Answer:
1 mile=o.oo621371 meters
Step-by-step explanation: with that the answer would be 0.497097
Would someone help me with this?
Answer:
A,E
Step-by-step explanation:
A The minimum number of pages read was 24. The smallest number is the dot on the left side which is at 24
E The mean is the middle line in the box, this is at 48
6 divided by 1 5/16
Answer:
15/8 o 17/8 o 1.875
Step-by-step explanation:
just because
in poker, a royal flush is a hand with the ace, king, queen, jack and 10 of all one suit and is the best possible hand in the game. what is the probablity of a royal flush in a 5 card hand
The probability of a royal flush in a 5-card hand is 1/649740 or 0.0001539%.
The combination is a way of selecting a smaller number of sets from a larger number of sets in no particular order.
If selecting r items from a set of n items, in no particular order, we use combinations, using the formula:
nCr = n!/{r!(n - r)!}.
In the question, we are asked the probability of a royal flush in a 5 card hand.
The number of ways of selecting 5 cards from a deck can be computed using a combination, 52C5, as we have 52 cards in a deck, 5 cards are to be chosen and the order is not in concern.
52C5 = 52!/{5!(52 - 5)!} = 52!/(5!.47!) = (52*51*50*49*48)/(5*4*3*2*1) = 2598960.
The number of hands that make a royal flush is only 4. 4 from each suit.
Therefore, the probability = 4/2598960 = 1/649740 or 0.0001539%.
Therefore, the probability of a royal flush in a 5-card hand is 1/649740 or 0.0001539%.
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Which of the following polynomial functions is graphed below
Answer:
A, the other person was correct
Step-by-step explanation:
The polynomial functions is graphed below is f(x) = (x+ 4)(x- 2)².
What is Function?a mathematical phrase, rule, or law that establishes the link between an independent variable and a dependent variable (the dependent variable).
There are three components that make up a function: a set of inputs, a set of outputs, and a rule that links the elements of the input set to the elements of the output set so that each input is paired with exactly one output.
We have a graph for polynomial function.
We know that the function of graph have solution where the graph touches or passes the x axis.
Here from the graph at x = -4 and at x= 2 the touches and moves upward.
So, the factors of polynomial are (x+ 4) and (x- 2).
Thus, the polynomial function is f(x) = (x+ 4)(x- 2)².
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what are the correct steps in finding the linear equation of a line that passes threw the points (-1,7) and (2,4) using the point slope form method?
We have to find the equation of a line fo which we know two points, using the point-slope form.
The point-slope let us write the equation of the line knowing the value of the slope m and the coordinates of one point (x0,y0) of the line:
\(y-y_0=m(x-x_0)\)We use the two known points to calculate the slope m:
\(m=\frac{\Delta y}{\Delta x}=\frac{y_2-y_1}{x_2-x_1}=\frac{4-7}{2-(-1)}=\frac{-3}{3}=-1\)Using the point (-1,7), we can write the equation as:
\(\begin{gathered} m=-1 \\ (x_0,y_0)=(-1,7) \\ \\ y-7=-1\cdot(x-(-1)) \\ y-7=-(x+1) \\ y-7=-x-1 \\ y=-x-1+7 \\ y=-x+6 \end{gathered}\)Answer: From the options, the right ones are:
y-7=-1(x-(-1))
y-4=-1(x-2) --> this one would have been used if we picked the point (2,4) instead of (-1,7)
y=-x+6
For problems 7-10, name the relationship: complementary angles, supplementary angles, or vertical angles. For problems 11 and 12, find the missing angle measure indicated by the letter. In problems 13-18, set up an accurate equation based on the angle relationship, and solve for x.
9) Vertically opposite angles
10) Supplementary angles
11) Vertical angles
12) Linear pair angles
13 Supplementary
14.vertically
What theorems can be used to find the value of the variables?9) The given angles, a and b are formed on the opposite side of the intersection of two lines.
Therefore, the relationship between angles a and b is; a and b are vertically opposite angles.
Vertical angles are angles formed by two lines when they cross, and they are located on opposite relative to each other
10) The given angles are located on the same line and together form a straight line, therefore, they are linear pair angles
Linear pair angles are supplementary, therefore;
The relationship between angles a and b is that they are supplementary angles.
11) Angles b and the 79° angle are vertically opposite angles
From vertical angles theorem, angles that are vertically opposite angles are always congruent.
