(x). Then replace each x with f(x). Afterward plug in f(x) = -3x+5 for the right hand side only.
This is what the steps look like
[tex]g(\text{x})=\text{x}^2+2\text{x}+15\\\\g(f(\text{x}))=(f(\text{x}))^2+2f(\text{x})+15\\\\g(f(\text{x}))=(-3\text{x}+5)^2+2(-3\text{x}+5)+15\\\\g(f(\text{x}))=9\text{x}^2-30\text{x}+25-6\text{x}+10+15\\\\g(f(\text{x}))=9\text{x}^2-36\text{x}+50\\\\[/tex]
Therefore,
[tex](g \circ f)(x)=9\text{x}^2-36\text{x}+50\\\\[/tex]
You can use tools like WolframAlpha, GeoGebra, and Desmos as ways to confirm the answer.
Find a rational function that has vertical asymptotes x= -4 and x= 2 and x-intercept (3,0). Write equation and show work
Step-by-step explanation:
to create a vertical asymptote (a tangent of the curve in infinity) at x = n we define e.g.
f(x) = 1/(x - n)
the cost x gets to n, the much closer the function gets to 1/0 and infinity.
so, the part to get us the asymptote at x = -4 is
1/(x + 4)
the part to get us the asymptote at x = 2 is
1/(x - 2)
and the part that gives us a zero solution at x = 3 is
(x - 3)
because that is what the point (3, 0) is : when x = 3. then y = 0.
now we only need to multiply all 3 parts to combine them :
f(x) = 1/(x + 4) × 1/(x - 2) × (x - 3)
PLEASE HELP ME WITH GEOMERY
The blanks in this two-column proof should be completed (filled) as follows:
Statements Reasons_______________
m∠RST = 5x° and m∠UVW = 7x° Given
∠RST and ∠UVW are supplementary
m∠RST = 5x° + m∠UVW = 180 definition of supplementary angles
5x + 7x = 180 substitution property of equality
12x = 180 addition property of equality
x = 15 division property of equality
What is a supplementary angle?In Mathematics, a supplementary angle simply refers to two (2) angles or arc whose sum is equal to 180 degrees.
Additionally, the sum of all of the angles on a straight line is always equal to 180 degrees. In this context, we can logically deduce that the sum of angles RST and UVW are supplementary angles:
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