13 cm
8 cm
16 cm
7 cm
Find the area of this composite shape. Include correct units.
Show all your work.
Including a triangle and rectangle, the area of this composite shape will be 136 cm².
What exactly is a rectangle?
A rectangle is a geometric shape that is defined as a quadrilateral with four right angles (90-degree angles) and opposite sides that are parallel and equal in length.
Rectangles are a type of parallelogram because their opposite sides are parallel. However, what distinguishes rectangles from other parallelograms is that all four of their angles are right angles.
Now,
The area of the composite shape will be equal to the sum of area of triangle and area of rectangle
so,
To find the area of a rectangle, the length of the rectangle is 16 cm and the width is 7 cm, so the area is:
Area = Length x Width = 16 cm x 7 cm = 112 square cm
Therefore, the area of the rectangle is 112 square cm.
As area of a triangle is :
Area = (1/2) x Base x Height
where "Base" and "Height" are the length of the base and the height of the triangle, respectively.
Substituting the given values, we have:
Area = (1/2) x 8 cm x 6 cm = 24 square cm
Therefore, the area of the triangle is 24 square cm.
Then
Area of shape=112+24
=136 cm²
hence,
the area of this composite shape will be 136 cm².
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Find the values of a and b if 5+3√3/7+4√3 = a + √3b
The values of a and b are :
\(a = \sqrt{3} \\ \\ •\sqrt{3} b = - 1 \\ \\ b = \frac{ - 1}{ \sqrt{3} }. \)
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Answer:
a) 2.083
b) 4.713
I hope this helps. :) ( I also multiplied them to check)
Answer: A
Step-by-step explanation:
x= -5 -4 -3 -2 -1 0
f(x)= 0 -2 6 7 -5 3
What is f(f(-1)?
Answer:
f(f(-1)) = 0
Step-by-step explanation:
Ok I'm assuming that's supposed to be a chart of some kind. So first, you have to find what f(-1) is according to the chart.
According to the chart, if x = -1, then f(-1) is -5
Now comes the next part of the equation. So you need to find f(-5)
-5 was already founded by f(-1) bc it's first in the parantheses.
f(-1) is -5
so we need to find f(-5)
According to the chart f(-5) is 0
So ur final answer is gonna be 0
112x+3≥7 OR 2x+9>11
anyone know what the answer is
Answer:
I don't know
Step-by-step explanation:
I don't know
Asap pls pls. I need help, thank you.
Answer:
45% increase
Step-by-step explanation:
|140 - 203|/140 = 63/140 = 0.45 = 45%
how many ways are there to sit the committee in a row at a meeting if the freshman,sophomores, and juniors must sit by grade, but the seniors can sit wherever they want?
The number of ways to arrange the school dance committee in a row at a meeting is 3,110,400.
To arrange a school dance committee for a meeting, there are 3 groups of students: freshmen, sophomores and juniors. Each group must sit together by grade and there are 6, 3, and 2 students in each group, respectively.
The two seniors can sit anywhere. Effectively, there are 5 people (3 groups of students and 2 seniors).
There are 5! = 120 ways to arrange the 5 people in a row. Within each group of students.There are 3! = 6 ways to arrange the freshmen.There are 6! = 720 ways to arrange the sophomores.There are 3! = 6 ways to arrange the juniors.Therefore the total number of permutations is the product of these arrangements, which is:
= 120 x 6 x 720 x 6 = 3,110,400Thus, there are 3,110,400 ways to arrange the school dance committee for the meeting, given the constraints that the freshmen, sophomores, and juniors must sit together by grade & the seniors can sit anywhere.
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PLEASE HELP!!!!! ASAP
Answer: It should be you lost 2.8 million dollars
Step-by-step explanation:
The lengths of nails produced in a factory are normally distributed with a mean of 3.15 centimeters and a standard deviation of 0.08 centimeters. Find the two lengths that separate the top 10% and the bottom 10%. These lengths could serve as limits used to identify which nails should be rejected. Round your answer to the nearest hundredth, if necessary.
The two lengths that separate the top 10% and the bottom 10% are 3.25 cm and 3.04 cm.
What is z-score?This is used to measure how different an individual data point is from the mean of the data set and is a helpful tool when comparing data points to each other.
