Answer:
C
Step-by-step explanation:
Answer:
C.
Step-by-step explanation:
Consider the numerator;
When (x - 3)(x - 4) = 0
x = 3 or x = 4.
When x > 3 and < 4 (x - 3)(x- 4) will be negative and the denominator (x - 5(x + 6)^2 will be negative so the function will be positive.
So 3 < x < 4 is a part of the answer.
When x > 5 the denominator will be positive and so will be the numerator.
So x > 5 also is a solution.
When x < 3 the numerator will be positive and the denominator will be negative so the function will be negative.
Which description is correct for the polynomial −5x2−3x+3 ?
quartic binomial
quadratic binomial
quadratic trinomial
cubic binomial
The correct description for the polynomial [tex]-5x^{2} -3x+3[/tex] is quadratic trinomial.
Explanation:
Option a: Quartic binomial
A polynomial with degree 4 is said to be quartic polynomial. Also, if the polynomial contains two terms then it is binomial.
Hence, the polynomial [tex]-5x^{2} -3x+3[/tex] is not quartic binomial.
Option b: Quadratic binomial
A polynomial with degree 2 is said to be quadratic polynomial. Also, if the polynomial contains two terms then it is binomial.
Hence, the polynomial [tex]-5x^{2} -3x+3[/tex] is not quadratic binomial.
Option c: Quadratic trinomial
A polynomial with degree 2 is said to be quadratic polynomial. Also, if the polynomial contains three terms then it is binomial.
Hence, the polynomial [tex]-5x^{2} -3x+3[/tex] is a quadratic trinomial.
Option d: Cubic binomial
A polynomial with degree 3 is said to be cubic polynomial. Also, if the polynomial contains two terms then it is binomial.
Hence, the polynomial [tex]-5x^{2} -3x+3[/tex] is a cubic binomial.
Thus, the polynomial [tex]-5x^{2} -3x+3[/tex] is quadratic trinomial.
Answer:
quadratic trinomial
Step-by-step explanation:
What is the equation of the line that passes through the point (-4, -3) and has a slope of 5?
y = 5x - 17
y = 5x - 11
y = 5x + 11
y = 5x + 17
Answer:
y = 5x + 17
Last choice
Step-by-step explanation:
The equation for a line can be written in the form y = mx + b. (This is called slope-intercept form).
"x" and "y" mean points on the line.
"m" means the slope of the line, which is how steep the line is.
"b" means the y-intercept, which is when the line hits the y-axis.
To write an equation in slope-intercept form, we need the slope and y-intercept.
We know the slope needs to be 5.
m = 5
We know one point on the line, (-4, -3). Points are written (x, y), so:
x = -4
y = -3
Substitute the numbers we know for "m", "x" and "y" into the equation for a line. Then, we can isolate 'b' to know what it equals.
y = mx + b
-3 = (5)(-4) + b Multiply to simplify
-3 = -20 + b Start isolating 'b'
-3 + 20 = -20 + 20 + b Add 20 to both sides to cancel out on the right.
-3 + 20 = b Solve the left side.
17 = b Answer
b = 17 Put variable on left side for standard formatting
Now that we know m = 5 and b = 17, rewrite the equation in the form y = mx + b.
y = 5x + 17
Evaluate each expression if d = 12 and e = 1/3 2d-5
Answer:
19
Step-by-step explanation:
Plug it in
which of the following is a correct interpretation of the expression -4 - (-7)
Answer:
The answer is 3
Step-by-step explanation:
i) -4 - (-7) = -4 + 7 = 7 - 4 = 3 .... since (minus) [tex]\times[/tex] (minus) = plus
4. Emily bought 3 shirts for $12.50 each and a pair of shorts for $20. She had a coupon for $3 off
her purchase, before sales tax. Sales tax is 6%. How much did Emily pay for the clothes after the
coupon and sales tax?
Answer: $57.77
Step-by-step explanation:
3 x 12.50 = 37.5 + 20 = 57.5
57.5- 3 = 54.5
54.5 x .06 = 3.27
54.5 + 3.27 = $57.77 is the answer
What is the exact value of cos (67.5° )?
The exact value of cos(67.5°) is found using half-angle identities in trigonometry, which leads to the solution √(2 - √2)/2.
Explanation:To find the exact value of cos (67.5°), we can use the half-angle identity for cosine which states that cos(θ/2) = ± √ ((1+cosθ)/2). In this case, to find the cosine of 67.5 degrees, we effectively need to calculate the half-angle of 135 degrees.
Thus, cos(67.5°) = cos(135°/2) = √ ((1+cos135°)/2) = √ ((1 - √2/2)/2). This further simplifies to √(2 - √2)/2.
This is because the cosine of 135 degrees equals -√2/2 (as it's in the second quadrant where cosine is negative).
Therefore, the exact value of cos(67.5°) is √(2 - √2)/2.
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Find the distance between the points with the given coordinates (-4, 9) and (1, -3).
Answer: 13
Step-by-step explanation:
The formula for finding distance between two points is given by :
D = [tex]\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}[/tex]
[tex]x_{1}[/tex] = -4
[tex]x_{2}[/tex] = 1
[tex]y_{1}[/tex] = 9
[tex]y_{2}[/tex] = -3
Substituting the values into the formula , we have :
D = [tex]\sqrt{(1 -(-4))^{2} +(-3-9)^{2}}[/tex]
D = [tex]\sqrt{(5)^{2}+(-12)^{2}}[/tex]
D = [tex]\sqrt{25+144}[/tex]
D = [tex]\sqrt{169}[/tex]
D = 13
Therefore : the distance between the points is 13
Convert the decimal to a fraction.
0.6 repeating
331/3% as a fraction
Complete the following equation: a2 = b2 + c2 - ______.
2 bc cos A
2 ca cos B
2 ab cos C
none of the above
Answer:
2 bc cos A
Step-by-step explanation:
Cosine rule
The missing part of the equation is 2bc cos A. This equation is a form of the Law of Cosines from trigonometry, which provides a relationship between the lengths of the sides of a triangle and one of its angles.
Explanation:The equation presented is a variant of the Law of Cosines in trigonometry. To complete the equation accurately, we need to choose the right trigonometric relationship between sides a, b, c, and one of the angles. The correct completion of the equation is 2bc cos A.
The Law of Cosines can be stated in three different ways depending on the specific circumstances:
a² = b² + c² - 2bc cos Ab² = a² + c² - 2ac cos Bc² = a² + b² - 2ab cos CLearn more about Law of Cosines here:https://brainly.com/question/32188599
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what is the fraction of 66.7%
The area of a rectangle is 17 1/2 in and it’s shorter side is 3 1/2in.draw a diagram that shows this information. What is the length of the longer side
Answer: 5
Step-by-step explanation:
17 1/2 is equal to 17.5
3 1/2 is equal to 3.5
Since 17.5 is the area, you must divide by 3.5, which equals 5
To find the length of the longer side of a rectangle with an area of 17 1/2 square inches and a shorter side of 3 1/2 inches, divide the area by the width to get the length. The length of the longer side is 5 inches.
Explanation:The question is asking how to find the length of the longer side of a rectangle given that the area of the rectangle is 17 1/2 square inches and one of the shorter sides is 3 1/2 inches. To find the length of the other side, which we will call length, use the formula for the area of a rectangle which is area = length × width. Since the area and width (shorter side) are known, the equation can be set up as follows:
17 1/2 = length × 3 1/2To find the length, divide the area by the width:Length = (17 1/2) / (3 1/2)Convert mixed numbers to improper fractions:Length = (35/2) / (7/2)Multiply by the reciprocal of the divisor:Length = (35/2) × (2/7)Simplify the fractions:Length = 5Therefore, the length of the longer side of the rectangle is 5 inches.
Use the formula d=rt to find the average speed of a car if the car traveled 320 miles in 8 hours.
Answer:
320 miles = (8 hours)(r)
r = 40 mph
What is the simplified expression for 6 (2 (y + x))?
6 y + 12 x
12 y + 12 x
12 y + 8 x
8 y + 8 x
Step-by-step explanation:
6(2(y+x))=6(2x+2y)=12x+12y
Answer:
12y + 12x
Step-by-step explanation:
You're welcome.
79 percent of 145 is what?
Identify the property and equation that satisfies the following statement: The solution of an equation is x = –2. Addition Property of Equality; x + 6 = 8 Substitution Property of Equality; x + 8 = 6 Division Property of Equality; x + 8 = 6 Subtraction Property of Equality; x + 6 = 8
Answer: identity is subtraction property of equality equation is x + 8 = 6
Substitution Property of Equality; x + 8 = 6
Take the equation x + 8 = 6. subtract 8 from both sides using the subtraction property of equality x + 8 - 8 = 6 - 8 simplify x + 0 = -2 x = -2
The Addition Property of Equality and the equation x + 6 = 8 are the property and equation that satisfy the statement 'The solution of an equation is x = –2'. This is because when you subtract 6 from both sides of the equation, x equals -2.
Explanation:To find the property and equation that fits the statement 'The solution of an equation is x = –2', we need to understand the basic properties of equality and apply those in this context.
Following the statement, it seems that the Addition Property of Equality fits the best here. The Addition Property of Equality states that when we add the same number to both sides of an equation, the equation remains balanced and the solution is the same. Now, if we think of an equation 'x + 6 = 8', and solve it using the Addition Property by subtracting 6 from both sides, we get the solution x = -2.
That means the property that satisfies the statement is Addition Property of Equality and the equation that satisfies the statement is x + 6 = 8.
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The volume of a sphere is 288pi cm^3
What is the radius of the sphere?
Answer:
radius = 6 cm
Step-by-step explanation:
The volume (V) of a sphere is calculated as
V = [tex]\frac{4}{3}[/tex] πr³ ← r is the radius
Given V = 288π, then
[tex]\frac{4}{3}[/tex] πr³ = 288π
Multiply both sides by 3 to clear the fraction
4πr³ = 864π ( divide both sides by 4π )
r³ = 216 ( take the cube root of both sides )
r = [tex]\sqrt[3]{216}[/tex] = 6
Thus the radius of the sphere is 6 cm
To find the sphere's radius from its given volume of 288pi cm^3, we use the volume formula V = (4/3) π r³ and solve for r, resulting in a radius of 6 cm.
Explanation:The student is asking for the radius of a sphere given its volume, which is 288pi cm³. To find the radius, we need to use the formula for the volume of a sphere:
V = (4/3) π r³
Where V is the volume and r is the radius. We can solve for r by rearranging the formula:
r = √[3V / (4π)]
In this case, substituting the given volume into the equation:
r = √[3(288π) / (4π)]
r = √[864π / (4π)]
r = √[216]
The radius of the sphere is 6 cm.
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what is StartFraction one-half EndFraction x is less than or equal to 18.x ≤ 18
Answer:
[tex]x\leq 36[/tex]
The solution for [tex]x[/tex] is all real numbers less that or equal to 36.
Step-by-step explanation:
Given expression:
[tex]\frac{1}{2}x\leq18[/tex]
To find the solution for [tex]x[/tex]
Solution:
In order to solve for [tex]x[/tex] , we will make sure to isolate the unknown variable [tex]x[/tex] on left side alone by doing math operations on both sides of the inequality.
We have:
[tex]\frac{1}{2}x\leq18[/tex]
Multiplying both sides by 2.
[tex]2.\frac{1}{2}x\leq18\times 2[/tex]
The 2 on left side will cancel each other leaving [tex]x[/tex] alone.
Thus, we have:
[tex]x\leq 36[/tex]
Thus, solution for [tex]x[/tex] is all real numbers less that or equal to 36.
Answer:
D
Step-by-step explanation:
-2°F ___ -6°F
=?
>?
<?
Answer:
-2 °F > -6 °F
Step-by-step explanation:
-2 is to the right of -6 on the number line, so is the greater of the two values. The temperature has to go up from -6 to get to -2. Thus, ...
-2 °F > -6 °F
A vehicle is moving in a straight line. The velocity Vms^-1 at time t seconds after the vehicle starts is given by V = A (t− 0.05t^2) for 0 ≤ t ≤ 15. What is the value of A?
Answer:
The value of A is [tex](-\infty, 0) \cup(0, \infty)[/tex]
Step-by-step explanation:
Given:
[tex]V = A (t- 0.05t^2)[/tex]
When velocity V= 0
we have
[tex]A (t- 0.05t^2) = 0[/tex]
[tex](t- 0.05t^2) = 0[/tex]
[tex]t = 0.05t^2[/tex]
t =0 , t = [tex]\frac{1}{0.05}[/tex]
t = 0 , t = 20
So when we draw a graph,The resulting graph will be a quadratic graph.
[tex]\frac{dv}{dt} = A[1 - 0.1t][/tex]
[tex]\frac{dv}{dt} = 0[/tex]
t=10 sec
At t=10, the velocity will be
[tex]v(10) = [10 -0.05(10)^2][/tex]
[tex]v(10) = [10 -5][/tex]
[tex]v(10) = 5A[/tex]
But according to the question A is not dependent on t
So A can be any value other than zero
Answer:
Step-by-step explanation:
For which equation is y=7 a solution
A)7y= 1
B)y - 26= -19
C)y + 7 = 0
D) y/2 = 7
35 POINTS!!!! PLEASE HELP! (2.01)A polygon is shown on the graph: A polygon is shown on a coordinate plane. Vertex A is at 1 comma 5, vertex B is at 0 comma 1, vertex C is at 6 comma 1, and Vertex D is at 5 comma 5. If the polygon is translated 2 units down and 4 units left, what will the coordinates of the new image be? Use prime notation in expressing the new coordinates.
Answer:
A’ is (3,-3)
B’ is (-1,-4)
C’ is (-1,2)
D’ is (3,1)
Step-by-step explanation:
the other person gto one wrong this is what it should be
have a good day hope this helped
I have a pic to show you
In one city, there are four straight streets that form a square block. The length of each side of the block is 154 m. Find the perimeter of the square defined by this city block.
Final answer:
The perimeter of the square defined by the city block is 616 meters.
Explanation:
In order to find the perimeter of the square block, we need to know the length of each side. The question states that each side of the block is 154 m, so we can use this information to calculate the perimeter. The perimeter of a square is equal to four times the length of one side, so in this case it would be 4 * 154 m = 616 m. Therefore, the perimeter of the square defined by this city block is 616 meters.
what is x-13+2x+1=180
Answer:
64
Step-by-step explanation:
x-13+2x+1=180
3x-13+1=180
3x-12=180
3x=180+12
3x=192
x=192/3
x=64
Answer:
X=83
Step-by-step explanation:
UH TOO LAZY TO EXPLAIN. lol
A two-column proof
O uses a visual representation of the logical flow of steps needed to reach a conclusion
o contains a table with a logical series of statements and reasons that reach a conclusion
O contains a set of sentences explaining the steps needed to reach a conclusion,
O uses inductive reasoning to prove a statement.
Answer:
B contains a table with a logical series of statements and reasons that reach a conclusion.
Step-by-step explanation:
A two-column proof
uses a visual representation of the logical flow of steps needed to reach a conclusion.
contains a table with a logical series of statements and reasons that reach a conclusion.
contains a set of sentences explaining the steps needed to reach a conclusion.
uses inductive reasoning to prove a statement.
During the summer, a property owner will pay $24.72 plus $1.32 per hcf for Conservation Usage. The bill for Conservation Usage would be between or equal to $31.32 and $52.12. How many hcf can the owner use if she wants her usage to stay in the conservation range? Enter truncated values for answers. Example: Enter 8.93 as 8 and 6.34 as 6.
Answer:
The owner can use between 5 and 20 HCF to stay in the conservation range
Step-by-step explanation:
Let's calculate the number of HCF, this way:
Lower value = (31.32 - 24.72)/1.32 = 6.60/1.32 = 5
Upper value = (52.12 - 24.72)/1.32 = 27.4/1.32 = 20.76 = 20 as truncated value
The owner can use between 5 and 20 HCF to stay in the conservation range
The owner can use between 5 and 20 hcf to stay within the conservation range.
Explanation:To find the range for the number of hcf the owner can use, we need to subtract the base cost from the maximum and minimum bill amounts. The base cost is $24.72, so subtracting this from the maximum bill amount of $52.12 gives us $27.40. Similarly, subtracting the base cost from the minimum bill amount of $31.32 gives us $6.60. In order to determine the maximum and minimum number of hcf, we divide these amounts by the additional cost per hcf, which is $1.32.
The maximum number of hcf would be $27.40 divided by $1.32, which is approximately 20 hcf. The minimum number of hcf would be $6.60 divided by $1.32, which is approximately 5 hcf.
Therefore, the owner can use between 5 and 20 hcf to stay within the conservation range.
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Martha wants to make four necklaces that are the same length.She asked her friends to cut the string for the necklaces 15 paper clips long. Would all the lengths be the same? Explain your answer.
Answer:
No. All the lengths will not be the same.
Step-by-step explanation:
Martha wants to make four necklaces that are the same length. She asked her friends to cut the string for the necklaces 15 paper clips long.
We are asked whether all the four lengths will be of the same length or not.
If Martha uses the paper clips to measure the lengths of the cut pieces of strings, then all the lengths will not be the same because 15 is not divisible by 4.
The lengths maybe 4, 4, 4, and 3 paper clips of lengths. (Answer)
Length of each string is 3.75 paper clips
Given that;Number of neckless = 4
Length of string = 15 paper clips
Find:Length of each string
Computation:Length of each string = Length of string / Number of neckless
Length of each string = 15 / 4
Length of each string = 3.75 paper clips
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Average snowfall for Boise
Answer:
20 inches
Step-by-step explanation:
hope this helps you
Please help!!!!!!!!!
The fraction [tex]\frac{13}{50}[/tex] is spent on federal income taxes.
Step-by-step explanation:
Given,
Combined income of parents = $20,000
Amount paid in federal income taxes = $5200
Fraction = [tex]\frac{Amount\ paid\ in\ taxes}{Combined\ income}[/tex]
Fraction spent on taxes = [tex]\frac{5200}{20000}[/tex]
Fraction spent on taxes = [tex]\frac{52}{200}[/tex]
Fraction spent on taxes = [tex]\frac{13}{50}[/tex]
The fraction [tex]\frac{13}{50}[/tex] is spent on federal income taxes.
Keywords: fraction, division
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if the circumference of one of the world's largest pizzas is 215 feet, what is its radius? Use 3.14 to approximate pi. Round to the nearest tenth.
Answer: 34.2
Step-by-step explanation: