Please Help ASAP!!!!!!!!

Answer:

21

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

Hope this helped, and please mark as brainliest! <3

Symbolic Form:

P: National elections deteriorate into TV popularity contests

Q: Smooth-talking morons will get elected

The argument can be expressed as:

If P then Q

Therefore, if not P then not Q

This is a valid argument as it follows the logical form of Modus Ponens. We can verify this using a truth table:

P | Q | P → Q | ¬P | ¬P → ¬Q

T | T | T       | F  |  T

T | F | F       | F  |  T

F | T | T       | T  |  T

F | F | T       | T  |  T

The truth table shows that the argument is valid because the final column (¬P → ¬Q) is true for all four cases. This indicates that if the symbolic form of premise (P) is false, then the conclusion (Q) must also be false.

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Answer:

plot the coordinates(-5,0) (-4,-2) (-3,-2) (-1,4) (0,10)

Step-by-step explanation:

x= -5 y=0

x=-4 = y=-2

x=-3 = y=-2

x=-1 = y=4

x=0 = y=10

x=1 = y=18

x=2 y=28

x=3 y =40

x=4= y= 54

Answer:

2 miles branliest pls

Step-by-step explanation:

Answer:

2miles in 1 hour

Step-by-step explanation:

miles  hours

1/2        1/4

1           2/4

1 1/2      3/4

2          4/4

Answer:

Step-by-step explanation:

First, convert hour into seconds:

Now find the distance:

The requried,  quantities that can be represented by 0 have been mentioned below.

The quantities that can be represented by 0 are:

A. The elevation at sea level (since sea level is defined as 0 elevations)

D. The amount of money in an account in which a person owes money (since a negative balance is represented by 0)

Therefore, the correct options are A and D.

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The length of the other leg of the right triangle is; 89.44 centimetres

According to the question;

By the Pythagoras theorem;

Hence, It follows that;

Find the square root of both sides of the equation;

x = 89.44 centimeters

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Answer:

50\(m^{2}\)

Step-by-step explanation:

\(\frac{4}{25}\) = \(\frac{8}{x}\)

4 x 2 = 8

25 x 2 = 50

The area of bigger room in this question will be 50 square meters.

Given :

The ratio of the areas of the smaller room to the bigger room = 4/25

The area of the smaller room = 8 square meters.

Lets consider area of bigger room as x.

Now let's find the value of x. To do that, we have to equate both the ratio.

(area of smaller room) / (area of bigger room) = 4/25

Substituting the given values we have,

8 / x = 4/25

To get the value of x we have to cross multiply

4 * x = 8 * 25

This results as

4 * x = 200

Now we take 4 to the RHS and it becomes

x = 200 / 4

x = 50

Therefore, we find that the area of the bigger room is 50 square meters.

To learn more about ratio and proportion,

Constraint Equations : \(X + 2Y \leq 16 , X + Y \leq 9 , 4X + Y \leq 24\)

Time required for producing sound bar 'X' = 1 hour of machine A , 1 hour of machine B , 4 hour of machine C

Time required for producing flat screen TV 'Y' = 2 hours of machine A, 1 hour of machine B, 1 hour of machine C

So, constraint for machine A (needed for sound bar & flat screen TV) : \(1X + 2Y \leq 16\)

Similarly, constraint for machine B (needed for X & Y) : \(1X + 1Y \leq 9\)

Also, constraint for machine C = \(4X + 1Y \leq 24\)

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Answer:

First off, the area of a circle should be pi times r squared, not r times pi squared. I will do my math using this correction.

If A = (pi)r^2 then first we can devide both sides by pi, leaving

A/pi = r^2

 To solve for r, we need to take the square root of both sides, leaving

sqrt(A/pi) = r

or

r = sqrt(A/pi)

Step-by-step explanation:

this would be your answer

r = √(A/π)

Step-by-step explanation:

A = πr²

A/π = r²

±√(A/π) = r

But the only thing is that you can't have a negative radius, so you just have to  rewrite  the answer as positive.

√(A/π) = r

Answer:

b

Step-by-step explanation:

the extraneous solution for the equation √ (x + 3) - 1 = x is x = 1 or x = - 2.

