is it correct? i will brinlist to who answer first​

Is It Correct? I Will Brinlist To Who Answer First

Answers

Answer 1

I don't see the full picture but your answer should look like this:

4ab+(-12ab)+9ab+(-5ab)

= 4ab-12ab+9ab-5ab

= (4-12+9-5)ab

= -4ab


Related Questions

The vertex form of the equation of a parabola is y = 2(x + 4)2 - 7.
What is the standard form of the equation?
O A. x= 2y2 + 8y + 12
X
O B. y= 2x2 + 16x+ 25
O c. y = 4x2 + 4x + 8
D. y = 2x2 + 12x + 12

Answers

y = 2(x+4)^2 - 7

= 2(x^2 +8x +16) -7

= 2x^2 +16x + 25

Therefore, B

Hammers originally priced at $15 are now on sale for $9. What is the discount, as a percentage?

Answers

40% is the discount on the Hammers.

What is Percentage?

percentage, a relative value indicating hundredth parts of any quantity.

Given that Hammers originally priced at $15

In sale the price of Hammers are $9.

We need to find the discount as percentage on Hammers.

original price-New price/ original price × 100 is the percentage of discount

15-9/15×100

6/15×100

0.4×100

40%

Hence, the discount on Hammers is 40%.

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(7) The sum of five consecutive even integers is at least 400 . What is the minimum value of the first even integer? Choose from the following solutions:
A 80
B 70
C 76
D 82

(7) The sum of five consecutive even integers is at least 400 . What is the minimum value of the first

Answers

Answer:

C 76

Step-by-step explanation:

let x = 1st number

let x+ 2 = 2nd number

let x + 4 = 3rd number

let x + 6 = 4th number

Let x + 8 = 5th number

x + x + 2 + x+ 4 + x + 6 + x + 8 = 400  Combine like terms

5x + 20 = 400 Subtract 20 from each side

5x  = 380  Divide both sides by 5

x = 76

Check:

76 + 78 + 80 + 82 + 84 = 400

15 pies a m regla de 3

Answers

Answer:

5m

Step-by-step explanation:

regla de 3:

1m = 3ft

15 pies ÷ 3 = 5m

Marking as Brainliest!!

Marking as Brainliest!!

Answers

Answer:

x = 14.14 mi

Step-by-step explanation:

We know this triangle is a right angled triangle due to the symbol shown in the corner, this means that pythagoras theorem can be used:

\(a^2 + b^2 = c^2\)

However, one of the sides is unknown so we need to change the equation subject to a or b:

\(a^2 = c^2 - b^2\)

Now we can simply plug the values in:

\(a^2 = 15^2 - 5^2\)

\(a^2 = 225 - 25\)

\(a^2 = 200\\\)

Now square root both sides to find a:

\(\sqrt{a^2} = \sqrt{200}\)

\(a = \sqrt{200}\)

a = 14.14

x = 14.14 mi

Hope this helps!

i need help with this question

i need help with this question

Answers

Answer:(2I3O-9247)

Step-by-step explanation:

State the final conclusion in simple nontechnical terms.
Original claim: The proportion of male golfers is less than 0.6.
Initial conclusion: Fail to reject the null hypothesis.
Which of the following is the correct conclusion?
A. There is suffficient evidence to support the claim that the proportion of male golfers is less than 0.6.
B. There is not sufficient evidence to support the claim that the proportion of male golfers is less than 0.6.

Answers

Answer:

B. There is not sufficient evidence to support the claim that the proportion of male golfers is less than 0.6.

Step-by-step explanation:

The proportion of male golfers is less than 0.6.

At the null hypothesis, we test if the proportion is of at least 0.6, that is:

\(H_0: p \geq 0.6\)

At the alternative hypothesis, we test if the proportion is of less than 0.6, that is:

\(H_1: p < 0.6\)

Fail to reject the null hypothesis.

This means that there is not sufficient evidence to conclude that the proportion is less than 0.6, and thus the correct answer is given by option B.

x = 49 is a solution for the equation x - 23=26 true or false

Answers

To check if x = 49 is a solution of an equation, you have to replace the x-value into the equation as follows:

x - 23 = 26

49 - 23 = 26

26 = 26

Given that there is the same number on both sides of the equal sign, then x = 49 is a solution to the equation


24 children were asked which is their favourite colour from a choice of red, blue
green or yellow. Their answers are shown below:
Blue
Red
Red
Green
Yellow
Red
Red
Red
Complete the frequency table.
Colour
Red
Blue
Red
Yellow
Red
Blue
Green
| Yellow 1111
Green
Blue
Green
Blue
Tally
Un Un
un
Analysing and Displaying Data
Yellow
Yellow
Blue
Red
Frequency
Red
Red
Blue
Yellow

Answers

The frequencies will be Red : 6, Blue: 4, Green: 8, Yellow : 1 (half of 2), Pink: 1 (half of 2).

