Answer:
A
d
Step-by-step explanation:
H= 51.34
Please work out the volume of this.
The volume of the prism is
70 cm³How to find the volume of the prismThe volume of the prism is solved by the formula
= area of triangle * depth
Area of the triangle
= 1/2 base * height
base = p = cos 51.34 * √41 = 4
height = q = sin 51.34 * √41 = 5
= 1/2 * 4 * 5
= 10
volume of the prism
= area of triangle * depth
= 10 * 7
= 70 cm³
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AlusTranslate the triangle.Then enter the new coordinates.A (3,0)A' ([?], [])B'([],[ ]C'([ ]:[]).B(4,-2)(1-3)<-5.3Enter
a method to solving a system of equations using the coordinate and
Answer:
Systems by Graphing
Step-by-step explanation:
Write the equation of the line fully simplified slope-intercept form.
HELP ME PLEASE
The equation of line in slope intercept form is y = -0.5x -3.
What is slope intercept form?
The graph of the equation y = mx + b is a line with slope m and y-intercept b. The slope-intercept method is used to depict the linear equation, where m and b are real numbers.
We are given a line on the graph.
Taking two points as (2, -4) and (-2, -2), we get the slope as
⇒m = \(\frac{-2 +4 }{-2-2}\)
⇒m = \(\frac{2 }{-4}\)
⇒m = \(\frac{-1 }{2}\)
⇒m = -0.5
Similarly,
b = -3
We know that slope intercept form is given by
y = mx + b
On substituting, we get
y = -0.5x -3
Hence, the equation of line in slope intercept form is y = -0.5x -3.
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define a function that transforms the parent root function with a horizontal compression by a factor of 2 and a downward shift of 6 untis
The transformed function would have a value of -5 when the parent root function has a value of 4.
The function that transforms the parent root function with a horizontal compression by a factor of 2 and a downward shift of 6 units can be represented as follows:
\(f(x) = \frac{1}{2} \times \sqrt{x} - 6\)
This function takes the parent root function, which is represented as \(\sqrt{x}\), and applies a horizontal compression by a factor of 2 by dividing the function by 2. It then applies a downward shift of 6 units by subtracting 6 from the function.
For example, if we input the value x = 4 into the function, we would get the following result:
\(f(4) =\frac{1}{2} \times \sqrt{4} - 6 = \frac{1}{2} \times 2 - 6 = 1 - 6 = -5\)
This means that the transformed function would have a value of -5 when the parent root function has a value of 4.
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The steps a student took to solve an equation are shown below.
(-8
(-8x+20) = -8(-*-3)
Step 1: -6x +15 = 8x + 24
Step 2:15 = 2x + 24
Step 3: -9 = 2x
Step 4: x==3
What error did the student make and what is the correct value of x?
Explain your answer
Answer:
after step 2 the student made mistake because (-)(minus) will turn into +(plus)
The correct value of x is 3 and student done mistakes in second and fourth steps.
What is Equation?Two or more expressions with an Equal sign is called as Equation.
The given equation is (-6x+15) = -8(-x-3)
The steps solved by student are
Step 1: -6x +15 = 8x + 24
Step 2:15 = 2x + 24
Step 3: -9 = 2x
Step 4: x==3
In the first step there is no error.
In step 2, the RHS Right hand side should be 14x+24 but the student has written 2x which is error.
Step 3 is correct
Step 4 has the error when nine is divided by 2 then the result will be 4.5 but not three
So the value of x should be 3.
Hence, the correct value of x is 3 and student done misakes in second and fourth steps.
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Renz wishes to make an open box froma square piece of cardboard with a sidethat measures 15 inches by cuttingequal squares from the four cornersand folding the sides. what will be thevolume of the box if he cuts a squarewith 2 inch sides?
2.5 inches will be the volume of the box if he cuts a square with 2 inch sides.
What is volume ?
Every three-dimensional item takes up space in some way. The volume of this area is what is being measured. The area contained by an object's limits in three-dimensional space is referred to as its volume. It is sometimes referred to as the object's capacity.Let each side of he square that's cut-off from each corner be represented by x.
This means that the base of the box will be of dimension of the side 15−2x while the height of the box will be x.
