Answers
Answer:
[tex]\frac{4}{n^{2} }[/tex]
Step-by-step explanation:
(2nm⁻³) * 2m³n⁻³
First, focus on the coefficients, 2*2 = 4.
Now the n, n * n⁻³ = n⁻²
Now the m, m⁻³ * m³ = m⁰ = 1
Now multiply altogether, 4n⁻²(1) = [tex]\frac{4}{n^{2} }[/tex]
Related Questions
I NEED HELP ASAPPPPPP
Its height (in feet) as a function of time (in seconds after the timer was started) is given by the equation h(t)=−(t−12)2+81
. Which of the following statements is true?
The airplane reaches its minimum height of 12 feet in 81 seconds.
The airplane reaches its maximum height of 81 feet in 12 seconds.
The airplane reaches its minimum height of 81 feet in 12 seconds.
The airplane reaches its maximum height of 12 feet in 81 seconds.
Answers
Considering the given quadratic equation, the correct statement is given by:
The airplane reaches its maximum height of 81 feet in 12 seconds.
What is the equation of a parabola given it’s vertex?The equation of a quadratic function, of vertex (h,k), is given by:
y = a(x - h)² + k
In which a is the leading coefficient.
In this problem, the equation is given by:
h(t) = -(t - 12)² - 81.
The vertex is (12,81), with a negative leading coefficient, hence it is a maximum point and the correct statement is given by:
The airplane reaches its maximum height of 81 feet in 12 seconds.
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which graph below shows the solutions for the linear inequality y<1/3x-4
Answers
Step-by-step explanation:
the answer is C since y is less than. meaning that the line should be dashed and below the graph.
comment if you have any doubts.
A summer job as a life guard at lincoln pool pays 9.50 per hour how much willl you earn for working 6 hours
Answers
57
Step-by-step explanation:
$ 9.50 -> 1 hr
? -> 6 hrs
9.50(6) = $ 57
Garden a and garden b are two rectangular gardens that are each surrounded by 120 feet of fencing. garden a has one side length of 25 feet and garden b has one side length of 50 feet. which garden has the largest area? show all of your work.
Answers
The garden with the largest area is garden b with an area of 6000 feet squares
What is the area of a rectangle?The area of a rectangle is simply known as the number of unit squares that can fit into the rectangle.
The formula for calculating the area of a rectangle is written thus;
Area of a Rectangle = (Length × Breadth)
How to determine the areaUsing the formula:
Area of a Rectangle = (Length × Breadth)
For garden a;
Length = 25 feet
Breadth = 120 feet
Substitute the values into the formula
Area of garden a = 25 × 120 = 3000 feet squares
For garden b;
Length = 50 feet
Breadth = 120 feet
Substitute the values into the formula
Area of garden b = 50 × 120 = 6000 feet squares
Therefore, the garden with the largest area is garden b with an area of 6000 feet squares.
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Shandra bought 24 chicken wings for $50.40. If Shandra spent $10.50, how many chicken wings did she buy?
Answers
Answer:
56
Step-by-step explanation:
Because i'm always right.
Shandra can buy 5 chicken wings for $10.50.
Given that, Shandra bought 24 chicken wings for $50.40 and Shandra spent $10.50.
We need to find out how many chicken wings Shandra brought for $10.50.
What is a unitary method?The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.
Now, the cost of 1 chicken wing=Total cost of chicken wings/Number of chicken wings
=50.40/24=2.1
The cost of one chicken wing=$2.1
Now, the number of chicken wings for $10.50=10.50/2.1=5
Therefore, Shandra can buy 5 chicken wings for $10.50.
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A cylindrical pressure vessel has a height of 9 feet and a diameter of 6 feet. how much gas can the pressure vessel hold when full?
it is either, 54 pie cubic feet, 81 pie cubic feet, 108 pie cubic feet or 324 pie cubic feet
Answers
Step-by-step explanation:
the volume of a cylinder is as for any other regular 3D object :
ground area ×height
the ground area of a cylinder is a circle, so it is
pi×radius² × height
the radius is always half of the diameter (of the diameter is airways twice the radius).
radius = 6/2 = 3 ft.
the volume is then
pi × 3² × 9 = pi × 9 × 9 = pi × 81 ft³
so, the answer is 81pi ft³.
What type of Symmetry
Answers
Answer:
Line Symmetry, Horizontal and Vertical Lines, 90 and 180 degrees
Step-by-step explanation:
It is line symmetry because you can fold the H, and it would overlap perfectly.