What is a conditional relative frequency?

It is defined as the frequency that can be evaluated by the two-way frequency table. Usually, we can obtain this frequency by dividing the frequency that is not in the total frequency cell to total frequency.

It is given that:

24 children were asked which is their favourite colour from a choice of red, blue

green or yellow

From the data given in the question.

Red : 6

Blue: 4

Green: 8

Yellow : 1 (half of 2)

Pink: 1 (half of 2)

Thus, the frequencies will be Red : 6, Blue: 4, Green: 8, Yellow : 1 (half of 2), Pink: 1 (half of 2).

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24 children were asked which is their favourite colour from a choice of red, bluegreen or yellow. Their

help when i look for an answer here the button to watch an add for the answer doesn't show up.​

Answers

What I understand you saying is you can't find the Ad Pop-up. But is this is a bad thing? No. It will speed up the process of you finishing your homework and you won't get stressed!

Hint: If you have an ad, you can skip to end so it will be faster.

Please help and leave a small explanation if u want brainliest :)

Please help and leave a small explanation if u want brainliest :)

Answers

Answer:

B is true

Step-by-step explanation:

ratio of all corresponding sides are equal

Answer:

B) Triangle ABC is similar to triangle EFG

Step-by-step explanation:

they are similar eve tho they are not the same size. But they arnt congrent cause they are diffrent sizes.

please help!! would apreciatee

please help!! would apreciatee

Answers

The rational numbers are plotted on the number line at the end of the answer.

What are rational numbers?

The rational number set is the set that contains both:

Integer numbers.Fractions, that represent decimal numbers.

To plot integer numbers on a number line, we just mark the number, while usually to plot rational numbers, we have to look at things such as the scale of the line.

The decimal numbers in these number lines are plotted as follows:

-0.2 is located between 0 and -1, to the right of -1 and to the left of 0, and closer to 0, due to the decimal part of .2.7/10 = 0.7 is located between 0 and 1, to the right of 0 and to the left of 1, and closer to 1, due to the decimal part of 0.7.sqrt(2) = 1.4 is located between 1 and 2, to the right of 1 and to the left of 2, closer to 1, but more to the middle of these points.-3/4 = -0.75 is located between 0 and -1, to the right of -1 and to the left of 0, and closer to -1, due to the decimal part of -0.75.9/2 = 4.5 is located between 4 and 5, to the right of 4 and to the left of 5, right at the middle of these points, due to the decimal part of 0.5.5/2 = 2.5 is located between 2 and 3, to the right of 2 and to the left of 3, also right at the middle of these two points.-9/4 = -2.25 is located between -3 and -2, to the right of -3 and to the left of -2, closer to -2.

The points are marked at the lines given at the end of the answer, with the labeled points.

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please help!! would apreciatee
please help!! would apreciatee
please help!! would apreciatee

You pick a card at random. Without putting the first card back, you pick a second card at
random.
2 3 4 5
6
What is the probability of picking an odd number and then picking an odd number?
Write your answer as a percentage.
%
Submit
Work it out
v

Answers

There is a 30% probability of choosing an odd number and an additional odd number.

We must take into account the total number of cards and the number of favourable outcomes in order to calculate the probability of selecting an odd number and then choose an odd number without replacement.

The cards are: 2 3 4 56.

There are five cards in all. There are two even numbers (2, 4) and three odd numbers (3-5).

Out of a total of 5 possible outcomes, 3 favourable outcomes (3, 5, 6) can be used to determine the likelihood of selecting an odd number first.

Picking an odd number first has a 3/5 chance of happening.

There are now 4 cards left, 2 of which have odd numbers (3, 5) and 2 of which have even numbers (2, 4), after selecting an odd number.

Out of a total of 4 possible outcomes, we have 2 favourable outcomes (3, 5) that we may use to determine the chance of selecting an odd number second.

Choosing an odd number second has a 2/4 chance of happening.

Since the two events are separate, we may add their probabilities to determine the likelihood that both will occur:

P(Odd and Odd) = P(Odd first) * P(Odd second)

= (3/5) * (2/4)

= 6/20

= 0.3

We multiply the chance by 100 to express it as a percentage:

P(Odd and Odd) = 0.3 * 100

= 30%

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What is the equation for the following table?* The total cost, y, for a taxi ride depends on the number of miles traveled, x. Distance (mi), x 1 5 10 Total Cost ($), y 2.50 5.00 15.00 27.50​

Answers

Step-by-step explanation:

The slope is $2.50. The intercept is also $2.50 since (0, $2.50) is on the line.

The linear function is then y = $2.50 x + 2.50

How many significant figures are in the number

43.6? 43.6 has [?] significant figures.​

Answers

Answer:

43.6 has 3 significant figures.

