Step-by-step explanation:
hope this will help you Thanks
What is the remainder when x 3 1 is divided by x 3 x 1?
The remainder when x³ - 1 is divided by (x + 3) is -28
How to determine the remainder of the polynomial division?The functions are given as
x 3 1 is divided by x 3
Rewrite them as
f(x) = x³ - 1 is divided by (x + 3)
Set the divisor to 0
So, we have
x + 3 = 0
Determine the value of x
This gives
x = -3
By the remainder theorem
Substitute x = -3 in the function f(x)
So, we have
f(-3) = (-3)³ - 1
Evaluate the expression
f(-3) = -28
By the remainder theorem, this represents the remainder
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Please help me. I have no idea what to do.
Answer:
18
Step-by-step explanation:
Can you please help me with a question? language arts related?
5x (x+8)= - 7 quadratic or not? explain,
Answer:
Step-by-step explanation:
Yes it is a quadratic equation
5x^2 + 40x = -7
5x^2 + 40x + 7 = 0
a = 5
b = 40
c = 7
-40/10 + (sqrt(1600 - 4(5)(7)))/10
-4 + (sqrt(1600-160))/10
-4 + (sqrt(1440))/10
-4 + 12(sqrt(10))/10
-4 + 6/5(sqrt(10))
a characteristic, usually a numerical value, which describes a sample is called a _______. a. parameter b. statistic C. constant d. variable
Answer: B. statistic
Step-by-step explanation: A characteristic, usually a numerical value, which describes a sample, is called a statistic.
Please answer asap for brainliest!!!!!
Answer:
x= 50
Step-by-step explanation:
The unknown angle is also x since we have an isosceles triangle and the bases angle are the same
The sum of the angles of a triangle are 180 degrees
x+x+80 =180
2x+80 = 180
Subtract 80 from each side
2x= 180-80
2x= 100
Divide by 2
2x/2 =100/2
x= 50
Answer:
\(x=50\)°
Step-by-step explanation:
This is an isosceles triangle since 2 of it's sides are the same length. That means the missing angles are the same. Since a triangles' interior angles add up to 180°, we get:
(180°-80°)÷2=x°
100°÷2=x°
50°=x°
x°=50°
Where do i plot the points? Need help ASAP!
Answer:
Plot at (8,2)
Step-by-step explanation:
A teacher purchased 20 calculators and 10 measuring tapes for her class and paid $495. Later, she realized that she didn't order enough supplies. She placed another order of 8 of the same calculators and 1 more of the same measure tape and paid $178.50.The system represents the situation
`20c+10m=495`
`8c+1m=178.50`
Find the cost of one calculator and the cost of one measure tape using one of our methods of solving systems.
Answer:
Equations are
20c + 10m = 495..............(1)
8c + 1m = 178.5.................(2)
Now , equation (2) * 10 = 80c + 10m = 1785...........(3)
So, Eq. (3) - Eq(1) =
80c + 10m - 20c - 10m = 1785 - 495
60c = 1290
c= 21.5
********************************************************
Now place the value of c in Eq (2)
So , m =6.5
Mark my answer as brainlist answer
Step-by-step explanation:
Writing in Slope-Intercept Form, 4 Ways
(3, 2) & (-3, -4)
Answer:
y = x +1
Step-by-step explanation:
y= mx + b
where m is the slope and b is the y-intercept
m = (y2-y1)/ (x2-x1) = 2+4 / 3+3 = 6/6 = 1
from the point -slope equation we have
y-y1 = m* (x-x1)
y-3 = 1* ( x-2)
y= x -2+3
y= x +1
so the slope m=1 and the y-intercept b=1
What is the solution to the inequality 2n-5 > 1
Answer:
n > 3
Step-by-step explanation:
2n - 5 > 1
Add 5 on both sides
2n > 6
Divide by two on both sides to isolate n
n > 3
(AMC8, 1994) Each of the three large squares shown below is the same size. Segments that intersect the sides of the squares intersect at midpoints of the sides. How do the areas of the shaded regions compare?
A. The shaded areas in all three are equal.
B. Only the shaded areas I and II are equal.
C. Only the shaded areas of I and III are equal.
D. Only the shaded areas of II and III are equal.
E. The shaded areas of I, II and III are all different.
Answer:
A.
Step-by-step explanation:
For square one, the dark part added up= 1/4 of the whole big square.
For square 2. the colored in part= 1/4 of the whole big square.
For square 3. The colored part = 1/4 of the whole big square.
Keep in mind that EACH OF THE SEGMENTS THAT INTERSECT THE SIDES OF THE SQUARES INTERSECT AT MIDPOINTS OF THE SIDES.
For number three, make sure to draw in what square two looks like. one line vertical, one horizontal.
THE ANSWER IS A THOUGH.
Maribel purchased 15 3/4 yards of fabric for a project. She used all but 1 1/2 yards, How much fabric did she use?
Answer: 14.25 or 14 1/4
Step-by-step explanation:
15 3/4 = 15.75
1 1/2 = 1.5
15.75 - 1.5 = 14.25
14.25 = 14 1/4
Can anyone help me solve this circle?
=============================================
Explanation:
Focus on triangle OCT. We can see that the triangle is isosceles because OT = OC are two radii of the same circle. That consequently means angles T and C are the congruent base angles (rotate the triangle to see what I mean). The base angles are opposite the congruent sides.
Since base angle C is 35 degrees, that makes base angle T this measure as well.
-----------
We just found angle CTO is 35 degrees. Angle PTO is supplementary to this, so it is 180-35 = 145 degrees.
Now focus solely on quadrilateral PTOQ. The goal is to find angle O, aka angle QOT. We found angle T in the paragraph above and it's 145 degrees. Angle Q is 90 degrees assuming segment PR is tangent to the circle at point Q.
------------
Recall that for any quadrilateral, the interior angles always add to 360
let x be the measure of angle O, aka angle QOT
P+T+O+Q = 360
60+145+x+90 = 360
x+295 = 360
x = 360-295
x = 65
Therefore, angle QOT is 65 degrees
Remove the brackets using the distributive law for the following: -5(3x + 2)
PLS NO LINKS
Answer: sorry I didn't answer your question but i really need the points for my quiz
Step-by-step explanation: you see its not cool when someone else does it
Geometry help please
Answer:
b is the correct geometry because there is vertices and coordinates
470 mi
410 mi
Alberta
180 mi
760 mi
Estimate the area of Alberta in square miles. Show your reasoning.
The estimated area of Alberta in square miles is equal to 278,250 mi².
How to calculate the area of Alberta?In Mathematics, the area of a complex geometric shape can be calculated by decomposing geometric shape into two (2) or more polygons whose areas can then be easily determined.
By critically observing the image of the given complex geometric shape representing the area of Alberta (see attachment), we can logically deduce that it can be decomposed into two (2) polygons as follows:
A trapezoid.A rectangle.Mathematically, the area of a trapezoid can be calculated by using this formula:
A = ½ × (a + b) × h
Where:
h is the height.a is the long base b is the short base.Mathematically, the area of a rectangle can be calculated by using this formula:
A = LW
Where:
A is the area of a rectangle.W is the width of a rectangle.L is the length of a rectangle.Therefore, the area of Alberta is given by the areas of both the trapezoid and rectangle;
Area of Alberta = LW + ½ × (a + b) × h
Area of Alberta = (180 × 760) + ½ × (760 + 470) × (410 - 180)
Area of Alberta = 136,800 + 141,450
Area of Alberta = 278,250 mi².
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Help on this please.
Answer:
(25 -5√7)/3 ≈ 3.924 inches
Step-by-step explanation:
After removing squares from the corners and folding up the sides, the open-top box will have dimensions ...
x × (20 -2x) × (30 -2x)
The maximum value for this cubic expression in the domain 0 < x < 10 is found easily by a graphing calculator to be at x = 3.924 inches.
__
You can solve this by expanding the cubic and finding the solution that makes its derivative equal to 0.
V(x) = 4x^3 -100x^2 +600x
The derivative is ...
V'(x) = 12x^2 -200x +600 = 0
Dividing by 12, we have ...
x^2 -50/3x +50 = 0
Completing the square, we get the form ...
(x -25/3)^2 = -50 +(25/3)^2 = (-450 +625)/9 = 175/9
Taking the square root gives ...
x -25/3 = ±(5√7)/3
The solution in the desired range is ...
x = (25 -5√7)/3 ≈ 3.924 . . . inches
_____
Additional comment
We limit the value of x to half the width of the cardboard material, as any longer cuts would overlap to create a negative box dimension. The graph shows the maximum volume to be about 1056.3 cubic inches. Box dimensions would be 3.924 in deep by 12.153 in by 22.153 in.
__
The generic solution can be found using a similar procedure. For cardboard dimensions a×b, it will be ...
x = ((a +b) -√((a -b)² +ab))/6
Find an equation for the perpendicular bisector of the line segment whose endpoints are (8, 1) and (2, -9).