To find the two lengths, we start by finding the z-scores that correspond to the top 10% and the bottom 10%. The z-score for the top 10% is 1.28 and the z-score for the bottom 10% is -1.28. We then use these z-scores to find the two lengths.
To find the two lengths, we use the following formula:
length = mean + (z-score * standard deviation)
For the top 10%:
length = 3.15 + (1.28 * 0.08)
length = 3.25 cm
For the bottom 10%:
length = 3.15 + (-1.28 * 0.08)
length = 3.04 cm
Therefore, the two lengths that separate the top 10% and the bottom 10% are 3.25 cm and 3.04 cm.
These lengths could serve as limits used to identify which nails should be rejected.
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Carl has 16 rubber balls to share with 2 brothers and 1 sister . If Carl and his Brothers and sister each get the same number of rubber balls , how many rubber balls will each of them get.
Rewrite the sum of 12 and 8 as a product of the LCM of the two numbers and another sum.
Answer:
2 or 4
Step-by-step explanation:
about 22% of the population of a large country is allergic to pollen. if two people are randomly selected, what is the probability that both will be allergic to pollen? (round your answer to two decimal places) what is the probability that at least one person is allergic to pollen? (round your answer to two decimal place
The probability that both will experience allergies to pollen is 0.0484, and the probability that at least one will is 0.9516.
The following information is provided in the question:
A large country has a pollen allergy rate of about 22%.
As a result, the probability of people has a chance of having an allergy is 0.22.
P(allergic) = 0.22
P(Not allergic) = 1 - 0.22 = 0.78
If A and B are independent even, then,
P(A∩B) = P(A) × P(B)
Two people are randomly selected.
a) P( both will be allergic to pollen)
Since these are independent events,
P(both will be allergic to pollen)= P(allergic)*P(allergic)
= 0.22*0.22 = 0.0484
b) P(at least one person is allergic to pollen)
= 1 - P(both are not allergic to pollen)
= 1 - P(P(not allergic)*P(not allergic))
= 1 - (0.22*0.22)
= 0.9516
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A contractor has two choices for billing a completed job. · $500 flat rate, regardless of the number of hours worked · $20 per hour worked The graph shows the relationship between pay per hour and number of hours worked for both scenarios. What is the solution to this system of equations, and what does it mean to the contractor?
The solution (0, 20) tells the contractor the minimum amount that can be charged.
The solution (0, 500) tells the contractor the maximum amount that can be charged.
The solution (25, 20) tells the contractor the number of hours on a job where the hourly rate is the same for both billing options.
The solution (20, 25) tells the contractor the number of hours on a job where the hourly rate is the same for both billing options.
The solution to this system of equations is: The solution (25, 20) tells the contractor the number of hours on a job where the hourly rate is the same for both billing options. (Option C).
What does this mean to the contractor?
It means that if the number of hours worked is above 20, then it is more profitable to utilize the $20/hour rate.
Recall that the contractor has two options for billing a completed job. They are:
500 dollars flat rate20 per work workedLet us fix x hours to be required for completing the project:
Note that:
The total amount recievable per contract is $500 while working on a retail basis, it will cost $25x.
Stating this mathematically, e have
25x < 500 when x < 20.
This mean that
25x < 500 when x < 20.
Then we find that by I contract he would get 500 $ but by II choice he would get 25x dollars
We find that
25x<500 if x<20
This suggests that a $500 flat rate is preferable if the number of hours done is fewer than 20.
If the number of hours is greater than 20, the hourly rate, i.e. $20 per hour, is preferable.If number of hours is more than 20, hourly rate i.e. 20 per hour is better.Hence the correct answer is Option C.
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Answer:
C
Step-by-step explanation:
just took the test
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The rocket reaches its maximum height at 1.5 seconds after launch will be 39 feet.
What is differentiation?The rate of change of a function with respect to the variable is called differentiation. It can be increasing or decreasing.
A toy rocket is shot upward up high from a take-off platform 3 feet over the ground with an underlying speed of 48 feet each second. The level h, in feet, of the rocket over the ground at t seconds after send-off is given by the capability h(t) = - 16t² + 48t + 3.
Differentiate the function and put it equal to zero.
h'(t) = 0
-32t + 48 = 0
32t = 48
t = 1.5 seconds
Then the maximum height is given as,
h(1.5) = - 16(1.5)² + 48(1.5) + 3
h(1.5) = 39 feet
The rocket reaches its maximum height at 1.5 seconds after launch will be 39 feet.
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What equation represents y=−3x^2+12x−8 in vertex form?
What decimal number does the bits pattern 0*0b000000 represents if it is a floating point number?
The bits pattern "0*0b000000" does not represent a valid floating-point number as it does not adhere to the standard format of floating-point representation. In floating-point representation, there are typically three components: a sign bit, an exponent, and a significand (also known as the mantissa).
In the given pattern "00b000000," it appears that there are no bits representing the exponent or significand, which means essential information is missing to interpret it as a floating-point number. Additionally, the "0" part is unclear and doesn't conform to the standard notation.
This, to represent a valid floating-point number, it is necessary to have a well-defined format that includes all the required components (sign, exponent, and significand) according to a specific floating-point representation scheme, such as IEEE 754.
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Given a sand box with dimensions of 4 feet, 6 feet and 2 feet. What is the maximum
amount of sand it can hold?
The sandbox can hold 48 cubic feet of sand in it if the sandbox with dimensions of 4 feet, 6 feet, and 2 feet.
What is a cuboid?It is defined as the six-faced shape, a type of hexahedron in geometry.
It is a three-dimensional shape.
We have a sandbox:
The length of the sandbox = 4 feet
The width of the sandbox = 6 feet
The height of the sandbox = 2 feet
Amount of sand can hold = volume of the sandbox
= 4×6×2
= 48 cubic feet
Thus, the sandbox can hold 48 cubic feet of sand in it if the sandbox with dimensions of 4 feet, 6 feet, and 2 feet.
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which statement best describes this regression (y = highway miles per gallon in 91 cars)?
A)Statistically significant but large error in the MPG predictions
B)Statistically significant and quite small MPG prediction errors
C)Not quite significant, but predictions should be very good
D)Not a significant regression at any customary level of α
Based on the given options, the statement that best describes the regression cannot be determined without additional information.
The options do not provide any details about the regression coefficients, R-squared value, or p-values, which are necessary to make a meaningful statement about the regression. It is not possible to determine the quality of the predictions or the significance of the regression based solely on the dependent variable and sample size.
Your answer: B) Statistically significant and quite small MPG prediction errors
This option best describes a regression with a strong relationship between the independent variable (e.g., car characteristics) and the dependent variable (highway miles per gallon). The statement suggests that the model is statistically significant, meaning it can reliably predict MPG, and the prediction errors are small, indicating good accuracy in the predictions.
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Evaluate the indefinite integrals below as infinite series. to) / Σ( 5x n=0 (b)x sin(4x5) dx Σ( + C n=0
The indefinite integral of (5x)ⁿ x sin(4x⁵)dx can be evaluated as an infinite series by using the Maclaurin series for sin(x), which is given by: `sin(x) = x - x³/3! + x⁵/5! - x⁷/7! + ...`Substituting `4x⁵` for `x` in the above equation, we get: `sin(4x⁵) = 4x⁵ - (4x⁵)³/3! + (4x⁵)⁵/5! - (4x⁵)⁷/7! + ...`Thus,
the given integral becomes:
\(`∫ (5x)ⁿ x sin(4x⁵)dx = 5∫ xⁿ (4x⁵ - (4x⁵)³/3! + (4x⁵)⁵/5! - (4x⁵)⁷/7! + ...)dx = 20∫ xⁿ x⁵dx - 20(4/3!)\)
∫ xⁿ x¹⁵dx + 20(4⁵/5!) ∫ xⁿ x²⁵dx - 20(4⁷/7!) ∫ xⁿ x³⁵dx + ...`Evaluating the integrals on the right-hand side using the power rule, we get:
`20∫ xⁿ+⁵dx - 20(4/3!) ∫ xⁿ+¹⁵dx + 20(4⁵/5!) ∫ xⁿ+²⁵dx - 20(4⁷/7!)
∫ xⁿ+³⁵dx + ... = 20((xⁿ+⁶)/(n+6)) - 20(4/(n+16)(n+15)(n+14)(n+13)(n+12))xⁿ+¹⁵ + 20(4⁵/(n+26)(n+25)(n+24)(n+23)(n+22)(n+21))xⁿ+²⁵ - 20(4⁷/(n+36)(n+35)(n+34)(n+33)(n+32)(n+31)(n+30))xⁿ+³⁵ + ... + C`
Therefore, the indefinite integral of (5x)ⁿ x sin(4x⁵)dx can be evaluated as the infinite series: `∫ (5x)ⁿ x sin(4x⁵)dx = Σ[20((xⁿ+⁶)/(n+6)) - 20(4/(n+16)(n+15)(n+14)(n+13)(n+12))xⁿ+¹⁵ + 20(4⁵/(n+26)(n+25)(n+24)(n+23)(n+22)(n+21))xⁿ+²⁵ - 20(4⁷/(n+36)(n+35)(n+34)(n+33)(n+32)(n+31)(n+30))xⁿ+³⁵ + ...] + C`where `Σ` denotes the sum from `n = 0` to infinity.
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-4.5+4.2+5.6-7.3 simplified
Answer:
(-4.5+4.2)+(5.6-7.3) = -2
Step-by-step explanation:
(-4.5+4.2)+(5.6-7.3) = -2
= - 3/10 + - 1 7/10
= - 3/10 - 1 7/10
= -2
Answer:
(-4.5+4.2)+(5.6-7.3) = -2
Step-by-step explanation:
(-4.5+4.2)+(5.6-7.3) = -2
= - 3/10 + - 1 7/10
= - 3/10 - 1 7/10
= -2
Find the probability of rolling a 6 -sided dice and getting a number that is a divisor of 20.
Explanation:
On the die, the divisors or factors of 20 are: 1, 2, 4, 5
We have 4 faces we want out of 6 faces total
So 4/6 = 2/3 is the probability of getting a divisor of 20.
You are trying to hack into your friend’s phone. The password is four digits long and each number can be a digit from 0 to 9. If the numbers can repeat, how many possible combinations are there?
Answer:
10,000
Step-by-step explanation:
10 x 10 x 10 x 10
Answer:
81 times its common sense but you dont have nun.
What is the equation?
Slope = -3 and passes through (4, -6)
Answer:
y=-3x+6
Step-by-step explanation:
Which equation can you use to solve for theta in the figure shown? A right triangle is shown. 2 sides have lengths of 45 feet and 31.2 feet and the hypotenuse has a length of 54.8 feet. The angle opposite to the side with length 45 feet is theta.
Answer:
45/58.4
Step-by-step explanation:
Answer: part 1: 45/54.8.
Part 2: 55.2
Step-by-step explanation:
Edge
hiii please help i’ll give you brainliest if you show your work as well
Answer:
The answer is 0.385
Step-by-step explanation:
because i use the butterfly method if that's helps
Order these numbers from least to greatest.
8.7, 8.6072, 8.67, 7.855
Answer:
7.855, 8.6072, 8.67, 8.7
Answer:
numbers from least to greatest.
are:
7.8558.60728.678.7Paul had 9.35 ounces of water left in his water jug.
How do you write this number in word form?
Answer:
Nine and 35 hundredths of water
Step-by-step explanation:
Answer:
9.35 ---> Nine and thirty-five hundredths
Please help me with second
Answer:
A is equal to 26
Step-by-step explanation:
B equals 8 and two thirds or 8 2/3
I WILL MARK BRAINIEST
PLEASE HELP ASAP
Answer:
1: 4:15
2: 4/15
Step-by-step explanation:
I think Im right. I hope this helps you out!
Answer:
The ratio of side lengths is 4:15
The ratio of areas as a fraction is 16/225
Step-by-step explanation:
We can probably assume the triangles are similar. If that is the case, the smaller triangle is 4/15s the size of the blue triangle. That makes the ratio 4:15.
As for the ratio of areas, areas are expressed in length^2. Inches squared, centimeters squared, meters squared, or whatever length. It is always a length squared.
Similarly, the ratio of the length can be squared to give the ratio of the areas. The ratio of the areas is 4^2 / 15^2 = 16/225
what is the answer to this two-step equation 3(x-10)=-12
Answer:
x = 6
Step-by-step explanation:
To solve the two-step equation 3(x-10)=-12, we need to use inverse operations to isolate the variable x.
First, we will simplify the expression inside the parentheses by distributing the 3.
3(x-10) = -12
3x - 30 = -12
Next, we will add 30 to both sides to isolate the variable term.
3x = 18
Finally, we will divide both sides by 3 to solve for x.
x = 6
Therefore, the solution to the equation 3(x-10)=-12 is x = 6.