Thus;
Volume of box is:
V = (15 − 2x)(15 − 2x)x
V = (15 − 2x)²x
V = (4x² - 60x + 225)x
V = 4x³ - 60x² + 225x
Let's differentiate with respect to x to get;
dV/dx = 12x² - 120x + 225
Maximum value of x is at dV/dx = 0
12x² - 120x + 225 = 0
Using quadratic formula, we arrive at;
x = 2.5 or 7.5
Now, let's find the second derivative of the volume;
d²V/dx² = 24x - 120
Putting x = 2.5 gives;
d²V/dx² = 24(2.5) - 120
d²V/dx² = -60Thus, V is maximum at x = 2.5, since d²V/dx² is negative
At x = 7.5;
d²V/dx² = 24(7.5) - 120
d²V/dx² = 60
Thus, V is minimum at x = 7.5, since d²V/dx² is negative
Thus,we will use x = 2.5
Maximum volume; V = (15 − 2(2.5))(15 − 2(2.5))(2.5)
V = 10 × 10 × 2.5
V = 250 Sq.inches
Dimensions are;
(15 − 2x) = 15 - 2(2.5) = 10 inches
(15 − 2x) = 15 - 2(2.5) = 10 inches
x = 2.5 inches
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A line passes through the point (4, -7) and has a slope of -5/4 write an equation in point slope form for this line
Answer:
y + 7 = -5/4(x - 4)
Step-by-step explanation:
The formula for point slope form is [ y - y1 = m(x - x1) ].
We are already given all the information needed so fill it in into the formula.
y - (-7) = -5/4(x - 4)
y + 7 = -5/4(x - 4)
Best of Luck!
Is 9/6=5/3equivalent
Answer:
No
Step-by-step explanation:
if the energy used were used to lift a weight of m = 340 kg, write an equation of the height h that the weight can be lifted in terms of p, δt, and m?
The height in which the weight is lifted is given as h = (P x δt) / m
What is the height h which the weight is liftedThe work done in lifting a weight is given by:
W = F x d
where F is the force required to lift the weight and d is the distance through which the weight is lifted.
The force required to lift the weight is equal to its weight, which is given by:
F = m x g
where m is the mass of the weight and g is the acceleration due to gravity.
The distance through which the weight can be lifted is given by:
d = h
where h is the height to which the weight is lifted.
If the energy used to lift the weight is given by p, and δt is the time taken to lift the weight, then the power used is given by:
P = p / δt
We can use the formula for power to express the force in terms of p and δt:
P = F x v = F x d / δt
F = P x δt / d
Substituting the expressions for F and d into the formula for work, we get:
W = (m x g x h) = (P x δt x h) / d
Solving for h, we get:
h = (P x δt x d) / (m x g)
Substituting the expression for d (d = h), we get:
h = (P x δt x h) / (m x g)
Multiplying both sides by (m x g), we get:
h x m x g = P x δt x h
Dividing both sides by (m x g), we get the final equation:
h = (P x δt) / m
Therefore, the height to which the weight can be lifted (h) in terms of p, δt, and m is given by:
h = (P x δt) / m
where P is the power used to lift the weight, δt is the time taken to lift the weight, and m is the mass of the weight.
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Help plz..And No links!! I repeat No links!!
0.46
Step-by-step explanation:
23÷50= 0.46
.
.
.
.
.
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A man keeps birds in a big cage in his garden.
2
of the birds are brown.
5
4 of the birds are black.
The rest of the birds are white.
The man takes a bird out of the cage at random.
The probability that this bird is black is 0.2.
How many of the birds in the cage are white?
Help aspp please thank you
The equation of the line would be y = (-3/4)x + 5.
What is the slope-point form of the line?
For the line having slope "m" and the point (x1, y1) the equation of the line passing through the point (x1, y1) having slope 'm' would be
y - y1 = m(x - x1)
The given equation is \(y=-\frac{3}{4}x-17\)
The required line is parallel to the given line.
and we know that the slopes of the parallel lines are equal so the slope of the required line would be m = -3/4
And the required line passes through (8, -1)
so by using slope - point form of the line,
y - (-1) = (-3/4)(x - 8)
y + 1 = (-3/4)x - (-3/4)8
y + 1 = (-3/4)x + 24/4
y = (-3/4)x + (12/2 - 1)
y = (-3/4)x + 5
Hence, the equation of the line would be y = (-3/4)x + 5.
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If angle 1 is 110°, what would the other angle measures have to be in order for m || n and
q || p?
Angle 2 =
°
Angle 3 =
°
Angle 4 =
°
Answer:
Angle 2: 110 degrees, 1 and 2 would have to be the same for the lines to be parallel
Angle 3: 70 degrees angle 3 would have to be the complement to angle 1, so 1+3=180 and 70*3=180, so 3=70 degrees
Angle 4: 70 degrees, 3 and 4 have to be the same opposite angles for the lines to be parallel
Answer:
angle 2: 110
angle 3: 70
angle 4: 70
Using mathematical induction, prove that n^3+2n is divisible by 3 for all integers n
To prove that n^3 + 2n is divisible by 3 for all integers n using mathematical induction, we need to show that it holds for the base case (n = 0) and then demonstrate that if it holds for any arbitrary integer k, it also holds for k + 1.
**Base Case (n = 0):**
When n = 0, we have 0^3 + 2(0) = 0 + 0 = 0. Since 0 is divisible by any integer, including 3, the base case is satisfied.
**Inductive Step:**
Assume that for some arbitrary integer k, k^3 + 2k is divisible by 3.
Now, we need to prove that it holds for k + 1, which means showing that (k + 1)^3 + 2(k + 1) is also divisible by 3.
Expanding (k + 1)^3 using the binomial theorem, we get:
(k + 1)^3 = k^3 + 3k^2 + 3k + 1
Substituting this back into (k + 1)^3 + 2(k + 1), we have:
(k + 1)^3 + 2(k + 1) = k^3 + 3k^2 + 3k + 1 + 2k + 2
= k^3 + 3k^2 + 5k + 3
Now, we can rewrite this expression as:
k^3 + 2k + 3k^2 + 3k + 3
Using the assumption that k^3 + 2k is divisible by 3 (inductive hypothesis), we can express this as a multiple of 3:
3m + 3k^2 + 3k + 3 = 3(m + k^2 + k + 1)
Since (m + k^2 + k + 1) is an integer, we have shown that (k + 1)^3 + 2(k + 1) is divisible by 3.
By satisfying the base case and demonstrating the inductive step, we have proven that n^3 + 2n is divisible by 3 for all integers n using mathematical induction.
we have proven that n³ + 2n is divisible by 3 for all integers n by mathematical induction.
To prove that the expression n³ + 2n is divisible by 3 for all integers n, we will use mathematical induction.
Let's first verify the statement for the base case, which is n = 0.
When n = 0, we have
0³ + 2(0) = 0 + 0 = 0,
which is divisible by 3 since 0 divided by any non-zero number is always 0 with no remainder.
Assume that the statement holds true for some arbitrary integer \(k\), where k is a non-negative integer. That is, assume that \(k^3 + 2k\) is divisible by 3.
We need to prove that the statement also holds true for k+1. That is, we need to show that (k+1)³ + 2(k+1) is divisible by 3.
Expanding (k+1)³ + 2(k+1), we get:
(k+1)³ + 2(k+1) = k³ + 3k² + 3k + 1 + 2k + 2
= k³ + 3k² + 5k + 3.
Now, let's express (k+1)³ + 2(k+1) in terms of our inductive hypothesis:
k³ + 3k² + 5k + 3 = (k³ + 2k) + (3k² + 3k + 3).
By our inductive hypothesis, we know that k³ + 2k is divisible by 3. Therefore, we can write k^3 + 2k as 3m for some integer m.
Substituting this back into our expression, we have:
(k³ + 2k) + (3k² + 3k + 3) = 3m + 3(k² + k + 1)
= 3(m + k² + k + 1)
The expression 3(m + k² + k + 1) is a multiple of 3 since it can be written as 3(m + k² + k + 1). Therefore, we have shown that (k+1)³ + 2(k+1) is divisible by 3.
By completing the base case and the inductive step, we have proven that n³ + 2n is divisible by 3 for all integers n by mathematical induction.
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suppose that rosa's favorite is sausage and onion, but her mom can't remember that, and she is going to randomly choose 222 different toppings. what is the probability that rosa's mom chooses sausage and onion?
The probability of choosing sausage and onion by Rosa's mom from the given 8 different toppings as per given condition is equal to
(1/ ⁸C₂).
As given in the question,
Total number of different toppings = 8
Number of different toppings choose by Rosa's mom randomly = 2
Possibility of choosing sausage and onion (any one) = 1
Total number of outcomes = ⁸C₂
Number of favorable outcomes = 1
Probability of choosing sausage and onion ( exactly ) one topping
= ( Number of favorable outcomes ) / ( Total number of outcomes )
= ( 1/⁸C₂ )
Therefore, the probability when Rosa's mom chooses sausage and onion out of 8 toppings is equal to ( 1/⁸C₂ ).
The above question is incomplete, the complete question is:
A pizza restaurant is offering a special price on pizzas with 2 toppings. They offer the toppings
below:
Pepperoni ,Sausage, Chicken , Green pepper , Mushroom ,Pineapple, Ham, Onion
Suppose that Rosa's favorite is sausage and onion, but her mom can't remember that, and she is going to randomly choose 2 different toppings.
What is the probability that Rosa's mom chooses sausage and onion?
