The solutions to the equation 10x⁴ + 30x³ + 35x² as required in the task content are; 0, (-3 + i√5)/2, and (-3 - i√5)/2.
What are all the solutions to the equation 10x⁴ + 30x³ + 35x² = 0 as given in the task content?It follows from the task content that the given equation is; 10x⁴ + 30x³ + 35x² = 0.
Hence, to find all the solutions of the equation, one must factorise the expression on the left hand side so as to obtain the factors as follows;
10x² (x² + 3x +3.5) = 0
Hence, we have;
10x² = 0; x = 0 OR
x² + 3x +3.5 = 0.
Hence, it follows from the quadratic formula that the roots/zeroes of x in the equation above can be evaluated as follows;
x = {-b±√(b²-4ac)}/2a
hence, by comparison, we have;
x = {-3±√(9-14)}/2
x = (-3 ± √-5)/2
x = (-3 ± i√5)/2
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Use mental math strategies to solve the equation.
3,500 +
Choose...
= 3,500
Part B
Which property of addition does the equation show?
A.
Associative Property of Addition
B.
Commutative Property of Addition
C.
Distributive Property of Addition
D.
Identity Property of Addition
Answer:
the answer would be A
help plsssssssssssssssssssssssssssss
Answer:
8.3x10^1
Step-by-step explanation:
you don't even need to do any math for this question. just look for the number between 1 and 10
Date
11. Write the fraction below as a decimal rounded
to the nearest hundredth.
25
7
Answer:
3.57
Step-by-step explanation:
25/7 is the same as 25÷7 which is 3.57
The governor of state A earns $47,535 more than the governor of state B. If the total of their salaries is $299,115, find the salaries of each.
Select all the equations that have the same as 3x - 12 = 24
The equations that have the same solution as 3x - 12 = 24 include:
a. 15x - 60 = 120C. 3x = 36d. x - 4 = 8Given data
3x - 12 = 24
How to find the solution of the given expression3x - 12 = 24
3x = 24 + 12
3x = 36
x = 36 / 3
x = 12
substituting the value of x in the equations to get to check if the value is same for the given question
a. 15x - 60 = 120
15 * 12 - 60 = 120
180 - 60 = 120
120 = 120 correct
b. 3x=12
3 * 12 = 12
36 ≠ 12 incorrect
C. 3x = 36
3 * 12 = 36
36 = 36 correct
d. x - 4= 8
12 - 4 = 8
8 = 8 correct
e. 12x - 12 = 24
12 * 12 - 12 = 24
144 - 12 = 24
132 ≠ 24 incorrect
Hence we can say that the equations that have same solution as the given equation are options A, C, and D
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complete question
The complete question is attached
39,004 in expanded form
30,000 9,000 4 this it the answer to your question
Graph the following line
X=0
Answer:
the line runs that aligns with the y-intercept
Step-by-step explanation:
Which expression represents 7/21
Write an algebraic expression for the verbal description.
The discount d is 40% of the list price L.
Answer:
D = 0.4(L)
Step-by-step explanation:
D = 0.4(L)
Answer: 0.4L=d
Step-by-step explanation:
40%=0.4
0.4L=d ==> 40% of L, the listed price, is d, the discount.
There are 5 one-digit numbers in a set of data. The mean is 3, the mode is 1, and the median is 4. What are the numbers in the set of data?
The composite bar chart Messages received shows the number of messages Tim received each day for five days.
a) How many texts did Tim receive on Monday?
b) How many emails did Tim receive on Thursday?
c) In total, what fraction of the messages were emails?
Give your answer in its simplest form.
We need to know about a composite bar chart to solve the question. The answer for (a) is Tim received 8 texts on Monday, (b) Tim received 4 emails on Thursday and (c) 0.52 of the messages were emails.
A composite bar chart is used when there are two sets of data that are connected and their frequencies are combined.In this question there are two sets of data emails and texts but both of them belong to the same category which is messages. For question (a) we can easily say from the diagram that the number of texts Tim received on Monday is 8.
For question (b) we need to find out the number of emails Tim received on Thursday, for this we have to look at the bar for Thursday and subtract the number of texts received from total number of messages to get the number of emails received that means, 15-11=4, so Tim received 4 emails on Thursday.
For question (c) we need to find the total number of messages received by Tim for five days, total number of emails received and then calculate the fraction of emails out of messages.
Total number of messages=14+16+14+15+14=73
Total number of emails=6+10+10+4+8=38
Fraction of emails over messages=[tex]\frac{38}{73}[/tex]=0.52
Thus 0.52 of the messages were emails.
We analysed the composite bar chart to find out the answers of the three questions, Tim received 8 texts on Monday,4 emails on Thursday and 0.52 of the messages were emails.