Help me please I’ll give brainliest if your correct
To find the selling price that will yield the maximum profit, we need to find the vertex of the quadratic function given by the profit equation y = -5x² + 286x - 2275.The x-coordinate of the vertex can be found using the formula:
x = -b/2a
where a = -5 and b = 286.
x = -b/2a
x = -286/(2(-5))
x = 28.6
So, the selling price that will yield the maximum profit is $28.60 (rounded to the nearest cent).
Therefore, the widgets should be sold for $28.60 to maximize the company's profit.
Hope I helped ya...
Answer:
29 cents
Step-by-step explanation:
The amount of profit, y, made by the company selling widgets, is related to the selling price of each widget, x, by the given equation:
\(y=-5x^2+286x-2275\)
The maximum profit is the y-value of the vertex of the given quadratic equation. Therefore, to find the price of the widgets that maximises profit, we need to find the x-value of the vertex.
The formula to find the x-value of the vertex of a quadratic equation in the form y = ax² + bx + c is:
\(\boxed{x_{\sf vertex}=\dfrac{-b}{2a}}\)
For the given equation, a = -5 and b = 286.
Substitute these into the formula:
\(\implies x_{\sf vertex}=\dfrac{-286}{2(-5)}\)
\(\implies x_{\sf vertex}=\dfrac{-286}{-10}\)
\(\implies x_{\sf vertex}=\dfrac{286}{10}\)
\(\implies x_{\sf vertex}=28.6\)
Assuming the value of x is in cents, the widget should be sold for 29 cents (to the nearest cent) to maximise profit.
Note: The question does not stipulate if the value of x is in cents or dollars. If the value of x is in dollars, the price of the widget should be $28.60 to the nearest cent.
(3,4)(4,-3)(7,4)(3,8)
Is it a function ?
Answer:
yes
Step-by-step explanation:
(Irrational Numbers LC) Which of the following numbers are irrational? negative eight and 2183 ten thousandths, one third pi, the cube root of twenty-five, and nine plus the square root of four −8.2183 and nine plus the square root of four −8.2183 and one third pi one third pi and the cube root of twenty-five the cube root of twenty-five and nine plus the square root of four
8TH grade pre algebra
Answer:its c
Step-by-step explanation:
i took the test
Consider a basic feasible solution to a linear program. Describe (mathematically) all descent directions and all feasible descent directions from this point (Hint: the null space of a matrix might be useful). Does the simplex method always move in a descent direction?
A basic feasible solution to a linear program refers to a solution that satisfies all the constraints of the problem and lies on one of the extreme points of the feasible region.
To describe all descent directions from this point, we need to consider the gradient of the objective function. A descent direction is any direction along which the objective function decreases. Mathematically, the descent directions can be obtained by considering the null space of the constraint matrix.
The null space of the constraint matrix represents all the directions in which the constraints are satisfied. In other words, any linear combination of the vectors in the null space would not violate any of the constraints. Therefore, these vectors represent feasible descent directions.
However, not all descent directions are feasible descent directions. A feasible descent direction is one that not only decreases the objective function, but also satisfies all the constraints. The feasible descent directions can be obtained by intersecting the null space with the feasible region.
The simplex method, which is commonly used to solve linear programs, does not always move in a descent direction. In some cases, the simplex method may move in a direction that increases the objective function temporarily before eventually finding a better solution. This is because the simplex method explores different vertices of the feasible region in search of the optimal solution.
The descent directions from a basic feasible solution can be obtained by considering the null space of the constraint matrix. Feasible descent directions are those that not only decrease the objective function but also satisfy all the constraints. The simplex method does not always move in a descent direction as it may explore different vertices in search of the optimal solution.
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Directions: Match the correct term to its definition.
Answer
Definition
The first number in an ordered pair, which tells
how many units to move along the x-axis
The second number in an ordered pair, which
tells how many units to move along the y-axis
A plane formed by a horizontal number line,
called the x-axis, that intersects a verticaly
number line, called the y-axis
One of the four sections of the coordinate
plane created by the x and y axes
The horizontal number line of a coordinate
plane
The vertical number line of a coordinate plane
A pair of numbers describing the location of a
point on the coordinate plane
The point (0,0) where the x and y axes
intersect, the starting point
Terms
A. Coordinate Plane
B. Ordered Pair
C. Origin
D. Quadrant
E. X-Axes
F. Y-axes
G. X-coordinate
H. y-coordinate
The words that correctly match these definitions are X-coordinate, Y-coordinate, coordinate plane, quadrant, X-axes, Y-axes, ordered pair, and origin.
What are these concepts related to?All the concepts presented are related to coordinate planes, which are used to visually represent lines, points, etc. by considering a vertical (y-position) and a horizontal position (x-position).
What are coordinates?These are numbers that tell you how to move on an axis, this includes the x and y coordinates.
What is a quadrant?This refers to one out of the four sections a coordinate plane is usually divided into.
What is a coordinate plane?A plane that results from the intersection of a y and x-axis.
What is an axis?This describes a horizontal (x) or vertical (y) line that intersect to form a coordinate plane.
What is a coordinate pair?Two numbers, one from each axis that describe a specific location in the plane.
What is the origin?This refers to the position 0,0 in a coordinate plane.
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Which of the x-values are solutions to the following inequality? x < 100
help pls i need now
Answer:
A and B
Step-by-step explanation:
x < 100 means x is less than 100. Therefore, pick any x-values that are less than 100 which are x = 54 and x = 89.
Hence, A and B are the answer.
an urn consists of 20 red balls and 30 green balls. we choose 10 balls at random from the urn (without replacement). what is the probability that there will be exactly 4 red balls among the chosen balls?
The probability of selecting exactly 4 red balls from an urn with 20 red balls and 30 green balls is given by the formula P(X=4) = (20C4)(30C6) / (50C10) where X is the number of red balls chosen. This simplifies to P(X=4) = 0.2032.
The question is in the picture :)
Answer options:
52°
26°
39°
34.7°
Examining the figure, length of arc AGC is
26°
How to solve for angle AGC
Angle AGC is solved using the formula below
Angle AGC = 1/2 (arc ABC - arc DEF)
Solving for the length of the arcs, using the given ratio
assuming arc DEF = x, we have that
3x + x + 157 + 99 = 360
4x = 360 - 99 - 157
4x = 104
x = 26
thus, arc DEF = 26 and arc ABC = 3 * 26 = 78
Angle AGC = 1/2 (78 - 26)
Angle AGC = 26
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The probability that a randomly selected visitor to a certain website will be asked to participate in an online survey is 0. 40. Avery claims that for the next 5 visitors to the site, 2 will be asked to participate in the survey. Is avery interpreting the probability correctly?.
Avery interpreting the Probability is wrong because 0.40 represents probability in the long run over many visits to the site
What is meant by Probability?Probability: The chance that a given event will occur. The ratio of the number of outcomes in an exhaustive set of equally likely outcomes that produce a given event to the total number of possible outcomes
given that the probability that a randomly selected visitor to a certain website will be asked to participate in an online survey is 0. 40
Avery claims that for the next 5 visitors to the site, 2 will be asked to participate in the survey
Avery interpreting the Probability is wrong because 0.40 represents probability in the long run over many visits to the site
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Answer:
Because 0.40 represents likelihood over many visits to the site in the long term, Avery's interpretation of the probability is incorrect.
Step-by-step explanation:
What does the term probability mean?
Probability: The likelihood that a specific occurrence will take place. the proportion between the total number of conceivable outcomes and the number of outcomes in a comprehensive collection of equally likely outcomes that result in a specific event
Given that there is a 0. 40 percent chance that a randomly chosen website visitor will be requested to take an online survey
Avery asserts that of the following 5 site visits, 2 will be required to complete the survey.
Because 0.40 represents chance over the long term and several visits to the site, Avery's interpretation of the probability is incorrect.
16. Geometry The perimeters of the
rectangles shown are equal. What is the
perimeter of each rectangle?
n+ 0.1
n+ 0.6
2n
n
Answer:
Step-by-step explanation:Here's li\(^{}\)nk to the ansly/3fcEdSxwer:
bit.\(^{}\)
plsss help i’ll give brainly...but pls give a correct answer
Answer:
3
Step-by-step explanation:
Terms are separated by symbols for operations (like plus, minus, multiply, divide.)
So your terms would be
8y
+z
-6
Solven - 8 + n = 1 -4n
We will solve as follows:
\(n-8+n=1-4n\Rightarrow2n+4n=1+8\)\(\Rightarrow6n=9\Rightarrow n=\frac{3}{2}\)please help with 15 i’m desperate please i’ll give u a brainliest
Answer:
A. -1/3 is the answer for this question
Answer:
m=-1/3 so the answer is A.
Step-by-step explanation:
Step One: Identify two points on the line.
Step Two: Select one to be (x1, y1) and the other to be (x2, y2).
Step Three: Use the slope equation to calculate slope.
m=4-(-1)/-12-3
m=-1/3
Hope this helped!!!