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Answer:
1/8c^2
Step-by-step explanation:
Khan Acadmey
Given points A(-1,4) and B(x,7), determine the value(s) of x if AB=5cm
The value of x is either 3 or -5 based on the distance formula.
What is a co-ordinate system?
In pure mathematics, a coordinate system could be a system that uses one or additional numbers, or coordinates, to uniquely confirm the position of the points or different geometric components on a manifold like euclidean space.
Main body:
according to question
Given points A(-1,4) and B(x,7)
Also AB = 5 cm
Formula of distance = \(\sqrt{(y1-y2)^{2}+(x1 -x2)^{2} }\)
here by using points ,
5 = \(\sqrt{(x+1)^{2} +(7-4)^{2} }\)
taking square on both side ,'
25 = \((x+1)^{2} +3^{2}\)
25-9 = (x+1)²
16 = (x+1)²
taking square root on both sides,
x+1= ±4
x = 4-1 = 3 or x = -4-1 = -5
Hence value of x is either 3 or -5.
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what is the equation for determining the probability of two independent events occurring at the same time?the probability that at least one of the two independent events occurs
The equation for determining the probability of two independent events occurring at the same time is, P(A and B) = P(A) * P(B). The probability that at least one of the two independent events occurs is, P(A or B) = 1 - (P(not A) * P(not B)).
The equation for determining the probability of two independent events occurring at the same time is the product of their individual probabilities. For independent events A and B, the equation is:
P(A and B) = P(A) * P(B)
To find the probability that at least one of the two independent events occurs, you can use the complement rule. First, calculate the probability that neither event occurs (i.e., both events don't occur), and then subtract that from 1:
P(A or B) = 1 - P(not A and not B)
Since A and B are independent, the equation for the probability of neither event occurring is:
P(not A and not B) = P(not A) * P(not B)
So the final equation for the probability that at least one of the two independent events occurs is:
P(A or B) = 1 - (P(not A) * P(not B))
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How can you prove the triangle sum theorem?
The sum of angle in a triangle is 180°
What is the sum of angle in a triangle?A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry. A triangle with vertices A, B, and C is denoted \triangle ABC.
The sum of angle A, B and C is 180 i.e A+B +C = 180°
Also a triangle is a 3 sided polygon. The sum of of angle in a polygon is( n-2)180
How do we prove that the sum of angle in a triangle is 180°?
Since triangle is 3 sided, n= 3, because n denote the number if sides
therefore the sum of angle = (n-2) 180 = (3-2)×180
= 180°
therefore the sum of angle In a triangle is 180°
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What is the final amount if 1015 is decreased by 6% followed by a 19% increase?
Give your answer rounded to 2 DP. plse be QUICK
Answer:
1135.38
Step-by-step explanation:
Original amount = 1015;
First decrease = 6%
Followed by an increase = 19%
Unknown:
Final amount:
Solution:
If 100% of a value implies multiplying by 1;
6% decrease = 0.94
19% increase = 1.19
Now;
Final amount = 1015 x 0.94 x 1.19 = 1135.38
Combine like terms to create an equivalent expression.
Make sure to simplify coefficients and constants as well.
-6/5 - 2/3v + 4/15 +1/3v
which graph below shows the solutions for the linear inequality y>- 1/3x + 1
The graph that shows the solutions for the inequality, y > -1/3x + 1 is: C. Graph A.
How to Find the Graph of a Linear Inequality?The inequality sign, ">" means that the graph of the inequality has a dashed line where the shaded part is above the boundary line and the boundary line is dashed or dotted. If "≥" is used, the boundary line would not be dashed or dotted and the shaded area would be above it.
On the other hand, "<" is used when the shaded area is below the boundary line and the boundary line is a dashed line. If "≤" was used, the boundary line won't be dashed or dotted, while the shaded area would be below the boundary line that is not dotted.
Given y > -1/3x + 1, the slope (m) = change in y / change in x is -1/3.
Graph A has a slope of -1/3 and the shaded part is above the boundary line.
Therefore, the graph that shows the solutions for y > -1/3x + 1 is: C. Graph A.
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identify the class boundaries for the given frequency distribution
Weight (lbs Frequency
5
205-209
5
243-214
12
215-219
35
25
225-224
225-229
230-234
235-239
.
The class boundaries for the given frequency distribution are:
515.5-209.5, 209.5-214.5, 214.5-219.5, 219.5-224.5, 224.5-229.5, 229.5-234.5, and 234.5-239.5.
Class boundaries are the values that define the intervals or classes for a frequency distribution. To find the class boundaries for the given distribution, we need to subtract 0.5 from the lower class limit and add 0.5 to the upper class limit for each class interval.
