Answer:
look it up on here someone probably answered it
Answer:
the area of the parallelogram would be 40
to find the area all you need to do it multiply the base by the height. (8×5=40)
Use the graph to estimate the x- and y-intercepts of this function and describe where the function is positive and negative.
Answer:
the graph you want is
Step-by-step explanation:
help me with this question math please
Answer:
42.94$ is the answer.....
The ratio of apples to bananas in a bowl of fruit is 2 to
3. If there are 12 apples in the bowl, then how many
bananas are there?
Answer:18
Step-by-step explanation:
2x=12
3x=?
2x/2=12/2= x=6
3(6)=18
Jameson puts $4,000 in graduation money in an account for 10 years. The interest rate is 4.2%. If he withdraws all of the money after 10 years, how much
does he take out?
Answer:
2,320
Step-by-step explanation:
4.2% gets taken every year and there is 10 year,so 4.2% s uqual to 0.042,so just mutiply 4000 by 0.042 which is 168,then times 168 by 10 which brings you to 1680 and 4000 subtracyed by 1680,which equals 2,320
Which industrialization policy used by developing countries places emphasis on the comparative advantage principle as a guide to resource allocation
The industrialization-policy which is used by developing countries to resource allocation is : (a) export promotion.
The "Export-Promotion" is an industrialization policy which is used by "developing-countries" which emphasis on "comparative-advantage" principle as guide to resource-allocation.
The Comparative-advantage suggests that countries should focus on producing and exporting goods or services in which they have a relative advantage or lower opportunity cost compared to other nations.
Under export promotion, developing countries allocate resources to industries and sectors where they have a comparative advantage.
Therefore, the correct option is (a).
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The given question is incomplete, the complete question is
Which industrialization policy used by developing countries places emphasis on the comparative advantage principle as a guide to resource allocation?
(a) export promotion
(b) import substitution
(c) international commodity agreements
(d) Infant Industry promotion
(e) intra-industry trade practice
a spherical balloon is being filled with air at a constant rate of . at what rate is the surface area increasing when the volume is
The surface area of a sphere is given by the formula 4πr^2, where r is the radius of the sphere. This means that the surface area of the balloon is increasing at the rate of 8πr cm^2/sec.
The volume of a sphere is given by the formula 4/3πr^3, where r is the radius of the sphere. If the radius of the balloon is 6 cm, then the volume of the balloon is (4/3)π(6^3) = (4/3)π216 = 288π cm^3.
To find the rate at which the volume of the balloon is increasing, we need to take the derivative of the formula for the volume of a sphere with respect to time. This gives us (4/3)π(3r^2)(dr/dt).
Since the radius of the balloon is 6 cm and the surface area of the balloon is increasing at the rate of 8πr cm^2/sec, the rate at which the radius of the balloon is increasing is (8πr/4πr^2) = 2/r = 2/6 = 1/3 cm/sec.
Plugging this into the formula for the rate of change of the volume of the sphere, we get
(4/3)π(3r^2)(dr/dt) = (4/3)π(36^2)(1/3) = (4/3)π108 = 144π cm^3/sec.Therefore, the volume of the balloon is increasing at a rate of 144π cm^3/sec when the radius of the balloon is 6 cm.
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Complete Question:
The surface area of a spherical balloon is increasing at the rate of 2 cm 2/sec. At what rate is the volume of the balloon is increasing when the radius of the balloon is 6 cm?
HELPP I WILL GIVE YIU BRAINLIEST!! i think the answer is 42x + 12 but not entirely sure!!!
Answer:
yes your answer is correct
Step-by-step explanation:
Assume we have 3 boxes which contain red and black balls as follows, Box 1; 3 red balls and 7 black balls, Box 2; 6 red balls and 4 black balls, Box 3; 8 red balls and 2 black balls. suppose we draw a ball from box 1; if it is red, we draw a ball from box 2. if the ball drawn from box 1 is black, we draw a ball from box 3. a. what is the probability of red ball from box 1?. b. suppose we draw a ball from box 1 and it is red; what is the probability of another red ball when we draw from box 2 on the second round? c. suppose our first draw from box 1 was black; what is the conditional probability of our second draw from box 3 this time being red? d. Before we draw any ball; what is the probability of drawing two red balls at both draws? e. Before we draw any ball; what is the probability of drawing a red ball at first draw and a black ball at second draw?
