the area of the triangle cut off by the line connecting the midpoints of two adjacent sides of the rectangle is also 4 square units.
When a line is drawn from the midpoint of one side of a rectangle to the midpoint of an adjacent side, it divides the rectangle into two congruent triangles. The area of one of these triangles can be found by taking half of the area of the rectangle.
Let's call the dimensions of the rectangle "length" and "width". We know that the area of the rectangle is 4 square units, so:
length x width = 4
Now, let's draw the line connecting the midpoints of two adjacent sides:
___________________
| | |
| | |
| A | B |
|_________|_________|
This line divides the rectangle into two congruent triangles, labeled A and B above. Each of these triangles has a base equal to half of the rectangle's width, and a height equal to half of the rectangle's length. Therefore, the area of one of these triangles is:
(1/2) x (width/2) x (length/2)
We can simplify this expression by multiplying the terms together and dividing by 4:
(1/2) x (width/2) x (length/2) = (width x length) / 8
Since we know that the area of the rectangle is 4 square units, we can substitute this value into the expression:
(width x length) / 8 = 4/2
(width x length) / 8 = 2
Multiplying both sides by 8 gives us:
width x length = 16
So the area of the triangle cut off by the line is:
(width x length) / 4 = 16/4 = 4 square units
Therefore, the area of the triangle cut off by the line connecting the midpoints of two adjacent sides of the rectangle is also 4 square units.
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The queen received a diamond brooch for her birthday. The largest gem weighed 5.1 carats. There were three other gems that weighed 0.7 carats, 1.4 carat, and 2.6 carats. What was the total weight of the gems?
Answer:
9.8 carats.
Step-by-step explanation:
5.1 + 0.7 + 1.4 + 2.6
= 9.8
PLEASE HELP WITH HOMEWORK
Supplementary angles have a sum of 180°
Therefore, we can add the expressions for Angles A and B and set their sum equal to 180.
( 7x - 15 ) + ( 2x - 3 ) = 180
Now we can combine like terms and use inverse operations to find the value of x:
( 7x - 15 ) + ( 2x - 3 ) = 180
9x - 18 = 180
9x - 18 + 18 = 180 + 18
9x = 198
9x/9 = 198/9
x = 22
Then Angle A will have a measure of 7x - 15 or 7• 22 -15 = 154 - 15 = 139°
m∠A = 139°
The measure of Angle b will be 2x - 3 = 2 • 22 - 3 = 44 - 3 = 41°
m∠ B = 41°
NOTE: 139 + 41 = 180
Find the value of 5^-3 x 2^-1
Answer:
1/250
Step-by-step explanation:
5^-3 × 2^-1
5^-3 = 1/5^3 = 1/125
2^-1 = 1/2^1 = 1/2
so 5^-3 × 2^-1 means 1/125 × 1/2
= 1/125 × 1/2
= 1/250
What is the standard deviation of the data? Round to the nearest whole number.
65
75
100
130
Rounded to the nearest whole number, the standard deviation of the data is 29.
How do we calculate the standard deviation of data?The following notations and formulas will be used in these calculations:
Mean = (sum of the values) / n
Variance = ((Σ(x - mean)^2) / (n - 1)
Standard deviation = Variance^0.5
Where:
n = number of values = 4
x = each value
Therefore, we have:
Mean = (65 + 75 + 100 + 130) / 4 = 92.50
Variance = ((65-92.5-)^2 + (75-92.50)^2 + (100-92.50)^2 + (130-92.50)^2) / (4-1) = 2,525 / 3 = 841.666666666667
Standard deviation = Variance^0.50 = 841.666666666667^0.5 = 29.011491975882
Rounding to the nearest whole number, we have:
Standard deviation = 29
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Answer:
The answer is C. 100
Step-by-step explanation:
ten random numbers are drawn from a uniform distribution on . what is the probability that at least one will exceed 4.62? round your answer to three decimal places.
The probability that at least one of the ten random numbers drawn from a uniform distribution on [0, 4.62] will exceed 4.62 is approximately 0.450.
In a uniform distribution, the probability of a value falling within a specific range is proportional to the length of that range. Since the range of the uniform distribution is [0, 4.62], the probability of drawing a number less than or equal to 4.62 from this distribution is 1.
