Answer: The answer is 6!
Step-by-step explanation:
Sorry. If I’m late! & Explanation? I just took the test Nd scored an 100%
Answer:
The answer is -6!
Step-by-step explanation:
I promise you, I just took the USATestprep test and this is the answer. Good luck with the rest of the test!
Find the solution(s) to the system of equations represented in the graph. (5 points)
Answer:
(0, -2) and (2, 0)
Step-by-step explanation:
The solution to a systems of equations is when the x and y values are equal for two equations. This can also been seen as when the two equations intersect. So by looking at the graph you see the line and the circle intersect at the point (2, 0) and (0, -2) which are going to be the two solutions to the systems of equations.
A bird sits on the branch of a tree, then starts to fly. The height of the bird is described by the function. y=0.6sin(pix/12)+35 where y represents the height of the bird measured in meters, and x represents the number of seconds since the bird left the branch.
Which function expresses y, the number of seconds since the bird left the branch, as a function of x, the height of the bird in meters?
Answer:
The answer is letter A
Step-by-step explanation:
Classify this triangle.
Acute scalene triangle
Obtuse isosceles triangle
Right isosceles triangle
Right scalene triangle
Answer: right isosceles
Step-by-step explanation:
the angle at the bottom is right therefore you need to figure out the lengths of the sides to conclude if it is isosceles or scalene. because two of the sides are the same length and the other is not it is isosceles
Simplify the equation, |2 X 3| + 3(|3+2|) X (16 + 2)2
Answer:
546
Step-by-step explanation:
|2x3|+3(|3+2|)×(16+2)2
6+3×5×18×2
6+540
546
Can I please get some help I’ve been stuck on this question for a while!
Using the radius of the Ferris wheel and the angle between the two positions, the time spent on the ride when they're 28 meters above the ground is 12 minutes
How many minutes of the ride are spent higher than 28 meters above the ground?The radius of the Ferris wheel is 30 / 2 = 15 meters.
The highest point on the Ferris wheel is 15 + 4 = 19 meters above the ground.
The time spent higher than 28 meters is the time spent between the 12 o'clock and 8 o'clock positions.
The angle between these two positions is 180 degrees.
The time spent at each position is 10 minutes / 360 degrees * 180 degrees = 6 minutes.
Therefore, the total time spent higher than 28 meters is 6 minutes * 2 = 12 minutes.
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Which equation shows the point-slope form of the line that passes through (3, 2) and has a slope of y plus StartFraction one-half EndFraction equals 3 left-parenthesis x minus 2 right-parenthesis.?
y + 2 =y plus 2 equals StartFraction one-third EndFraction left-parenthesis x plus 3 right-parenthesis.(x + 3)
y – 2 = y minus 2 equals StartFraction one-third EndFraction left-parenthesis x minus 3 right-parenthesis.(x – 3)
y + 3 = y plus 3 equals StartFraction one-third EndFraction left-parenthesis x plus 2 right-parenthesis.(x + 2)
y – 3 = y plus StartFraction one-half EndFraction equals 2 left-parenthesis x minus 3 right-parenthesis.(x – 2)
The equation that shows the point-slope form of the line passing through (3, 2) with a slope of (1/2) is:
y - 2 = (1/2)(x - 3)
In the point-slope form of a linear equation, the formula is y - y1 = m(x - x1), where (x1, y1) represents a point on the line, and m represents the slope of the line. By substituting the given values into the formula, we can determine the correct equation.
In this case, the given point is (3, 2) and the slope is (1/2). Plugging these values into the formula, we get:
y - 2 = (1/2)(x - 3)
This equation represents the line passing through the point (3, 2) with a slope of (1/2). It is in the point-slope form, which allows us to easily determine the equation of a line based on a given point and slope.
Therefore, the correct equation is y - 2 = (1/2)(x - 3).
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Answer: B
Step-by-step explanation:
what are the coordinates of the vertices of equadrilateral ABCD? use the coordinates to find the lengths of DA
The coordinates of vertices are following as A (-5,-4), B (1,4), C (4,0), and D (1,-4). The length of DA is 9 units.
What is the quadrilateral?A quadrilateral is a polygon with four equal sides. (This also implies that a quadrilateral has four vertices and four angles.)
The quadrilateral ABCD is given in the question as shown.
The coordinates of vertice A are (-5,-4).
The coordinates of vertice B are (1,4).