a. The probability of drawing a red ball from Box 1 is 30%.
b. If a red ball is drawn from Box 1, the probability of drawing another red ball from Box 2 on the second round is 60%.
c. If the first draw from Box 1 was black, the conditional probability of drawing a red ball from Box 3 on the second draw is 80%.
d. The probability of drawing two red balls at both draws, without any prior information, is 46%.
e. The probability of drawing a red ball at the first draw and a black ball at the second draw, without any prior information, is 21%.
a. The probability of drawing a red ball from Box 1 can be calculated by dividing the number of red balls in Box 1 by the total number of balls in Box 1. Therefore, the probability is 3/(3+7) = 3/10 = 0.3 or 30%.
b. Since a red ball was drawn from Box 1, we only consider the balls in Box 2. The probability of drawing a red ball from Box 2 is 6/(6+4) = 6/10 = 0.6 or 60%. Therefore, the probability of drawing another red ball when the first ball drawn from Box 1 is red is 60%.
c. If the first draw from Box 1 was black, we only consider the balls in Box 3. The probability of drawing a red ball from Box 3 is 8/(8+2) = 8/10 = 0.8 or 80%. Therefore, the conditional probability of drawing a red ball from Box 3 when the first ball drawn from Box 1 was black is 80%.
d. Before any draws, the probability of drawing two red balls at both draws can be calculated by multiplying the probabilities of drawing a red ball from Box 1 and a red ball from Box 2. Therefore, the probability is 0.3 * 0.6 = 0.18 or 18%. However, since there are two possible scenarios (drawing red balls from Box 1 and Box 2, or drawing red balls from Box 2 and Box 1), we double the probability to obtain 36%. Adding the individual probabilities of each scenario gives a total probability of 36% + 10% = 46%.
e. Before any draws, the probability of drawing a red ball at the first draw and a black ball at the second draw can be calculated by multiplying the probability of drawing a red ball from Box 1 and the probability of drawing a black ball from Box 2 or Box 3. The probability of drawing a red ball from Box 1 is 0.3, and the probability of drawing a black ball from Box 2 or Box 3 is (7/10) + (2/10) = 0.9. Therefore, the probability is 0.3 * 0.9 = 0.27 or 27%. However, since there are two possible scenarios (drawing a red ball from Box 1 and a black ball from Box 2 or drawing a red ball from Box 1 and a black ball from Box 3), we double the probability to obtain 54%. Adding the individual probabilities of each scenario gives a total probability of 54% + 10% = 64%.
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Can you pls explain how you got te answer
Solving the equation, 1 = 2k - 1 for k, we have that k = 1
What is an equation?An equation is a mathematical expression that shows the relationship between two variables.
Since we have the equation 1 = 2k - 1 and we desire to solve for k, we proceed as follows.
1 = 2k - 1
Now first, we desire to isolate the 2k term by adding 1 to both sides of the equation. so, we have that
1 = 2k - 1
1 + 1 = 2k - 1 + 1
2 = 2k + 0
2 = 2k
Now to isolate k, we divide both sides by 2. so, we have that
2k = 2
2k/2 = 2/2
k = 1
so, k = 1
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Identify the appropriate property that describes the following statement.
If m
Choose the correct answer below.
Distributive Property
Substitution Property
Transitive Property
Multiplication Property
Addition Property
O Symmetric Property
Answer:
Substitution Property
Step-by-step explanation:
there are two important properties of probabilities. 1) individual probabilities will always have values between and . 2) the sum of the probabilities of all individual outcomes must equal to .
1.) Probabilities range from 0 to 1, denoting impossibility and certainty, respectively.
2.) The sum of probabilities of all possible outcomes is equal to 1.
1.) Individual probabilities will always have values between 0 and 1. This property is known as the "probability bound." Probability is a measure of uncertainty or likelihood, and it is represented as a value between 0 and 1, inclusive.
A probability of 0 indicates impossibility or no chance of an event occurring, while a probability of 1 represents certainty or a guaranteed outcome.