Therefore;
‹b is congruent to the 79° angle, which gives;
\( \angle b = 79^{\circ} \)
12) Angles b and the 49° angle are linear pair angles
linear pair angles are supplementary, therefore;
b + 49° = 180°
b = 180° - 49° = 121°
b = 121°
13) The 2•x angle and the 64° angle are supplementary angles, therefore;
2•x + 64° = 180°
2•x = 180° - 64° = 116°
x = 116°/2 = 58°
x = 58°
14) The (1 + 2•x)° and the 73° angles are vertically opposite angles, therefore;
(1 + 2•x)° = 73°
(2•x)° = (73 - 1)° = 72°
x = 72°/2 = 36°
x = 36°
15) (x + 2)° and 134° are linear pair angles, therefore;
(x + 2)° + 134° = 180°
(x + 2)° = 180° - 134° = 46°
x = 46° - 2° = 44°
x = 44°
16) 61° and (1 + 3•x)° are vertically opposite angles, therefore;
61° = (1 + 3•x)°
3•x° = (61 - 1)° = 62°
x = 62°/3 = 21°
x = 21°
17) The given angles are complementary angles, therefore;
6•x + 1 + 2•x + 1 = 8•x + 2 = 90°
8•x + 2 = 90°
8•x = 90° - 2
x = 88°
18) The given angles are complementary angles, therefore;
4•x + 3 + 35 = 90°
4•x = 90°- 38° = 52°
4•x
Therefore;
x = 52°/4 = 13°
x = 13°
Please help need done by 2:00 pm
Based on the instructions given, the next step would be to subtract 40 to the current number.
How to explain the informationInitial number: 5.
Subtract 40: Assuming we start with the number 5, subtracting 40 would give us -35.
Subtract 5: If we take the result from step 2 (-35) and subtract 5, we would have -40.
At this point, the current number is -40. The next step you provided is "A - Subtract 40
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a farmer bought seeds worth 45000. he bought fertilizers worth 5000. he sent 2500 as transportation charges. he sold the crops for a profit of 20%. find the selling price
Answer:
Answer: selling price is 63000
Step-by-step explanation:
Farmer bought seeds of ₹45000
Farmer bought fertilizers of ₹5000
Farmer spent on transportation₹25000
Total c.p. of crops is ₹52500
He got a profit of20%
Selling price =?
S.p. =20/100*52500
=10500
S.p.=c.p.+profit
=52500+10500
=63000
how much 500 grams to pounds?
500 grams is approximately equal to 1.1023 pounds ( rounded to four decimal places )
The conversion factor to convert grams to pounds is 0.00220462
1 gram = 0.00220462 pounds
The conversion is the process of changing the unit of one quantity to another units
The conversion factor is defined as the number that is used to change one unit to another units by multiplying or dividing
The mass in pounds = The mass in grams × conversion factor
Substitute the values in the equation
1 gram = 0.00220462 pounds
500 grams = 500 × 0.00220462
Multiply the numbers
= 1.1023 pounds ( rounded to four decimal places )
Therefore, 250 grams is 0.5511 pounds
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Write the following number in scientific notation: 0.0008228
PLEASE HELP QUICK
Answer:
0.0008228 to standard form =
8.228 x 10^-4
please HELPPPPPPPPPPPPP
25.13274122.
....................
2. Decompose 5x1 r³-r Check: Did you get into partial fractions using the cover-up method. x + 2 r-1 3 x+1 ?
The simplified form of the expression after multiplying by the common denominator (x - 1)³(x + 1) is 5x + 2(x + 1)³(x + 1)C + 2(x - 1)³(x - 1)B. This form represents the partial fraction decomposition using the cover-up method for the given expression.
To decompose the rational expression, 5x/(x³ - x) + 2/(x - 1)³, into partial fractions using the cover-up method, we follow these steps:
Step 1: Factorize the denominator of the rational expression. In this case, x³ - x can be factored as x(x - 1)(x + 1).
Step 2: Write the decomposition in the form A/(x - a) + B/(x - b) + C/(x - c), where A, B, and C are constants to be determined, and a, b, and c are the distinct linear factors of the denominator.
Step 3: Multiply the entire expression by the common denominator (x - 1)³(x + 1) and simplify to obtain the form 5x + 2(x + 1)³(x + 1)C + 2(x - 1)³(x - 1)B.
Step 4: Apply the cover-up method by setting x equal to each distinct factor of the denominator and solving for the corresponding constant. By setting x = 1, we can determine the value of A, and by setting x = -1, we can determine the value of C.
Step 5: Simplify the expression by substituting the obtained values of A, B, and C back into the decomposition.
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please help!!! i really need a good grade on this test.
