(2x+6yx)-(12ay+-6y) pls helpp pls
The required, simplified expression is 2x - 6y(2a - x) + 6y.
To simplify the expression (2x+6yx)-(12ay+-6y), we need to distribute the negative sign to the second term.
2x - 6y(2a - x) + 6y.
Now we can combine like terms, which means adding up any terms that have the same variables raised to the same powers. In this case, we have two terms with "x" and two terms with "y". Combining them, we get:
2x+6yx-12ay+6y = 2x - 12ay + 6yx + 6y
= 2x - 6y(2a - x) + 6y
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The correct mix for a batch of concrete is 6:3:2 in terms of sand, gravel and cement. The batch is to have 3300 pounds of these ingredients. How many of each are needed?
pounds of sand
pounds of gravel
pounds of cement
Answer:
1,800 lbs of sand
900 lbs of gravel
600 lbs of cement
Step-by-step explanation: 11*300=3,300. 300*6=1,800, 300*3=900, and 300*2=600. This is correct because if you add 1,800+900+600 you get 3,300.
Willow Brook National Bank operates a drive-up teller window that allows customers to complete bank transactions without getting out of their cars. On weekday mornings, arrivals to the drive-up teller window occur at random, with an arrival rate of 24 customers per hour or 0.4 customers per minute. a. What is the mean or expected number of customers that will arrive in a five-minute period
Answer:
The mean number of customers that will arrive in a five-minute period is 2.
Step-by-step explanation:
a. What is the mean or expected number of customers that will arrive in a five-minute period
For one minute, the mean is of 0.4 customers.
So, using proportions, for 5 minutes, the mean is of 5*0.4 = 2 customers.
The mean number of customers that will arrive in a five-minute period is 2.
Please help is due tonight
The linear function that has the greatest initial value is Function C.
Function B has the greatest rate of change.
What is a function?A function is a relationship between inputs where each input is related to exactly one output.
Example:
f(x) = 2x + 1
f(1) = 2 + 1 = 3
f(2) = 2 x 2 + 1 = 4 + 1 = 5
The outputs of the functions are 3 and 5
The inputs of the function are 1 and 2.
We have,
Function A:
The initial value is o.
f(0) = 0
The rate of change.
= (f(4) - f(2)) / 4 - 2
= (10 - 5) / 2
= 5/2
= 2.5
Function B:
The initial value is
y = 3x - 1
y = 3 x 0 - 1 = 0 - 1 = -1
Let y = f(x)
The rate of change.
= (f(2) - f(1)) / (2 - 1)
= (5 - 2) / 1
= 3
Function C:
The initial value is 2.
(0, 2) is considered as when x = 0, y = 2.
Take two coordinates from the graph.
(3, 3) and (6, 4)
The rate of change.
= (4 - 3) / (6 - 3)
= 1/3
= 0.33
Thus,
Function C has the greatest initial value.
Function B has the greatest rate of change.
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HELP ASAP BHYUKFCY FVCTUKF
Answer:
a
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
this is because both number are to the left of zero which makes both numbers negative which leaves you with one answer.
Hello! Please help me! There is a third option and the third option is "There is no mistake." PLZ! I Mark Brainliest.
Answer:
Step 2
Step-by-step explanation:
from Step 1 4/3 - 1/3 = 3/3 = 1 = q = q + 1/3 - 1/3
90% of 10 is
150% of 20 is
5% of 50 is
there are 10 total Marbles. 40% are white. How many Marbles are white?
Answer:
9
30
2.5
4
Step-by-step explanation:
I hope you understand cause I did it mentally but if you need and explanation just text here
Cynthia wants to buy a rug for a room that is 18ft wide and 26ft long. She wants to leave a uniform strip of floor around the rug. She can afford to buy 240 square feet of carpeting. What dimensions should the rug have?