Horizontal and vertical lines because if you were to place a line in the middle both horizontally and vertically it would overlap.
90 and 180 degrees because the H would still have have symmetry if you flipped it on its side or upside down.
The circumference of a circular garden is 78.5 feet. What is the radius of the garden? Use 3.14 for it and do not round your answer.
?
Answers
Work Shown:
C = 2*pi*r
78.5 = 2*3.14*r
78.5 = 6.28r
r = (78.5)/(6.28)
r = 12.5
Find x, I’ll give brainliest I promise.
Answers
Answer:
x=16.5(or 17)
Step-by-step explanation:
2(x)+2(x-4)=58
2x+2x-8=58
4x-8=58
4x=66
x=16.5(if rounded to the nearest whole number will be 17)
ur welcome :)
brainliest please?
Step-by-Step Explanation:
Length (l) = (x) cm
Breadth (b) = (x - 4) cm
Perimeter = 2(l + b) = 58 cm
Substituting values of ‘l’ and ‘b’ :-
=> 2(l + b) = 58
= 2(x + x - 4) = 58
= 2(2x - 4) = 58
= 4x - 8 = 58
= 4x = 58 + 8 = 66
=> x = 66/4 = 16.5
Therefore, x = 16.5
Finding ‘l’ and ‘b’ :-
l = x
=> l = 16.5 cm
b = x - 4
b = 16.5 - 4
=> b = 12.5 cm
Length (l) = 16.5 cm
Breadth (b) = 12.5 cm
The main goal of a personal budget is to
have income equal expenses
have expenses be greater than income
have income be greater than expenses
create personal savings
Answers
Answer:
have income be greater than expenses
Step-by-step explanation:
I hope this helps you! Feel free to give feedback :)
Answer:
Both C and D are basically right but I would mainly lean towards D
Create Personal Savings
Step-by-step explanation:
this isn't a math question btw
Have a nice day! :)
The coach recorded the scores of nine different basketball players in their last game. ● The median number of points scored by these nine players was 13. ● The mean number of points scored by these nine players was 12. Part A: List 9 values that could represent this data set. Part B: A 10th basketball player on this team scored 12 points in the last game. If her score is added to this data set, how will the median and mean change? Explain your reasoning.
Answers
The values that could represent this data set include 5, 6, 9, 10, 12, 10, 4, 6, and 19.
How to calculate the mean?It should be noted that a mean simply means the average of a set of numbers.
In this case, the values that could represent this data set include 5, 6, 9, 10, 12, 10, 4, 6, and 19. Therefore, the mean will be:
= (5 + 6 + 9 + 10 + 12 + 4 + 6 + 19)/9
= 81/9
= 9
When a 10th basketball player on this team scored 12 points in the last game, the new mean will be:
= (81 + 12)/10
= 93/10
= 9.3
Therefore, there's an increase in mean.
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A family of 4 gets 505 text messages per month. Which of the following best describes the most even way these texts can be divided?
2 family members get 124 text messages each
2 family members get 125 text messages each
2 family members get 126 text messages each
2 family members get 125 text messages each
3 family members get 126 text messages each
1 family member gets 127 text messages
3 family members get 125 text messages each
1 family member gets 126 text messages
Answers
Answer:
3 family members get 126 text messages each
1 family member gets 127 text messages
Step-by-step explanation:
If you were finding the exact division of texts, 505 texts / 4 people, you would end up with 126.25 texts.
However, you can't get 0.25 of a text. If we take back each family member's 0.25 text, they will all be left with 126 texts (with an extra text leftover)
This extra text is considered the "remainder", meaning the amount left over when a number is divided [when it doesn't go into the larger number evenly]. The only importance/relevancy of a remainder is when a value cannot be split, such as a dog or a text.
So, we can give each family member 126 texts, and then we can give one family member an additional text, so that all texts are distributed.
This means that 3 family members get 126 texts, and 1 family member gets 127 texts
hope this helps!!
Find the values of x and y.
x=____
(b) y=_____
Answers
[tex]sin60 = \frac{opp}{hyp} \\ sin60 = \frac{y}{12 } \\ \frac{ \sqrt{3} }{2} = \frac{y}{12} \\ 2y= 12 \sqrt{3} \\ y = 6 \sqrt{3} [/tex]
[tex]cos60 = \frac{adj}{hyp} \\ cos60 = \frac{x}{12} \\ \frac{1}{2} = \frac{x}{12 } \\ 2x = 12 \\ x = 6[/tex]
Hope it helps
Please give brainliest
Four lines are drawn on a coordinate plane to form trapezoid wxyz. Which statements are true about the lines? Select three options
Answers
The statements that are true for Trapezoid WXYZ are:
Line WZ has the same slope as line XY.Line XW has a lesser slope than line YZ.Line ZW has the same y-intercept as line WZ.Line XY has a greater y-interceptHow to Interpret Line Coordinates?
We are told that;
Shape is a trapezoid WXYZ.
Now, In a trapezoid, one pair of opposite sides are parallel and parallel lines have the same slope.
Lastly, the slope of line parallel to x axis is 0 and so If the line starts at the bottom left and goes towards the top right it has negative slope. Thus, all the statements that are true for Trapezoid WXYZ are:
Line WZ has the same slope as line XY.Line XW has a lesser slope than line YZ.Line ZW has the same y-intercept as line WZ.Line XY has a greater y-interceptComplete question is;
Four lines are drawn on a coordinate plane to form trapezoid WXYZ. Which statements are true about the lines? Select all that apply.
Line WZ has the same slope as line XY.
Line YX has a greater slope than line ZY.
Line XW has a lesser slope than line YZ.
Line ZW has the same y-intercept as line WZ.
Line XY has a greater y-intercept than line XW
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Which of the following is an exponential function?
a. f(x)=x³ + 2x²² -6
b. f(x) = 5/x
c. f(x) = 5x + 2
d. f(x) = 4x²
e. f(x) = 4x*2*
Answers
f(x) = 4²ˣ, this is an exponential function. Then the correct option is E.
What is an exponent?Let a is the base and x is the power of the exponent function and b is the y-intercept. The exponent is given as
y = aˣ + b
The exonentuial functions are given below.
a. f(x)=x³ + 2x²² -6, this is not an exponential function.
b. f(x) = 5/x, this is not an exponential function.
c. f(x) = 5x + 2, this is not an exponential function.
d. f(x) = 4x², this is not an exponential function.
e. f(x) = 4²ˣ, this is an exponential function.
Then the correct option is E.
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which method is best for solving the system of equations,
3x+2y=4
-3x+y=2
Answers
The method which is best for solving the system of equations when you remove one variable by adding them is B Elimination
To answer the question, we need to know what system of equations are
What are system of equations?System of equations are pairs of equations that contain two unknowns
Ways of solving system of equationsWe have different ways of solving systems of equations which include
Guess and CheckEliminationGraphing and SubstitutionSince we have the system of equations
3x + 2y = 4
-3x + y = 2
The method which we can use to remove one variable by adding them is the elimination method.
Adding them, we have
3x + 2y = 4
+
-3x + y = 2
3y = 6
y = 6/3
y = 2
So, the method which we can use to remove one variable by adding them is B Elimination
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Select the correct answer.
hich statement is false?
OA. The Inequality sign always opens up to the larger number.
OB.
The greater number in an inequality is always above the other number on the vertical number line.
OC. The smaller number in an inequality is always located to the left of the other number on the horizontal number line.
OD. The Inequality sign always opens up to the smaller number.
Reset
Next
Answers
Answer:
d
Step-by-step explanation:
the inequality sign opens up to the bigger number
HELPPPPPPPPPPPPPPPPPP
Answers
Answer:
B
Step-by-step explanation:
if we consider the coordinates of the points
(2, 3 )
(5, 6 )
(7, 8 )
we can see that the y - coordinate in each case is 1 more than the x- coordinate, then
y = x + 1 is the required rule
Alan is on the swim team. Each week he swims a total of 6000 meters. How many kilometers does he swim each week
Answers
Answer:
6 km
Step-by-step explanation:
1000 meters equals 1 kilometer
Which of these graphs represents a function?
5NW&S
4
1
43-2-1₁ 1 2 3 4 5
-2
-3
-4
-5
W.
N.
1
-5-4-3-2-1 1 2 3 4 5
JANM
-5
-2
Y.
A
X
२४
-3-2-
>
८
4
3
1
-5-4-3-2-1 1 2 3 4
-2
-3
-4
-5
>
X.
V
5
4
-2
-3
-4
5
Z.
HE
४
+X
1 2 3 4 5
Answers
Answer: W
Step-by-step explanation:
The graph must pass the vertical line test.
Jewel spins the pointer of a spinner. the spinner has 7 equal-sized sections labeled 1 to 7. what is the probability that jewel will spin a 7?
Answers
The answer is one in seven or (1/7)!!!!!!!!!!!!!!!!!!!!!!!!!!!!
find the volume of the pyramid
Answers
Volume is a three-dimensional scalar quantity. The volume of the right-triangular pyramid is 1.008 m³.
What is volume?A volume is a scalar number that expresses the amount of three-dimensional space enclosed by a closed surface.
The volume of a right-triangle pyramid is one-third of the product of its base area and its height. Therefore, the volume is,
Volume = (1/3) × 0.5 × 1.4 × 1.8 × 2.4
= 1.008 m³
Hence, the volume of the right-triangular pyramid is 1.008 m³.
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The mean of 19 numbers is 35.
One of these numbers is 70.
Determine the mean of the other 18 numbers.
Give your answer correct to 1 decimal place.
Submit Answer
Answers
Then we subtract the value 70 from the total sum to get the sum of the values without 70 (in order to compute the mean of these values)
Then we compute the mean.
If you have any additional questions ask.
Hopefully this helps
need help with this......
Answers
Based on the definition of sequence and the characteristics of the given sequence, the complete sequence is: 4, 543, 65432, 7654321, 876543210.
How to complete a sequence
Sequences are sets whose elements observes at least a condition. In this question we have a sequence formed by numbers formed by decimal digits ordered in descent way. Where the consecutive element has more digits than the previous one.
Then, we conclude that the complete sequence is: 4, 543, 65432, 7654321, 876543210.
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Rewrite the equation in Ax+By=C form.
Use integers for A, B, and C.
y+1=2(x+5)
Answers
Step-by-step explanation:
y + 1 = 2(x + 5) = 2x + 10
y - 9 = 2x
2x - y = -9
What is the inverse of the function f(x) = 2x + 1?
Answers
Answer:
:) The Inverse of the Function f(x) = 2x + 1 is f-1(x) = x/2 - 1/2.
Step-by-step explanation:
mark me brainlist^_^
Your friend is supposed to meet you at the beach between 12pm and 1:30pm. If you arrive at 12:25pm and you do not see you friend, what is the probability that you will have missed your friend? Express your answer as a percentage.
Answers
The probability that you will have missed your friend is 27.78%
How to determine the probability?The time of meeting is given as:
Time = 90 minutes (i.e 12pm and 1:30pm)
Your time of arrival is given as:
Arrival = 12:25pm
If you missed your friend, it means that your friend arrives earlier.
So, the time spent by your friend is:
Friend= 12:25 - 12 = 25 minutes
The probability that you will have missed your friend is:
P = 25 minutes/90 minutes
Evaluate
P = 27.78%
Hence, the probability that you will have missed your friend is 27.78%
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Sheryl makes $7 per pair of
earrings, e, and $13 per necklace,
n, she sells. What expression
represents
her total income?
70+13n
Answers
An expression is defined as a set of numbers, variables, and mathematical operations. The expression that can represent the total income of Sheryl is 7e+13n.
What is an Expression?In mathematics, an expression is defined as a set of numbers, variables, and mathematical operations formed according to rules dependent on the context.
Since Sheryl makes $7 per pair of earrings and $13 per necklace, therefore, the expression that can represent her total income of Sheryl is 7e+13n.
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what is the solution to the inequality below 14-2(x+1)< -4
Answers
Answer:
x > 8
Step-by-step explanation:
14 - 2(x + 1) < - 4 ← distribute parenthesis and simplify left side
14 - 2x - 2 < - 4
12 - 2x < - 4 ( subtract 12 from both sides )
- 2x < - 16
divide both sides by - 2 , reversing the symbol as a result of dividing by a negative quantity.
x > 8
Question 5 of 5
Select the correct answer from each drop-down menu.
The area of this rectangle is 54 square inches. Create an equation to find the value of n.
3(n-1)
54 square inches n+2
rẻ tint
▼ = 0
Answers
Answer:
[tex]3n^2+3n-6=54[/tex]
Step-by-step explanation:
Total Area=54 square inches. Area=length*width.
Because the length is [tex][3(n-1)][/tex], and the width is [tex](n+2)[/tex], you can plug that into the equation for area. In this case, because the total area is 54, we can plug that in for area.
[tex][3(n-1)](n+2)=54[/tex]
Distribute through the parenthesis in [tex]3(n-1)[/tex].
[tex](3n-3)(n+2)=54[/tex]
Then, multiply [tex]3n-3[/tex] and [tex]n+2[/tex] using whatever method you prefer. I used FOIL, which stands for First, Outer, Inner, Last. You multiply the first terms together, the outer terms together, the inner terms together, and the last terms together.
[tex]3n^2+6n-3n-6=54[/tex]
Simplify.
[tex]3n^2+3n-6=54[/tex]