Answer:
c) 1
Step-by-step explanation:
Answer:
- 5/12
Step-by-step explanation:
It's pretty much reciprocal.
Mr. Ashton has a 4-foot by 8-foot sheet of plywood that weighs 46.2 pounds. How many pounds would 14.5 sheets of plywood weigh
If the area of the sheet is 14.5 square feet. Then the weight of the sheet of plywood will be 20.93 pounds.
What are ratio and proportion?A ratio is a group of sequentially ordered numbers a and b expressed as a/b, where b is never equal to zero. When two objects are equal, a statement is said to be proportional.
A sheet of plywood measuring 4 feet by 8 feet and weighing 46.2 pounds belongs to Mr. Ashton.
The weight of the sheet of plywood in the unit square foot is given as,
⇒ 46.2 / (4 x 8)
⇒ 1.44375
If the area of the sheet is 14.5 square feet. Then the weight of the sheet of plywood is given as,
⇒ 1.44375 x 14.5
⇒ 20.93 pounds
If the area of the sheet is 14.5 square feet. Then the weight of the sheet of plywood will be 20.93 pounds.
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I need to find the value of x and the measure of the exterior angle
Given:
In a right angle triangle, the measure of exterior angle is \((9x+16)^\circ\).
The measure of opposite interior angle is \((5x-14)^\circ\).
To find:
The value of x.
Solution:
Exterior angle theorem: In a triangle the measure of an exterior angle is equal to the measure of sum of two interior angles.
Using exterior angle theorem, we get
\((9x+16)^\circ=90^\circ+(5x-14)^\circ\)
\((9x+16)^\circ=(5x+76)^\circ\)
\(9x+16=5x+76\)
Isolate the variable x.
\(9x-5x=-16+76\)
\(4x=60\)
\(x=\dfrac{60}{4}\)
\(x=15\)
The value of x is 15. So, the measure of the exterior angle is:
\((9x+16)^\circ=(9(15)+16)^\circ\)
\((9x+16)^\circ=(135+16)^\circ\)
\((9x+16)^\circ=151^\circ\)
Therefore, the value of x is 15 and the measure of the exterior angle is 151 degrees.
What is the volume of this rectangular prism?
Answer:
1cm³
Step-by-step explanation:
You do not need a calculator for this.
The formula for the volume of a rectangular prism is:
Length × Width × Height = Volume
If we substitute our numbers in:
5/4 × 4/3 × 3/5 = 1cm³
All you need to do is multiply across.
5 × 4 × 3 = 60
4 × 3 × 5 = 60
The numerator and denominator both equal 60. So the fraction would look like this if you were to keep it as a fraction.
60/60
your box of cereal may be a contest winner! it's rattling, which 100% of winning boxes do. of course 1% of all boxes rattle and only one box in a million is a winner. what is the probability that your box is a winner? note on answer formatting: please specify your answer as a decimal probability (i.e. .05 rather than 5%). do not include zeros before the decimal. to receive credit, your answer must match ours exactly.
The probability that the box is a winner is 0.0001.
Probability of Winning BoxThe steps to calculate the probability that your box is a winner are as follows:
The probability that a box rattles is 1%. Therefore, the probability that a box does not rattle is 99%.The probability that a box is a winner given that it rattles is 100%.The probability that a box is a winner given that it does not rattle is 0%.Using Bayes' theorem, we can calculate the probability that a box is a winner by taking into account both the probability that it rattles and the probability that it is a winner given that it rattles.P(winner | rattles) = P(rattles | winner) * P(winner) / P(rattles)
P(winner | rattles) = (1/1000000) * (1) / (1/100)
P(winner | rattles) = 0.0001
So the probability that the box is a winner is 0.0001.
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A circle has a circumference of 20π meters. If a sector has a central angle of 45°, what is the arc length of the sector? Use pi = 3.14
the arc length of the sector is 7.85 meters.
Define circumferenceThe circumference is define for a circle is given by the formula:
C = 2πr
where C is the circumference, π is the value of pi, and r is the radius of the circle.
In this case, the circumference of the circle is given as 20π meters. So we can write:
20π = 2πr
Dividing both sides by 2π, we get:
r = 10 meters
The arc length of a sector of a circle with central angle θ and radius r is given by the formula:
Arc length = (θ/360°) x 2πr
where θ is the central angle in degrees.
In this case, the central angle of the sector is 45°, and the radius of the circle is 10 meters. So we can substitute these values into the formula:
Arc length = (45/360) x 2π(10) = (1/8) x 20π = 2.5π
Using the value of pi as 3.14, we can calculate the arc length as:
2.5π = 2.5 x 3.14 = 7.85 meters
Therefore, the arc length of the sector is 7.85 meters.
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If a marble is randomly chosen from a bag that contains exactly 8 red marbles, 6 blue marbles, and 6 white marbles. What is the probability that the first marble will NOT be white and the second will BE white?
Answer:
Step-by-step explanation:
so theres 8 red marbles, 6 blue marbles, and 6 white marbles so that makes
8 + 6 + 6 = 20 marbles in total
the probability of the marble being white is 6/20 or 3/10
so the probabilty of the marble NOT being white is 1 - (3/10) = 7/10
PLEASE HELP ASAP!!!!!
Answer:
D. 30
Step-by-step explanation:
60 = 2x
30 = x
,..............................
Answer:
,..............................!!!
Step-by-step explanation:
PLEASE HELP!! A classmate wrote the set notation for the values of the domain of a function {−5, −4, −3, −2, −1, 0} as {x | −5 ≤ x ≤ 0}. Explain the student's error.
A. The student should have listed 0 before −5
B. The set notation includes all values from −5 to 0, but the domain only includes the integer values.
C. The student should have used less than symbols rather than less than or equal to symbols.
D. The student should have used greater than or equal to symbols rather than less than or equal to symbols.
The set notation includes all values from -5 to 0, but the domain only includes the integer values
eg: something like -1.2 is in the second set, but it is not in the set {-5,-4,-3,-2,-1}
==========================================================
Further explanation:
Let's go through the answer choices one by one
A. This is false because 0 does not come before -5, but instead -5 is listed first. The order -5,-4,-3,-2,-1,0 is correct meaning that \(-5 \le x \le 0\) is the correct order as well.B. This is true. A value like x = -1.2 is in the set \(\left\{x| -5 \le x \le 0\right\}\) since -1.2 is between -5 and 0; but -1.2 is not in the set {-5, -4, -3, -2, -1, 0}. So the distinction is that we're either considering integers only or all real numbers in this interval. To ensure that we only look at integers, the student would have to write \(\left\{x| x\in\mathbb{Z}, \ -5 \le x \le 0\right\}\). The portion \(x \in \mathbb{Z}\) means "x is in the set of integers". The Z refers to the German word Zahlen, which translates to "numbers". C. This is false. The student used the correct inequality signs to indicate x is -5 or larger and also 0 or smaller; basically x is between -5 and 0 inclusive of both endpoints. The "or equal to" portions indicate we are keeping the endpoints and not excluding them.D. This is false. Writing \(-5 \ge x \ge 0\) would not make any sense. This is because that compound inequality breaks down into \(-5 \ge x \ \text{ and } \ x \ge 0\). Try to think of a number that is both smaller than -5 AND also larger than 0. It can't be done. No such number exists.Can someone please help me?
Answer:
\(cosx=\frac{67}{77} =>x=29.5\)
Step-by-step explanation:
a dream club charges $150 for the first month of membership, and $5 less each month after that. what is the total membership for a year? for 2 years?
Answer:
for a year it would be 90 dollars i think and for the second year i think it would be 30 because a year is 12 months and every month they take away 5 so 12x5 is 60 so 150 minus 60 is 90 and for the second year 90 minus 60 is 30
Step-by-step explanation: Math :)
An architect is designing a water fountain for a park. She uses the given function to model the water jets flowing from the fountain's nozzles,
where h(x) gives the height of the water jet, in feet, x feet from its starting point.
The two adjacent columns that show an interval with an average rate of change of -0.3 are column 7ᵗʰ and 8ᵗʰ.
We have a function used by an architect is designing a water fountain for a park. The function is defined as h(x) = - x²/20 + x + 15
where h(x) --> height of the water jet, in feet,
x --> distance from its starting point in feet.Also , the average rate of change = - 0.3
Average rate of change is used to measure the change in value of function per unit, on average over an interval. It is derived from the slope line which is formed bu joining the end points of graph. Formula is represented as
A(x) = {F(b) - F(a)}/(b - a)
where b and a are end points of interval.
In this case, this formula is used as
A(x) = {H(x₂) - H(x₁)}/(x₂ - x₁ )
=> -0.3 = {H(x₂) - H(x₁)}/(x₂ - x₁ )
As we see in above figure the difference between the any two values of x is equals to 2 i.e., the final value - initial value = 2 in an interval.
So, x₂ - x₁ = 2
=> -0.3 = {H(x₂) - H(x₁)}/2
=> -0.3× 2 = H(x₂) - H(x₁)
=> -0.6 = H(x₂) - H(x₁)
=> H(x₂) = H(x₁) - 0.6
so, the columns which follows this relationship are the following
distance , x 12 14
Height of jet , h(x) 19.8 19.2
Hence, the required relationship is H(x₂) = H(x₁) - 0.6.
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Complete question:
An architect is designing a water fountain for a park. She uses the given function to model the water jets flowing from the fountain's nozzles,
where h(x) gives the height of the water jet, in feet, x feet from its starting point. select two adjacent columns that show an interval with an average rate of change of -0.3
context.
The expression s2 is used to calculate the area of a square, where s is the side length of the square. What does the expression (8x)2 represent?
O the area of a square with a side length of 16
O the area of a square with a side length of 8
O the area of a square with a side length of 4x
O the area of a square with a side length of 8x
The company Larry works for charges $10 for each service call, plus an additional $5 for each hour spent on the call Larry created the graph below to model this relationship Service Call Charges. Which statement about the graph and charges is true? A. The graph that Larry created is a correct representation of his company's charges. B. The rate of change on Larry's graph is correct, but the y-intercept is incorrect C. The rate of change on Larry's graph is less than the rate his company charges. D. The rate of change on Larry's graph is greater than the rate his company charges.
Answer:
A. The graph that Larry created is a correct representation of his company's charges.
Step-by-step explanation:
The equation for the services charges, y, is made up of the $10 initial service call fee plus $5 times the number of hours, x.
y = 5x + 10
Try any 2 values for x to see if they fits the graph.
x(hr) y($)
0 10
1 15
4 30
This is the line already drawn on the graph. Larry did everything correctly, so options B, C, and D are all false/incorrect.
Manny is repairing a window air conditioning unit on the 11th floor of a building and is approximately 98 feet off the ground. While working, Manny drops his screwdriver. The height of the screwdriver in feet after t seconds of falling from the 11th floor is modeled by the function h = -16t + 98. How long will it take for the screwdriver to reach the ground? Show your work below and round to the nearest tenth if necessary.
* ACTUALLY GIVE ME THE ANSWER please.
Answer:
t = 2.5 seconds
Step-by-step explanation:
Homer's Home Supply Store ships a specific model of a bathroom vanity in cube-shaped boxes. Each box has a volume of one cubic meter. The boxes are loaded onto a truck that is shaped like a rectangular prism. The floor of the truck can be completely covered with a layer of 8 boxes. If 2 layers will fill the entire truck, what is the volume of the truck?
If 2 layers will fill the entire truck then the volume of the truck is 16 cubic meters.
Since the floor of the truck can be completely covered with a layer of 8 boxes, we know that the area of the truck's floor is equal to the total area of 8 boxes.
The volume of each box is one cubic meter, which means each box has a height, length, and width of 1 meter. Therefore, the area of the truck's floor is 8 square meters (8 boxes x 1 square meter per box).
If two layers of boxes will fill the entire truck, we need to multiply the area of the truck's floor by the height of two layers. Since each box has a height of 1 meter, the height of two layers will be 2 meters.
The volume of the truck = Area of the floor x Height
Volume of the truck = 8 square meters x 2 meters
Volume of the truck = 16 cubic meters
Therefore, the volume of the truck is 16 cubic meters.
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Problem #2: In R², the + operation is defined as follows: (X1, X2) + (y1, y2) = (X1 + Y1, X2 + y2) Prove that: H₁ = {( a, 0): a € R} is a subgroup of R²
Given information: The + operation is defined as follows: (X1, X2) + (y1, y2)
= (X1 + Y1, X2 + y2)H₁
= {( a, 0): a € R}
To show that H₁ is a subgroup of R², we need to prove the following conditions: Closed under +:If a, b € H₁, then a + b € H₁a, b € H₁ means that a = (a, 0) and
b = (b, 0).Then,
a + b = (a, 0) + (b, 0)
= (a + b, 0) = cNow, c € H₁, because
c = (a + b, 0), where a + b € R and 0 € R.
The above condition satisfies that H₁ is closed under +.Identity element: In H₁, the identity element is (0, 0), since (0, 0) + (a, 0)
= (a, 0) + (0, 0)
= (a, 0), ∀a € R. So, H₁ has an identity element. Inverse element: If (a, 0) € H₁, then the inverse of (a, 0) is (-a, 0) since (a, 0) + (-a, 0)
= (-a, 0) + (a, 0)
= (0, 0).Thus, H₁ has an inverse element. Therefore, H₁ is a subgroup of R².
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