What is the best estimate of the mean price of all the sunglasses on the rack?
What is the axis of symmetry for f(x)=2x2+8x+8
Answer: The axis of symmetry for the function f(x) is x = -2.
Step-by-step explanation: We are given to find the axis of symmetry for the following function :
[tex]f(x)=2x^2+8x+8~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)[/tex]
We know that
for a function g(x) with the form [tex]g(x)=a(x-h)^2+k,[/tex] the axis of symmetry is given by the following equation :
[tex]x-h=0~~~~\Rightarrow x=h.[/tex]
Now, from equation (i), we have
[tex]f(x)=2x^2+8x+8\\\\\Rightarrow f(x)=2(x^2+4x+4)\\\\\Rightarrow f(x)=2(x+2)^2+0.[/tex]
Therefore, the required axis of symmetry is given by
[tex]x+2=0\\\\\Rightarrow x=-2.[/tex]
Thus, the axis of symmetry for the function f(x) is x = -2.
A. 3
B. 26
C. 36
D. 51
∠ACE is formed by two secants intersecting outside of a circle. If minor arc BD = 28°, minor arc AB = 112°, and minor arc DE = 112°, what is the measure of ∠ACE? A) 14° B) 28° C) 40° D) 54°
Answer:
its 40 degrees
Step-by-step explanation:
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Blue marbles, green marbles and red marbles are in a ratio of 5 to 7 to 8 in a box. if the total number of marbles is 240, how many green marbles are in the box?
Which applies the power of a product rule to simplify (5t)^3?
Answer:
[tex]125t^{3}[/tex]
Step-by-step explanation:
The power product is given by the following formula:
[tex](ab)^{x} = a^{x}*b^{x}[/tex]
In this case, this gives us:
[tex](5t)^{3} = (5)^{3} * t^{3}[/tex]
= [tex]125*t^{3}[/tex]
= [tex]125t^{3}[/tex]
The scale of a map is 0.5 inch : 20 miles. on the map, the distance between two cities is 1.5 inches. what is that actual distance between the two cities? select one:
a. 30 miles
b. 150 miles
c. 60 miles
d. 110 miles
The product of a number (n) and 12 is 64. Which equation shows this relationship
12+n=64
64n=12
12n=64
64-n=12
The equation that shows the relationship between the number (n) and 12 being multiplied to equal 64 is 12n = 64, the correct option is C.
In this equation, the variable n represents the number we are trying to find. The equation states that when we multiply 12 and n together, the result is 64.
To solve this equation and find the value of n, we divide both sides of the equation by 12:
(12n)/12 = 64/12
n = 64/12
Which can be further simplified to:
n = 16/3
Therefore, the equation that represents the relationship between the number (n) and 12 being multiplied to equal 64 is 12n = 64.
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The scatterplot shows the depth of water in swimming pools, y, based on the days after filling, x. graph What can you conclude from the graph? Check all that apply. The depth of the water in the swimming pool decreases over time. The data are clustered. There are no outliers in the data. In general, increased time does not affect the depth of the water in the swimming pool.
1) The data is clustered
2) Increased time does not affect the depth of the water.
A scatterplot is a kind of graph in which each point on the graph represents an observation and values for two variables are shown using Cartesian coordinates. Generally, the dependent variable is represented by the y-axis, and the independent variable by the x-axis. Relationships, trends, patterns, and outliers between the variables can be found using scatterplots.
They can demonstrate, for instance, if a correlation is positive, negative, or absent. One can draw conclusions about the potential relationship between the two variables by looking at the point distribution.
Answer:
1) The depth of the water in the swimming pool decreases over time.
2)The data are clustered.
3)There are no outliers in the data.
Step-by-step explanation:
what crime is illigal but you cant get arrested for
Tom ordered a jacket at $70, a shirt at $30, and slacks at $38. If sales tax is 6% and the shipping and handling is $10.75, what is the total amount of his order?
Question options:
$157.03
$146.28
$87.03
$55.95
Randy ordered 3 T-shirts for $25.67 each and one skirt for $23.55 and an 8% tax. What is the total cost of the order?
Question options:
$108.60
$77.01
$66.03
$100.56
The total amount of his order is $157.03.
The total amount of the order is the sum of the items bought, the tax paid an the cost of shipping and handling .
Total cost of the order = cost of the items bought + tax paid + shipping and handling
Total cost of the items bought = cost of jacket + slacks + shirt
$70 + $30 + $38 = $138
Tax paid = 6% x $138 = $8.28
Shipping and handling = $10.75
Total cost = $138 + $8.28 + $10.75 = $157.03
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A bowl contains 24 marbles consisting of 6 white marbles, 8 blue marbles, 7 black marbles, 3 red marbles. What is the probability of drawing a red marble?
a. 6/24B.5/25C.1/8D.7/8
If the ratio of the radii of two spheres is 8:9, what is the ratio of the volumes of the two speheres
Angles α and β are the two acute angles in a right triangle. Use the relationship between sine and cosine to find the value of α if α < β. sin(2x − 8) = cos(6x − 6)
A field goal post in football is 3.33 yards above the ground. If a football player kicks the ball at a 10 degree square angle in a straight line toward the goal post what is the distance away in yards where the ball barely goes over the goal post
Help with algebra 2 please!!!!!!!
50 Points and will mark Brainiest.
Draw four different triangles with the following two side lengths (you decide the length of side c). Be sure to label the sides and their lengths.
Side a = 2 cm
Side b = 5 cm
Look at the triangles you created. What do you notice about the different lengths of line c?
Write an inequality that shows the possible lengths for line c (the triangle inequality theorem will help you):
Answer:
As we can observe from the drawing that with increasing length of side C the angle C also increases.
What is the range of the function y= cot(x)?
A. all real numbers
B. all real numbers except pi/2 + n(pi), where n is any integer
C. all real numbers except n(pi)/2, where n is any integer
D. all real numbers except n(pi), where n is any integer
Answer:
all real numbers
Step-by-step explanation:
Given : y = cot(x)
To Find: Range.
Solution:
Refer the attached graph.
The domain of the function [tex]y=cot(x)=\frac{cos(x)}{sin(x)}[/tex] is all real numbers except the values where sin(x) is equal to 0 , that is, the values πn for all integers n .
The range of the function is all real numbers.
Referring the graph we can say that the range of the given function y = cot(x) is all real numbers .
Hence Option A is correct.
Given that the two triangles shown are congruent, explain one way to verify that the corresponding angles of the two triangles are congruent.
A) reflect triangle 1 across the y-axis
B) reflect triangle 2 across the y-axis
C) rotate triangle 2 counter-clockwise 90° about the origin
D) reflect triangle 2 across the y axis and rotate 90° about the origin at
Answer:
The correct option is C.
Step-by-step explanation:
From the given graph it is noticed that the vertices of triangle 1 are P'(-2,2), Q'(-4,4) and R'(-2,4). The vertices of triangle 2 are P(2,2), Q(4,4) and R(4,2).
If a figure rotated counter-clockwise 90° about the origin, then
[tex](x,y)\rightarrow (-y,x)[/tex]
If we rotate triangle 2 counter-clockwise 90° about the origin, then[
[tex]P(2,2)\rightarrow P'(-2,2)[/tex]
[tex]Q(4,4)\rightarrow Q'(-4,4)[/tex]
[tex]R(4,2)\rightarrow R'(-2,4)[/tex]
If we rotate triangle 2 counterclockwise, then we get the triangle 1.
Therefore the correct option is C.
f(x)=3 cos (2x-pi) -1
HELP PLS!!
A pet store has 12 puppies, including 3 poodles, 5 terriers, and 4 retrievers. if rebecka and aaron, in that order, each select one puppy at random without replacement, find the probability that aaron selects a retriever, given that rebecka selects a poodle.
The probability that Aaron will select a retriever given that Rebecka has selected a poodle is 4/11.
To calculate the probability that Aaron selects a retriever given that Rebecka selects a poodle, we will use the concept of conditional probability. The total number of puppies is 12, and the number of poodle puppies is 3.
When Rebecka selects a poodle, one puppy is removed from the total, leaving 11 puppies, including the same 4 retrievers (since she did not pick a retriever).
The probability that Aaron picks a retriever given Rebecka has picked a poodle is:
P(Aaron picks a retriever | Rebecka picks a poodle) = P(Rebecka picks a poodle and Aaron picks a retriever) / P(Rebecka picks a poodle)
Since Rebecka has already picked a poodle, we focus only on the event where Aaron picks a retriever. So the probability becomes:
P(Aaron picks a retriever | Rebecka picks a poodle) = Number of retrievers left / Total number of puppies left
= 4 retrievers / 11 total puppies
= 4/11
Factor this trinomial completely.
–6x2 + 26x + 20
A. –6x2 + 26x + 20
–2(3x2 – 13x – 10)
–2(3x + 2)(x – 5)
B. –6x2 + 26x + 20
–2(3x2 + 11x + 10)
–2(3x + 5)(x + 2)
C. –6x2 + 26x + 20
–2(3x2 – 13x – 10)
–2(3x – 10)(x + 1)
D. –6x2 + 26x + 20
–2(3x2 – 13x + 10)
–2(3x – 5)(x – 2)
First, factor out -2 from the trinomial, and then factor the resulting quadratic expression by grouping. The correct factored form is -2(3x + 2)(x - 5).
To factor the trinomial “6x² + 26x + 20 completely, follow these steps:
First, factor out the greatest common factor, which is -2:Therefore, the correct factored form is (Option A) “2(3x + 2)(x – 5).
What is the value of x?
a. 6
b. 6√3
c. 12
d. 12√3
HELPP ILL GIVE MAD POINT PLEASE
The population of a city is 578,992. The land area of the city is 67.2 mi². What is the population density of the city? Enter your answer in the box. Round your answer to the nearest whole number.
Just took the K12 test and the correct answer is 8616 people/mi²
(please give the other person brainliest-thanks!!!)
I NEED HELP CAN SOMEONE HELP ME GET THIS?? ILL GIVE POINTS!!
Answer:
[tex]a^{9}b^{6}[/tex]
Step-by-step explanation:
solve for A
R=x(A+B)
To solve the equation R=x(A+B) for A, divide both sides by x to get R/x = A+B. Then, subtract B from both sides to isolate A. The final equation is A = R/x - B.
Explanation:The goal is to solve for A in the equation R=x(A+B). It's a simple problem of algebraic manipulation. Here's how to do it step by step:
First, divide both sides of the equation by x to isolate the term (A+B). This gives R/x = A+B.Next, subtract B from both sides of the newly formed equation to isolate A on one side. This gives us A = R/x - B.And there you have it! The value of A in terms of R, x, and B is A = R/x - B.
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Which correctly describes a cross section of the right rectangular prism if the base is a rectangle measuring 15 inches by 8 inches? Check all that apply.
-
A cross section parallel to the base is a rectangle measuring 15 inches by 8 inches.
A cross section parallel to the base is a rectangle measuring 15 inches by 6 inches.
A cross section perpendicular to the base through the midpoints of the 8-inch sides is a rectangle measuring 6 inches by 15 inches.
A cross section perpendicular to the base through the midpoints of the 8-inch sides is a rectangle measuring 4 inches by 15 inches.
A cross section not parallel to the base that passes through opposite 6-inch edges is a rectangle measuring 6 inches by greater than 15 inches.
Answer:
A cross-section parallel to the base is a rectangle measuring 15 inches by 8 inches.
A cross-section perpendicular to the base through the midpoints of the 8-inch sides is a rectangle measuring 6 inches by 15 inches.
A cross-section not parallel to the base that passes through opposite 6-inch edges is a rectangle measuring 6 inches by greater than 15 inches.
the cross sections that are parallel and perpendicular will have the same measurements as the non-intersected sides. the last one will be a diagonal so the intersected edge is 6 and it creates a right triangle so it must be larger than 15 inches.
Step-by-step explanation:
Troy has a box of 600 tiny blocks. Each block is a cube with dimensions of 1 cm x 1cm x 1cm. The blocks are arranged in the box in rows and layers so that there are no gaps. Which could be the dimensions of the box?
a. 5 cm x 10 cm x 12 cm
b. 5 cm x 10 cm x 10 cm
c. 10 cm x 10 cm x 12 cm
d. 200 cm x 200 cm x 200 cm
amanda is shipping a package, which is in the shape of a cube. To determine the cost of shipping, she must determine the side length of the packages She knows that the volume of the package is V cubic inches
Which of the follow functions would best model this situation above?
Cube root
Polynomial
Piecewise
Absolute Value