The coordinates of vertice C are (4,0).
The coordinates of vertice D are (1,-4).
So, the lengths of DA = √(-5 - 4)² + (-4-(-4))² = 9 units.
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The missing figure has been attached below.
The figure above is a solid shape. Each small cube in the figure is a unit cube. What's the volume of the entire shape?
A. 32 square units
B. 1 cubic unit
C. 16 cubic units
D. 32 cubic units
The volume of the entire shape, given that the figure is a solid shape, and the unit cubes, is d. 32 cubic units.
How to find the volume?The volume for the shape can be found by the formula:
= Length Width x Height
Each small cube is a unit cube which means that the measurements of the dimensions are:
Length = 4 units because there are 4 unit cubs along the length
Width = 4 units for the same reason
Height = 2 units because there are 2 unit cubes needed to get the height
The volume would therefore be:
= 4 x 4 x 2
= 32 cube units
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“Tom needs to order some hamburgers for his colleagues. Each hamburger costs $2.00, and the delivery fee is a flat $5.00 no matter how many hamburgers he orders. If Tom's order came to a total of $25, how many hamburgers did he order?”
Answer:
10
There is no explanation I used a calculator
solve for x 4(x + 2) + 6 = 26
Answer:
Step-by-step explanation:
4(x+2)+6=26
First: substract 6 from both sides, like this:
4(x+2)+6=26
-6 -6
Then when you do this subtract something from both sides you cross one out, cross the one out that looks the same, so the 6 and 6 you canceled them out, no you just subtract 6 from 26, like this:
4(x+2)+6=26
-6 -6
———————
4(x+2)=20
Now you distribute the 4 to the x and the 2, it is just multiplication, so it would be 4 times x and then 4 times 2 and you would get this:
4x+8=20
No you just have a simple equation, what you do is subtract 8 from both sides, cross out the two 8’s on the left side of the equal sign, and then substract 8 from 20:
So then you would get:
4x=12
Next you would just dive by 4 on both sides, like this:
4x/4 = 12/4
Next you would cross out the 4’s on the left side of the equal sign because they cancel out and now you are just left with:
X= 12/4 or 3
On a coordinate plane, a point is 4 units to the left and 1 unit down.
For the point shown:
The x-coordinate is
.
The y-coordinate is
.
The point is in quadrant
.
.
The point has an x-coordinate of -4 and a y-coorindate of -1, and it is on the third quadrant.
In which quadrant is the point?First, remember that for a point (x, y):
if x >0, y > 0, then the point is in quadrant I.if x <0, y > 0, then the point is in quadrant II.if x < 0, y < 0, then the point is in quadrant III.if x >0, y < 0, then the point is in quadrant IV.For the point that is 4 units to the lefft and 1 unit down (of the origin) it is written as:
(-4, -1)
Then we can see that this point is on the quadrant III.
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5-x=3
Work out the value of 3x^2
Answer:
12
Step-by-step explanation:
\(5 - x = 3 \\ \\ 5 - 3 = x \\ \\ 2 = x \\ \\ x = 2 \\ \\ 3 {x}^{2} = 3 {(2)}^{2} = 3 \times 4 = 12\)
Tamika has $800 to spend at a bicycle store for some new gear and biking outfits. Assume all prices listed include tax.
She buys a new bicycle for $482.62.
She buys 3 bicycle reflectors for $10.84 each and a pair of bike gloves for $24.49.
She plans to spend some or all of the money she has left to buy new biking outfits for $52.93 each.
Which inequality can be used to determine o, the maximum number of outfits Tamika can purchase while staying within her budget?
The inequality that can be used to determine x, the number of outfits Tamika can purchase is; 539.63+ 52.93x ≤ 800
The given parameters are:
Budget = $800
New bicycle = $482.62
3 bicycle reflectors = $10.84 each
Pair of a bike gloves = $24.49.
New biking outfits = $52.93each.
Let the number of new biking outfits be x So, we have;
New bicycle + 3 . price of bicycle reflectors + Pair of a bike gloves + New biking outfits <= Budget
This gives;
482.62 + 3( 10.84) + 24.49+ 52.93x ≤ 800
This gives;
539.63+ 52.93x ≤ 800
Solve the inequality;
52.93x ≤ 260.37
Divide by 52.93
x ≤ 4.91
Hence, the inequality is 539.63+ 52.93x ≤ 800
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What is the value of x?
Answer:x=31
not sure
Step-by-step explanation:
If you draw a card from a standard deck of 52 playing cards, what is the probability that it is a heart or a diamond?
Answer:
1/2
Step-by-step explanation:
In a deck of cards, there are 13 hearts and 13 diamonds
13+13 = 26 hearts or diamonds
P( hearts or diamonds) = numbers of hearts or diamonds / total
=26/52
= 1/2
Select all of the statements that are true for the given function.
A.The function is concave down on (negative infinity, 3)
B. The function is concave up on (negative infinity, 3)
C.The function is concave up on (3, infinity)
D.There is a maximum value at (4, 0)
E. There is a minimum value at (4, 0)
F.The function is decreasing on (3,4)
G. The function is decreasing on (negative infinity, 1)
H. The function is Increasing on (negative infinity, -1)
The statements that are true about the function are
A. The function is concave down for the interval (-∞, 3)
B. The function has a maximum value at (4, 0)
F. The function is decreasing on the interval (3, 4)
G. The function is decreasing on the interval (-∞, 1)
How to find the statements that are true for the function.From the graph, we seee that the function is concave down for the interval (-∞, 3)From the graph, we see that the function has a maximum value at (4, 0) since the tangent at that point is zero and it is concave down.From the graph, we see that the function is negative on the interval (3, 4) . So, the function is decreasing on the interval (3, 4)From the graph, we see that the function is negative for x < 1. So, the function is decreasing on the interval (-∞, 1)So, the statements that are true about the function are
A. The function is concave down for the interval (-∞, 3)
B. The function has a maximum value at (4, 0)
F. The function is decreasing on the interval (3, 4)
G. The function is decreasing on the interval (-∞, 1)
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Write a polynomial f(x) that satisfies the given conditions. Polynomial of lowest degree with zeros of -2 (multiplicity 3), 3 (multiplicity 1), and with f(0) = 120.
Answer:
Step-by-step explanation:
Polynomial f(x) has the following conditions: zeros of -2 (multiplicity 3), 3 (multiplicity 1), and with f(0) = 120.
The first part zeros of -2 means (x+2) and multiplicity 3 means (x+2)^3.
The second part zeros of 3 means (x-3) and multiplicity 1 means (x-3).
The third part f(0) = 120 means substituting x=0 into (x+2)^3*(x-3)*k =120
(0+2)^3*(0-3)*k = 120
-24k = 120
k = -5
Combining all three conditions, f(x)
= -5(x+2)^3*(x-3)
= -5(x^3 + 3*2*x^2 + 3*2*2*x + 2^3)(x-3)
= -5(x^4 + 6x^3 + 12x^2 + 8x - 3x^3 - 18x^2 - 36x - 24)
= -5(x^4 + 3x^3 - 6x^2 - 28x -24)
= -5x^4 - 15x^3 + 30x^2 + 140x + 120
In the quadrilateral below, angles DAB and BCD are the same size. What is the size of angle DAB? A D 226° 38° B
The size of angle DAB in the quadrilateral is 48°.
How to find the size of angle DAB?The sum of the interior angles of a quadrilateral is 360°. We can say:
\(\angle \text{A} +\angle\text{B} + \angle\text{C} + \angle\text{D} = 360^\circ\)
\(\angle \text{A} +38^\circ + \angle\text{C} + 226^\circ = 360^\circ\)
\(\angle \text{A} + \angle\text{C} + 264^\circ = 360^\circ\)
\(\angle \text{A} + \angle\text{C} = 360^\circ- 264^\circ\)
\(\angle \text{A} + \angle\text{C} = 96\)
Since angles DAB and BCD are the same size. This implies ∠A = ∠C. Thus:
\(\angle\text{A} + \angle\text{A} = 96\)
\(2\angle\text{A} = 96\)
\(\angle\text{A} = \dfrac{96}{2}\)
\(\angle\text{A} = 48^\circ\)
Therefore, the size of angle DAB is 48°.
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Recently, a nurse commented that when a patient calls the medical advice line claiming to have the flu, the chance that he or she truly has the flu (and not just a nasty cold) is only about 4%. Of the next 25 patients calling in claiming to have the flu, we are interested in how many actually have the flu.
Find the probability that at least four actually have the flu. Use your required calculator (2nd vars) to get your answer. State keystrokes used and provide final answer.
Find the probability that more than twenty actually have the flu. Use your required calculator (2nd vars) to get your answer. State keystrokes used and provide final answer.
Find the probability that less than six actually have the flu. Use your required calculator (2nd vars) to get your answer. State keystrokes used and provide final answer.
Find the probability that exactly ten actually have the flu. Use your required calculator (2nd vars) to get your answer. State keystrokes used and provide final answer.
On average, for every 25 patients calling in, how many do you expect to have the flu? Show your work and provide clear final answer.
What would be considered an unusual number of patients who have the flu? Show all work and provide clear final answer.
Using probability, there is a 0.013 percent chance that at least four of the 25 patients truly have the flu.
Describe probability?Potential is described by probability. This branch of mathematics deals with the occurrence of a random event. The value's range is 0 to 1.
Probability has been applied into mathematics to predict the likelihood of different events. Probability generally refers to the degree to which something is likely to occur.
The likelihood P(X 4).
According to De Morgan's Law, this equals 1-P(X4).
If we total the x=0, 1, 2, and 3 numbers from our PMF, then x=4 P(4) = 0.013
Hence, there is a 0.013 percent chance that at least four of the 25 individuals genuinely have the flu.
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Which number line represents the solutions to |–2x| = 4?
(I want a clear explanation)
Answer:
third option
Step-by-step explanation:
| - 2x | = 4
the absolute value function always gives a positive value, however, the expression inside can be positive or negative , that is
- 2x = 4 ( divide both sides by - 2 )
x = - 2
or
- (- 2x) = 4
2x = 4 ( divide both sides by 2 )
x = 2
solutions are x = - 2 , x = 2
these are illustrated on the number line by solid circles at - 2 and 2
this is indicated on the third number line
Number line represents the solutions to |–2x| = 4 is third number line (x1 = -2, x2= 2).
Solving steps :
1. Calculate
Calculate the absolute value.
|-2x| = 4
Use |ab| = |a| * |b| to transform the expression.
|-2x|
|-2| * |x|
The absolute value of any number is always positive.
2 * |x|
We did it!
|-2x| = 4
2 * |x| = 4
2. Divide both sides
Divide both sides of the equation by 2.
2 * |x| = 4
2 * |x| ÷ 2 = 4 ÷ 2
Any expression divided by itself equals 1.
|x| = 4 ÷ 2
Calculate the quotient.
|x| = 2
3. Separate into possible cases
Use the absolute value definition to rewrite the absolute value equation as two separate equations.
|x| = 2
x = 2
x = -2
4. The equation has 2 solutions.
x1 = -2, x2= 2
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I need help with this please hurry asap due right now in 10 minutes!!! p.s x is not multiplying.
Answer:
31.80
Step-by-step explanation:
20.53
× 1.55=
31.82
-.02
32.80
solve the following inequality for z. write your answer in simplest form. -9-(2z-7)>-2z-6-5z
Answer:
z > -4/5
Step-by-step explanation:
-9 - (2z - 7) > -2z - 6 - 5z
Get rid of the parenthesis
*There is the number one in front of the parenthesis.-9 - 2z + 7 > -2z - 6 - 5z
Combine like terms:
-2 - 2z > -7z - 6
+2 > +2
Add 2 to both sides.
-2z > -7z - 4
+7z > +7z
Add 7 to both sides.
5z > -4
Divide both sides by 5 to get z.
z > -4/5
The sign stays the same unless you divide by a negative number---------------------------------
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Hope this helps! :)
Please help me I don’t understand and I will mark brainlyest
h ≥ 4 3/4 ft tall because they are tall enough and they can be taller to ride
Opal plots point D at (Negative 3 and one-half, one-half). Which graph shows the location of point D? On a coordinate plane, point D is 3 .5 units to the right and 0.5 units up. On a coordinate plane, point D is 3.5 units to the left and 0.5 units up. On a coordinate plane, point D is 0.5 units to the right and 3.5 units down. On a coordinate plane, point D is 0.5 units to the left and 3.5 units up.
Answer:
b
Step-by-step explanation:
Answer:
The answer is BStep-by-step explanation:
please give me brainliest :D3 6 9 12 15 18 21 24 27 30 is odd or even numbers?
Answer: Half of them are even and half of them are odd.
Step-by-step explanation:
The even numbers are 6, 12, 18, 24, and 30. An even number is defined as a number that is divisible by 2, meaning it has no remainder when divided by 2. For example, 6 divided by 2 equals 3 with no remainder, so 6 is even.
The odd numbers are 3, 9, 15, 21, and 27. An odd number is defined as a number that is not divisible by 2, meaning it has a remainder of 1 when divided by 2. For example, 9 divided by 2 equals 4 with a remainder of 1, so 9 is odd.
Therefore, out of the given numbers, half of them are even and half of them are odd.
________________________________________________________
Write a quadratic function in standard form that passes through (-3,0),(8,0), and (-2,10).
To write a quadratic function in standard form that passes through the points (-3,0), (8,0), and (-2,10), we can start by using the point-intercept form of a quadratic function:
According to the given data:y = a(x - h)^2 + k
where (h,k) is the vertex of the parabola and a is a scaling factor. Since the parabola passes through the points (-3,0) and (8,0), we can write:
0 = a(-3 - h)²+ k
0 = a(8 - h)² + k
Simplifying these equations, we get:
9a + k = 0
64a + k = 0
Solving for k in terms of a, we get:
k = -9a
k = -64a
Setting these two expressions equal to each other, we get:
-9a = -64a
Solving for a, we get:
a = 0
This means that the parabola is a horizontal line, and the vertex is halfway between the x-coordinates of the two given points on the y-axis, which is (-1.5,0). Therefore, the equation of the parabola is:
y = a(x - h)² + k
y = 0(x + 1.5)² + 0
Simplifying this equation, we get:
y = 0
Therefore, the quadratic function in standard form that passes through the points (-3,0), (8,0), and (-2,10) is:
y = 0x²+ 0x + 0
or simply
y = 0
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Evaluate y = 4x - 1 when x = 10.
Answer:
y = 39
when x = 10
Explanation:
Given the equation:
y = 4x - 1
When x = 10, we have:
y = 4(10) - 1
= 40 - 1
= 39
Problem 3
Draw the pictures to compute 1 ÷ 11 in a base ten system, and show the answer is 0.09.
The result of 1/11 in the base 10 system is given as is 0.09.
How to solveTo visualize the long division of 1 ÷ 11 in a base ten system:
Set up the long division: 11 outside and 1.00 inside the division bracket.
Place the decimal point in the quotient above the dividend's decimal point.
Bring down the first digit (0) and divide 11 into 10; it goes 0 times.
Subtract the product (0) from 10, leaving 10.
Bring down the next digit (0) and divide 11 into 100; it goes 9 times.
Subtract 99 from 100, leaving a remainder of 1.
The result is 0.09.
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What is the sec 132 degrees 15 minutes in degrees
The sec 132 degrees 15 minutes in degrees is approximately -1.638 degrees.
What is the sec function?The secant function, denoted as sec(x), is a trigonometric function that is defined as the reciprocal of the cosine function, cos(x).
In other words,
sec(x) = 1 / cos(x)
The secant function is defined for all values of x except for those where the cosine function is equal to zero, which corresponds to the values x = (2n+1)π/2 where n is an integer. At these points, the secant function is undefined.
According to the given informationTo convert sec(132 degrees 15 minutes) to degrees, we first need to convert the angle to decimal degrees.
We know that 1 degree is equal to 60 minutes, so 15 minutes is equal to 15/60 = 0.25 degrees.
Therefore, the angle 132 degrees 15 minutes is equal to 132 + 0.25 = 132.25 degrees.
Now we can find the secant of this angle:
sec(132.25 degrees) = 1/cos(132.25 degrees) ≈ -1.638
So the answer is approximately -1.638 degrees.
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Use a calculator to graph f(x) = 2x ^ 3 - 6x ^ 2 - 4x + 1 Which are the approximate x-values of the local maximum and local minimum rounded to the nearest tenth?
A) max ≈ -15.6 , min ≈ 1.6
B) max ≈ 1.6 , min ≈ -15.6
C) max ≈ 2.3 , min ≈ -0.3
D) max ≈ -0.3 , min ≈ 2.3
The approximate x-values for the local maximum and the local minimum are given as follows:
D) max ≈ -0.3 , min ≈ 2.3.
What are the relative minimums and the relative maximums of a function?The relative minimums of a function are given by the points in which the function's behavior changes from decreasing to increasing.The relative maximums of a function, meanwhile, are given by the points in which the function's behavior changes from increasing to decreasing.Hence the critical points of the graphed function are given as follows:
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