Answer:
azwesxrbhjklpl,komijnuhbvygvtfcrdxsezawqlast one is the answer
The city of London, England, has an
elevation of 11 meters.
Which of these describes the elevation
of London?
below sea level
at sea level
above sea level
Answer:
above sea level
Step-by-step explanation:
Which inequalities have -0.5, 2.5, and 4 as part of the solution set? Select all that apply.
Z >-3
z <5
Z <4
Iz < 4
Z > 0
Answer:
A, B, D
Step-by-step explanation:
i just did it on edge
Answer:
its true
Step-by-step explanation:
1 2 4
(No linkssss)Pls help me if your good at math I’ll mark brainliest if correct
Find the first four terms of the sequence given by the following. an=6 x (-4)^n-1, n= 1, 2, 3...
The first four terms of the sequence are 6, -24, 96 and -384
How to determine the first four terms?
The sequence is given as:
an=6(-4)^n-1
When n = 1, we have:
a(1)=6(-4)^(1-1)
This gives
a(1) = 6
When n = 2, we have:
a(2)=6(-4)^(2-1)
This gives
a(2) = -24
When n = 3, we have:
a(3)=6(-4)^(3-1)
This gives
a(3)=96
When n = 4, we have:
a(4)=6(-4)^(4-1)
This gives
a(4)=-384
Hence, the first four terms of the sequence are 6, -24, 96 and -384
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True or false: The unit rate of 45km travelled in 30 minutes is 1.5 km per minute ?
Answer:
true
Step-by-step explanation:
30x1.5=45
Answer: True
Step-by-step explanation: If you divide 45km by 30 minutes, then you should get a unit rate of 1.5km per minute.
URGENT PLS ANSWER ASAP THANKS!
The true statement is "No, you cannot prove that the two right triangles are congruent with the information given."
How to determine the true statementFrom the question, we have the following parameters that can be used in our computation:
Sidewalk A and Sidewalk B intersect at a right angle. Sidewalk B extends 500 feet on either side of the intersection with Sidewalk A.As a general rule, congruent triangles would have same dimensions and angles
In the scenario, we understand that Sidewalk B and Sidewalk A form a right angle.
This and the other information does not provide information to determine the congruency because the lengths of the sides of either triangle or the angles are missing.
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(a) Write 54.2% as a fraction.
Give your answer in its simplest form.
Answer:
Ans.=250 21/50
Step-by-step explanation:
54.2%=542/100
=271/50
=250 21/50
to get any percent value to a decimal or fraction format, we simply divide it by 100, first off let's make 54.2 to a fraction and then divide by 100.
\(54.\underline{2}\implies \cfrac{542}{1\underline{0}}~\hspace{10em}\cfrac{542}{10}\div 100\implies \cfrac{542}{10}\cdot \cfrac{1}{100}\implies \cfrac{271}{500}\)
find the slope of the line passing through (-4, 5) and (-8,-5)
\((\stackrel{x_1}{-4}~,~\stackrel{y_1}{5})\qquad (\stackrel{x_2}{-8}~,~\stackrel{y_2}{-5}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{-5}-\stackrel{y1}{5}}}{\underset{run} {\underset{x_2}{-8}-\underset{x_1}{(-4)}}}\implies \cfrac{-10}{-8+4}\implies \cfrac{-10}{-4}\implies \cfrac{5}{2}\)
Help me with this problem?
a kindergartden class has 9 girls and 11 boys in class . what is the percent of the class is girls
Answer:45%
Step-by-step explanation:
The figures below show the top view and right-side view of a rectangular prism that is completely packed with unit cubes.
How many unit cubes would it take to completely fill the prism with no gaps between unit cubes?
The number of unit cubes it would take to completely fill the prism with no gaps between unit cubes is 72
Calculating the number of cubes required to fill a prismFrom the question, we are to determine how many unit cubes it would take to completely fill the prism with no gaps between unit cubes.
To do this, we will calculate the volume of rectangular prism
Assuming each cube is 1 cubic unit
Then,
From the top view,
The length of the rectangular prism = 9 units
The width of the rectangular prism = 2 units
From the Right-side view,
The height of the rectangular prism = 4 units
Thus,
The volume of the rectangular prism = 9 × 2 × 4
Volume of the rectangular prism = 72 cubic units
Now,
Number of cubes required to fill the rectangular prism = Volume of the prism / Volume of the cubes
Number of cubes required to fill the rectangular prims = 72 / 1
Number of cubes required to fill the rectangular prims = 72
Hence, the number of unit cubes it would take is 72
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Marco needs to climb up to the roof of his house. He placed his
ladder so that the bottom of the ladder was 4 feet away from the
wall. If his ladder was 13 feet long, how high up was the top of the
ladder against the wall of the house?