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Answer:
a= 5
b= 7
c=
Step-by-step explanation:
I don't have many points but I will make brainliest, thank you !!
Answer: The answer for question 48. is -9, The answer for question 49. is 1/2, the answer for question 50. is -2.25, and for question 51 it's 4/5
Step-by-step explanation:
How to solve question 48
1/2(-12-6)-3(5-3)
-6+3-15+9
-3-6
-9
How to solve question 49
(20/2)+10/(-10+20+30)
10+10/40
20/40
1/2
How to solve question 50.
3/4(-15+4)+(8+7)/(-3)
-45/4+3+15/-3
-11.25+3+15/-3
6.75/-3
-2.25
How to solve question 51
5(7)-(3+4)/-2^2-2^2+3^2
35-7/4+4+27
28/35
4/5
Hope this helped owo
Given m n, find the value of x.
The value of x from the given parallel lines, using corresponding angles concept, we get 32°.
Given that, straight line m parallel to straight line n and t is the transversal.
The corresponding angles definition tells us that when two parallel lines are intersected by a third one, the angles that occupy the same relative position at each intersection are known to be corresponding angles to each other.
Here, x°=32°
Therefore, the value of x from the given parallel lines is 32°.
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The telephone company offers two billing plans for local calls. Plan 1 charges $21 per month for unlimited calls and Plan 2 charges $15 per month plus $0.06 per call.
a. Use an inequality to find the number of monthly calls for which Plan 1 is more economical than Plan 2.
b. Explain the meaning of the answer to part a.
a. Let x represent the number of monthly calls.
Answer:
Step-by-step explanation:
The number of monthly calls for which Plan 1 is more economical than Plan 2 is 200 calls
If more than 200 calls are made, the plan 1 charge will be more than plan 2.
Let the number of charges per month be x
If plan 2 charges $16 per month plus $0.04 per call, this is expressed as 0.04x + 16
Price that pan 1 charges = $24
If Plan 1 is more economical than Plan 2, this is expressed as:
0.04x + 16 > 24
Subtract 16 from both sides:
0.04x + 16 - 16 > 24 - 16
0.04x > 8
x = 6/0.04
x = 200
This shows that if more than 200 calls are made, the plan 1 charge will be more than plan 2.
Write a one-variable equation or inequality with variables on both sides to describe the problem situation. Complete Steps 1 - 3 in order.
Two drones are descending from the sky in vertical lines. A black drone is currently at an altitude of 1,170 feet and is dropping at a rate of 64 feet per minute. A white drone is at an altitude of 966 feet and is dropping at a rate of 52 feet per minute. How many minutes will it take for the two drones be at the same altitude? Use the variable `n` to represent the unknown quantity.
The number of minutes that it will take for the two drones be at the same altitude is 17 minutes.
How to illustrate the information?It should be noted that ablack drone is currently at an altitude of 1,170 feet and is dropping at a rate of 64 feet per minute. The expression will be:
1170 - 64m
The white drone is at an altitude of 966 feet and is dropping at a rate of 52 feet per minute. This will be 966 - 52m where m = number of minute
Therefore, we will equate both equations. This will be:
1170 - 64m = 966 - 52m
Collect like terms
-64m + 52m = 966 - 1170
12m = 204
Divide
m = 204 / 12
m = 17
Therefore, the number of minutes that it will take for the two drones be at the same altitude is 17 minutes.
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If the sum of a number and three is tripled the result is one less than twice the number. Find the number.
The number in the equation is -10.
Given,
The sum of a number and three is tripled the result is one less than twice the number.
We can take the number as x.
Then,
3(x + 3) = (2x - 1)
Equate the above equation and find x.
3x + 9 = 2x - 1
Add -2x to both sides:
That is,
3x - 2x + 9 = 2x - 2x - 1
x + 9 = -1
Add -9 to both sides:
We get,
x + 9 - 9 = -1 - 9
x = -10.
That is, the number in the equation is -10.
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|4y - 10| = 20 for all values of y in simplest form.
Answer: -5/2
Step-by-step explanation:
4y−10∣=20
Combine like terms and use the properties of equality to get the variable on one side of the equal sign and the numbers on the other side. ∣4y−10∣=20 Use the definition of absolute value.
4y−10=20
4y−10=−20
Add 10 to both sides of the equation. 4y=30 which then equals 4y=−10
Divide both sides by 4 to get y = 15 over 2 converted to y = negative 5 over 2
(hope this is helpful)
100 points!!! Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. Release your mouse button when the item is place. If you change your mind, drag the item to the trashcan. Click the trashcan to clear all your answers.
Multiply or divide as indicated.
x^10/x^4
Answer:
[tex]x^{6}[/tex]
Step-by-step explanation:
To simply exponents in a fraction, subtract the exponent for each variable in the denominator from the exponent in the numerator.