The room is 18 ft by 26 ft which is 468 ft^2
She can afford a 240 ft^2 rug
12 * 20 = 240
She can afford a rug that is 12 ft wide by 20 ft long
The dimensions that the rug she wants to buy should have is: 12 ft by 240 ft
How to find the area of the rectangle?The formula for the area of a rectangle is expressed as:
Area = length * Width
Now, we are told that:
Dimensions of room = 18 ft by 26 ft
If she leaves a strip of 3ft across the room, then, we can say that area that needs carpeting = 12 ft by 20 ft
Let us check with the 240 square feet of carpeting
12 * 20 = 240 ft
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Theo has one piece of train track that is 74 millimeters long and a second piece of train track that is 97 millimeters long.
How many meters of track does Theo have in all?
0.171 m
1.71 m
17.1 m
171 m
Find the area in blue.
Answer: The area is 13\(\pi\)ft^2 or 40.84 ft^2
Step-by-step explanation:
First find the area of the square and subtract it from the area of the circle.
The area of a square is one of the side length squared.
A= 6^2
A = 36
Now find the area of the whole circle.As it indicates that the diameter is 14ft and to find the area of a circle,we need square the radius and multiply it by pi.
Since the diameter is 14 divide it by 2 to find the radius. 14/2 = 7
A= 7^2*\(\pi\)
A = 49\(\pi\) We will leave the area in terms of pi.
49\(\pi\) - 36 = 13\(\pi\)
Need help fast! Please help! Thank you.
Answer:
b
Step-by-step explanation:
Select all solutions to M•M•M=729
The solution to the equation given by M * M * M = 729 is 9
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables using mathematical operations. An equation can be linear, quadratic, cubic and so on, depending on the degree of the variable.
Given the equation:
M.M.M = 729
This gives:
M * M * M = 729
M³ = 729
Taking the cube root of both sides:
∛M³ = ∛729
M = 9
The solution to the equation is 9
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HELP ME!!!!!
Solve. −n/2 + 3/8 = −6 7/8 Enter your answer as a mixed number in simplest form in the box.
Feeling anxious about another pandemic induced run-on toilet paper, Jessica is making room in a closet for hording toilet paper. Using the Fermi process, she wants to estimate the number of rolls of toilet paper she can fit into a rectangular section of a closet with dimensions of length 57 inches by width 57 inches by height 63 inches. One Angel Soft MEGA roll has diameter 6 inches, height 5 inches.
What is the volume of the closet space?
What is the volume of one roll of toilet paper?
Use 3.14 for π and round to the nearest whole number
How many rolls of Angel Soft MEGA toilet paper can be fit into the closet space?
The volume of the closet space = 207,936 in³
The volume of the one roll of toilet paper = 141.3in³
How to calculate the volume of the closet?To calculate the volume of the closet, the formula that should be used is the formula for the volume of a rectangle = length×width×height.
Where;
length = 57 in
width = 57
height = 64
volume = 57×57×64 = 207,936 in³
The volume of the toilet paper with the shape of a cylinder would be = πr²h
where;
radius = diameter/2= 6/2=3in
height = 5 in
volume of cylinder = 3.14×3×3×5 =141.3in³
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Please help fast! Determine which set of side measurements could be used to form a right triangle. 4, 8, 11 or 6, 8, 13 or square root of 3, square root of 5, 8 or square root of 3, square root of 13, 4.
The following sets of side dimensions could be combined to create a right triangle 6, 8, 13 is √3, √13, 4.
What is a right-angle triangle?In the triangle, there are three angles: two acute angles and one 90-degree angle. The hypotenuse, perpendicular, and base are the terms used to describe the sides of a right-angled triangle.
The next choice shows the triangle's side length:
The point is,
The hypotenuse square of a right-angled triangle is equal to the sum of its squares on its other two sides, according to Pythagoras' Theorem.
Using Pythagoras' Theorem.
Use the formula:
a² + b² = c²
For 4, 8, 11
4, 8, 11
4² + 8² = 16 + 64 = 80
11² = 121
80 is not equal to 121 it cann ot form a right triangle
For 6, 8, 13
6² + 8² = 36 + 64 = 100
13² = 169
100 is equal to 169 - 69 can form a right triangle
For √3, √5, 8
(√3)² + (√5)² = 3 + 5 = 8
8² = 64
8 is equal to 64 cannot form a right triangle
For √3, √13, 4
(√3)² + (√13)² = 3 + 13 = 16
4² = 16
16 is equal to 16 can form a right triangle
In order to create a right triangle, one may utilise the following set of side measurements √3, √13 and 4 form a triangle.
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Based on the pattern, what are the next two terms of the sequence?
Answer:
33 , 39
Step-by-step explanation:
given
9 , 15 , 21 , 27
there is a common difference between consecutive terms, that is
15 - 9 = 21 - 15 = 27 - 21 = 6
to obtain terms in the sequence add 6 to the preceding term
27 + 6 = 33
33 + 6 = 39
the next two terms are 33 and 39
(1) You are given 2 choices:
(a) getting $500,000 tax-free for sure, and (b)taking a chance on a gamble that has a probability p of getting $1 million tax-free and probability 1-p of getting nothing. Clearly, if probability p is 100% in the gamble, as a rational and sane person, you will choose the gamble because you will have a 100% chance of getting $1 million; on the other hand, if p is 0%, you will choose $500,000 for sure. Now, by gradually reducing the probability p of getting $1 million in the gamble from 100% towards 0, find the probability p* for you will feel choice
(b) has about the same degree of attractiveness or desirability as (a) to you. Use p* to compute your utility of $500,000.
(2) Repeat (1) by changing choice (a) to getting $200,000 tax-free for sure. Note: the probability p* for the case will generally be smaller than the one for (1).
Answer:
The answer is "0.02%"
Step-by-step explanation:
It will propose the percentage model i.e (\(\frac{500000}{100}=5000\)) to find a good bid Therefore one percentage means \(\$5000\) or one individual gets \(\$5000\) taxable income if the probability is \(1\%\) . For even a chance of \(2\% \ of \ \$10000\)
However if we increase the chances of 0-100% the amount also increases accordingly from 0-1 million, we get much more than $500,000 also as the degree of attraction. In\(\$200,000\) respectively \(0-100\%\) implies that its total will rise appropriately from \(0-\$200,000\). Thus, p* is at \(50\% =\$ 100,000\) .
-3/4x+9 xccccccccccccccccccccccccccccccccccccccccc
Which sequence of transformations proves that shape I is similar to shape II?
The sequence of transformations that proves that the shapes are similar is given as follows:
B. a reflection across the x-axis, and then a dilation by a scale factor of 1.5
How to obtain the transformations?First, we have that the orientation of the figure, hence it was reflected.
The figure was reflected from the second quadrant to the third quadrant, hence the figure was reflected over the x-axis.
The base segment changes from a length of 2 units to a 3 units, hence the scale factor of the dilation is given as follows:
3/2 = 1.5.
Hence option B is the correct option for this problem.
Missing InformationThe missing parts of the problem are given by the image presented at the end of the answer.
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Eula needs to buy binders that cost $4 each and notebooks that cost $2 each. She has $20. The graph of the inequality 4x + 2y ≤ 20, which represents the situation, is shown. What is the greatest number of binders Eula can buy? What is the greatest number of notebooks Eula can buy? If Eula buys 7 notebooks, what is the greatest number of binders she can buy?
The greatest number of binders Eula can buy is 5
The greatest number of notebooks Eula can buy is 10
The greatest number of binders she can buy if Eula buys 7 notebooks is 3/2
What is inequality?It is an order relationship that is greater than, greater than, or equal to, less than, or less than or equal to—between two numbers or algebraic expressions.
We have,
4x + 2y ≤ 20
x = number of binders
y = number of notebooks
The greatest number of binders Eula can buy:
Put y = 0.
4x + 2 x 0 ≤ 20
4x ≤ 20
x ≤ 20/4
x ≤ 5
The greatest number of notebooks Eula can buy:
Put x = 0.
4x + 2y ≤ 20
4 x 0 + 2y ≤ 20
2y ≤ 20
y ≤ 10
Eula buys 7 notebooks then, the greatest number of binders she can buy:
4x + 2y ≤ 20
4x + 2 x 7 ≤ 20
4x + 14 ≤ 20
4x ≤ 20 - 14
4x ≤ 6
x ≤ 6/4
x ≤ 3/2
Thus,
The greatest number of binders Eula can buy is 5
The greatest number of notebooks Eula can buy is 10
The greatest number of binders she can buy if Eula buys 7 notebooks is 3/2
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Answer:
Eula needs to buy binders that cost $4 each and notebooks that cost $2 each. She has $20. The graph of the inequality 4x + 2y ≤ 20, which represents the situation, is shown.What is the greatest number of binders Eula can buy? What is the greatest number of notebooks Eula can buy? If Eula buys 7 notebooks, what is the greatest number of binders she can buy? ⇒ 1
Step-by-step explanation:
Does this graph represent a function? Why or why not?
10
8
6+
4-
2+
6
-10-
OA. No, because it fails the vertical line test.
OB. Yes, because it has two straight lines.
OC. Yes, because it passes the vertical line test.
OD. No, because it is not a straight line.
The graph does not represent a function as it it fails the vertical line test.
What is a function rule?The function rule is the relationship between the input or domain and the output or range. A relation is a function if and only if there exists one value in the range for every domain value.
A function is a relation from a set of inputs to a set of possible outputs where each input is related to exactly one output.
Given data ,
Let the function be represented as A
Now , the value of A is f ( x )
The function has two ranges for a given domain
And , a function is a relation from a set of inputs to a set of possible outputs where each input is related to exactly one output.
So , it is not a function
Hence , the graph is not a function
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The quadratic equation x^2 - 8x = -4 is rewritten in the form (x + p)^2 = q. when q is a constant. What is the value of p ?
Answer:
-4
Step-by-step explanation:
If you multiply out the square, you can see ...
(x +p)^2 = q
x^2 +2px +p^2 = q
The coefficient of the x-term is 2p, so ...
2p = -8
p = -8/2 = -4
Give a pair of corresponding angles, a pair of alternate interior angles, and a pair of alternate exterior angles.
A pair of corresponding angles, alternate interior angles, and alternate exterior angles include the following:
Corresponding angles: ∠1 ≅ ∠5.
Alternate interior angles: ∠4 ≅ ∠6.
Alternate exterior angles: ∠2 ≅ ∠8
What are corresponding angles?In Mathematics, corresponding angles can be defined as a postulate (theorem) which states that corresponding angles are always congruent when the transversal intersects two (2) parallel lines:
∠1 ≅ ∠5
By applying the alternate interior angles theorem to parallel lines m and n, we have the following congruent angles:
∠4 ≅ ∠6
By applying the alternate exterior angles theorem to parallel lines m and n, we have the following congruent angles:
∠2 ≅ ∠8
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Graph the equation. Identify the intercepts.
1.) y + 2 = -4(x - 2)
x-int:
y-int:
For the following equation, the x-intercept is (3/2, 0) and the y-intercept is (0, 6).
What is equation?The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions. For instance, the equation 3x + 5 = 14 consists of the two equations 3x + 5 and 14, which are separated by the 'equal' sign. A mathematical statement known as an equation is made up of two expressions joined together by the equal sign. A formula would be 3x - 5 = 16, for instance. When this equation is solved, we discover that the value of the variable x is 7.
Here,
y+2=-4(x-2)
for x-intercept=(x,0)
2=-4(x-2)
2=-4x+8
4x=6
x=6/4=3/2
for y-intercept=(0,y)
y+2=-4(*-2)
y=6
The x-intercept is (3/2,0) and y-intercept is (0,6) for given equation.
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Jason bought 6 movie tickets and four bags of popcorn Michael bought two movie tickets and three bags of popcorn each bag of popcorn was $5 and they spent $131 total. write an equation to solve.
