Answer:
-1
Step-by-step explanation:
2y+6=1 -3y
add three to both sides and minus 6 from both sides becasue you want to get y by itself
5y=-5
now both sides by 5
y=-1
Answer:
y=−1
Step-by-step explanation:
2y+6=1−3y
Step 1: Simplify both sides of the equation.
2y+6=1−3y
2y+6=1+−3y
2y+6=−3y+1
Step 2: Add 3y to both sides.
2y+6+3y=−3y+1+3y
5y+6=1
Step 3: Subtract 6 from both sides.
5y+6−6=1−6
5y=−5
Step 4: Divide both sides by 5.
y=−1
it says it all in the picture I need help, please, and also show reasoning and how you got the answer
Answer:
y = -2 when x = 0
Step-by-step explanation:
We are given points on the line such as ( 2, 2) and (6, 10) so we can find the equation of the line then find point (x=0, y=?).
General equation of the line is y = mx +b, where m is the slope and
b is y-intercept (where the line crosses the y-axis)
The slope m = (y2-y1)/ (x2-x1) = (10-2)/(6-2) = 8/4 = 2
Now the equation is y = 2x +b
To find b we substitute any of the points that are on the line, for example
(x=2, y=2) in the equation 2=2*2+b; 2-4 =b; -2 = b
The equation is y=2x -2
If x= 0 then y=2*0 -2; y = -2
6- Karen is making a frame for a square picture with an area of 169 square inches. How
many inches of framing are needed?
a) 13
b) 14
c) 15
d) 16
PLEASE HURRY! I WILL MARK YOU BRAINLIST OR WHATEVER... IF YOU DO IT PLEASE
Answer: a
Step-by-step explanation:
Tell me if it is correct
The cost, in dollars, for a video game developer to code g games can be represented by the function v(g) . The number of games produced in w weeks is given by the function g(w) = 4w.
After w weeks, the expression for the total cost of games is 250 + 4000w.
What is Expression?
Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement. It's possible to multiply, divide, add, or subtract with this mathematical operation. An expression's structure is as follows: Expression: (Math Operator, Number/Variable, Math Operator)
An algebraic expression known as a linear expression has terms that are either constants or variables raised to the first power. Alternatively put, none of the exponents can be greater than 1.
As an illustration, while x is a variable raised to the first power, x2 is a variable raised to the second power. An illustration of a constant is 5.
Linear expressions are what the two expressions are. One variable raised to the power of one makes up a linear expression.
250 + 1000g.
Where: g(w) = 4w.
250 + 1000(4w).
250 + 4000w.
Therefore, number of games produced in w weeks is 250 + 4000w.
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Estimate the amount of the tip by rounding the bill to the nearest dollar before calculating.
20% tip on a bill of $59.03?
Answer:
11.8
Step-by-step explanation:
Rounding 59.03 you get 59.
20% of 59 = 11.8
11.8 = the tip.
What is 78,900,000,000 expressed as scientific notation?
Answer:
7.89 x 10<superscript=10>
Step-by-step explanation:
Find x, y, and z. Drag and drop the numbers into the boxes to show the value of each variable.
Answer:
x=186.68
y=140
z=233.34
Step-by-step explanation:
easy method to solve since you have the answers to pick from
first triangle. we have two sides 175 and 105 and we know that 175 have to be the largest number, its the hypotenuse. which means
y=140,
cannot be 233 or 186 because both greater than 175
now next triangle. x-y-z, we already know "y" and "z" needs to be the largest number so it has to be
z= 233.34 and finally
x=186. 67
Barnabas Price. Answer question attached. No reasoning required. Brainliest for first to answer correctly. Barnabas Price.
Y = 2.9
Or
X= 2.9, y= - 0.9
Hope this helps!
What is the volume of the prisms below?
10 m
8 m
11 in.
12 in.
11 in.
11 cm
16 cm
8 cm
Answer:
Step-by-step explanation:129412515968569028414 m
According to math modeling, what values cannot vary without consequence?
In mathematical modeling, some values are considered fixed and cannot vary without consequence. These values are often referred to as constants or parameters, and they represent physical or environmental properties that are assumed to be constant throughout the problem.
For example, in a mathematical model of the motion of a pendulum, the length of the pendulum, the mass of the weight, and the force of gravity are typically considered constants that cannot vary without consequence. If any of these values were to change, the motion of the pendulum would be affected, and the solution to the problem would be different.
Similarly, in a mathematical model of heat transfer, the thermal conductivity of the material, the heat source or sink, and the boundary conditions are typically considered constants that cannot vary without consequence. If any of these values were to change, the temperature distribution and heat transfer rate within the system would be affected, and the solution to the problem would be different.
The choice of which values to consider as constants or parameters depends on the specific problem being modeled and the assumptions made.
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(8.3)
(2,3)
Need help please
Answer:
AB = 6 units
Step-by-step explanation:
Given A(8, 3 ) and B(2, 3 )
Since the y- coordinates in both points are 3 then this is a horizontal line.
The length of AB is then the difference of the x- coordinates, that is
AB = 8 - 2 = 6 units
x3+y3+z3= pls can someone help
Answer: if you need me to combine, its x6+y3. if not, say please
Step-by-step explanation:
Is the line x = 1 - 2t, y = 2 + 5t, z = -3t parallel to the plane 2x + y - z = 8? Give reasons for your answer.
No, the line x=1-2t, y=2+5t, z=-3t is not parallel to the plane 2x+y-z=8 as their dot product is not zero.
To determine if the line x = 1 - 2t, y = 2 + 5t, z = -3t is parallel to the plane 2x + y - z = 8, we can find the direction vector of the line and check if it is orthogonal to the normal vector of the plane.
The direction vector of the line is given by the coefficients of t in each component, which is (-2, 5, -3).
The normal vector of the plane is given by the coefficients of x, y, and z in the plane's equation, which is (2, 1, -1).
To check if the direction vector is orthogonal to the normal vector, we can take their dot product and see if it is zero:
(-2, 5, -3) * (2, 1, -1) = -4 + 5 + 3 = 4
Since the dot product is not zero, the direction vector of the line and the normal vector of the plane are not orthogonal, which means the line is not parallel to the plane.
The line x = 1 - 2t, y = 2 + 5t, and z = -3t is not parallel to the plane 2x + y - z = 8, hence the answer is no.
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5. Which expressions are equivalent?
I. 6(a + 2)
II. 6a + 12
III. 3(2a + 4)
A I and II only
II and III only
Bland Ill only
0 I, II, and III
Write the equation in standard form for the circle with radius 9 centered at the origin
Answer:
x² + y² = 81
Step-by-step explanation:
Standard form for the equation of a circle: (x - h)² + (y - k)² = r²
(where (h, k) is the center and r is the radius)
Given:
radius (r) = 9center of circle = (0, 0)⇒ (x - 0)² + (y - 0)² = 9²
⇒ x² + y² = 81
prove the following relations:cot²a-cos²a=cot²a cos
please help:((
Answer:
steps below
Step-by-step explanation:
It's easier to prove from right side to left side. If you insist to prove from left to right, you can just reverse the calculation from bottom to the top.
\(cot^{2} a * cos^{2}a \\= cot^{2} a * (1-sin^{2} a)\\= cot^{2} a - cot^{2} a*sin^{2} a\\= cot^{2} a - \frac{cos^{2} a}{sin^{2}a} *sin^{2} a\\= cot^{2} a - cos^{2} a\)
a fair coin is tossed 29 times. what is the probability that at most 27 heads occur? a) 0.00000006 b) 0.00000081 c) 0.00000076 d) 0.99999994 e) 0.99999919 f) none of the above.
Option- D is correct that is the probability that at most 27 heads occur is 0.99999994.
Given that,
A fair coin is tossed 29 times.
We have to find what is the probability that at most 27 heads occur.
We know that,
A fair coin is tossed 29 times.
n=29
Probability of heads p=1/2
q= 1-p
q=1-1/2=1/2
We get
P (X=x) = ⁿCₓ qⁿ⁻ˣ pˣ
Now, the probability that at most 27 heads occurs is
P(X<27)
=1-[P(X=28)+ P(X=29)]
=1-[²⁹C₂₈(1/2)²⁹⁻²⁸(1/2)²⁸- ²⁹C₂₉(1/2)²⁹⁻²⁹(1/2)²⁹]
=1-[²⁹C₂₈(1/2)²⁹- ²⁹C₂₉(1/2)²⁹]
=1-[28+1](1/2)²⁹
=1-29×0.00000000186
=0.999999945
Therefore, Option- D is correct that is the probability that at most 27 heads occur is 0.99999994.
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Find the probability of rolling a sum greater than 2 when rolling 2 dice
Step-by-step explanation:
the ONLY roll that is two or less when rolling 2 dice is 1 - 1
out of 36 possible rolls
so 35 are greater than two or 35/36
Dwayne can spend no more than $12 at the grocery store buying loaves of bread and eggs. Each egg costs $0.20 and each loaf of
needs at least 6 eggs and 3 loaves of bread.
Let x represent the loaves of bread and y represent the number of eggs. Select all the inequalities that represent constraints for the situation.
OA 2x+0.2y>_ 9
OB. 2x+0.2y≤ 12
O C. x>_3
OD. x+y ≤ 12
O E x ≤ 3
OF. y ≤ 6
OG y>_6
The inequalities that represent constraints for the situation will be:
x+y ≤ 12
x >= 3
y >= 6
How to calculate the value?Let x represent the loaves of bread
Let y represent the number of eggs.
From the information, Each egg costs $0.20 and each loaf of needs at least 6 eggs and 3 loaves of bread.
Therefore,
x >= 3
>= 3y >= 6
Also, Dwayne can spend no more than $12 at the grocery store buying loaves of bread and eggs. This will be x+y ≤ 12.
The correct options are C, D, and F.
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Compute the Jacobian J(u,v) for the following transformation. xuv, y Question content area bottom Part 1 J(u,v) enter your response here
Suction
ule hash
x(u,v) = u Y(UN) = =-4V
Therefore
DT (u,v) = av วง DT (UN) = [ㅎ]
Thus,
J (u,v) = det DT (u,v) = |: 1
J(u,v) = -4
here is response J(u,v) = -4
Common synonyms for response include response, rejoinder, rejoinder, and rejoinder. All of these words mean ``speak, write, or something in return,'' but the response may mean a quick or spontaneous response to someone or something that acts as a stimulus.
text A reply is a writing style that expresses your reaction to something. It's your chance to let the world know you're thinking about something. Text response is also called reader response, which is correct, but is sometimes confused with read-and-write narrative.
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For the following equation, determine the values of the missing entries. Reduce all fractions to lowest terms.
y = x² - 4x + 4
Note: Each column in the table represents an ordered pair. If multiple solutions exist, you only need to identify one
The completed table represents the values of the missing entries for the given equation y = x² - 4x + 4.
To determine the values of the missing entries and complete the table, we need to substitute the given values of x into the equation y = x² - 4x + 4 and evaluate the corresponding y-values. Let's start:
For x = 0:
y = (0)² - 4(0) + 4
y = 0 - 0 + 4
y = 4
So, the ordered pair is (0, 4).
For x = 1:
y = (1)² - 4(1) + 4
y = 1 - 4 + 4
y = 1
So, the ordered pair is (1, 1).
For x = 2:
y = (2)² - 4(2) + 4
y = 4 - 8 + 4
y = 0
So, the ordered pair is (2, 0).
For x = 3:
y = (3)² - 4(3) + 4
y = 9 - 12 + 4
y = 1
So, the ordered pair is (3, 1).
For x = 4:
y = (4)² - 4(4) + 4
y = 16 - 16 + 4
y = 4
So, the ordered pair is (4, 4).
Completing the table:
x y
0 4
1 1
2 0
3 1
4 4
Therefore, the completed table represents the values of the missing entries for the given equation y = x² - 4x + 4.
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Find The Total Differentials Of The Following Utility Functions. A. U(X,Y)=Xαyβ B. U(X,Y)=X2+Y3+Xy
A. The total differential of the utility function U(X,Y) = X^αY^β is dU = αX^(α-1)Y^β dX + βX^αY^(β-1) dY.
B. The total differential of the utility function U(X, Y) = X^2 + Y^3 + XY is dU = (2X + Y) dX + (3Y^2 + X) dY.
A. The total differential of a function represents the small change in the function caused by infinitesimally small changes in its variables. In this case, we are given the utility function U(X, Y) = X^αY^β, where α and β are constants.
To find the total differential, we differentiate the utility function partially with respect to X and Y, and multiply the derivatives by the differentials dX and dY, respectively.
For the partial derivative with respect to X, we treat Y as a constant and differentiate X^α with respect to X, which gives αX^(α-1). We then multiply it by the differential dX.
Similarly, for the partial derivative with respect to Y, we treat X as a constant and differentiate Y^β with respect to Y, resulting in βY^(β-1). We then multiply it by the differential dY.
Adding these two terms together, we obtain the total differential of the utility function:
dU = αX^(α-1)Y^β dX + βX^αY^(β-1) dY.
This expression represents how a small change in X (dX) and a small change in Y (dY) affect the utility U(X, Y).
B. To find the total differential of the utility function U(X, Y) = X^2 + Y^3 + XY, we differentiate each term of the function with respect to X and Y, and multiply the derivatives by the differentials dX and dY, respectively.
For the first term, X^2, we differentiate it with respect to X, resulting in 2X, which is then multiplied by dX. For the second term, Y^3, we differentiate it with respect to Y, resulting in 3Y^2, which is multiplied by dY. Finally, for the third term, XY, we differentiate it with respect to X and Y separately, resulting in X (multiplied by dY) and Y (multiplied by dX).
Adding these three terms together, we obtain the total differential of the utility function:
dU = (2X + Y) dX + (3Y^2 + X) dY.
This expression represents how a small change in X (dX) and a small change in Y (dY) affect the utility U(X, Y).
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Assume boolean[][] x = new boolean[5][7], what is the index variable for the element at the last row and last column in array x?
a. x[4][5]
b. x[4][6]
c. x[5][6]
d. x[5][7]
The index variable for the element at the last row and last column in the array x is B. x[4][6].
In Java, arrays are zero-indexed, which means the first element of an array is at index 0. The given array x is a 2D boolean array with dimensions 5x7 (5 rows and 7 columns). To access the last row and last column, we need to subtract 1 from each dimension:
- For the last row, the index is 5 - 1 = 4.
- For the last column, the index is 7 - 1 = 6.
So, the correct index variable to access the last row and last column is x[4][6]. The other options provided are incorrect as they do not accurately represent the index of the last element:
- a. x[4][5] refers to the second to last element in the last row.
- c. x[5][6] would be out of bounds, as the maximum row index is 4.
- d. x[5][7] would also be out of bounds, as both the row and column indices are too large.
Therefore, the correct option is B.
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The triangles shown below must be congruent.
80
10
80"
10
51-
451
O A. True
B. False
In a class of students, the following data table summarizes how many students passed
a test and complete the homework due the day of the test. What is the probability that
a student chosen randomly from the class passed the test?
Completed the homework
Did not complete the homework
Passed the test Failed the test
12
2
4
3
Answer:
20/27
Step-by-step explanation:
Determine the quantity needed to replace the question mark to make the scale balance The weight times the distance on both sides of the fulcrum (the triangle) must be the same to make the scale balance
6 kg 3m - 600 cm
The quantity needed to replace the question mark to make the scale balance is ? grams
work please, I wanna understand how to do it. thank you:)
Solution :
Given
\($W_1$\) = weight of the first side
= 6 kg = 6000 g
\($D_1$\) = distance of the first weight from the triangle.
= 3 m = 300 cm
\($D_2$\) = distance of the first weight from the triangle.
= 600 cm
Let, \($W_2$\) = weight of the second side
So, \($W_1$\) x \($D_1$\) = \($W_2$\) x \($D_2$\)
or \($W_2=\frac{W_1 \times D_1}{D_2}$\)
\($W_2=\frac{6000\times 300}{600}$\)
= 3000 g
Therefore, the quantity that is used to replace the question mark in order to make the scale balance is 3000 g.
The table shows the results of rolling a number cube with sides labeled 1 through 6 several times.
What is the experimental probability of rolling a 3 or a 6?
Enter your answer as a fraction in simplest form in the box.
Answer:
it is 2/6 because there are 6 sides and two numbers that you need to get.
Answer:
The answer is 1/4
Step-by-step explanation: it was on the quiz
Simplify this please (multi choice)
Casey buys a bracelet. She pays for the bracelet and pays $0.72 in sales tax. The sales tax rate is %6, percent.
What is the original price of the bracelet, before tax?
The original price of the bracelet, before tax $0.68
What is the original price of the bracelet, before tax?From the question, we have the following parameters that can be used in our computation:
Amount = $0.72
Sales tax = 6%
Using the above as a guide, we have the following:
Amount = Original amount * (1 + Sales tax)
Substitute the known values in the above equation, so, we have the following representation
0.72 = Original amount * (1.06)
So, we have
Original amount = 0.68
Hence, the original amount = 0.68
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8n - 7 = -5(-3n - 7)
Solve Multi-Step equation.
Please explain how you i can understand too!
Answer:
n=-6
Step-by-step explanation:
8n-7=-5(-3n-7)
Multiply -5 to -3n and -7
8n-7= 15n+35
Bring 8n to the other side by subracting it from 15n
-7=7n+35
Subtract 35 from both sides
-42=7n
Divide both sides by 7
n=-6
In the following exercise eliminate the parameter t. Then use the rectangular equation to sketch the plane curve represented by the given parametric equations. Use arrows to show the orientation of the curve corresponding to increasing values of t. x=sqrt 3t, y=3t-8
The rectangular equation is y = x² - 8.
Given;
The rectangular equation to sketch the plane curve represented by the given parametric equations,
x = √3t
y = 3t - 8 -∞ < t < ∞
Now,
3t = x²
t = x²/3
Now,
y = x² - 8
Therefore, the rectangular equation is y = x² - 8
Where, x ≥ 0
And the graph is a curve as shown below,
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