Therefore, the probability that at least one number will exceed 4.62 is equal to 1 minus the probability that all ten numbers drawn are less than or equal to 4.62. Since the draws are independent, we can calculate this probability as (1 - 1)^10 = 1^10 = 1.
Rounded to three decimal places, the probability that at least one number will exceed 4.62 is approximately 0.450.
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Which circle has a radius that measures 10 units?
10
D
20
F
10
OG
20
Option B is correct, the circle with center F and diameter 20 units is the circle which has a radius of 10 units.
What is Circle?A circle is a shape consisting of all points in a plane that are at a given distance from a given point, the centre.
Radius of a circle is the distance from the center of the circle to any point on it's circumference.
The distance across a circle through the centre is called the diameter.
Diameter = 2 × radius
In the given figures, option B has a diameter of 20
so radius = diameter /2
=20/2
=10 units
Hence, option B is correct, the circle with center F and diameter 20 units is the circle which has a radius of 10 units.
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The area of an animal pen is 30 square feet. what are the legnths of the pen's sides if the pen has each given shape?
L = 1.3245 is the legnths of the pen's sides .
What is area and perimeter?
Perimeter is the distance around the outside of a shape. Area measures the space inside a shape.
The equation for perimeter is 2L + W = 30 ( I'm assuming that the shed takes up one of the Widths, but you can use the Length if you want, it doesn't matter.)
So W = 30 - 2L.
Area = L x W = L (30 - 2L) = 30L - 2L^2.
This is a quadratic equation, easily graphed as a parabola, with a maximum point at L = 1.3245 .
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What is the nearest ten for the point shown on the number line below?
Answer:
50
Step-by-step explanation:
since 5 and above is rounded up, 4 and below is rounded down
Let
f(x) = {3x - 7}/{x + 1] Find the range of f.
Give your answer as an interval.
Answer: Range = (-∞, 3) U (3, ∞)
Step-by-step explanation:
The range is the set of all y-values in a function. The easiest and most straightforward way to find the range is to graph the function and find asymptotes, or locations on the graph where the function lacks y-values.
You can plug in a few points to the equation, as shown in this table below.
After you have your points, you can draw your function following the points, as shown in the next image. Notice the line at y = 3, where the function does not cross. Although it will get infinitely close to the line, the function will never meet or cross this point at any x-value. This is what is known as a "horizontal asymptote", and is not included in the range of the function.
We can represent this asymptote in a range, which is a representation of all possible y-values in the function. The possible y-values for this function start at negative infinity and end at infinity, but do not exist at y = 3, so we represent this through this mathematical expression:
Range = (-∞, 3) U (3, ∞)
5. Given f(t) = u(t), g(t) = 2tu(t), and g(t) = f(t - 1)* g(t), determine q(4). 6. Given f(t) = u(-t), h(t) = tu(-t), and y(t) = f(t) *h(t), determine y(-4) and y(4). *
g(4) = 1 * g(4), which means that q(4) is equal to g(4). y(-4) = f(-4) * h(-4) = 1 * (-4) = -4. Therefore, the values of q(4), y(-4), and y(4) are determined as follows: q(4) = g(4), y(-4) = -4, and y(4) = 0.
For the first part of the problem, we are given f(t) = u(t), g(t) = 2tu(t), and g(t) = f(t - 1) * g(t). To determine q(4), we need to substitute t = 4 into the equation g(t) = f(t - 1) * g(t). This gives us g(4) = f(3) * g(4). Since f(t) = u(t), we know that f(3) = u(3) = 1 because u(t) is a unit step function that equals 1 for t ≥ 0. Therefore, we have g(4) = 1 * g(4), which means that q(4) is equal to g(4).
For the second part of the problem, we are given f(t) = u(-t), h(t) = tu(-t), and y(t) = f(t) * h(t). To determine y(-4) and y(4), we substitute t = -4 and t = 4 into the equation y(t) = f(t) * h(t). For y(-4), we have y(-4) = f(-4) * h(-4). Since f(t) = u(-t), we have f(-4) = u(4) = 1 because u(t) is a unit step function that equals 1 for t ≥ 0. Similarly, h(-4) = -4u(4) = -4. Therefore, y(-4) = f(-4) * h(-4) = 1 * (-4) = -4.
Similarly, for y(4), we have y(4) = f(4) * h(4). Since f(t) = u(-t), we have f(4) = u(-4) = 0 because u(t) is a unit step function that equals 0 for t < 0. Thus, y(4) = f(4) * h(4) = 0 * h(4) = 0.
Therefore, the values of q(4), y(-4), and y(4) are determined as follows: q(4) = g(4), y(-4) = -4, and y(4) = 0.
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Eric owns and operates the hot ham food truck. the expression 3.25 b 2 h 3.25b 2h3, point, 25, b, plus, 2, h gives the cost of b bb burgers and h hh hot dogs. what is the cost of 4 44 burgers and 6 66 hot dogs?
Using the algebraic expression that models the cost of burgers and hotdogs, the cost of 4 burgers and 6 hot dogs is $25.
An algebraic expression is the combination of numbers and variables in expressing and solving a particular mathematical question. An algebraic equation is the equality of expressions.
If the expression 3.25b + 2h gives the cost of b burgers and h hotdogs, and we want to determine the cost of 4 burgers and 6 hot dogs, then plug in the values and solve the equation.
cost = 3.25b + 2h
cost = 3.25(4) + 2(6)
cost = 13 + 12
cost = 25
Hence, the cost of 4 burgers and 6 hot dogs is $25.
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What is 3/7 as a reciprocal?
Answer:
7/3
Step-by-step explanation:
Answer:
7/3
Step-by-step explanation:
3/7 x 7/3 = 1
town requires each parking space to have a minimum area of 169 square feet. Do the measurements of the parking spaces shown meet the requirements? State the area of each parking space
Both measurements are below the minimum area of 169 square feet required.
What is area?Area is a measurement of size of two dimensional surface such as Square rectangle or Circle. It is calculated by multiplying the length of the surface by width area also can measured in terms of square units such as square feet or square meters area is an important concept in mathematics and is used to measure the size of safe and object it is also used to find the total area of a group of shape.
The measurements of the parking spaces shown do not meet the requirements of the town. The first parking space has an area of 144 square feet, while the second parking space has an area of 128 square feet. Both measurements are below the minimum area of 169 square feet required.
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What is the factored form of the polynomial f (x) = 8x³ - 60x² +150x - 125?
Answer:
(2x-5)^3
Step-by-step explanation:
(((8 • (x3)) - (22•3•5x2)) + 150x) - 125
((23x3 - (22•3•5x2)) + 150x) - 125
3.1 8x3-60x2+150x-125 is not a perfect cube
Factoring: 8x3-60x2+150x-125
Thoughtfully split the expression at hand into groups, each group having two terms :
Group 1: 150x-125
Group 2: -60x2+8x3
Pull out from each group separately :
Group 1: (6x-5) • (25)
Group 2: (2x-15) • (4x2)
Bad news !! Factoring by pulling out fails :
The groups have no common factor and can not be added up to form a multiplication.
if 10 people and 400 animals go to a barn were are the people? if you cant figure out please do not report ill cry.
Answer:
18
Step-by-step explanation:
So you need to do f(x) 5x^2+3x-19+3
You would simplify the equation to get to y=4x+5f(x)+2
Naturally, you would now graph the equation to a linear degree but still inducing a parabellum, y-(d-3)=0
Then solve using the square method (b/2)^2=(6)^2
Then put the 6 on both sides of the equation.
6^2+w0+8x+7t^2
After you get hydrogen oxide as your answer please note: Puenomia can only occur inside the respiratory system.
There ya go: 18.
Given g(x)=4-2(3-x), what is the value of g(1)
Answer:
g(1) = 0
Step-by-step explanation:
To evaluate g(1) , substitute x = 1 into g(x), that is
g(1) = 4 - 2(3 - 1)
= 4 - 2(2)
= 4 - 4
= 0
Answer: its 0
Step-by-step explanation:
Select Function 1 to investigate the average rate of change between two points for the function RCx) =3/4 x - 1. (a) What is the average rate of change between a = 0 and b - 1? a (1) Lock the difference between a and bar 1.00 and move point a around on the graph. What happens to the average rate of change? The average rate of change decreases from left to right The average rate of change is always the same. The average rate of change increases from left to right: () What is the average rate of change for a straight line? The average rate of change for a straight line is always greater than the slope, The average rate of change for a straight line equals the slope. The average rate of change for a straight line equals the y-coordinate of the y-intercept. The average rate of change for a straight line is always less than the slope
(a) The average rate of change between a = 0 and b = 1 for RC(x) = 3/4x - 1 is:
RC(1) - RC(0)
= (3/4(1) - 1) - (3/4(0) - 1)
= 3/4 - 1 + 1
= -1/4
So, the average rate of change between a = 0 and b = 1 is -1/4.