We are given an equation:

√ (x + 3) - 1 = x

√ (x + 3) = x + 1

Raise both sides to the power 2, we get that:

x + 3 = x² + 1 + 2 x

x² + 2 x - x + 1 - 3 = 0

x² + x - 2 = 0

x² + 2 x - x - 2 = 0

x ( x + 2) - 1 ( x + 2) = 0

(x - 1)(x + 2) = 0

x = 1 or x = - 2.

Therefore, we get that, the extraneous solution for the equation √ (x + 3) - 1 = x is x = 1 or x = - 2.

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The exact area of each hexagonal shape is 181.5sqrt(3) cm^2. Option B

To determine the exact area of each hexagonal shape formed by the equilateral triangles, we need to calculate the area of one equilateral triangle and then multiply it by the number of triangles that make up the hexagon.

The formula to calculate the area of an equilateral triangle is:

Area = (sqrt(3) / 4) * side^2

Given that the side of each tile measures 11 cm, we can substitute this value into the formula to find the area of one equilateral triangle:

Area = (sqrt(3) / 4) * (11 cm)^2

= (sqrt(3) / 4) * 121 cm^2

= 121sqrt(3) / 4 cm^2

Now, since the hexagon is formed by six equilateral triangles, we can multiply the area of one triangle by 6 to find the total area of the hexagon:

Hexagon Area = 6 * (121sqrt(3) / 4 cm^2)

= 726sqrt(3) / 4 cm^2

= 181.5sqrt(3) cm^2

Therefore, the exact area of each hexagonal shape is 181.5sqrt(3) cm^2.

The correct answer is B: 181.5√3 cm^2.

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Answer:

x = 40

Step-by-step explanation:

1/8x + 15 = 20

         -15    -15

1/8x = 5

x8      x8

x = 40  

Answer:

Hey! The answer to your question is 40

Step-by-step explanation:

First you have to simplify both sides of the equation.

And than you subtract 15 from both sides.

Finally the last step is to multiply both sides by 8.

which will give you:

x = 40

hope this helps!

Answer:

Here is your answer

Step-by-step explanation:

Step -1: Forming equations.

                  Let, present age of son = x

                  And, present age of father = 3x+3

                  3 years later, age of son = x+3

                  age of father = 3x+3+3=3x+6                                  ...(i)

                  According to the given condition, age of father = 10+2(x+3)        ...(ii)

Step -2: Solving for x

                  From (i) and (ii)

                  ∴3x+6=10+2(x+3)

                  ⇒3x+6=10+2x+6

                  ⇒3x−2x=10+6−6

                  ⇒x=10

                  ∴Present age of son = 10 

                  and present age of father = 3x+3=3×10+3=33

Hence, son’s present age is 10 years and father’s 

Answer:

2

Step-by-step explanation:

If you subtract 8from20 there's 11 memeber student councilors left which then you subtract another 8from the remaining 11 students and there would be 3 student councilors left which means

there can only be 2.5 different committees because you can't subtract 3 from 8

Answer:

125790 different committees can be chosen.

Step-by-step explanation:

The principal would like to assemble a committee of 8 students from the 20-member student council.

We need to find How many different committees can be chosen?

Since the order is not important, so we use Combinations to solve the question.

The formula used is: \(^nC_r=\frac{n!}{(n-r)!r!} \\\)

In the question given: we have n = 20 and r = 8

Putting values and finding the number of ways committees can be chosen:

\(^nC_r=\frac{n!}{(n-r)!r!} \\\\^{20}C_8=\frac{20!}{(20-8)!8!} \\^{20}C_8=\frac{20*19*18*17*16*15*14*13*12!}{12!8!} \\^{20}C_8=\frac{20*19*18*17*16*15*14*13}{8!} \\^{20}C_8=\frac{20*19*18*17*16*15*14*13}{8*7*6*5*4*3*2*1} \\^{20}C_8=\frac{5079110400}{40320}\\^{20}C_8=125970\)

So, 125790 different committees can be chosen.

Certainly! Let's consider an example with arbitrary numbers to illustrate the concept.

Let's assume Latoya's Coffee House has the following values:

Available ounces of grade A coffee: 100 ounces

Available ounces of grade B coffee: 80 ounces

Economy blend composition: 4 ounces of grade A coffee and 2 ounces of grade B coffee

Superior blend composition: 5 ounces of grade A coffee and 3 ounces of grade B coffee

Profit per economy blend package: $5

Profit per superior blend package: $7

Now, we can proceed to determine the number of packages of each blend that should be made to maximize the profit for the week.

Let's say Latoya's Coffee House produces 'x' packages of the economy blend and 'y' packages of the superior blend.

Profit for the economy blend: P_economy = 5 * x

Profit for the superior blend: P_superior = 7 * y

The total profit for the week, P_total, is given by:

P_total = P_economy + P_superior

P_total = 5x + 7y

We need to maximize P_total while considering the available ounces of grade A and grade B coffee.

The constraints are as follows:

4x + 5y ≤ 100 (Available ounces of grade A coffee)

2x + 3y ≤ 80 (Available ounces of grade B coffee)

Additionally, 'x' and 'y' should be non-negative since we cannot produce negative packages.

To solve this linear programming problem and find the optimal values for 'x' and 'y', we can use optimization techniques such as the simplex method or graphical methods.

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Answer:

Find the unit rate of each printing machine and compare.

Step-by-step explanation:

Answer:

2400

Step-by-step explanation:

-1/2 x 1/2 = -1x1 / 2x2 = -1/4

The answer is -1/4

Solve for 12 - h(7)

First find h(7)

h(7) = 7^2+3(7)-2

h(7) = 49 + 21 - 2

h(7) = 68

12 - 68 = - 56

12 - h(7) = -56.

I'm not sure if the question wants h(-56) as well, but just plug that in.

H(-56)=2966

hope this helps :)

Answer:3(b+6)

Step-by-step explanation:

The factorization of the expression is 3(b+6).

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

The given expression is 3b + 18​. The factorization of the expression will be done as,

E = 3b + 18

Take 4 as common from the above expression.

E = 3b + 18

E = 3(b+6).

Therefore, the factorization of the expression is  3(b+6).

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If scores on an exam follow an approximately normal distribution with a mean of 76.4 and a standard deviation of 6.1 points, then the minimum score you would need to be in the top 2% is equal to 88.929.

This type of problem can be referred to as a normal distribution problem.

It can be solved by using the z-score.

Formula;

Z = x - μ / σ

Here,

Z represents the standard score

x represents the observed value

μ represents the mean

σ represents the standard deviation

The z- score can be found by using the p-value on a standard table.

As the minimum score to be in the top 2% is needed to be found, p-value = 0.02

z- score that corresponds to the p-value of 0.02 in the standard table is equal to 2.054

Hence,

2.054 = x - 76.4 / 6.1

2.054(6.1) = x - 76.4

12.529 = x - 76.4

x = 12.529 + 76.4

x = 88.929

Hence the minimum score needed to be in the top 2% is calculated to be 88.929

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Answer:

Option (A)

Step-by-step explanation:

Plane is travelling at a constant speed = K miles per hour

K = \(\frac{\text{Distance}}{\text{Time}}\)

Distance = k(Time)

For Time of traveling = 1 hour

Distance traveled = k × 1

                              = k miles

Therefore, k miles will be traveled in one 1 hour and ordered pairs of the given point on the line will be (1, k)

Option (A) will be the correct option.

Answer:

D) 17

Step-by-step explanation:

31 = x + 14

x = 31 - 14

x = 17

Answer:

The answer is D) 2.2km

Step-by-step explanation:

Answer:

-8x + 12

Step-by-step explanation:

It is asking us to simplify.  Therefore, we multiply the terms. -4(2x - 3) =

- 8x + 12

Answer:

-8× + 12

Step-by-step explanation:

-4x (2x - 3) simplify

Apply the distributive property

-4 (2x) - 4 × -3

multiply 2 by -4

-8x -4 × -3

multiply -4 by -3

= -8x + 12

Answer: 8x^5

Step-by-step explanation: you can also go to math-way to get answers

EXPLANATION

Let's see the facts:

------------------------First triangle ----------------------------

First side measure =3

Second side measure = 4

Included angle measure = 62

----------------------Second triangle ------------------------

First side measure = 27

Second side measure= 36

Included angle measure = 62

We have two included and congruent angles because 62=62.

Let's make a representation:

Now, in order to conclude if both triangles are similar we need to prove that the relationship or ratios between the sides is the same, and then, by the S-A-S Postulates, we could infer that both triangles are similar.

First side relationship: 3/27 = 1/9

Second side relationship: 4/36 = 1/9

1/9 = 1/9

As First side relationship = Second side relationship, then the relationship is the same and by SAS Postulate, the triangles are similar.

Are the triangles similar? Yes, by SAS postulate.