Any probability value between 0 and 1 signifies varying degrees of likelihood, with values closer to 0 indicating lower chances and values closer to 1 indicating higher chances. In simple terms, probabilities cannot be negative or greater than 1.
2.) The sum of the probabilities of all individual outcomes must equal 1. This principle is known as the "probability mass" or the "law of total probability." When considering a set of mutually exclusive and exhaustive events, the sum of their individual probabilities must add up to 1.
Mutually exclusive events are events that cannot occur simultaneously, while exhaustive events are events that cover all possible outcomes. This property ensures that the total probability accounts for all possible outcomes and leaves no room for uncertainty or unaccounted possibilities.
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Ezra deposited $30 in a savings account earning 10% interest, compounded annually.
To the nearest cent, how much will he have in 2 years?
Answer:
$36.00
Step-by-step explanation:
10% of 30 is 6. Add that to the original amount
work out the value of x :)
Answer:
x=67.5
Step-by-step explanation:
A full circle is 360°, and the right angle is 90°. The rest of the angle is 270°, or 4x (from 3x+x).
4x = 270
x=67.5
HELP ME PLEASE THE QUESTION IS ATTACHED
First you do 4 x 650 = 2600. This is the total of 4 blocks and the other one would make the 5.
So now you do 3000 - 2600 = 400. So the mass of the other block is 400.
Answer:
The Answer is 400g. The work is shown down below. Hope this will help you out a little for you to understand it.
Step-by-step explanation:
five block weight is 3kg
The 4th block of each weight is 650
The total of 4 blocks equals 650 times 4 equals 2600 gram
each kg=1000 gram
The five blocks: 3 times 1000=3000 gram.
the fifth block weighs equal 3000 subtract 2600 equals 400 grams
PS: I hope this helps and Have an Amazing Day!!
what’s the equation of the circle?
Answer:
(x + 1)² + (y + 1)² = 9
Step-by-step explanation:
the equation of a circle in standard form is
(x - h)² + (y - k)² = r²
where (h, k ) are the coordinates of the centre and r is the radius
here (h, k ) = K (- 1, - 1 ) and r = 3 , then
(x - (- 1) )² + (y - 1) )² = 3² , that is
(x + 1)² + (y + 1)² = 9
There are two urns, each containing an infinite number of balls. In the first urn, 70% of the balls are red and 30% are blue. In the second urn, 70% of the balls are blue and 30% are red. You randomly drew 12 balls from one of the urns (i.n., the first urn or the second urn). Out of the 12 balls, 8 are red and 4 are blue. What is the probability that you drew the balls from the first urn
The probability that the balls are drawn from the first urn is 0.99.
The given problem provides information on two urns. In the first urn, 70% of the balls are red, and 30% are blue, while in the second urn, 70% of the balls are blue, and 30% are red. From one of the urns, 12 balls are randomly drawn, out of which 8 are red, and 4 are blue.
We need to determine the probability that the balls are drawn from the first urn.
Let A be the event that the balls are drawn from the first urn. The probability of selecting urn 1 is given by P(A). Out of the 12 balls drawn, 8 are red and 4 are blue. Hence, we can write P(RRBBRRRRRRRR) = P(A) x P(8 red balls and 4 blue balls are drawn | A).
The probability of selecting either urn 1 or urn 2 is 0.5, which is represented as P(A) = P(B). Therefore, P(RRBBRRRRRRRR) = 0.5 x (0.7)^8 x (0.3)^4 = 0.00424.
Let B be the event that the balls are drawn from the second urn. The probability of selecting urn 2 is given by P(B). Out of the 12 balls drawn, 4 are red and 8 are blue. Hence, we can write P(BBRRBBBBBBBB) = P(B) x P(4 red balls and 8 blue balls are drawn | B).
Therefore, P(BBRRBBBBBBBB) = 0.5 x (0.3)^4 x (0.7)^8 = 0.00043.
The probability that the balls are drawn from the first urn is given by P(A | RRBBRRRRRRRR) = P(A) x P(RRBBRRRRRRRR) / [P(A) x P(RRBBRRRRRRRR) + P(B) x P(BBRRBBBBBBBB)].
Substituting the values, we get P(A | RRBBRRRRRRRR) = 0.5 x 0.00424 / [0.5 x 0.00424 + 0.5 x 0.00043] = 0.989 which is approximately 0.99.
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What is the answer to the question I really need to know asp
Answer:
hypotenuse is the answer
The area of the surface of the swimming pool is 210 square feet. what is the length of the deep end?
The length of the deep end is 12 feet of the swimming pool.
Given: Area of the swimming pool is 210 square feet
Width of the pool = 10 feet
The length of the shallow end is 9 feet and the length of the deep end is d.
To find the value of d.
Let's solve the problem.
The area of the swimming pool is 210
The width is 10
The deep end length is d
The shallow end length is 9
The total length of the swimming pool = The length of the deep end + The length of the shallow end
=> d + 9
Therefore, the total length of the swimming pool is d + 9
The surface of the swimming pool is rectangular, so
The area of rectangle = width × length
Therefore,
area of swimming pool = width of the pool × length of the swimming pool
=> 210 = 10 × (9 + d)
or 10 × (9 + d) = 210
Dividing both sides by 10:
10 × (9 + d) / 10 = 210 / 10
9 + d = 21
Subtracting 9 on both sides:
9 + d - 9 = 21 - 9
d = 12
Therefore the length of the deep end is 12 feet
Hence the length of the deep end is 12 feet of the swimming pool.
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The length of the deep end of the swimming pool is 12 feet.
We are given that:
The Area of the swimming pool = 210 square feet
width of the swimming pool = 10 feet
Length of shallow end = 9 feet
Let the length of the deep end be d.
Total length of the swimming pool = length of deep end + length of shallow end = d + 9
Area of swimming pool = width × length
Substituting the values, we get that:
210 = 10 × (9 + d)
9 + d = 21
d = 12
Therefore the length of the deep end of the swimming pool is 12 feet.
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John Doe wins the lottery for 3 million dollars. The lottery will pay him $100,000 each year at the end of each of the next 30 years. (thirty installments in total). However, assume the lottery offers a lump sum option where John Doe can take the present value of those 30 future payments immediately. Assuming the lottery uses a discount rate of 6%.
How much is the present value of his winnings?
Group of answer choices
$1,535,400
$1,158,600
$1,376,500
$1,814,300
This expression gives us a present value of approximately $1,376,500.
To calculate the present value of John Doe's winnings, we need to find the present value of each individual payment and then sum them up.
The formula to calculate the present value of an annuity is:
PV = C * (1 - (1 + r)^(-n)) / r
Where PV is the present value, C is the annual payment, r is the discount rate, and n is the number of periods.
In this case, John Doe will receive $100,000 each year for 30 years, and the discount rate is 6%. Plugging these values into the formula, we get:
PV = $100,000 * (1 - (1 + 0.06)^(-30)) / 0.06
Calculating this expression gives us a present value of approximately $1,376,500.
Therefore, the correct answer is:
c. $1,376,500.
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Is the list of numbers an arithmetic sequence?
22,25,27,30,33,…
Answer:
No
Step-by-step explanation:
The jump from each of the numbers is 3 but from 25 to 27 is 2 therefore it is not an arithmetic sequence.
Draw the line of reflection that reflects quadrilateral ABC D onto quadrilateral A' B'C'D'.
Check the picture below.
Peaple are in line for theater every 5th person get a free ticket and every 6th person gets a gift card who will be the first to get both prizes? (The _th person)
35th will be the first to get both prizes
brainliest
The graph below shows a cars speed over time.
Move the descriptions to the proper location on the graph.
constant decreasing increasing
The locations on the graph showing the car's speed can be described as:
1: increasing
2: constant
3: decreasing.
How to Interpret a Graph?For a graph that shows the relationship between time and speed of a moving object, the following features that might appear on the graph and its meanings with respect to the slope or rate of change are:
Rising slope: When the slope within an interval is rising from left to right, it means the slope is increasing, that is, the car's speed is increasing over time.Horizontal slope: When the line is horizontal over an interval, it means the slope is constant. This implies that the car's speed is constant over time.Declining Slope: When the slope over an interval is declining from the left to the right, it means the slope is decreasing. This means that the car's speed is decreasing over time.Therefore, given the graph below, we have the following descriptions for each location:
First location: the car's speed is increasing over time.
Second location: the car's speed is constant over time.
Third location: the car's speed is decreasing over time.
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Question is in photo provided below. Urgent, help please.
I would need to know if 14 is the angle or the length of BF is you can give me that I can answer
Chase ordered a set of beads. He received 4,000 beads in all. 3,000 of the beads were green. What percentage of the beads were green?
75% of the beads are green in color.
What is Percentage?percentage, a relative value indicating hundredth parts of any quantity.
Given that Chase ordered a set of beads
He received 4,000 beads in all.
3,000 of the beads were green.
We need to find the percentage of the beads were green of 4000.
x/100×4000=3000
40x=3000
Divide both sides by 40
x=75%
Hence, 75% of the beads are green in color.
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Pleaseeee helppppp meee
Answer:
A
Step-by-step explanation:
w = 12500p + 250
250 is a fixed number of words.
12500 is the slope
For each dollar the price increases, the number of words increases by 12,500.
Answer: A
P and q are points on the line y=2-4X
Draw the line y= 2-4X for vales of x from -2 to 2
Answer:
`The answer is below
Step-by-step explanation:
P and q are points on the line y=2-4X. complete the coordinates of P and Q, P(0, ) Q( ,0)
Draw the line y= 2-4X for vales of x from -2 to 2
Solution:
The equation of a line is given by:
y = mx + b
Where y and x are variables, m is the slope of the line and b is the y intercept (that is value of y when x = 0).
The line of y = 2 - 4x is drawn by finding the corresponding values of y for x from -2 to 2 and plotting on a graph.
x: -2 -1 0 1 2
y: 10 6 2 -2 -6
The value P(0, ) Q( ,0)
The y coordinate of point P is gotten by substituting x = 0:
y = 2 - 4(0) = 2
P = (0, 2)
The x coordinate of point Q is gotten by substituting y = 0:
0 = 2 - 4x
4x = 2
x = 0.5
Q = (0.5, 0)
find the missing length to the nearest tenth
Answer:
7.6
Step-by-step explanation:
What’s the first term for 3, 7, 11, 15, 19, 23
Therefore, the first term of the sequence is 3.
What is sequence?A sequence is an ordered list of numbers, usually generated by a pattern or a rule. Each number in the sequence is called a term, and the position of a term in the sequence is called its index. Sequences can have a finite or infinite number of terms, and they can be defined in various ways, such as recursively (where each term is defined in terms of the previous terms) or explicitly (where the formula for each term is given).
Here,
The given sequence is an arithmetic sequence, where the common difference between consecutive terms is 4. To find the first term, we can use the formula for the nth term of an arithmetic sequence, which is:
an = a1 + (n - 1)d
where an is the nth term, a1 is the first term, n is the position of the term in the sequence, and d is the common difference.
For this sequence, we know that a6 = 23 (since 23 is the last term given in the sequence), n = 6, and d = 4. Substituting these values into the formula, we get:
a6 = a1 + (6 - 1)4
23 = a1 + 20
a1 = 23 - 20
a1 = 3
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Complete question:
What’s the first term for the given sequence: 3, 7, 11, 15, 19, 23?
A college newspaper interviews a psychologist about a proposed system for rating the teaching ability of faculty members. The psychologist says, The evidence indicates that the correlation between a faculty member's research productivity and teaching rating is close to zero." A correct interpretation of this statement would be
a. good teachers tend to be poor researchers and vice versa.
b. good researchers are just as likely to be good teachers as they are bad teachers
c. good research and good teaching go hand in hand.
d. good researchers tend to be poor teachers and vice versa.
The correct interpretation of the psychologist's statement, "The evidence indicates that the correlation between a faculty member's research productivity and teaching rating is close to zero," would be b. good researchers are just as likely to be good teachers as they are bad teachers.
This interpretation suggests that there is no significant relationship between a faculty member's research productivity and their teaching rating. It means that being a good researcher does not necessarily imply being a good teacher, and vice versa.
The psychologist's statement indicates that the two factors, research productivity and teaching ability, are not strongly correlated with each other.
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