Answer:
Equation is \(8M + 7P = 131\)
\(M = \$12\)
Step-by-step explanation:
Given
Jason: 6 Movies and 4 popcorn
Michael: 2 Movies and 3 Popcorn
1 Popcorn = $5
Total = $131
Required
- Write an equation to solve
Represent Movie with M and Popcorn with P
For Jason, we have:
6M + 4P
For Michael, we have:
2M + 3P
Add these parameters together
Jason + Michael = $131
\(6M + 4P + 2M + 3P = 131\)
Collect Like Terms
\(6M + 2M+ 4P + 3P = 131\)
\(8M + 7P = 131\)
Hence the equation is \(8M + 7P = 131\)
From the question, we have that
\(P = \$5\)
Substitute 5 for P
\(8M + 7 * 5 = 131\)
\(8M + 35 = 131\)
Solve for M
\(8M = 131 -35\)
\(8M = 96\)
\(M = \frac{96}{8}\)
\(M = \$12\)
Tublu buys a cylindrical water tank of height 1.4m and diameter 1.1m to catch rainwater off his roof. He has a full 2 litres tin of paint in his store and decides to paint the tank (not the base). If he uses 250 ml to cover 1 m2, will he have enough paint to cover the tank with one layer of paint? [take π=3.142]
Answer:
Tublu has more than enough paint to cover the tank surface in one layer coating
Step-by-step explanation:
Height of the cylinder = 1.4 m
diameter of the cylinder = 1.1 m
total volume of paint available = 2 litres
It takes 250 ml to cover 1 m^2 of the tank body
Since only the body is to be painted, we find the perimeter of the circle formed by the body of the tank.
perimeter of the circle formed by the body of the tank = \(\pi d\)
==> 3.142 x 1.1 = 3.456 m
This perimeter, if spread out, will form a rectangle with a height of 1.4 m from the base.
The area of the rectangle that will be formed = (perimeter of the cylinder body) x ( height of the cylinder)
==> 3.456 x 1.4 = 4.838 m^2
This is the area that needs to be painted.
Converting the paint volume,
250 ml = 0.25 litres
To paint the above calculated are, we will need 4.838 x 0.25 = 1.21 litres of paint, (of course, excluding the base)
The volume of paint available = 2 litres
volume of paint needed = 1.21 litres
Tublu has more than enough paint to cover the tank surface in one layer coating
√2x² + 7x + 5√2 = 0
find the roots of the following quadratic equation by factorization method
PLS HELP ME FAST
Step-by-step explanation:
√2x² + 7x +√2=0
2x + 7x + √ 2 =0
√2=9x
x = o.15713484
Jaxon is deciding between two landscaping companies for his place of business. Company A charges $45 per hour and a $150 equipment fee. Company B charges $35 per hour and a $200 equipment fee. Let
A
A represent the amount Company A would charge for
t
t hours of landscaping, and let
B
B represent the amount Company B would charge for
t
t hours of landscaping. Write an equation for each situation, in terms of
t
,
t, and determine the interval of hours,
t
,
t, for which Company A is cheaper than Company B.
Answer:
A
Step-by-step explanation:
It charges cheapeer
Determine whether the triangle is a scalene, isosceles of equilateral
Answer:
Equilateral triangle: All three sides are equal.
Isosceles triangle: All two sides are equal.
Scalene triangle: No sides are equal.
Step-by-step explanation: Step 1: Label the given points as A, B, and C, and plot them as vertices of a triangle with connecting lines to draw the triangle we are working to identify.
Step 2: Calculate the side length AB using the distance formula.
Step 3: Calculate the side length BC using the distance formula.
Step 4: Calculate the side length AC using the distance formula.
Step 5: Compare the side lengths AB, BC, and AC from the previous steps to define the triangle type.
Under normal conditions, 1.5 feet of snow will melt into 2 inches of water. During a winter season high in the mountains, 15 feet of snow fell. How many inches of water will there be when the snow melts?
Express your answer rounded to the nearest tenth of an inch.
Answer:
20 inches of water
Step-by-step explanation:
15 feet / 1.5 feet = 10
10 * 2 inches = 20 inches