What is the mean (average) of the following data set? 3, 5, 7, 8, 9, 4, 2, 1, 3, 8 *

Answers

Answer:

5

Step-by-step explanation:

3+5+7+8+9+4+2+1+3+8=50

50/10=5

NO LINKS!! Given the exponential relationships below, find the following​

NO LINKS!! Given the exponential relationships below, find the following

Answers

Answer:

Exponential Function

General form of an exponential function with base \(e\):

\(f(x)=Ae^{kx}\)

where:

A is the y-intercepte (Euler's number) is the basek is some constant

Question 30

The curve crosses the y-axis at y = 40.  Therefore, A = 40.  

Substitute the found value of A into the formula along with (1, 56) and solve for \(k\):

\(\begin{aligned}f(x) & =Ae^{kx}\\\implies 56 & =(40)e^{k}\\e^k & =\dfrac{56}{40}\\k & =\ln (1.4)\end{aligned}\)

\(\textsf{Equation}: \quad f(x)=40e^{x\ln 1.4}\)

To find the population in 10 years, substitute \(x = 10\) into the found equation:

\(\begin{aligned}\implies f(10)&=40e^{10\ln 1.4}\\ & =1157.01862\\ & =1157\end{aligned}\)

Question 31

The curve crosses the y-axis at y = 10.  Therefore, A = 10.

Substitute the found value of A into the formula along with (1, 18) and solve for \(k\):

\(\begin{aligned}f(x) & =Ae^{kx}\\\implies 18 & =(10)e^{k}\\e^k & =\dfrac{18}{10}\\k & =\ln (1.8)\end{aligned}\)

\(\textsf{Equation}: \quad f(x)=10e^{x\ln 1.8}\)

To find the population in 8 years, substitute \(x = 8\) into the found equation:

\(\begin{aligned}\implies f(8)&=10e^{8\ln 1.8}\\ & =1101.996058\\ & =1102\end{aligned}\)

Consider the following equation.

7−6y=−38−5x
Find the x- and y-intercepts, if possible.

Answers

X= 6y/5 -9

Use the slope-intercept form y=mx+b to find the y-intercept b.
(0,15/2)

Find the minimum and maximum values of the objective function, and the points at which these values occur subject to the given constraints. Round your answers to the
nearest hundredth.

Find the minimum and maximum values of the objective function, and the points at which these values occur

Answers

The minimum value of the objective function is 47, which occurs at the point (3,2), and the maximum value is 117, which occurs at the point (0,9).

To solve this linear programming problem, we need to first graph the feasible region defined by the given constraints:

The first constraint, x ≥ 0, represents the non-negative values of x along the x-axis.

The second constraint, 4x + 8y ≥ 32, can be rewritten as y ≥ -(1/2)x + 4, which is a line with a y-intercept of 4 and a slope of -(1/2). The feasible region is above this line.

The third constraint, 10x - y ≤ 30, can be rewritten as y ≥ 10x - 30, which is a line with a y-intercept of -30 and a slope of 10. The feasible region is above this line as well.

The fourth constraint, x + 6y ≤ 54, can be rewritten as y ≤ -(1/6)x + 9, which is a line with a y-intercept of 9 and a slope of -(1/6). The feasible region is below this line.

The feasible region is therefore the polygon bounded by the lines y = -(1/2)x + 4, y = 10x - 30, y = -(1/6)x + 9, and x = 0. To find the minimum and maximum values of the objective function f(x,y) = 11x + 13y, we need to evaluate this function at each corner of the feasible region and compare the results.

The corners of the feasible region are (0,4), (3,2), (5,4), and (0,9). Evaluating the objective function at these corners, we get:

f(0,4) = 52

f(3,2) = 47

f(5,4) = 89

f(0,9) = 117

Therefore, the minimum value of the objective function is 47, which occurs at the point (3,2), and the maximum value is 117, which occurs at the point (0,9).

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Fill in the blank using the scaling factor that makes the number sentence true. 5.3 × > 5.3 0.886 or 1.00 or 1.003

Answers

The given options, the only value greater than 1 is 1.003. Therefore 0.886, which is less than 1 and makes the inequality true.

The given number sentence is 5.3 × > 5.3, where we need to find the scaling factor that makes the inequality true. To do this, we can divide both sides of the inequality by 5.3. This gives us:

5.3 × x > 5.3 ÷ 5.3 × k

We need to find the value of k that makes the inequality true. Simplifying the right-hand side of the equation, we get:

5.3 ÷ 5.3 × k = k × 1 = k

Substituting this into our equation, we get:

5.3 × x > k

We know that 5.3 × 1 = 5.3, which means that k must be greater than 1 to satisfy the inequality. Among the given options, the only value greater than 1 is 1.003. However, this value would make the inequality too large, so it is not the correct answer.

The correct answer is therefore 0.886, which is less than 1 and makes the inequality true.

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Which planet has these characteristics?

- has two moons that orbit it

- has dust storms on its surface as well as ice

- has seasons


Earth

Venus

Mercury

Mars

Answers

Mars!! Mark as brainlest please
This is easy. The answer is Mars

PLS HELP ME FIND THE MEASURE OF THE ANGLE TY I APPRECIATE YOUR TIME& HELP <333

PLS HELP ME FIND THE MEASURE OF THE ANGLE TY I APPRECIATE YOUR TIME&amp; HELP &lt;333

Answers

Answer:

I think its 90 degrees.

Step-by-step explanation:

Its a right angle

Answer:

180

Step-by-step explanation:

52 + 90 = 142

180-142=38

YXZ =180

(I'm going off based on what I was taught)

Please help me with This question I would really appreciate it

Please help me with This question I would really appreciate it

Answers

Answer:

-3x-2y

Step-by-step explanation:

(-6x+3y)-(-3x+5y)

-6x+3x+3y-5y

-3x-2y

Alice and Bob each have a certain amount of money. If Alice receives n dollars from Bob, then she will have 7 times as much money as Bob. If, on the other hand, she gives n dollars to Bob, then she will have 2 times as much money as Bob. If neither gives the other any money, what is the ratio of the amount of money Alice has to the amount Bob has?

Answers

The ratio of the amount of money Alice has to the amount Bob has is approximately 3.36 : 1.

How to find the ratio of money ?

According to the problem, two equations can be set up:

If Alice receives n dollars from Bob, then she will have 7 times as much money as Bob. This gives us the equation:

A + n = 7(B - n)

If Alice gives n dollars to Bob, then she will have 2 times as much money as Bob. This gives us the second equation:

A - n = 2(B + n)

We can rearrange these equations to make them easier to solve:

8n = 7B - A

3n = A - 2B

Setting these equal to each other, since they are both equal to 24n, gives:

21B - 3A = 8A - 16B

37B = 11A

A / B = 37 / 11

= 3. 36

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Solve by SQUARE ROO
x² - 4 = 76

Answers

The value of x = -4√5 and 4√5

What is value ?

Value in mathematics can refer to a number of closely related ideas. A mathematical value can generally be any specific mathematical object. This is most frequently a number in elementary mathematics, such as a real number like or an integer like 42.

Depending on where it is in the number, each digit has a different value, which is referred to as value. We figure it out by multiplying the digit's place value by its face value. Place value plus face value equals value.

Things that someone values are referred to as values. In other terms, values are what an individual or an organization considers to be "important." Examples include valor, integrity, freedom, and inventiveness.

x² - 4 =76

x² = 76 + 4

x² = 80

x = √80

x = ±4√5

The values of x are -4√5 and 4√5

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Set up equations and solve them to find the unknown numbers in the following cases:

1. Agatha thinks of a number. If she adds 19 to it and divides the sum by 5, she will get 8.

Answers

Answer:

the answer is 21

Step-by-step explanation:

the number she thinks of is 21 add 21 + 19 to get 40.

divide 40 by 5 to get 8.

A company uses the graph to show how many packages each truck driver delivers .How many packages will one truck driver deliver in a 7-hour day?

A company uses the graph to show how many packages each truck driver delivers .How many packages will

Answers

The truck driver would deliver 105 packages in a 7 hours day

What is an equation?

An equation is an expression that shows how numbers and variables are related to each other using mathematical operators.

Let y represent the number of packages delivered by the truck driver in x hours. Using the point (1, 15) and (4, 60). Hence, the equation is:

y - 15 = [(60-15)/(4-1)](x - 1)

y = 15x

For a 7 hour day (x = 7):

y = 15(7) = 105

The driver would deliver 105 packages in 7 hours

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Write the expression that represents the area of the rectangle shown.

Write the expression that represents the area of the rectangle shown.

Answers

Answer:

A = Length × breath

A = 3 × 7

A = a × 4

A = m × m

How do you multiply 6 by 67 by 123 by 6789

Answers

Answer:

1,00,900,987 would be the answer

What rigid motion maps the solid-line figure onto the dotted-line figure?

A. reflection
Brotation
Ctranslation

What rigid motion maps the solid-line figure onto the dotted-line figure?A. reflectionBrotationCtranslation

Answers

The rigid motion of the solid line figure is translated to the dotted line figure.

How to find the rigid motion maps a solid line?

Translation describe a function that moves an object a certain distance.

In a translation, every point of the object must be moved in the same direction and for the same distance.

In translation, the object is not resized, rotated or reflected. The object usually remains the same but it moves a certain distance.

Therefore, the rigid motion maps the solid-line figure onto the dotted-line figure by translation

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