(2a−13)÷b15 when a=−25 and b=−8.25

Answer: I think its -5

Step-by-step explanation:

1. (2,-2).  From the origin, go 2 units to the right and two units down

2) (-2,1.5) From the origin, go 2 units to the left and 1.5 units up

3) (-1,[tex]\frac{2}{4}[/tex]) From the origin, go 1 unit to the left and half a unit up

The value of TY using point T as the center of dilation = 12.

A line segment in geometry is a section of a straight line that is enclosed by two clearly defined endpoints and contains all of the points on the line that lies inside those endpoints. The Euclidean distance between two ends of a line segment determines its length.

Here, we have

Given: Line segment XY is dilated to create line segment X'Y' using point T as the center of dilation.

X'Y' and XY are parallels, which means X'Y' = means XY, there is a similarity between the two triangles, we can find YT by using the theorem of Thales,

TY' / TY =TX' / TX =X'Y' /XY,

TY' / TY = TX' / TX = 9/ TY =6/ 2+6=6/8

9/ TY = 6/8

TY= 12

Hence, the value of TY = 12.

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Answer:

In a rhombus, opposite angles are equal, therefore:

m∠S = m∠U = a + 62 degrees

And

m∠R = 2a - 80 degrees

The opposite angles of a rhombus are supplementary, meaning they add up to 180 degrees. So,

m∠S + m∠R = 180 degrees

Therefore,

a + 62 + 2a - 80 = 180

Solving for a, we get:

a = 59

So,

m∠S = a + 62 = 59 + 62 = 121 degrees

Answer:

Step-by-step explanation:

Given triangles, ΔDEF and ΔABC are Similar triangles.

A set of triangles that are the same in shape but different in size is known as the Similar Triangles. In other words, triangles that resemble one another but may not be exactly the same size are said to be comparable triangles. Congruent triangles and similar triangles generally differ from one another. When two triangles are similar triangles then the corresponding angles are equal.

Here we have

ΔDEF and ΔABC  

From the given figures

=> ∠D = ∠A

=> ∠E = ∠B

=> ∠F = ∠C  

Therefore,

Given triangles, ΔDEF and ΔABC are Similar triangles.

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To achieve the same level of pollution at a lower cost, the government could adjust the environmental standards for each plant based on their respective marginal social benefits of pollution.

The government's environmental standards require Plant A and Plant B to reduce their emissions by 60%. The marginal social benefit of pollution for Plant A is $500 and the marginal social benefit of pollution for Plant B is $125. This means that the benefit of reducing one unit of pollution for Plant A is $500, while for Plant B is $125.

This information suggests that Plant A has a higher marginal social benefit of pollution than Plant B. Since the government's standards require both plants to reduce emissions by the same percentage, Plant A will have to reduce a greater amount of pollution than Plant B to reach the same level of emissions. This means that the cost of reducing pollution for Plant A will be higher than the cost of reducing pollution for Plant B.

To achieve the same level of pollution at a lower cost, the government could adjust the environmental standards for each plant based on their respective marginal social benefits of pollution. For example, if Plant A has a marginal social benefit of $500 and Plant B has a marginal social benefit of $125, the government could require Plant A to reduce its emissions by 50% and Plant B to reduce its emissions by 70%. This would achieve the same level of pollution while minimizing the cost of reducing pollution for both plants.

Thus, To achieve the same level of pollution at a lower cost, the government could adjust the environmental standards for each plant based on their respective marginal social benefits of pollution.

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She should not drive due to her BAC level of 0.117 percentage , which is above the legal limit in most states.

1. Calculate total amount of alcohol consumed:

1.5 oz. x 6 shots

= 9 oz.

2. Calculate amount of alcohol in grams:

9 oz. x 28.35 g/oz.

= 254.15 g

3. Calculate BAC:

(254.15 g/10,000 mL) x (155 lbs x 0.45359 kg/lbs) x (1g/1000mg) x (1.2 g/dL)

= 0.117% BAC

The amount of alcohol consumed by Trish was 9 oz. of 37% abv (alcohol by volume) liquor, which is equivalent to 254.15 g of pure alcohol. To calculate her BAC, we need to convert her weight to kilograms and then multiply the amount of alcohol consumed by her weight, taking into account that there is 1.2 g of alcohol per deciliter of blood. After doing the calculations, we can see that Trish's BAC level is 0.117%, which is above the legal limit for driving in most states, so she should not drive.

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Answer:

50276 rounded to the nearest hundred is 50300.

Rounding to the nearest hundred means finding the number that is closest to the original number, but ends in two zeroes. In this case 50300 is the nearest number ending in two zeroes to 50276.

Answer:50300

Step-by-step explanation:

In 50276, the number 2 is in the hundreds place. If the number in the tens place if equal or bigger to 0 round up to get 50300.

Answer:

Equal

Step-by-step explanation:

Since all angles are the same

So the border lines should also be equal

The system of three equations x + y + z = 0, x + 2y + 3z = 0, and 4x + 5y + 6z = 0 has infinitely many solutions because the equations are dependent.

1. x + y + z = 0

2. x + 2y + 3z = 0

3. 4x + 5y + 6z = 0

These three equations form a system of equations that has infinitely many solutions because the coefficients of the variables satisfy the conditions for the equations to be dependent. This means that the equations are not independent, and therefore the system of three equations has infinitely many solutions.

The system of three equations x + y + z = 0, x + 2y + 3z = 0, and 4x + 5y + 6z = 0 has infinitely many solutions because the equations are dependent.

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A single ticket's estimated earnings are around -$0.9442, which indicates that a consumer may expect to lose approximately $0.9442 for each ticket purchased.

To find the expected winnings of a single ticket, we need to calculate the weighted average of the winnings based on the probabilities of winning each prize.

The probabilities of winning each prize are as follows:

1st prize: 1 winner out of 10,000 tickets sold (probability = 1/10,000 = 0.0001)

2nd prize: 3 winners out of 10,000 tickets sold (probability = 3/10,000 = 0.0003)

3rd prize: 5 winners out of 10,000 tickets sold (probability = 5/10,000 = 0.0005)

Consolation prize: 20 winners out of 10,000 tickets sold (probability = 20/10,000 = 0.0020)

No prize: (1 - (probability of winning any prize)) = 1 - (0.0001 + 0.0003 + 0.0005 + 0.0020) = 0.9971

Now, let's calculate the expected winnings:

Expected winnings = (Probability of 1st prize × $3000) + (Probability of 2nd prize × $1000) + (Probability of 3rd prize × $500) + (Probability of consolation prize × $100) + (Probability of no prize × -$2)

Expected winnings = (0.0001 × $3000) + (0.0003 × $1000) + (0.0005 × $500) + (0.0020 × $100) + (0.9971 × -$2)

Expected winnings ≈ -$-0.9442

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The complete question:

A club is holding a raffle. Ten thousand tickets have been sold for $2 each. There will be a 1st prize of $3000, 3 second prizes of $1000 each, 5 third prizes of $500 each and 20 consolation prizes of $100 each. Find the expected winnings of a single ticket.

x  -2        98        498      998     2998

p  .9971  .0020  .0005  .0003   .0001

The amount of flour in the bag (x) plus the amount of flour in the jar (4.5 cups) must be greater than or equal to 12 cups.

x + 4.5 ≥ 12

Solve for x:

x ≥ 7.5

The problem states that Eduardo had 4.5 cups of flour in a jar, and then opened a bag of flour and poured it in until the jar was full. The question is how much flour was in the bag to start? To solve this problem, we can use an inequality. Let x represent the amount of flour in the bag to start. The equation we can use is x + 4.5 ≥ 12, which states that the amount of flour in the bag (x) plus the amount of flour in the jar (4.5 cups) must be greater than or equal to 12 cups. To solve for x, we can subtract 4.5 from both sides of the equation, which yields x ≥ 7.5. This means that the bag of flour must have contained at least 7.5 cups of flour for Eduardo to have enough to fill the jar.

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Answer:  7.5 4.5>12

Step-by-step explanation:

I already had this one and got it right

Isa took 4 hour when  isa go from UK to USA and took 14 hour when she returns and time difference will be 10 hours

What is a definition distance?

the extent or amount of space between two things, points, lines, etc. the state or fact of being apart in space, as of one thing from another; remoteness

when isa travels to the usa for a holiday he leaves the uk at 1.00 pm local time and lands at 5.00 pm local time.

so isa took 4 hour

on the return journey he leaves at 8.00 pm local time and lands at 10.00 am local time the next day

isa tool 14 hour

find the length of the flight in hours and the time difference between the uk and the part of the usa that isa visited

length of flight is 18 hour

time difference will be 14-4 = 10 hour

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The values of x and y are 1.8 units and 1.2 units respectively.

A perpendicular bisector is a line that bisects a line segment in two equal parts and makes an angle of 90° at the point of intersection. In other words, we can say that a perpendicular bisector divides a line segment at its midpoint making an angle of 90°.

Given that, RT = 15x + 5y, RS = 20x - 5y, WT = 40 and ST=21.

Here, RS=RT+ST

20x-5y=15x+5y+21

5x-10y=21 -------(I)

RT=ST

15x+5y=21 -------(II)

Multiply equation (II) by 2, we get

30x+10y=42 -------(III)

Add equation (I) and (III), we get

5x-10y+30x+10y=21+42

35x=63

x=63/35

x=9/5

x=1.8 units

Substitute x=1.8 in equation (I), we get

5(1.8)-10y=21

y=1.2 units

Therefore, the values of x and y are 1.8 units and 1.2 units respectively.

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The value 550 represents the initial deposit into the savings account.The equation 687.5 = 550(1 + 0.05t) is an equation in the form of A = P(1 + rt), which represents simple interest.

The equation 687.5 = 550(1 + 0.05t) is an equation in the form of A = P(1 + rt), which represents simple interest. The equation states that the amount A (687.5) is equal to the product of the initial deposit P (550) and the sum of one and the interest rate (0.05) multiplied by the time t (t is unknown). Thus, the value of 550 represents the initial deposit into the savings account.

The value 550 represents the initial deposit into the savings account.

The equation 687.5 = 550(1 + 0.05t) is an equation in the form of A = P(1 + rt), which represents simple interest.

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Answer:

r=-7

Step-by-step explanation:

Let (x1,y1) be (1,r)and (x2,y2) be (5,1)

Slope m=2

[tex]slope = \frac{rise}{run} = \frac{y2 - y1}{ x2 - x1 } \\ = \frac{1 - r}{5 - 1} = 2 \\ 1 - r = 8 \\ r = - 7[/tex]

Step-by-step explanation:

S = age of Spot

J(S) = the age of John, when Spot is S years old.

J(S) = S + 5

J(0) when Spot was born = 0 + 5 = 5

J(4) when Spot has 4th birthday = 4 + 5 = 9

John will be 9 years old.

The linear model that represents the amount of fuel on the plane is F(h) = 63,500 - 7937.50h

A linear function is a function that has a single variable raised to the power of 1. A linear function increases or decreases by a constant value . As the flight time increases , the amount of fuel declines . Thus, the linear function would be a decreasing function .

The form of the linear function is:

Total fuel left = capacity of the plane - (fuel consumed peer hour  x number of hours )

Total fuel left = 63,500 - [(63500 - 55562.5) x h]

F(h) = 63,500 - 7937.50h

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A collection of six objects can be chosen from one of 120 possibilities. These six configurations comprise BDF, BFD, DBF, DFB, FBD, and FDB.

A permutation is what? The number of possible arrangements for a given set is calculated mathematically, and this process is known as permutation. Simply said, a mutation is a term that refers to the variety of possible arrangements or orders. The arrangement's order is important when using permutations.

Out of the six things A, B, C, D, E, and F, rotations of items B, D, and F (a total of three items) must be listed.

Simply said, we must find every configuration for these three elements.

The three objects can be placed in three ways, which equals (3x2x1) ways, or six.

These six configurations are BDF, BFD, DBF, DFB, FBD, and FDB.

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The negative exponents in the denominator change it into positive exponents are 1/(2⁻³) = 8, 1/(2x⁻³) = (1/2)x³  and 4/(2(3⁻³)) = (4/2)×3³ = 54

If you have a fraction with a negative exponent in the denominator, you can change it into a positive exponent by reversing the fraction and taking the reciprocal.

For example, if you have the fraction 1/(x⁻²) you can change it to x² by flipping the fraction and taking reciprocal: 1/(x⁻²) = 1/(1/x²) = x²

Note that when you have a negative exponent in the denominator, it means that the variable is in the denominator and the reciprocal can be taken to move the variable to the numerator, as shown above.

Thus, we can solve the given questions as follow:

1/(2⁻³) = 2³ = 8

1/(2x⁻³) = (1/2)x³

4/(2(3⁻³)) = (4/2)×3³ = (2)×3³ = 2 × 27 = 54

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This question will require divergent thinking.

The other questions are convergent thinking questions because they require a single, correct answer. However, the question "What are the various uses of a coffee mug?" requires divergent thinking because there is no single, correct answer. Instead, this question requires the respondent to think creatively and come up with a variety of possible uses for a coffee mug.

The question “What are the various uses of a coffee mug?” requires divergent thinking as it requires creative thinking and the generation of a variety of possible uses for a coffee mug.

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Answer:

Step-by-step explanation:

Add 25% of 120 to 120

and you get 150 so boom there it is

Answer : 25% difference

Therefore , the solution of the given problem of equation comes out to be  x−3y−4z=0.

When the equals symbol (=) is used to signify equality, a mathematical equation appears to be a formula that connects two statements. In algebra, a factual assertion called an equation shows that several mathematical variables are equal. An equal sign separates the amounts doc d + 6 and 12 in the formula obd + 6 = 12, for instance. The relationship between the syllables to each side of each letter can be expression mathematically. Frequently, the symbol and the message are identical.

Here,

First, we rewrite the surface equation as

f(x, y, z) =  x² - y²+2z²

y²+22=0

Thus, our role is as follows:

f(x, y, z) = x² - y²+2z²

We employ the Del, or gradients operator, to determine the normal at any given location in vector space:

Vf(x, Y, Z) = x - y + z

When partially differentiating, keep in mind that we only differentiate with respect to the variable in issue and regard the other factors as constants.

Consequently, (x)(2)+(y)(6)+(z)(2)=(1)(2)+(3)(6)+(2) (-8)

2x−6y−8z=2−18+16

2x−6y−8z=0

x−3y−4z=0

Therefore , the solution of the given problem of equation comes out to be  x−3y−4z=0.

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The given curve is a second order, so it is a parabola. The area of the largest rectangle is 32 square units.

What is a curve?

A curve is a mathematical object that is similar to a line but does not have to be straight. A curve can be thought of intuitively as the trace left by a moving point.

Given curve is y = 12 - x².

The vertex of the parabola is on the y-axis. Thus y-axis is a symmetric line of the parabola.

Thus the x-coordinate of the vertices that are lying on the x-axis is the same but the opposite sign.

Thus the y-coordinate of the vertices that are lying on the x-axis is the same.

Thus the x-coordinate of the vertices that are lying on the curve is the same but the opposite sign.

Thus the y-coordinate of the vertices that are lying on the curve is the same.

The y - coordinate of the vertices that are lying on the curve is in form 12 - x².

Assume that the coordinate of the rectangle are A(a,0), B(-a,0), C(-a, 12 - a²), and D(a,12-a²).

The length of the rectangle is 2a.

The width of the rectangle is 12-a².

The area of the rectangle is A = 2a(12-a²).

A = 24a - 2a³

Differentiate with respect to a:

dA/da = 24 -6a² ....(i)

Equate dA/da with zero to find the critical point:

24 -6a² =0

6a² =24

a² = 4

a = ±2

Putting a=2 in A = 24a - 2a³:

A = 24×2 - 2×2³

A = 32

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The given curve is a second order, so it is a parabola. The area of the largest rectangle is 32 square units.

A curve is a mathematical object that is similar to a line but does not have to be straight. A curve can be thought of intuitively as the trace left by a moving point.

Given curve is y = 12 - x²

The vertex of the parabola is on the y-axis. Thus y-axis is a symmetric line of the parabola.

Thus the x-coordinate of the vertices that are lying on the x-axis is the same but the opposite sign.

Thus the y-coordinate of the vertices that are lying on the x-axis is the same.

Thus the x-coordinate of the vertices that are lying on the curve is the same but the opposite sign.

Thus the y-coordinate of the vertices that are lying on the curve is the same.

The y - coordinate of the vertices that are lying on the curve is in form 12 - x².

Assume that the coordinate of the rectangle are A(a,0), B(-a,0), C(-a, 12 - a²), and D(a,12-a²).

The length of the rectangle is 2a.

The width of the rectangle is 12-a².

The area of the rectangle is A = 2a(12-a²).

A = 24a - 2a³

Differentiate with respect to a:

dA/da = 24 -6a² ....(i)

Equate dA/da with zero to find the critical point:

24 -6a² =0

6a² =24

a² = 4

a = ±2

Putting a=2 in A = 24a - 2a³:

A = 24×2 - 2×2³

A = 32

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Complete question is: find the area of the largest rectangle with lower base on the x-axis and upper vertices on the curve y=12−x

2

Volume of the sphere to the nearest cubic cm will be 803.84 cm^3

A sphere has a spherical, symmetrical form. It is a three-dimensional solid with equal distances between each surface point and the center. On the basis of its radius, it has a surface area and a volume. There are no faces, corners, or edges on it.

The collection of all points in three-dimensional Euclidean space that are separated by a certain amount of space, or "radius," is known as a sphere (the "center"). The diameter is equal to twice the radius, and antipodes are pairs of locations on the sphere that are on opposing sides of a diameter.

Volume of sphere[tex]=\frac{4}{3} \pi r^3[/tex]

As we have the value of radius = r=4 cm

We have the value of total scoops = 3 mm

So, by putting the value in the above expression of the volume of the sphere, we will get it as:

[tex]V =\frac{4}{3} \times 3.14(4)^3 \times 3 \\=3.14 \times 256 \\=803.84 \mathrm{~cm}^3[/tex]

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The correct question should be:

Let's Scream for Ice Cream serves 3 scoops of ice cream in its signature cone. Each scoop is a sphere with a radius of 4 centimeters. To the nearest cubic centimeter, what is the total volume of ice cream served per cone?

1/12 OR 0.0083% PROBABILITY is that  sit down in correct age order either clockwise.

The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true.

An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty.

The likelihood that an event will occur increases with its probability. A straightforward illustration is tossing a fair (impartial) coin.

The coin is fair, thus the outcomes "heads" and "tails" are equally likely; the likelihood of "heads" is equal to the likelihood of "tails"; and because there are no other conceivable outcomes, the likelihood of either "heads" or "tails" is 1/2 (which is also an acceptable spelling).

According to our question-

1/5 * 1/4 * 1/3 * 1/2 * 1/1 = 1/120

0.0083

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As you move the graph of the line from left to right, the output value of the function increases.

The slope-intercept definition of a linear function is given as follows:

y = mx + b.

In which:

The slope determines if the function is increasing or decreasing over it's domain, as follows:

A positive slope means that the function increases when it moves from left to right, that is, when x increases.

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Answer:

B) 23

Step-by-step explanation:

We need to find the pattern of the table. As seen on the other parts of the table, the pattern is 2x + 3. Here, x is the input. So, we substitute 10 for x, giving us:

2 * 10 + 3 = 20 + 3 = 23

So, the missing value in the table is B) 23.

Hope this helped!

Answer:

B. 23

Step-by-step explanation: