Answer:
Step-by-step explanation:
2:4
3/4
So can someone just kinda do these
Answer:
1.) -5/4
2.) 2
3.) 7/3
4.) 4
5.) -6
6.) -1
7.) 5/3
8.) -4
9.) 2
Step-by-step explanation:
this is what i got i hope they are all right
slope formula: (y2 - y1) / (x2 - x1)
Juan runs 6 miles in 50 minutes. At the same rate, how many miles would he run in 35 minutes?
Find the next two terms in this
sequence.
50, 40, 31, 23, 16, [?],[?]
Answer:
10 and 5
Step-by-step explanation:
I am not really sure because I am new to this but the pattern looks like it is going down 1 each time like it started by going down by 10,9,8,7,6,5 hope this helps :)
4. Higher Order Thinking A national TV
news show conducted an online poll to find
the nation's favorite
comedian. The
website showed
the pictures of
5 comedians and
asked visitors of the
site to vote. The news
show inferred that
the comedian with
the most votes was
the funniest comedian
in the nation.
a. Is the inference valid? Explain.
b. How could you improve the poll? Explain.
No, the inference is not valid because it excluded those who were not online and so did not see the poll.
To improve the poll, the news show could have conducted it in a more representative manner by surveying a larger sample of people from a variety of backgrounds
How to improve the poll ?The poll's results may have been influenced by various factors, including but not limited to the order in which the comedians were presented, the demographics of the respondents, and the fact that it was conducted online, possibly excluding those without internet access. Overall, the poll's representative accuracy is questionable.
To enhance the accuracy of the survey, the broadcast could have implemented a more inclusive method by polling a wider range of individuals from diverse backgrounds. An alternate method for conducting the poll would have been by personal or telephonic means, enabling individuals without internet connectivity to participate.
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A square has an area of 56 units, find the length of the side in simplest form. Has to be an Improper fraction.
The length of the side of the square in simplest form is 2sqrt(14).
The area of a square is given by the formula \(A = s^2\), where A is the area and s is the length of a side.
We are given that the area of the square is 56 units, so we can set up the equation:
\(56 = s^2\)
To solve for s, we can take the square root of both sides of the equation:
sqrt(56) = \(sqrt(s^2)\)
We can simplify the square root of 56 by factoring it:
sqrt(56) = sqrt(222*7) = 2sqrt(14)
So, we have:
2sqrt(14) = s
This is an improper fraction because the numerator is larger than the denominator. Therefore, the length of the side of the square in simplest form is 2sqrt(14).
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function notations what is the function below what us f(4)?
Given the information in the picture, we have that on the x-axis, where 4 is located, there is a point 3 units down. That point is (4,3), so, f(4)=-3.
A straight line on the value f(4)=-3 is represented below:
* How many term are in the expansion of [(3x^2+7x)^3]^5
Answer:
There are 16 terms in the expansion.
Step-by-step explanation:
Number of terms in a binomial expansion:
The number of terms in a binomial expansion
\((a + b)^n\)
Is n + 1.
Power property:
For a power elevated to another power, we have that:
\((a^b)^c = a^{b*c}\)
In this question:
\([(3x^2 + 7x)^3]^5 = (3x^2 + 7x)^{3*5} = (3x^2 + 7x)^{15}\)
So \(n = 15\), then the number of terms is \(n + 1 = 15 + 1 = 16\)
There are 16 terms in the expansion.
Determine if the ordered pairs represent a direct variation or inverse variation.
{(1, 16), (2, 8), (4, 4)}
A. direct variation
B. inverse variation
Answer:
A direct variation
Step-by-step explanation:
Which is the correct answer? and how can you find the answer
Answer:
?
Step-by-step explanation:
Answer:
a
Step-by-step explanation:
-10/2=-5-7=-12
-8/2=-4-7=-11
Braniliest?
Help! Which of the following side lengths would NOT make a right triangle?
Answer:
The Answer is 10, 50, and 54
Step-by-step explanation:
You want to figure this answer out by using the Pythagorean Theorem. If 10 squared plus 50 squared does not equal 54 squared, then those side lengths can not make a triangle.
f(x) =x-4/x+5
and g(x) = 2x-1
Find the composition f•g
Step-by-step explanation:
2x-1 - (4/(2x-1)) + 5
2x^2 -4x -2 -4 + 10x - 5
2x^2 +6x -11
please help asap math question
A telephone pole casts a shadow that is 15 feet long. At the same time, a man standing nearby who is 6 feet tall casts a shadow that is 2 feet 9 inches long. How tall is the telephone pole to the nearest foot?
Answer:
24 feet
Step-by-step explanation:
9×2=18
18+6=24
24-18=6
1. Convert 2 feet, 9 inches to feet: 2.75 feet, since 9 inches is 3/4 of a foot.
2. Set up a ratio for the man comparing height to shadow length:
6 feet / 2.75 feet
3. Set this ratio equal to a simlar ratio for the pole:
\(\dfrac{6 \text{ feet}}{2.75 \text{ feet}} =\dfrac{x \text{ feet}}{15 \text{ feet}}\)
4. Solve the equation by multiplying by 15 on both sides of the equation:
\(15 \cdot \dfrac{6 }{2.75 } =x\)
or x ≈ 32.727272... or x ≈ 33 to the nearest foot
help I don't get this
Answer:
me neither bro
Step-by-step explanation:
Sam needs to fill a cylindrical container with punch. The container has
a radius of 11 inches and a height of 18 inches. How much punch can
Sam fit into the container?
Volume of the cylinder = 6838.92 cubic inches
We have to given that;
Sam needs to fill a cylindrical container with punch.
And, The container has a radius of 11 inches and a height of 18 inches.
Since, To determine the amount of cat litter the cylinder can hold, we need to calculate the volume of the cylinder.
Volume of a cylinder = πr²h
Where,
r=radius
h= height
Then,
π=22/7 or 3.14 (constant value)
r=11 inches
h=18 inches
Volume of a cylinder is,
= 3.14 × (11)² × 18
= 6838.92 cubic inches
Hence, Volume of the cylinder = 6838.92 cubic inches
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30 points!
Evaluate the following expression if B = 114
1/2B + 58 x 2
Step-by-step explanation:
1/2(114)+(58*2)
1/228+(116)
1/228+116/1=
26676/228=117
two dimensions of a right triang;e are 5 units and 13 units. a student writes tje equation 5^2 13^2
The equation is incorrectly written by the student to find the third side of the triangle.
The right triangle states that if one of the angles of a triangle is a right angle - 90º, the triangle is called a right-angled triangle or a right triangle.
(Hypotenuse)² = (Base)² + (Altitude)²
If the two sides are right angle triangle is 5 units and 13 units and the equation is 5²+13²=c² then the value of c is
c=√25+169
c=13.92 and 13.92 is not an integer number.
so, the equation written by the student to find the third side is incorrect.
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whats the equation of a line that passes through point (-1,3) with slope of 1
The equation of the line that passes through the point (-1, 3) with a slope of 1 is y = x + 4.
To find the equation of a line that passes through the point (-1, 3) with a slope of 1, we can use the point-slope form of a linear equation.
The point-slope form of a linear equation is given by:
y - y1 = m(x - x1)
where (x1, y1) represents the coordinates of a point on the line, and m represents the slope of the line.
Using the given point (-1, 3) and slope 1, we substitute these values into the point-slope form equation:
y - 3 = 1(x - (-1))
Simplifying:
y - 3 = x + 1
Now, we can rewrite the equation in the standard form:
y = x + 4
Therefore, the equation of the line that passes through the point (-1, 3) with a slope of 1 is y = x + 4.
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A group of people were asked how many people live in their household. How many said they have 3 or more in their household?
Answer:
11
Step-by-step explanation:
we know this because there are 5 people saying they have 3 and 6 people saying they have between 4-7
A rectangle is 2 4/5 meters wide and 3 1/2 meters
long. What is its area?
Answer: Area = l × w
= 3.5 × 2.8
= 9.8 meters2
Step-by-step explanation:
Which of the equations below could be the equation of this parabola?
(0,0)
Vertex
5
O A. x = 1 / ²
O B. - *
O c. y - 1²
D. x - - 1 / 2
0
Based on the graph, an equation which could be the equation of this parabola is x = -5y².
How to find the equation of a parabola.
Mathematically, the general equation of a parabola is given by:
\(y = a(x-h)^2 + k \\\\ x= a(y-k)^2 +h\)
Where:
h and k represents the vertex.Also, the standard equation of a regular parabola is given by:
y = x²/4a
Note: The vertex for this parabola is at the origin (0, 0).
Based on the graph, an equation which could be the equation of this parabola is x = -5y².
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Find a . b.
-
a = <2,4>, b = <2, 5>
<4,9>
24
<4, 20>
16
Answer: What is this
Step-by-step explanation:
So sir or ms but um i cannot read this and i am a Harvard Graduate.
PLEASE HELP QUICK AND EXPLAIN WILL GIVE 75PTS AND BRAINLIEST IF YOU EXPLAIN IT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Which of the following tables represents a function?
x 1 −1 4 −4
y 8 8 10 10
x 2 2 3 3
y 6 −6 7 7
x 5 −5 5 −5
y 10 11 12 13
x 2 2 7 7
y 2 3 4 5
12. A plot of land is used to grow flowers. of the land is allocated for orchids. 2 After the orchids have been planted, of the remaining land is allocated for roses. After orchids and roses have been planted, 0.75 of the remaining land is allocated for tulips. What fraction of the plot of land is not occupied by the flowers?
The fraction of the plot of land not occupied by the flowers is 0.0625 or 1/16.
Let's calculate the fraction of the plot of land that is not occupied by the flowers.
Given that initially, 1/4 of the land is allocated for orchids, we have 1 - 1/4 = 3/4 of the land remaining.
After planting the orchids, 2/3 of the remaining land is allocated for roses. Therefore, the fraction of land allocated for roses is (2/3) * (3/4) = 2/4 = 1/2.
Subtracting the land allocated for roses from the remaining land, we have 3/4 - 1/2 = 1/4 of the land remaining.
Finally, 0.75 of the remaining land is allocated for tulips. Therefore, the fraction of land allocated for tulips is 0.75 * (1/4) = 0.1875.
To find the fraction of the plot of land not occupied by the flowers, we subtract the fractions of land allocated for flowers from 1:
1 - (1/4 + 1/2 + 0.1875) = 1 - 0.9375 = 0.0625.
Therefore, the fraction of the plot of land not occupied by the flowers is 0.0625.
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a home improvement store charges $20 to rent a small truck for 1 hour . Each additional hour costs $25 . There is also a fuel surcharge of $0.05 for each mile driven .How much will it cost to rent the truck for 4 hours if it is driven 30 miles
Answer:
It will cost $121.50
Step-by-step explanation:
C = 20 + 25h + .05m
Now plug in the hours and miles
C = 20 + 25(4) + .05(30)
C = 20 + 100 + 1.5
C = 121.50
The total cost rent the truck for 4 hours and 30 miles drive is $121.5.
What is an equation?In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.
The solution of an equation is the set of all values that, when substituted for unknowns, make an equation true.
Given that, a home improvement store charges $20 to rent a small truck for 1 hour.
Let the number of hours be h and the number of miles be m.
Now, total charge = 20+25h+0.05m
Here, h=4 and m=30
So, total charge = 20+25(4)+0.05(30)
= $121.5
Therefore, the total cost rent the truck for 4 hours and 30 miles drive is $121.5.
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PLEASE HELP 50 POINTS!!
The sum of two consecutive numbers is 157. This equation, where n is the first number, represents the situation:
2n + 1 = 157.
What is the first number?
A. 77
B. 78
C. 79
D. 80
Calculator The diameter of a ball is 9 in. What is the volume of the ball? Use 3.14 for pi. Enter your answer as a decimal in the box. Round only your final answer to the nearest hundredth. in³
To find the volume of a ball, we use the formula V = (4/3)πr³, where r is the radius of the ball. We are given the diameter of the ball, which is 9 inches.
The radius of the ball is half of the diameter, so
r = 9/2 = 4.5 inches.
Substituting this value of r in the formula, we get:
V = (4/3)π(4.5)³V = (4/3)π(91.125)V = 4.1888 × 91.125V ≈ 381.71
Therefore, the volume of the ball is approximately 381.71 cubic inches.
When rounded to the nearest hundredth, the answer is 381.71.
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find the value of x and y.
Answer:
x = 14, y = 37.
Step-by-step explanation:
9x + 12 = 4y - 10 (exterior alternate angles are equal)
9x - 4y = -22 ..........A
The angle which is interiorly alternate to 3x is 180 - (9x + 12), so:
3x = 180 - (9x + 12) (interior alternate angles are equal)
3x + 9x = 168
12x = 168
x = 14
Substitute x = 14 into equation A:
9(14) - 4y = -22
4y = 9(14) + 22
4y = 148
y = 37.
convert 84 min into fraction
Answer:
84/60
Step-by-step explanation:
1 hour is 60 minutes so 84 minutes /60 gives how much it is in hours
A cyclist rode 3.85 miles in 0.7 hours. How fast was she going in miles per hour?
A. 3.85 miles per hour
B. 0.18 miles per hour
C. 5.5 miles per hour
D. 1.4 miles per hour