Answer:
[tex]x^6[/tex]
Step-by-step explanation:
Given expression:
[tex]\dfrac{x^{10}}{x^4}[/tex]
[tex]\textsf{Apply exponent rule} \quad \dfrac{a^b}{a^c}=a^{b-c}:[/tex]
[tex]\implies \dfrac{x^{10}}{x^4}=x^{(10-4)}=x^6[/tex]
what is eight times the square a number z minus three in mathematical translate?
Answer:
8*z^2-3
Step-by-step explanation:
You are to move from A to B, always moving
right or down along the lines. On how many
different paths can you go? [The number of paths
from A to various intersections has been included.
Answer:
70
Step-by-step explanation:
You want the number of paths from corner to corner on a 5×5 grid with no backtracking.
Pascal's triangleThe geometry of the problem matches that of Pascal's triangle, attached.
In the attached figure, the value at each node is the sum of the values above and to the left. This matches the counting process for paths that can be used to get to any particular point on the grid: the total number of ways to get there is the sum of the ways it can be approached from above and the ways it can be approached from the left.
The given grid has some numbers filled in. If we continue to assign values to nodes that are the sum of the values above and to the left, we find the node values match the upper left 5×5 array of values in the attachment.
The value at the lower right corner of that array is 70. That is, ...
there are 70 ways to get from A to B.
__
Alternate solution
The path taken will always have 8 steps. Of those, 4 must be to the right, and 4 must be down. The number of ways we can choose 4 of those 8 steps to be steps to the right is "8 choose 4" ...
C(8,4) = 8!/(4!(8-4)!) = (8·7·6·5)/(4·3·2·1) = 70
Of course, using Pascal's triangle is simply another way to find the value of C(n,k).
Simplify the following expression:
3[(x³ -7x+1)-(x+4)]
10. f(3)=2x-5 Evaluate the function.
Answer should be written: f(3)=?
Type a response
2/1
The evaluation of function will give the result f(3) = 1
To find the value of function given in question, we will simply keep the desired value in place of variable x.
Rewriting the equation
f(3) = 2x - 5
Keep the value of x in equation, as given in question
f(3) = 2×3 - 5
Performing multiplication to find the value of x in equation given in question
f(3) = 6 - 5
Performing subtraction to find the value of x in equation given in question
f(3) = 1
Therefore, the result of evaluation of given function is f(3) = 1.
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You need to make 12 servings of fried fish. Each serving takes 7.5 ounces of flour. How many ounces of flour do you need?
given the data in the table below, determine the value of a and b in the model y = a +bx and hence find the value of y when x = 12
X 2 3 4 5 6 8
Y 5 6 8 9 10 12
The equation that models the data will be y = 3 + x and for x = 12, y will be 15.
We are given the equation:
y = a + b x
Also, we have some points of the equation as:
X 2 3 4 5 6 8
Y 5 6 8 9 10 12
For the point ( 2 , 5 ), we have the equation as:
5 = a + b ( 2 )
5 = a + 2 b
a = 5 - 2 b …(1)
For the point (3 , 6), we have the equation as:
6 = a + b (3)
6 = a + 3 b
a = 6 - 3 b …(2)
From (1) and (2), we get that:
5 - 2 b = 6 - 3 b
3 b - 2 b = 6 - 5
b = 1
a = 5 - 2
a = 3
So, the equation will become:
y = 3 + x
For x = 12, we get the value of y as:
y = 3 + 12
y = 15
Therefore, we get that, the equation that models the data will be y = 3 + x and for x = 12, y will be 15.
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Bryan, Michael, and Han are painting a house. Working together, they can paint the house in 6 hr. Working alone, Bryan can paint a similar sized house in 15 hr and Han can paint a similar sized house in 18 hr. How many hours would it take Michael to paint a similar sized house working alone? Enter the answer to the nearest tenth.
Answer:
Step-by-step explanation:
11x+90=15x
The computation shows that Michael will take 22.5 hours to paint a similar sized house working
How to compute the value?Based on the information given, the appropriate equation to use will be:
= 1/15 + 1/18 + 1/Michael = 1/6
Add the two fractions on the left
11/90 + 1/Michael = 1/6
1/Michael = 1/6 - 11/90
Take the reciprocal
Michael = 45/2
Michael= 22.5
Michael will take 22.5 hours.
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Write a function g whose graph represents the
indicated transformation of the graph of f.
f(x)=2x-9; translation 6 units up
The translated function is g(x) =
Answer: g(x)=2x-3
Step-by-step explanation:
f(x)=2x-9
g(x)=2x-9+6 ==> Translate 6 units up
g(x)=2x-3
In Exercises 11 and 12, find m/1, m/2, and m/3.
Explain your reasoning.
Answer:
11
m/1= 100, m/2 = 80, m/3 = 100
12
m/1 = 47, m/2= 133, m/3=47
Step-by-step explanation:
Number 11 uses Cointerior angle rule
Number 12 uses Cointerior angle rule and Corresponding angle rules
On a coordinate plane, a parabola opens up. It goes through (negative 3, 0), has a vertex at (negative 1, negative 11), and goes through (1, 0).
What is the range of the function f(x) = 3x2 + 6x – 8?
{y|y ≥ –1}
{y|y ≤ –1}
{y|y ≥ –11}
{y|y ≤ –11}
TIME REMAINING
22:14
On a coordinate plane, a parabola opens up. It goes through (negative 6, 0), has a vertex at (negative 2, negative 16), has a y-intercept at (0, negative 12), and goes through (2, 0).
What are the x-intercepts of the graph of the function f(x) = x2 + 4x – 12?
(–6, 0), (2,0)
(–2, –16), (0, –12)
(–6, 0), (–2, –16), (2, 0)
(0, –12), (–6, 0), (2, 0)
1) (c) The range of the function f(x) = 3x² + 6x - 8 is {y|y ≥ –11}.
2) (d) The x-intercepts of the graph of the function f(x) = x² + 4x - 12 are ( - 6, 0) and ( 2, 0 ).
1). A parabola opens upward and it passes through ( - 3, 0) and ( 1, 0), and has vertex at ( - 1, - 11 ).
We have the function for the parabola f(x) = 3x² + 6x - 8.
Vertex and the coefficient of the quadratic term are two features of a parabola that aid in determining its range.
Therefore, the critique point of the range and a portion of the constraint is the vertex's vertical coordinate. The next step is to determine if the parabola is concave up or down. The parabola is concave up in this issue if the coefficient of the quadratic terms is positive. As a result of the parabola's concave upward shape, all real numbers greater than - 11 fall into the function's permissible range.
Hence, the range of the function is {y|y ≥ –11}.
2). The graph of the function with the equation f(x) = x² + 4x - 12 is a parabola that opens upward, passes between the points ( - 6, 0) and ( 2, 0), and its vertex is at ( - 6, 0). ( - 2, - 16). It is the y-intercept ( 0, - 12).
The x-intercepts are the locations where the graph and x-axis meet. The y-coordinate of these points is always zero. A parabola can only have two x-intercepts at most. As we can see, the parabola passes through the points ( - 6, 0) and ( 2, 0), and have y coordinates 0, hence the x-intercepts are ( - 6, 0) and ( 2, 0).
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The complete question is mentioned below:
1. On a coordinate plane, a parabola opens up. It goes through (negative 3, 0), has a vertex at (negative 1, negative 11), and goes through (1, 0).
What is the range of the function f(x) = 3x² + 6x – 8?
(a) {y|y ≥ –1}
(b) {y|y ≤ –1}
(c) {y|y ≥ –11}
(d) {y|y ≤ –11}
2. On a coordinate plane, a parabola opens up. It goes through (negative 6, 0), has a vertex at (negative 2, negative 16), has a y-intercept at (0, negative 12), and goes through (2, 0).
What are the x-intercepts of the graph of the function f(x) = x² + 4x – 12?
(a) (-6, 0), (2,0)
(b) (-2, -16), (0, -12)
(c) (- 6, 0), ( - 2, - 16),
(d) ( 2, 0) (0, -12),
(e) ( - 6, 0), (2, 0)
Urgent (I added 35 points)
The diagram below is drawn on a one-centimetre square grid
Work out the area of the shaded triangle:
Answer:
rr
Step-by-step explanation:
xd
ddddd
Kelly works four hours a day on tickets and solves on average 38 tickets per day. Brian works five hours per day and solves 45 tickets per hour. Marvin works six hours a day on tickets and solves on average 59 tickets per day. Linda works five and a half hours a day on tickets and solves 53 tickets per day. Who solves the most tickets per hour?
Answer:
Marvin
Step-by-step explanation:
Kelly works four hours a day on tickets and solves on average 38 tickets per day.
38 tickets / 4 hours = 9.5 tickers per hour
_____________________
Brian works five hours per day and solves 45 tickets per hour.
45 tickets / 5 hours = 9 tickers per hour
_____________________________
Marvin works six hours a day on tickets and solves on average 59 tickets per day.
59 tickets / 6 hours = 9.83333 tickers per hour
______________________
Linda works five and a half hours a day on tickets and solves 53 tickets per day.
53 tickets / 5.5 hours = 9.6363637 tickers per hour
Who solves the most tickets per hour? Marvin at 9.833 tickets an hour