For example, the lower limit of the first interval is 205, so we subtract 0.5 to get 204.5, and the upper limit is 209, so we add 0.5 to get 209.5. Similarly, we can find the class boundaries for each interval using the same method.
The resulting class boundaries are 515.5-209.5, 209.5-214.5, 214.5-219.5, 219.5-224.5, 224.5-229.5, 229.5-234.5, and 234.5-239.5.
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A study investigated about 3000 meals ordered from Chipotle restaurants using the online site Grubhub. Researchers calculated
the sodium content (in milligrams) for each order based on Chipotle's published nutrition information. The distribution of
sodium content is approximately normal with mean 2000 mg and standard deviation 500 mg.
(a) What proportion of the meals ordered exceeded the recommended daily allowance of 2400 mg of sodium?
Round your answer to 4 decimal places.
I got 21.18, and then tried 21.19 and both were incorrect.
The proportion of the meals ordered that exceeded the recommended daily allowance of 2400 mg of sodium is 0.2119.
How to calculate the proportion?z = (x-μ)/σ,
where
x is the raw score = 2400mg
μ is the population mean = 2000mg
σ is the population standard deviation = 500mg
z = 2400 - 2000/500
z = 0.8
Probability value from Z-Table:
P(x<2400) = 0.78814
P(x>2400) = 1 - P(x<2400) = 0.21186
Converting to percentage:
0.21186 × 100
= 21.186%
= 0.2119
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please help im very confused
A family decides to hold two Christmas parties, one on Christmas Eve and one on Christmas Day. The youngest person to attend the Christmas Eve party is 15 and the oldest is 29. The youngest person to attend the Christmas Day party is 27 and the oldest is 42. Which party has a larger age range of visitors?
Answer:
Christmas Party
Step-by-step explanation:
Christmas Eve party :
Youngest = 15
Oldest = 29
Therefore , range = 29 - 15 = 14
Christmas Party :
Youngest = 27
Oldest = 42
Therefore, range = 42 - 27 = 15
Christmas Day party has a larger age range of visitors.
Given that: The youngest person to attend the Christmas Eve party is 15 and the oldest is 29. So the range is = 29 - 15 = 14.
Given that: The youngest person to attend the Christmas Day party is 27 and the oldest is 42. So, the range is = 42 - 27 = 15.
Since 15 > 14, so Christmas Day party has a larger age range of visitors.
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The important difference to note for the scales of measurement and how they are analyzed is whether they involve Oratios, intervals categories, ration O numbers, categories O numbers, intervals as responses on the scale.
The important difference to note for the scales of measurement and how they are analyzed is whether they involve ratios, intervals, categories or numbers. The scales of measurement can be divided into four types: nominal, ordinal, interval, and ratio.
Nominal scales use categories or numbers to group data, but these categories or numbers have no inherent order or value. Examples of nominal scales include gender, race, or eye color. Ordinal scales use categories or numbers to group data, but these categories or numbers have a specific order or rank. Examples of ordinal scales include educational attainment, income, or level of agreement on a survey question.
Interval scales use numbers as responses on the scale, but the distance between the numbers is not meaningful. Examples of interval scales include temperature measured in Celsius or Fahrenheit, or IQ scores. Ratio scales use numbers as responses on the scale, but the distance between the numbers is meaningful and there is a true zero point. Examples of ratio scales include height, weight, or income.
In summary, the important difference to note for the scales of measurement and how they are analyzed is whether they involve categories or numbers, and whether the numbers have a specific order or rank, a meaningful distance between them, or a true zero point.
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What is the image of (-4,9) after a dialation by a scale factor of 3 centered at the origin
Answer:
-12,27
Step-by-step explanation:
If f(x=3x2+1 and g(x)=1−x, whati s the value of (f−g)(2)?
Answer: To find the value of (f - g)(2), we need to first evaluate f(2) and g(2), and then subtract g(2) from f(2).
Starting with f(x), we substitute x = 2:
f(2) = 3(2^2) + 1 = 3(4) + 1 = 12 + 1 = 13
Next, we evaluate g(x) at x = 2:
g(2) = 1 - 2 = -1
Now we can calculate (f - g)(2) by subtracting g(2) from f(2):
(f - g)(2) = f(2) - g(2) = 13 - (-1) = 14
Therefore, the value of (f - g)(2) is 14.
Step-by-step explanation:
different names were put into a hat. A name is chosen times and the name is chosen times. What is the experimental probability of the name being chosen? What is the theoretical probability of the name being chosen? Use pencil and paper. Explain how each probability would change if the number of names in the hat were different.
Answer:
the answer is 13/103
Step-by-step explanation: