The various reasons why rows 4 to 7 could be missing are mentioned.
Explain the term spreadsheet?A spreadsheet is a piece of software that can store, display, and edit data that has been organized into rows and columns. One of the most used tools for personal computers is the spreadsheet. In general, a spreadsheet is made to store numerical data plus short text strings.Rows 4 to 7 may be missed for the following reasons:
Rows 4 through 7 have a chance of having incorrect or improperly structured data.Probability that rows 4 through 7 are concealed.There is a chance that the users shown in rows 4 through 7 are different from the users you are currently logged in as.Rows 4 through 7 had a chance of being erased from the sheet.Thus, these are various reasons why rows 4 to 7 could be missing.
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the probability distribution shows the weights x, in kilograms, of boxes being shipped from a certain factory. a shipped box is randomly chosen. what is the probability that it weighs less than 27 kilograms?
The probability that the weight of the box less than 27 kilogram is 0.375
The figure shows the probability distribution shows the weights x, in kilograms, of boxes being shipped from a certain factory.
Then a shipped box is randomly chosen
The probability is the ratio of the number of favorable outcomes to the total number of outcome
The probability = Number of favorable outcomes / Total number of outcomes
Number of possible weights = 8 weights
Number weights less than 27 kilogram = 3
Substitute the value in the equation of probability
The probability = 3/8
Divide the numbers
= 0.375
Therefore, the probability is 0.375
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Find the volume in question number 12
Answer:
[tex]223093\pi/187500[/tex]
Step-by-step explanation:
[tex]V=\frac{1}{3}\pi r^2 h=(\pi/3)(1.31^2)(2.08)=223093\pi/187500[/tex]
Greg earned $45 dollars for washing cars this month. He earned twice as much for washing cars than he did for mowing lawns. Write an equation to determine how much he earned for mowing lawns. m over
m over 2 equals 45
2m = 45
m + 2 = 45
m − 2 = 45
Answer:
[tex]2m=45[/tex]
Step-by-step explanation:
He earned twice as much washing cars, which is [tex]2m[/tex]. This is given to be equal to 45.
Help meeeee please !!!!
Answer: seth made 3 banana bread and 2 bananas where left over
Step-by-step explanation:
so draw 11 bananas circle three until you are left with less than three
count how many circles have three bananas which is 3 circles
now count how many bananas are not in a circle which is 2
i have adhd so i'm not good at explaining things so yeah hope this helps
:)
What is the area of the figure below? Round to the nearest hundredth when necessary.
The area of the figure having two semicircles and a parallelogram is equal to 173.01 square inches. The correct option is A.
What is an area?The space occupied by any two-dimensional figure in a plane is called the area. The space occupied by the circle in a two-dimensional plane is called the area of the circle. The space occupied by the parallelogram in a two-dimensional plane is called the area of the parallelogram.
Given that the radius of the semicircle is 6 inches and the height of the parallelogram is 5 inches.
Calculate the area of two semicircles,
Area = π / 2r² + π / 2r²
Area = πr²
Area = ( π x 6² )
Area = 113.09 square inches
Calculate the area of a parallelogram,
Area = B x H
Area = 12 x 5
Area = 60 square inches
The total area of the figure,
Total area = 113.09 + 60
Total area = 173.01 square inches
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A man 1.5m in height standing on top of a vertical building 42m heigth .sees a truck some distance away ,at an angel of depression of 53.5.At what distance is the truck from the base of the building.
The truck is 32.22m away from the base of the building
As a 1.5m long man is standing on the 42m long building,
=>the height of man's site= 42+ 1.5= 43.5m
If the line of sight is directed downward from the horizontal line, then an angle is created with the horizontal line. The angle produced between the horizontal line and the observer's line of sight is known as the angle of depression if the object being observed is below the observer's level.
As given, the angle of depression = 53.5°
We know that,
tan ∝= perpendicular* base
so, ∝=53.5:
tan(53.5 )= 43.5/y
[where y= distance of the truck from the base of the building]
1.35= 43.5/y
y=43.5/1.35= 32.22m
Hence, the truck is 32.22m away from the base of the building.
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What is the answer please help .
Answer:
None of A, B, or C.
Step-by-step explanation:
A quadratic function in its general form is [tex]f(x)=a(k(x-d))^2+c[/tex], where a represents the vertical stretch/compression, k the horizontal stretch/compression, d the horizontal shift, and c the vertical shift. Here, based on the image of f(x) and the resulting transformed function g(x), we can see that the graph has only been shifted horizontally to the right by two units. We should expect the function g(x) to be [tex](x-2)^2[/tex], which is not provided in any of the options.
Make a the subject of the formula v = u + at.
Hence, find the value of a when t = 4, u = 10 and v=50.
Step-by-step explanation:
v = u + at
v-u = at
a = (v -u)/t
When t = 4, u=10, v=50
a = (50-10)/4
a= 40/4
a = 10
a street light is mounted at the top of a -ft-tall pole. a man ft tall walks away from the pole with a speed of along a straight path. how fast is the tip of his shadow moving when he is ft from the pole?
The tip of the man's shadow is moving at the speed of 2.25m/s.
Here, we are given-
Length of the pole = 6 meters
Height of the man = 2 meters
Speed of the man = 1.5 m/s
we can form a diagram as shown in the figure below.
Now as the two triangles are similar, the ratio of their sides will be equal-
2/ b = 6/ (a + b)
2(a + b) = 6b
2a + 2b = 6b
2a = 4b
a = 2b
Now, differentiating both sides with respect to time-
da/ dt = 2db/ dt
(1/2)(da/dt) = db/dt
Let a + b = c
⇒ dc/ dt = da/dt + db/dt
dc/ dt = da/dt + da/2dt
dc/ dt = 3/2 × da/ dt
Now, we know that the speed of the man is 1.5m/s ⇒ da/dt = 1.5
dc/dt = 3/2 × 1.5
= 2.25
Thus, the tip of the man's shadow is moving at a speed of 2.25m/s.
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Your question was incomplete. Check for full content below-
a street light is mounted at the top of 6 a -ft-tall pole. a man 2 ft tall walks away from the pole with a speed of 1.5m/s along a straight path. How fast is the tip of his shadow moving when he is 10ft from the pole?
Ue what you know about decimal or fraction to explain why 0. 2×0. 002 equal 0. 4
Using fractions, we can say that 0. 2×0. 002 equal 0. 4or in other way 0.0004.
What is a expression? What is a mathematical equation? What is Equation Modelling? What is denominator?
A mathematical expression is made up of terms (constants and variables) separated by mathematical operators. A mathematical equation is used to equate two expressions. Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem. In a fraction say (x/y), [y] is called denominator.
We have following expression -(0.2) • (0.002) = 0.0004
We have -
(0.2) x (0.002)
2/10 x 2/1000
1/5 x 1/500
1/2500
0.0004
Therefore, using fractions, we can say that 0.0004.
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Identify a value of k that transforms f into g, where g(x) = f(x) + k.
Answer:
k = 7
Step-by-step explanation:
You want to know the value of k that transforms f(x) = 2/3x -3 to g(x) = f(x) +k, where g(x) is 2/3x +4.
Vertical shiftThe amount of vertical shift to get from f(x) to g(x) can be found by subtracting f(x) from g(x):
g(x) = f(x) +k
g(x) -f(x) = k
(2/3x +4) -(2/3x -3) = k
4 -(-3) = k = 7
Function f(x) is shifted upward by k = 7 to transform it to g(x).
__
Additional comment
We can read the equations from the graph by looking for the y-intercept (b) and the slope (m = rise/run) of each line. The slope is rise=-2 for run=3, so m=-2/3.
The +k means the transformation is a vertical shift. You don't need to know what the equations for f(x) and g(x) are; you only need to look at the difference between the y-intercepts. That difference is the amount by which g(x) is shifted upward.
I need help on this question only for part A
Answer:
x-intercept: (-7,0)
y-intercept: (0,9)
Step-by-step explanation:
Which of the following is not a congruence rule of triangle.
a)SAS rule
b)ASA rule
c)SSS rule
d)AAA ruleâ
HELPPP Emma had to finish her 249-page novel by Friday. She had already read 166 pages. Write and solve an equation to show how many pages Emma had left to read by Friday. p + 166 = 249; p = 83 pages
p − 166 = 249; p = 415 pages
p over 166 equals 2; p = 332 pages
83p = 166; p = 2 pages
Answer:
[tex]p+166=249[/tex]; [tex]p=83[/tex] pages
Step-by-step explanation:
The number of pages that need to be read plus the 166 pages already read must add to 249.
A group of data items and their mean are given.
27, 45, 63, 108, 162, 243; Mean = 108
a. Find the deviation from the mean for each of the data items.
b. Find the sum of the deviations in part (a).
a. Type the deviation from the mean for each of the data items.
27
45
63
108
b. The sum of the deviations in part (a) is
162
243
□
a) The deviation from the mean for each term is given as follows:
27: 81.45: 63.63: 45.108: 0.162: 54.243: 135.b) The sum of all deviations obtained in part a is of 378.
How to calculate the deviation from the mean?The deviation from the mean of each term is given by the absolute value of the difference between each term and the mean.
Hence, for example, the absolute deviation of 27 from the mean of 108 is given as follows:
|27 - 108| = |-81| = 81.
(the absolute value of a number is the number without the signal).
For a number greater than the mean of 108, the deviation of 243 from the mean is given as follows:
|243 - 108| = |135| = 135.
Then the sum of all deviations obtained in part a is given as follows:
81 + 63 + 45 + 0 + 54 + 135 = 378.
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Describe the transformation of f(x) = x^2 represented by g(x) = 2(x-3)^2+4
Answer:
Step-by-step explanation:
The transformation represented by g(x) = 2(x-3)^2+4 is a parabolic stretch of the function f(x) = x^2.
The function f(x) = x^2 is a parabola with vertex at (0, 0). The transformation represented by g(x) = 2(x-3)^2+4 stretches this parabola horizontally by a factor of 2, shifting it 3 units to the right and 4 units up.
The resulting function g(x) = 2(x-3)^2+4 is a parabola with vertex at (3, 4). It is the graph of f(x) = x^2 that has been stretched horizontally by a factor of 2, shifted 3 units to the right, and 4 units up.
Please help me answer this question
No. Using Lin's method, there is an implicit assumption that [tex]d \neq 0[/tex]. However, the solution to the equation turns out to be [tex]d=0[/tex], making Lin's method invalid.
a group of students played a game in which they earned points for answering questions correctly. the following dotplot shows the total number of points earned by each student.
The best description of the distribution is bimodal with a gap.
Here in the plot, we can see that there are two peaks and it implies that there are two modes.
This can be seen in a histogram as a distinct gap between two cohesive groups of bars. When two clearly separate groups are visible in a histogram, you have a bimodal distribution. Literally, a bimodal distribution has two modes, or two distinct clusters of data
We can see that there is a gap between the two modes. So the best description of the distribution is bimodal with a gap.
The following dot-Plot shows the bimodal with a gap.
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A blood plasma donation company accepts 404040 volunteers per day. Based on previous data, they know that 15\%15%15, percent of volunteers will be turned away for some reason. Let xxx represent the number of patients that get turned away in a set of 404040 volunteers. Find the mean and standard deviation of xxx. You may round your answers to the nearest tenth.
Mean of the sample is 6 and standard deviation of the sample is 2.258
number of volunteers per day = 40
so n=40
what is sample proportion ?sample proportion is a random variable that varies from sample to sample in ways that are impossible to predict in advance.
sample proportion(p) = 15 %= 15 /100 =0.15
so p= 0.15
and hence q= 1 - p= 0.85
formula of mean = n * sample proportion = np.
mean of sample = np = 40 *0.15 =6
so mean = 6
so standard deviation or SD = [tex]\sqrt{p * q * n}[/tex]
standard deviation = [tex]\sqrt{p*q*n}[/tex]
=> √(40 × 0.15 × 0.85)
=> √5.1
so standard deviation = 2.258
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please show your work please
Answer:
A.
Step-by-step explanation:
5 x 14 = 70
x^1 x x^7 = 8
y^0 x y^5 = 5
A rectangle has a length of 4x + 5 and a width of 8x - 4. Which expression shows the perimeter of the rectangle?
Answer:
perimeter of rectangle= 2(l+b)
=2(4x+5+8x-4)
=2(12x+1)
24x+2
Answer:
perimeter of the rectangle = 24x + 2
Step-by-step explanation:
Perimeter of a rectangle = 2(length + width)
Then:
perimeter = 2(4x+5 + 8x-4)
perimeter = 2(4x+8x + 5-4)
perimeter = 2(12x + 1)
perimeter = 2*12x + 2*1
perimeter = 24x + 2
26. Make Sene and Perevere Suppoe x ha the ame value in both of the expreion you wrote for Exercie 25. Are the two expreion you wrote equivalent? Explain
No, The two expression you wrote is not true. Because expression are equivalent when values are substituted in for variables. So, both expression gave same answer. Then we can say equivalent expression.
What is expression?
Expression is a finite of symbols that are formed in accordance with dependent rule. It is a number, a variable and combination of variables or symbols. It can be possible by multiply, divide, subtraction and addition.
What is equivalent expression?
Equivalent expression that always work same but look different. When equivalent expression simplified they give same answer. If all the terms in the two expression are identical then we can expression are equivalent.
NOW we have expression
ax +3b
3b+xc
ax+3b=3b+xc
ax=xc
The two expression can only be equivalent if ax=xc it mean that a is equal to c. which is not true. So, they are not equivalent.
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Fatima is preparing food parcels to give to charity. She has 252 tins of beans, 168 chocolate bars and 294 packets of soup. Each food parcel must contain the same, and there must be nothing left over. What is the greatest number of parcels she can prepare, and what will be in each parcel?
Answer: 42 parcels total.
each parcel contains 6 tins of beans in each parcel, 4 chocolate bars, and 7 packets of soup.
Answer:
The number of packages is 42.
The contents of each package is 4 chocolate bars, 6 tins of beans, 7 packets of soup.
Step-by-step explanation:
We need to find the greatest common factor (GCF) of the three numbers to find the number of packages.
168 = 2³ × 3 × 7
252 = 2² × 3² × 7
294 = 2 × 3 × 7²
GCF = 2 × 3 × 7 = 42
The number of packages is 42.
168/42 = 4
252/42 = 6
294/42 = 7
The contents of each package is 4 chocolate bars, 6 tins of beans, 7 packets of soup.
Laine read 200 page in 240 minute. If Laine read 25 page at thi ame rate, how long will it take her?
It would take Laine 20.83 minutes to read 25 pages at the same rate.
Assuming that Laine was able to read 200 pages in 240 minutes at a consistent rate, it would take her 25 minutes to read 25 pages. To figure out how long it would take Laine to read 25 pages, we need to use a proportion.
Let x represent the time it will take Laine to read 25 pages.
200/240 = 25/x
Cross multiply to solve for x:
240x = 5000
Divide both sides by 240:
x = 20.83 minutes
Therefore, it would take Laine 20.83 minutes to read 25 pages at the same rate.
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please help really struggling!
Answer:
Step-by-step explanation:
First, they want you to recall that in a right triangle, that you know the angle y, because you know two of the angles already. and you know the total is 180° around a triangle. There is a lot you're supposed to remember. Anyway,
180 = y + 62+90
180-62-90 = y
28 = y
see??
z = the same length, as triangle IHK on the same segment
z= 1
For each equation, state whether there is no solution, one solution, or infinitely many
solutions. Explain your reasoning
Equations
1/3x - 6 = 1/3(x-3) - 5
8x + 7 = -8x + 7
0.8x + 14 = 0.8x
The number of solutions of each of the given linear equations are;
1) No solution
2) One solution
3) No solution
How to solve linear equations?1) We are given the equation;
¹/₃x - 6 = ¹/₃(x - 3) - 5
Expanding the bracket gives us;
¹/₃x - 6 = ¹/₃x - 1 - 5
The value that has the variable x is equal on both sides and so will cancel out leaving us with no solution.
2) 8x + 7 = -8x + 7
Add 8x to both sides to get;
16x + 7 = 7
subtract 7 from both sides to get;
16x = 0
x = 0
This has only one solution
3) 0.8x + 14 = 0.8x
The value attached to the variable on both sides are equal and so we say that this has no solution.
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3 Maria has a bag containing 18 fruit drop sweets. 10 are apple flavoured and 8 are blackberry
flavoured. She chooses a sweet at random and eats it. Then she chooses another sweet at
random. Calculate the probability that:
a)) both sweets were apple flavour
b)) both sweets were blackberry flavored
c)) the first was apple and the second was blackberry
Answer:
Step-by-step explanation:
It could be apple because there is more apple that blackberry fruit drops
Step-by-step explanation:
apple flavoured and 8 are blackberry
flavoured. She chooses a sweet at random and eats it. Then she chooses another sweet at
random. Calculate the probability
Solve for x. Figures are not necessarily drawn to scale.
Check the picture below.
[tex]\cfrac{17.5+14}{17.5}~~ = ~~\cfrac{x}{12.5}\implies \cfrac{(17.5+14)(12.5)}{17.5}~~ = ~~x\implies 22.5=x[/tex]
Which system of linear equations appears to have a solution of (–1, 4)?
(A) On a coordinate plane, 2 lines intersect at (1, negative 4).
(B) On a coordinate plane, 2 lines intersect at (1, 4).
(C) On a coordinate plane, 2 lines intersect at (negative 1, negative 4).
(D) On a coordinate plane, 2 lines intersect at (negative 1, 4).
Answer:
D
Step-by-step explanation:
Answer:
Answer is D
Step-by-step explanation:
Write a olution that contain ax2=y and ha no olution when a=4 and one olution otherwie
The equation "ax2 = y," which has one solution unless a = 4, and none unless a = 4, has a solution. x = √(-4ay) / (2a) restricted by the condition that y be negative.
We may use the quadratic formula to determine the solutions to an equation for various values of an to construct a solution to the equation "ax² = y," which has no solution when a = 4 & just one solution in all other cases.
According to the quadratic formula, the answers to the problem "ax2 + bx + c = 0" are provided by
x = (-b +/- √(b² - 4ac)) / (2a)
In this formula, if we add "ax² = y," we obtain
x = (-0 +/- √(0² - 4ay)) / (2a)
which simplifies to
x = √(-4ay) / (2a)
If a = 4, the equation becomes
x = √(-16y) / 8
The equation has no solutions if y is positive because the value of (-16y) is fictitious. The value of (-16y) is real if y is negative, but the equation is still unsolvable since x cannot have a negative value. As a result, when a = 4, the problem has no solutions.
The equation has a single solution provided by any other value of a.
x = √(-4ay) / (2a)
For example, if a = 3, the equation becomes
x = √(-12y) / 6
Since √(-12y) is imaginary if y is positive, the problem has no solutions. If y is negative, √(-12y) has a real value, and there is only one solution to the problem.
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