Answer:
12.4 feet
Step-by-step explanation:
Pythagorean theorem
a^2 +b^2 = c^2
4^2 + b^2 = 13^2
16 + b^2 = 169
b^2 = 153
b=12.4 feet
8.
Which is the correct value for the missing term?
(2x - 3)(x + 4) = 2x2 - 12
Answer:
Isolate the variable by dividing each side by factors that don't contain the variable.
x = 0
Given this A matrix A=
⎣
⎡
12
4
8
11
14
15
9
3
3
4
13
4
13
4
14
6
3
4
10
8
6
13
9
9
14
5
12
12
6
9
⎦
⎤
We wish to do the following a) F=A(2, odd )+A( even, 3)
∘
b) S=A([
1
3
],[
3
4
])
∘
÷A([
1
3
],[
3
4
]) Hint: Use element-wise division c) T=A(3,5)×A(4,3) Script 8
Performing operations on the given matrix,
a) F = [17, 12, 17, 23, 18, 17]
b) S = [[1, 1], [1, 1]]
c) T = 72
a) To calculate F, we need to perform two operations:
1. A(2, odd): This selects the elements from the 2nd row of matrix A at odd column indices.
A(2, odd) = [4, 8]
2. A(even, 3): This selects the elements from even rows of matrix A at the 3rd column index.
A(even, 3) = [13, 4, 4]
Now, we can perform element-wise addition between A(2, odd) and A(even, 3):
F = A(2, odd) + A(even, 3)
= [4, 8] + [13, 4, 4]
Since the dimensions do not match, we need to align the vectors by repeating the shorter one:
F = [4, 8] + [13, 4, 4] = [4, 8] + [13, 4, 4, 13, 4, 4] = [4+13, 8+4, 13+4, 10+13, 14+4, 13+4]
= [17, 12, 17, 23, 18, 17]
Therefore, F = [17, 12, 17, 23, 18, 17].
b) To calculate S, we need to perform element-wise division:
S = A([1, 3], [3, 4]) ÷ A([1, 3], [3, 4])
This means we select the elements from the 1st and 3rd rows, and from the 3rd and 4th columns of matrix A:
S = [[13, 8], [14, 6]] ÷ [[13, 8], [14, 6]]
Element-wise division simply divides corresponding elements from the two matrices:
S = [[13/13, 8/8], [14/14, 6/6]]
= [[1, 1], [1, 1]]
Therefore, S = [[1, 1], [1, 1]].
c) To calculate T, we need to multiply the element at position (3, 5) with the element at position (4, 3) in matrix A:
T = A(3, 5) × A(4, 3)
= 12 × 6
= 72
Therefore, T = 72.
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Complete Question:
Given this A matrix
A = [[12 9 13 10 14] [ 4 3 4 8 5] [8 3 14 6 12] [11 4 6 13 12] [ 14 13 3 9 6] [15 4 4 9 9]]
We wish to do the following
a) F=A(2, odd )+A( even, 3)
b) S=A([ 1 3 ],[ 3 4 ]) ÷ A([ 1 3 ],[ 3 4 ]) Hint: Use element-wise division
c) T=A(3,5)×A(4,3)
A Nissan Motor Corporation advertisement read, "The average man’s I.Q. is 107. The average brown trout’s I.Q. is 4. So why can’t man catch brown trout?" Suppose you believe that the brown trout’s mean I.Q. is greater than 4. You catch 12 brown trout. A fish psychologist determines the I.Q.s as follows: 5; 4; 7; 3; 6; 4; 5; 3; 6; 3; 8; 5. Conduct a hypothesis test of your belief.
Answer:
Step-by-step explanation:
Considering the brown tout,
The mean of the set of data given is
Mean = (5 + 4 + 7 + 3 + 6 + 4 + 5 + 3 + 6 + 3 + 8 + 5)/12 = 4.92
Standard deviation = √(summation(x - mean)²/n
n = 12
Summation(x - mean)² = (5 - 4.92)^2 + (4 - 4.92)^2 + (7 - 4.92)^2 + (3 - 4.92)^2 + (6 - 4.92)^2 + (4 - 4.92)^2 + (5 - 4.92)^2 + (3 - 4.92)^2 + (6 - 4.92)^2 + (3 - 4.92)^2 + (8 - 4.92)^2 + (5 - 4.92)^2 = 28.9168
Standard deviation = √(28.9168/12) = 1.55
We would set up the hypothesis test. This is a test of a single population mean since we are dealing with mean
For the null hypothesis,
µ ≥ 4
For the alternative hypothesis,
µ < 4
This is a left tailed test
Since the number of samples is small and no population standard deviation is given, the distribution is a student's t.
Since n = 12,
Degrees of freedom, df = n - 1 = 12 - 1 = 11
t = (x - µ)/(s/√n)
Where
x = sample mean = 4.92
µ = population mean = 4
s = samples standard deviation = 1.55
t = (4.92 - 4)/(1.55/√12) = 2.06
We would determine the p value using the t test calculator. It becomes
p = 0.98
Assuming a significance level of 5%
Since alpha, 0.05 < than the p value, 0.98, then we would fail to reject the null hypothesis. Therefore, At a 5% level of significance, the sample data showed significant evidence that the brown trout’s mean I.Q. is greater than 4
tony is making new numbers
Answer:
The biggest number he can make is 348. Hope this helps!!!
Step-by-step explanation:
You have to multiply 4 and 7 together to get 28. Since if we multiplied every number together, we would end up with a lesser number, since anything multiplied by 1 is itself. Therefore, you next add 1 to 28 to get 29. Finally multiply 29 by 12 to get 348.
help please! ill mark brainliest
Answer:
A=150ft^2
Step-by-step explanation:
A=(b1+b2)/2*h
A=(15+10)/2*12
A=25/2*12
A=25*6
A=150ft^2
Area of trapezoid formula: A = h(b1+b2/2)
A = 12(10+15/2)
A = 12(25/2)
A = 12(12.5)
A = 150
Therefore, the area of the trapezoid is 150ft²
Best of Luck!
what is 635 divided by 8
Answer: 79.375
Step-by-step explanation:
Answer:
79.375
Step-by-step explanation:
hope i helped
yea can anyone help pls?
Answer:
Distributive
Step-by-step explanation:
Financial Algebra
Ricky earns graduated commission on his sales each month. He earns 7% commission on the first $33,000 in sales and 9% on anything over that. if Ricky had 54,000 in sales this month, how much commission did he earn
Answer:
$4,200
Step-by-step explanation:
First let's find the total commission from the first $33,000
33,000 x 0.07 = 2,310
Now we have to find the commission from the remaining sales
54,000 - 33,000 = 21,000
21,000 x 0.09 = 1,890
Now add em up
2310+ 1,890 = 4,200
a and b are two statements such that "if a, then b " is a compound statement which will always be true unless a is true and b is false. what is that mean ?
"if a, then b" means that a is a sufficient condition for b, and that b is a necessary condition for a to be true. The statement is true unless a is true and b is false.
The statement "if a, then b" is known as a conditional statement, which is a type of logical statement that is often used in mathematics and other fields. In this case, the statement means that if statement a is true, then statement b must also be true. If a is false, then the truth value of b is not relevant, as the statement is considered true regardless.
The statement "if a, then b" is often written as "a → b" using logical symbols. The symbol "→" is read as "implies" or "if-then".
For example, consider the statements "If it is raining, then the ground is wet" (a → b). This statement is considered true unless it is raining and the ground is not wet, which is a contradiction. If it is not raining, the truth value of "the ground is wet" is not relevant to the truth of the conditional statement.
In summary, "if a, then b" means that a is a sufficient condition for b, and that b is a necessary condition for a to be true. The statement is true unless a is true and b is false.
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The sum of two consecutive numbers is 85, find the numbers
Answer:
85
Step-by-step explanation:
Consecutive numbers are numbers that follow each other in order. The two consecutive numbers are 42 and 43.
42+43=85
Answer:
42 & 43
Step-by-step explanation:
Let the two consecutive numbers be x and x+1 .
Here it is given that the sum of two consecutive numbers is 85.
So we get the equation,
x + (x+1) = 85
We get,
x + x + 1 = 85
2x + 1 = 85
Transposing +1 to RHS,
2x = 85 - 1
2x = 84
Transposing 2 to RHS,
x = 84 ÷ 2
Therefore, we get x = 42
Therefore, the two numbers are x and x+1, so they are: 42 and 43.
I hope this helped you! Pls mark me brainliest! Have a great day! <3
A circle is circumscribed within a square with sides of 20 feet, as shown
above. What is the area of the circle to the nearest square foot?
On solving the provided question, we can say that - Area enclosed by the square and the circle= 400 - 314 = 86 ft sq
What is circle?Every point in the plane that is a certain distance away from a certain point forms a circle (center). It is, thus, a curve formed by points moving in the plane at a fixed distance from a point. A circle is a closed two-dimensional object where every pair of points in the plane are equally spaced out from the "center." A line that goes through the circle creates a specular symmetry line. At every angle, it is also rotationally symmetric about the center.
Side of the square =20feet
Therefore,
Radius of the inscribed circle= 20/2 = 10 feet
Area of square=20 X 20 = 400 feet sq.
Area of circle=\(\pi * r^{2} \\\pi * 10*10\\3.14*100\\314 ft sq\)
Area enclosed by the square and the circle= 400 - 314
= 86 ft sq
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The population of a city increases by 0. 8% per year. If this year's population is 108,000, what will next year's population be, to the nearest individual?.
The population of the next year will be, 108,864.
What is population?
The term "population" refers to all citizens who are either permanently residing in a nation or are just temporarily absent from it. This indicator displays the population of a given area on a regular basis. Growth rates are the yearly changes in population brought on by births, deaths, and net migration.
Given:
The population of a city increases by 0. 8% per year.
This year's population is 108,000.
0.8% of 108,000 is,
108,000 x 0.008 = 864
The population increased by 864 people.
So, the next year's population will be,
108,000 + 864 = 108,864.
Hence, the next year's population will be 108,864.
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Can somebody please help me with this? Will give 100 pts and brainliest
Answer: 2.4 weeks
Step-by-step explanation:
Answer:
2.4 wk
Step-by-step explanation:
which two parts of the vehicle are most important in preventing traction loss
The tires and the traction control system work in tandem to ensure maximum traction and stability, minimizing the risk of traction loss and improving overall vehicle control and safety.
The two most important parts of a vehicle in preventing traction loss are the tires and the traction control system.
Tires: Tires are the primary point of contact between the vehicle and the road surface. The quality and condition of the tires greatly influence traction. Tires with good tread depth and appropriate tread pattern are essential for maintaining grip on the road. Tread depth helps to channel water, snow, or debris away from the tire, preventing hydroplaning or loss of traction. Additionally, tire pressure should be properly maintained to ensure even contact with the road. Choosing tires suitable for the specific driving conditions, such as all-season, winter, or performance tires, is crucial for optimal traction and handling.
Traction Control System: The traction control system is a vehicle safety feature that helps prevent the wheels from slipping or spinning on low-traction surfaces. It uses various sensors to monitor the speed and rotation of the wheels. If the system detects a loss of traction, it will automatically reduce engine power and apply braking force to the wheels that are slipping. By modulating power delivery and braking, the traction control system helps maintain traction and prevent wheel spin, especially in challenging conditions like slippery roads or during quick acceleration.
The tires and the traction control system work in tandem to ensure maximum traction and stability, minimizing the risk of traction loss and improving overall vehicle control and safety.
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Lucy is a waitress. At the end of the night she must give 12% of her tips to the cleaning crew. How much does she go home with if she made $320 in tips last night?
Answer:
It would be $281.60
Step-by-step explanation:
NEED HELP
Determine the range of the following graph:
12
11
10
9
8
7
6
5
4
3
1
-12-11-10-9-8 -7 -6 -5 -4 -3 -2 -1
x
1 2 3 4 5 6 7 8 9 10 11 12
-1
Á
ܗ ܗ ܠ ܚ ܐ ܝܕ ܤܝܚܢܝ ܘܿ ܠܗܿ ܩܵ ܪ ܨܲܪ ܂
-7
-8
-9
-10
-11
-12
Answer:
Range: [-7, 8]
General Formulas and Concepts:
Algebra I
Reading a coordinate planeRange is the set of y-values that are outputted by function f(x)Interval Notation: [Brackets] denote inclusion, (Parenthesis) denote exclusionStep-by-step explanation:
According to the graph, our y-values span from -7 to 8. Since both are closed dot, they are included in the range:
Range: [-7, 8]
whats thw ansewr plese help me
The table of values is a linear equation which is given as y = -7/2x + 2
What is a linear function?A linear function is a mathematical function that represents a straight line when graphed on a coordinate plane. It is a type of function where the independent variable (usually denoted as x) has a constant rate of change with respect to the dependent variable (usually denoted as y).
The slope-intercept form of a linear equation is given as;
y = mx + c
From the table of value given;
f(x) = mx + c
Let's calculate the slope of the equation;
m = y₂ - y₁ / x₂ - x₁
m = 2 - 9 / 0 - (-2)
m = -7 / 2
The slope is -7/2
Taking the slope to find the linear equation;
y = mx + c
Taking any point;
9 = -7/2(-2) + c
9 = 7 + c
c = 2
The equation is y = -7/2 + 2
Taking another point to confirm our answer;
2 = -7/2(0) + c
c = 2
This shows the values is a linear equation;
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Which irrational number is represented by point D?
Answer:
182
Step-by-step explanation:
182= 13.49
162= 12.73
204= 14.28
221=14.87
The irrational number represented by point D is 182. The correct option is A.
What is an irrational number?Irrational numbers are all real numbers that are not rational numbers in mathematics. Irrational numbers, on the other hand, cannot be stated as the ratio of two integers.
A number line in elementary mathematics is a representation of a graduated straight line that serves as an abstraction for real numbers, represented by the symbol R." It is assumed that every point on a number line corresponds to a real number and that every real number corresponds to a point.
The value on the number line 13.49 is equal to the square root of 182.
√182= 13.49
√162= 12.73
√204= 14.28
√221=14.87
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