(2) As we move point a around on the graph, the average rate of change between a and b = 1 changes.
Specifically, if we move point a to the right, the average rate of change increases, and if we move point a to the left, the average rate of change decreases.
(3) The average rate of change for a straight line equals the slope.
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Sylvia’s lead lathe tech makes $18.50 per hour and wants a $2.75
per hour increase. How
much more will this 14.9% increase cost her annual wages budget
(not including benefits or
taxes?)
The 14.9% increase in Sylvia's lead lathe tech's hourly wage of $18.50 results in a $2.75 per hour increase. Assuming the lead lathe tech works 2,080 hours per year, the additional cost to Sylvia's annual wages budget would be approximately $5,720, excluding benefits or taxes.
First, we need to find the percentage increase in the lead lathe tech's hourly wage. The increase requested is $2.75, which is 14.9% of the current wage rate ($18.50). To calculate the percentage increase, we divide the increase by the current wage rate and multiply by 100: ($2.75 / $18.50) * 100 ≈ 14.9%.
To determine the additional cost to Sylvia's annual wages budget, we need to know the total number of hours worked by the lead lathe tech in a year. Let's assume the lead lathe tech works 40 hours per week and there are 52 weeks in a year, resulting in a total of 2,080 hours.
To calculate the annual cost of the wage increase, we multiply the hourly increase ($2.75) by the total number of hours worked (2,080): $2.75 * 2,080 ≈ $5,720.
Therefore, the 14.9% increase in the lead lathe tech's hourly wage will cost Sylvia an additional $5,720 in her annual wages budget, excluding benefits or taxes.
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Please Help 100 POINTS!!!
Answer:
B
Step-by-step explanation:
Answer:
B. \(\frac{x^2}{3^2} +\frac{y^3}{2^2} =1\)
Step-by-step explanation:
When being dealt two cards from a standard deck of fifty-two playing cards, find the probability that both cards are an ace.
We have:
Total number of cards in a pack = 52
Total number of aces in a pack = 4
The probability of drawing an ace is:
\(P(one\text{ }ace)=\frac{4}{52}\)The probability that both are aces is:
\(P(both\text{ aces\rparen=}\frac{4}{52}\cdot\frac{3}{51}=\frac{4\cdot3}{52\cdot51}=\frac{12}{2652}=\frac{1}{221}\)Answer: the probability is 1/221
The company wants to fill each shipment as full as it can get when they send shipments to garden supply stores. there is similar demand for each type of pot. what is the best solution for the company if they want to ship the fewest shipments?
The company packs "3" clay pots and "4" plastic pots for maximum packing in one shipment. This will require the fewest shipments.
or,
The company packs "2" clay pots and "6" plastic pots for maximum packing in one shipment. This will require the fewest shipments.
Let, the number of clay flower pots - "c"
the number of plastic flower pots is "p".
We can write:
\(2\leq c + p\leq 8\)
Also,
Weight of clay pot = 15 pounds
Weight of plastic pot = 7.5 pounds
Max Weight of Shipment = 100 pounds
Weight of container = 20 pounds
The weight of Packing material inside the container = 1 pound
Thus, the maximum weight of pots will be less than
= 100 - (20+1) = 100 - 21 = 79
We can write another inequality:
\(1.5c + 7.5p < 79\)
To assure the first inequality, we have points,
c = 0, p = 8
p =0, c = 8
c = 1, p = 7
etc. and so on...
So,
The company packs "3" clay pots and "4" plastic pots for maximum packing in one shipment. This will require the fewest shipments.
or,
The company packs "2" clay pots and "6" plastic pots for maximum packing in one shipment. This will require the fewest shipments.
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The complete question is:
A gardening company sells clay flower pots and plastic flower pots. There must be at least 2 pots in each shipment, but there cannot be more than 8 in a shipment. Additionally, the shipment must weigh less than 100 pounds. Each shipment container weighs 20 pounds, and there is 1 pound of packing material. A clay flower pot weighs 15 pounds, whereas a plastic flower pot weighs 7.5 pounds. The company wants to fill each shipment as full as it can get when they send shipments to garden supply stores. There is a similar demand for each type of pot. What is the best solution for the company if they want to ship the fewest shipments? Justify your reasoning.
Recall that the number of Bernoulli trials needed to get the first success has a Geometric distribution with probability mass function P(X=x)=(1−p)x−1p for x=1,2,…, where rho is the probability of success for the Bemoulli random variable. Write an algorithm for creating a Geometric random variable with probability of success equal to p.
Count is incremented by 1 before returning the result because we want to count the number of trials needed to achieve the first success.
To create a Geometric random variable with a probability of success equal to p, you can use the following algorithm:
Initialize a counter variable, let's call it count, to 0.
Generate a random number between 0 and 1, let's call it rand_num.
Set the initial probability of success, prob_success, to p.
While rand_num is greater than prob_success, do the following steps:
Increment count by 1.
Generate a new rand_num between 0 and 1.
Update prob_success by multiplying it with (1 - p).
Return count + 1 as the generated Geometric random variable.
This algorithm works by repeatedly generating random numbers until a success occurs. Each time a failure occurs (when rand_num is greater than prob_success), the probability of success is updated to account for the remaining trials.
Note that count is incremented by 1 before returning the result because we want to count the number of trials needed to achieve the first success.
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Simplify the below expression.
Answer:
x^4
Step-by-step explanation:
Which set of side lengths form a right triangle? 10 in., 41 in., 40 in. 3 ft, 6 ft, 5 ft 7 cm, 8 cm, 10 cm 15 m, 20 m, 25 m
Answer:
15 m, 20 m, 25 m forms a right triangle.
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what is the constant of proportionality for the relationship between grams of protein and cups of milk?
1:8
Step-by-step explanation:
for every one cup of milk, there is 8 grams of protein
√3 (√2 -1 ) + √2 (1-√3)
Answer:
√2-√3
Step-by-step explanation:
√3 (√2 -1 ) + √2 (1-√3)
= √3 x √2 - √3 + √2 - √2 x √3
= √6 - √3 + √2 - √6
= √2 - √3
How many meters can the car travel on 3 liters of gas?
Answer:
36,000 meters
Step-by-step explanation:
sketch the curve with the given polar equation. θ = −π/6
We can use the polar equation r = f(θ) to sketch the curve. However, since you have only provided the value of θ as −π/6, we cannot determine the shape of the curve without knowing the equation of the function f(θ).
In order to sketch the curve, we need to plot at least three points on the polar coordinate plane. We can do this by selecting three different values of θ, plugging them into the polar equation, and finding the corresponding values of r. We can then plot these points and connect them to form the curve.
Answer:
1. First, recall that in polar coordinates, a point is represented by (r, θ), where r is the distance from the origin, and θ is the angle measured counter-clockwise from the positive x-axis.
2. In this case, the polar equation is given as θ = -π/6, which means the angle is fixed at -π/6 radians, or -30 degrees.
3. Since r can take any value, this curve is a straight line consisting of all points that are located at a -30-degree angle from the positive x-axis. To visualize this, imagine a ray starting at the origin and rotating -30 degrees in the clockwise direction.
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Judy and 2 friends won $145.00 at a fundraising raffle! They agreed to share the winnings equally. They received one $100 bill, four $10 bills, and five $1 bills
Answer:
There are 3 friends (Judy + 2 friends) who won $145.00
They want to share the winnings equally, but they got:
one $100 bill
four $10 bills
five $1 bills.
Assuming that they can share only those bills, the only way to share the winnings equally is:
Each friend gets one $10 bill
Each friend gets one $1 bill
Then each one gets $11.
And there is a surplus of:
one $100 bill (that can't be divided)
one $10 bill (that can't be divided)
two $1 bill (that can't be divided)
Then:
There is a common pool of $100 + $10 + 2*$1 = $112
And each one of the 3 friends gets $10 + $1 = $11
In the case where they can change the bills, each friend will get:
$145/3 = $48.33
1. Find the slope pleaseeee
Answer: 4/5
Step-by-step explanation: