the answer is 13/5 or 2.6
Can you find the number of triangles in the given figure?
Answer:
20?
Step-by-step explanation:
Helen wrote and solved the equation.
x minus 17 = 56. x minus 17 + 17 = 56 minus 17. x = 39.
What was Helen’s error?
Helen only needed to add 17 to the left side of the equation.
Helen should have added 17 to both sides of the equation.
Helen’s work is correct.
Helen made a subtraction error when subtracting 17 from 56.
Answer:
x-17=56
x-17+17=56+17
x=56+17
x=73
Step-by-step explanation:
Do mark BRAINLIEST
Answer:
d
Step-by-step explanation:
There are 24 baseball teams in a league.
Each team plays two matches against each of the other teams.
Work out the total number of matches played?
(I have already tried writing 552 but it marking it wrong).
There are 534 played games in total.
How to get the total number of matches played?
There are 24 teams, and each team plays 2 matches against each one of the other teams.
So, let's say that each team is called team 1, team 2, team 3, ..., team 24.
If we start with team 1, they will play 2 games with each one of the other 23 teams, so here we will have: 23*2 = 46 games.
Now we go to team 2, we already counted the 2 games that the played with team 1, so we only look at the remaining 22 teams, here we will have:
22*2 = 44 more games.
Now with team 3, there are 21 teams remaining, so here we add another 2*21 = 42 games
And so on, now we do that for all the teams and then add all the numbers of games, the total number of games will be given by:
N = 2*(23 + 22 + 21 + ... + 2 + 1) = 534
There are 534 played games in total.
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Explain this question help me?
Answer:
D. y = 1.5\((4)^{x}\)
Step-by-step explanation:
There are a lot of ways to solve this, but here we will just use the simplest way is to put the number in for x and y to see if it is true or not, and that will be the correct answer.
Let's use the point (4, 384)
A. y = 4\((2)^{x}\)
384 = 4\((2)^{4}\)
384 = 64
This is not true, so A is wrong.
B. y = 3\((2)^{x}\)
384 = 3\((2)^{4}\)
384 = 48
This is not true, so B is wrong.
C. y = 4\((1.5)^{x}\)
384 = 4\((1.5)^{4}\)
384 = 20.25
This is not true, so C is wrong.
D. y = 1.5\((4)^{x}\)
384 = 1.5\((4)^{4}\)
384 = 384
This is true, so D is the answer.
  Can someone pleaseeee help if you’re correct I’ll give u brainlist
Answer:
Just about 3.6
Step-by-step explanation:
a² + b² = c²
√(a² + b²) = c
√(2² + 3²) = c
√(4 + 9) = c
√(13) = c
3.605551275 = c
c ≈ 3.6
Answer:
p = 3 as angle C and angle D are equal which means they are isoceles triangle and their base sides are equal i.e DB=CB so p. = 3
I need help on these!
Evaluate 4x² + 2xy for x = 5 and y = 2.
Hey there! :)
Answer:
120.
Step-by-step explanation:
Substitute in 5 for x and 2 for y into the expression 4x² + 2xy:
4(5)² + 2(5)(2) =
4(25) + 2(10) =
100 + 20 =
120.
Solve the literal equation 9y-3x=-3 for y .
Answer:
y = \(\frac{1}{3}\) (x - 1)
Step-by-step explanation:
9y - 3x = - 3 ( add 3x to both sides )
9y = 3x - 3 ← factor out 3 from each term
9y = 3(x - 1) ← divide both sides by 9
y = \(\frac{3}{9}\) (x - 1) = \(\frac{1}{3}\) (x - 1)
A 3^{\text{rd}}3 rd 3, start superscript, start text, r, d, end text, end superscript degree binomial with a constant term of 888 Choose 1 answer:
The possible 3rd degree binomial with a constant term of 888 is x^3 + 2x^2 + 3x + 888, for the given one degree of freedom.
To find a 3rd degree binomial with a constant term of 888, we can start by writing the general form of a 3rd degree binomial: ax^3 + bx^2 + cx + d.
Since we want the constant term to be 888, we can set d = 888.
Now, we need to choose values for a, b, and c. We have one degree of freedom, so we can choose any values for a, b, and c as long as they satisfy the condition of being a 3rd degree binomial.
For example, let's choose a = 1, b = 2, and c = 3.
Therefore, a possible 3rd degree binomial with a constant term of 888 is x^3 + 2x^2 + 3x + 888.
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There is a step missing from the equation below. Which equation is the missing step
Answer: 25=0.011x+13
Find the height of a triangle that had area of 30sqaure deer units and a base measuring 12units
Answer:
h = 5 units
Step-by-step explanation:
Step 1: Plug in known variables into formula
A = 1/2bh
30 = 1/2(12)h
Step 2: Multiply both sides by 2 (To get rid of fraction)
60 = 12h
Step 3: Divide both sides by 12
h = 5
Answer: 5 units
Step-by-step explanation:
30 devided by 12 then multiply that by 2
David wants to build a pen for his goat. He wants the area of the pen to be 48 square feet. If the length and width of the pen are both whole numbers. What could be the perimeter of the pen. Alright I can’t figure it out please help
If the length and width of the pen are both whole numbers the possible perimeters for the pen are 98, 52, 38, 32, and 28.
To find the possible perimeters of the pen, we first need to find all the possible length and width pairs that would give us an area of 48 square feet. Since the length and width are whole numbers, we can start by listing out all the factors of 48:
1, 2, 3, 4, 6, 8, 12, 16, 24, 48
Each of these factors represents a possible length or width of the pen, and we can find the other dimension by dividing the area (48) by the first dimension. For example, if the first dimension is 1, then the other dimension is 48/1 = 48. However, we need to make sure that the second dimension is also a whole number.
Using this method, we can find all the possible length and width pairs:
1 x 48, 2 x 24, 3 x 16, 4 x 12, 6 x 8
Now we can calculate the perimeter for each of these pairs. The perimeter is the sum of the lengths of all four sides of the pen. Since the length and width are the same for a square pen, we can use the formula:
perimeter = 2(length + width)
For each pair, we can plug in the values for length and width to get the perimeter:
1 x 48: perimeter = 2(1 + 48) = 98
2 x 24: perimeter = 2(2 + 24) = 52
3 x 16: perimeter = 2(3 + 16) = 38
4 x 12: perimeter = 2(4 + 12) = 32
6 x 8: perimeter = 2(6 + 8) = 28
Therefore, the possible perimeters for the pen are 98, 52, 38, 32, and 28.
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If the mean of 1, 7, x is 4, then the value of x is
Answer:
ATQ
(1+7+x)/3 = 4
1+7+x =12
x =12-8
x =4
convert 123 into quinary number .
To convert decimal number 123 to quinary, follow these steps:
1. Divide 123 by 5 keeping notice of the quotient and the remainder.
2.Continue dividing the quotient by 5 until you get a quotient of zero.
3. Then just write out the remainders in the reverse order to get quinary equivalent of decimal number 123.
find the exact value of sin(cos^-1(2 5))
The exact value of sin(cos^-1(2/5)) is √21 / 5.
We know that cos(cos^-1(x)) = x for all x in [-1, 1]. Hence,
cos(cos^-1(2/5)) = 2/5
Now we need to find sin(cos^-1(2/5)).
We can use the identity sin^2(x) + cos^2(x) = 1 and substitute cos(x) = 2/5 to get:
sin^2(cos^-1(2/5)) + cos^2(cos^-1(2/5)) = 1
sin^2(cos^-1(2/5)) + (2/5)^2 = 1
sin^2(cos^-1(2/5)) = 21/25
Taking the positive square root (since sine is positive in the first and second quadrants), we get:
sin(cos^-1(2/5)) = √(21/25)
= √21 / 5
Therefore, the exact value of sin(cos^-1(2/5)) is √21 / 5.
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find the equation of the tangent line to the curve defined by the equations x=t 1/t, y=t−1/t when t=1.
It means the tangent line is vertical and its equation is x=1.
To find the equation of the tangent line, we need to find the slope of the curve at t=1 and the point on the curve where t=1.
First, we find the derivative of y with respect to x:
dy/dx = (dy/dt)/(dx/dt) = (-1/t^2)/(1-1/t^2) = -t^2/(t^2-1)^2
Next, we find the y-coordinate when t=1:
y = t-1/t = 1-1/1 = 0
So, the point on the curve where t=1 is (1, 0).
Now we can find the slope of the tangent line by plugging in t=1:
dy/dx | t=1 = -1/0 = undefined
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What is the volume of this triangular pyramid?
12 m
11 m
18 m
cubic meters
PLEASE HELP 10 POINTS!! WILL VOTE BRAINLIEST
Answer:
Step-by-step explanation:
12x11x18=2376m3
4. Which equation is perpendicular to the line y = 3 and passes through the point (-1,3)
The equation that is perpendicular to the line is x = -1
How to determine the equation that is perpendicular to the line?The line equation is given as
y = 3
The point is also given as:
(x, y) = (-1, 3)
A linear equation is represented as
y = mx + c
Where m represents the slope
This means that y = 3 can be represented as
y = 0x + 3
So, the slope is 0
Since the slope is 0, the equation of the perpendicular line must be
x = xt
Where
(xt, y) = (-1, 3)
By comparison, we have
x = -1
Hence, the equation that is perpendicular to the line is x = -1
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What is the domain of the ordered pairs shown in the graph?
Answer:
b
Step-by-step explanation:
Let’s lets take a step back.
What is domain?
Domain is the x values in a graph.
So with the points listed -> (0,2) (3,1) (-2,0) (2,-1)
The domain are 0, 3, -2, 2.
So the anser is b.
Answer:
The answer is B
Step-by-step explanation:
because the domain is always gonna be on the x axis id there are to numbers such as 5,-2 the first number is always the domain so when looking at the graph find each set of number in this case it would be -2,0 0,2 2,-1 3,1
you then take the first number from every set which is -2,0,2,3 and thats your domains
enter the fraction as a product of a whole number and a unit fraction: 4/5 = blank times blank
A unit fraction is a fraction with the numerator equals 1.
So, in order to have the fraction 4/5, we can multiply the number in the numerator by a unit fraction with the same denominator:
\(\frac{4}{5}=4\cdot\frac{1}{5}\)So the first blank space is filled with 4 and the second one with 1/5.
Solve the following initial value problem:
dydt=−3y+6, y(0)=8.
y = 2 + 6e^(-3t).
How to use the method of separation of variables?We can solve the given initial value problem using the method of separation of variables.
Separating the variables, we get:
dy/(y-2) = -3 dt
Integrating both sides, we get:
ln|y-2| = -3t + C
where C is the constant of integration.
Using the initial condition y(0) = 8, we have:
ln|8-2| = C
C = ln(6)
Substituting the value of C, we get:
ln|y-2| = -3t + ln(6)
ln|y-2| = ln(6) - 3t
Taking exponential on both sides, we get:
|y-2| = e^(ln(6)-3t)
|y-2| = 6e^(-3t)
y-2 = ±6e^(-3t)
If we take the positive sign, we get:
y = 2 + 6e^(-3t)
Using the initial condition y(0) = 8, we get:
8 = 2 + 6e^(0)
Simplifying, we get:
6 = 6
Therefore, the solution to the given initial value problem is: y = 2 + 6e^(-3t)
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A triangle has sides with lengths of 15 kilometers, 17 kilometers, and 20 kilometers. Is it a right triangle?
Answer: no
Step-by-step explanation:
use pythagorean theorem.
you can use a^2+b^2=c^2
the biggest value is always c(the hypotenuse) -> c=20
a and b would be 15 and 17(doesn't matter which is which)
plug it into the equation -> 15^2+17^2=20^2
225+289=400
514≠400
so no, it's not a right triangle
May someone pls help me with this?
Answer:
L m a o i only in middle school but its nice that people on this app are polite.
What is the slope-intercept form of the following equation? −6x−2y=−18
Answer:
y = -3x + 9
Step-by-step explanation:
−6x − 2y = −18
+6x +6x
------------------------
-2y = -18 + 6x
/-2 /-2
-------------------------
y = 9 - 3x
y = -3x + 9 ---> this is your slope-intercept form
You have bag filled with 6 red marbles, 4 blue marbles, and 8 yellow marbles. What is the probability of pulling out a red marble?
Step-by-step explanation:
Simple
Total no of marbles = 6 + 4 + 8 = 18
Probability of red marble = 6 / 18 = 1/ 3
i need help with this
Answer:
it should be d.
Step-by-step explanation:
volume of a cone = π x r² x h
volume = π x 4.5² x 3.5
volume = π x 70.825
volume = 222.66 cubic metres
the time spent waiting in the line is approximately normally distributed. the mean waiting time is 55 minutes and the standard deviation of the waiting time is 11 minute. find the probability that a person will wait for more than 33 minutes. round your answer to four decimal places.
The probability that a person will wait for more than 33 minutes is 0.9772, rounded to four decimal places.
To find the probability that a person will wait for more than 33 minutes, we need to calculate the area under the normal distribution curve to the right of 33 minutes.
Using the standard normal distribution, we can convert the waiting time of 33 minutes to a z-score:
z = (33 - 55) / 11 = -2
Then, we can find the area to the right of this z-score using a standard normal distribution table or calculator. The area to the left of a z-score of -2 is 0.0228, so the area to the right (the probability that a person will wait for more than 33 minutes) is:
1 - 0.0228 = 0.9772
Therefore, the probability that a person will wait for more than 33 minutes is 0.9772, rounded to four decimal places.
Given a normally distributed waiting time with mean 55 minutes and standard deviation 11 minutes, we can use the properties of the normal distribution to calculate the probability that a person will wait for more than 33 minutes. By standardizing the waiting time using the z-score formula, we can transform it into a standard normal distribution with mean 0 and standard deviation 1. From there, we can use a standard normal distribution table or calculator to find the area to the right of the z-score corresponding to 33 minutes. This area represents the probability that a person will wait for more than 33 minutes. Finally, we subtract this area from 1 to obtain the desired probability.
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can someone help me please
Answer:
74
Step-by-step explanation:
because it is alternate angle
Answer:
1. 106º
2. 146º
Step-by-step explanation:
1. The two angle are supplementary which means that together they will equal 180º
2. The acute angle next to the angle in question is completing the 180º of both the triangle and the line meaning that the 90º of the triangle plus 56º of the other angle must be the same amount of degrees as angle x.
y² - 11y + 21.25 = 0
Answer:
y=17/2 y=5/2
Step-by-step explanation:
...................
Answer:
\(y^{2}\)-11y= -21.25
Factorize the expression \(y^{2}\)-11y
y(y-11)= -21.25
Eliminate (y-11)by dividing it over (y-11)
\(\frac{y (y-11)}{(y-11)}\) = \(\frac{-21.25}{(y-11)}\)
Final answer;
y=\(\frac{-21.25}{(y-11)}\)
refer to table 13-12. firm 4's efficient scale occurs at what quantity?
The firm 4's efficient scale occurs at 4
In this question, we have been given a table of long-run total cost and the quantity.
We need to find the quantity at which the firm 4's efficient scale occurs.
We know that the efficient scale occurs at the quantity of output where average total cost is minimum.
For the firm 4 the average total cost would be,
(210 + 340 + 490 + 660 + 850 + 1060 + 1290) / 7
= 4900 / 7
= 700
This value is clsoe to 660.
Therefore, the firm 4's efficient scale occurs at quantity 4.
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Given question is incomplete.