Please help need this answer

Please Help Need This Answer

Answers

Answer 1

A function is a relation for which each value from the set the first components of the ordered pairs is associated with exactly one value from the set of second components of the ordered pair.

(2, 0), (-3, 3), (9, 1), (-3, 5)  NOT

(9, 1), (-3, 4), (2, 1), (9, 2)     NOT

(2, 4), (-3, 2), (9, 1), (-7, 2)     YES

(2, 4), (-3, 6), (2, 3), (-7, 2)     NOT


Related Questions

What is the result when 75 is decreased by 40%

Answers

you do 75×.4, so you get 30. then you subtract 30 from 75 and get 45.

What three numbers multiply to equal 240

Answers

Answer:

8,3, and 10 or 6,4, 10, or 12, 2, and 10

Step-by-step explanation:

You just multiply each of the 3 numbers to equal 240

There are plenty of triples of numbers (x,y,x) that satisfy x*y*z = 240. Some integer candidates include (1,1,240), (1,2,120), (2,5,24), (3,5,16), (4,6,10) and many more. If you don’t restrict your attention to integers, there are even more candidates.

Hope This Helps!!!

-Austint1414

How would I solve this system of equations? 2y+x=-17 5x-4y=-15

Answers

[tex]\left\{\begin{array}{ccc}2y+x=-17\\5x-4y=-15\end{array}\right\\\\\left\{\begin{array}{ccc}x+2y=-17&\text{multiply both sides by 2}\\5x-4y=-15\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}2x+4y=-34\\5x-4y=-15\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad7x=-49\qquad\text{divide both sides by 7}\\.\qquad\boxed{x=-7}\\\\\text{Put the value of x to the first equation:}\\\\2y+(-7)=-17\\2y-7=-17\qquad\text{add 7 to both sides}\\2y=-10\qquad\text{divide both sides by 2}\\\boxed{y=-5}\\\\Answer:\ \boxed{x=-7\ and\ y=-5\to(-7,\ -5)}[/tex]

multiply
your answer should be in a monomial standard form

(7h^3)(3h^7)

Answers

Answer:

21 h^10

Step-by-step explanation:

(7h^3)(3h^7)

Lets multiply

7*3  h^3 h^7

When the bases are the same , we add the exponents (x^a * x^b) = x ^ (a+b)

21 h^(3+7)

21 h^10

[tex]Use\ a^n\cdot a^m=a^{n+m}\\\\(7h^3)(3h^7)=(7)(h^3)(3)(h^7)=(7)(3)(h^3)(h^7)=21h^{3+7}=\boxed{21h^{10}}[/tex]

Brainliest + Points!

Any mathematicians out there?

Which statement is true of normally distributed data?

A.
Approximately 90% of data falls within 2 standard deviations (±2) of the mean.

B.
Approximately 90% of data falls within 3 standard deviations of (±3) the mean.

C.
Approximately 95% of data falls within 2 standard deviations (±2) of the mean.

D.
Approximately 95% of data falls within 3 standard deviations (±3) of the mean.

Answers

the correct answer is C
Approximately 95% of data falls within 2 standard deviations (±2) of the mean.

Approximately 95% of data falls within 2 standard deviations (±2) of the mean is true of normally distributed data. Thus option C is correct.

What is normally distributed data?

Data are presented in the following figure and skew-free in a standard deviation. As one moves away from the center, the values start to taper off and the majority of values are concentrated in this area. In a standard deviation, the measurements of central tendency  are identical.

Just around 95% of the information in a normal distribution should be within three standard deviations from the mean. This is in accordance with The rule that states that One standards standard of the norm contains about 68% of the observations is presented.

Therefore, option C is the correct option.

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some help would be good

Answers

[tex]\frac{\frac{x}{4}+\frac{1}{8}}{\frac{x^2}{4}}=\frac{\frac{2x}{8}+\frac{1}{8}}{\frac{x^2}{4}}=\frac{\frac{2x+1}{8}}{\frac{x^2}{4}}=\frac{2x+1}{8}:\frac{x^2}{4}=\frac{2x+1}{8}\cdot\frac{4}{x^2}=\frac{2x+1}{2x^2}[/tex]

Not sure about my answers so far... Need ️ig help, homies.

Answers

Everything looks good, but I would write LJ = LJ (or JL = JL) for line e just so it's clear you're talking about the same line segment.

Though to be fair, JL is the same as LJ so it really doesn't matter. I guess it will depend on how picky your teacher is.

Also, I almost forgot, but line c should have angle markers so that your teacher knows you are talking about two angles.


[tex] \frac{10(x - y) - 4(1 - x)}{3} = y[/tex]

[tex]7 + x - \frac{x - 3y}{4} = 2x - \frac{y + 5}{3} [/tex]

Answers

so first off, let's simplify both equations, starting off by multiplying both sides by the LCD of all fractions, to do away with the denominators.


[tex]\bf \cfrac{10(x-y)-4(1-x)}{3}=y\implies \stackrel{\textit{multiplying both sides by }\stackrel{LCD}{3}}{10(x-y)-4(1-x)=3y} \\\\\\ 10x-10y-4+4x=3y\implies \boxed{14x-13y=4} \\\\[-0.35em] ~\dotfill\\\\ 7+x-\cfrac{x-3y}{4}=2x-\cfrac{y+5}{3}\implies \stackrel{\textit{multiplying both sides by }\stackrel{LCD}{12}}{12\left( 7+x-\cfrac{x-3y}{4} \right)=12\left( 2x-\cfrac{y+5}{3} \right)} \\\\\\ 84+12x-3(x-3y)=24x-4(y+5) \\\\\\ 84+12x-3x+9y=24x-4y-20\implies \boxed{-15x+13y=-124}[/tex]


now, let's do some elimination on those two simplified equations.


[tex]\bf \begin{array}{cllcl} 14x&-13y&=&4\\ -15x&+13y&=&-124\\\cline{1-4} -x&&=&-120 \end{array}~\hfill x=\cfrac{-120}{-1}\implies \blacktriangleright x=120 \blacktriangleleft \\\\\\ \stackrel{\textit{substituting on the 1st equation}}{14(120)-13y=4}\implies 1680-13y=4\implies 1680-4=13y \\\\\\ 1676=13y\implies \blacktriangleright \cfrac{1676}{13}=y \blacktriangleleft \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill \left( 120~,~\frac{1676}{13} \right)~\hfill[/tex]

A trapezoid in Quadrant III rotates 180° clockwise about the origin. What effect does the rotation have on the signs of the coordinates? A) The signs change from negative to positive. B) The signs change from positive to negative. C) Only the x-coordinate's sign changes from negative to positive. D) Only the y-coordinate's sign changes from negative to positive.

Answers

Answer:

A.The signs change from negative to positive.

Step-by-step explanation:

We are given that trapezoid in quadrant III rotates 180 degrees clockwise about the origin.

We have to find the effect of rotation on the sign of  coordinates .

We know that the transformation rule of rotation 180 degrees about the origin is given by

[tex](x,y)\righatarrow (-x,-y)[/tex]

When a trapezoid lie in III quadrant then the coordinates of all four points are negative because in III quadrant x and y are both negative.

When the trapezoid rotates 180 degrees clockwise about the origin then by using the given rule the sign of coordinates from negative to positive.

Hence, option  A is true.

The signs of both x and y coordinates of a trapezoid in Quadrant III change from negative to positive after a 180° clockwise rotation about the origin, resulting in a new position in Quadrant I.

When a trapezoid positioned in Quadrant III, where both x and y coordinates are negative, undergoes a 180° rotation clockwise about the origin, the signs of both coordinates change. This type of rotation is a half-circle and results in the figure being mirrored over the origin into the quadrant directly opposite Quadrant III, which is Quadrant I. Here, both the x and y coordinates become positive, as any point that was (-x, -y) in Quadrant III will become (x, y) in Quadrant I after a 180° rotation.

This transformation aligns with the properties outlined for rotational symmetry operations, reversing the direction of both the x and y vectors without altering their magnitudes. The correct answer to the student's question is therefore option A: The signs change from negative to positive.

Find m/c
A)24
B)48
C)66
D)132

Answers

7x + 3 = 5x + 9
2x = 6
x = 3
Now 7 x 3 + 3 = 5 × 3 + 9 = 24
90 - 24 = 66 degrees

Use the substitute method to solve the system of equations.
3x+y=10
y=2x
A. (-2,4)
B. (2,-4)
C. (2,4)
D. (4,2)

Answers

Answer:

C

Step-by-step explanation:

plug in y = 2x into the first equation

3x+2x = 10

5x = 10

x = 2


put it into the second equation because its easier

y = 2(2)

y = 4


(2, 4)

Find the sum of 5-9i and -4+7i, subtract 14-3i

Answers

Answer:

-13 -i

Step-by-step explanation:

The first step is to find the sum

5-9i and -4+7i

Add the real parts and then the imaginary parts

5+-4 = 1

-9i + 7i = -2i

5-9i + -4+7i = 1 -2i

Now we subtract 14 -3i

1 -2i - (14 -3i)

Subtract the real parts and then the imaginary parts

1-14 = -13

-2i - -3i = -2i+3i = i

1 -2i - (14 -3i) = -13 -i

3. In the University building, Sara's office is mapped on the coordinate plane at (10,–7) and the cafeteria is at (5,5). Find the distance between them.

Answers

Answer:

13 units

Step-by-step explanation:

Given points (10,–7)  and (5,5)

To find distance between points we apply distance formula

[tex]D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

(x1,y1) is (10,–7)   and (x2,y2) is (5,5)

Plug in the values in the formula

[tex]D = \sqrt{(5-(-7))^2+(5-10)^2}[/tex]

[tex]D = \sqrt{(12)^2+(-5)^2}[/tex]

[tex]D = \sqrt{(144+25)}[/tex]

[tex]D = \sqrt{169}[/tex]

D= 13



A company is testing and comparing two lightbulb designs. The box plots show the number of hours that each lightbulb design lasts before burning out. Which statement is best supported by the information in the plots?

Answers

Answer:

Design B bulbs will likely last longer than design A bulbs

Step-by-step explanation:

The B box  part spans higher numbers than the A box  and  the median of B bulbs is higher than median of the A bulbs.

Answer:

Design B bulb will likely last longer than design A bulbs

Step-by-step explanation:

Got it right on IM

What number completes the following sequence
48, 24, 12, 6

Answers

Answer:

3

Step-by-step explanation:

48 - 24 = 24

24 - 12 = 12

12 - 6 = 6

6 - 3 = 3

Thats the pattern


Plzzz mark brainlest and thank me

3






3x2=6

6x2=12

12x2=24

What is the sum or difference?
a. 5x4 + 4x4
b. 12x5y − 9x5y
A. a. 9x4 b. 3x5y
B. a. 20x16 b. −108x25y2
C. a. 9x8 b. 3x10y
D. a. 9x16 b. 3x25y2

Answers

Answer:

A. a. 9x^4 b. 3x^5y

Step-by-step explanation:

a. 5x^4 + 4x^4

Since these are to the same power, they are like terms and we can add them

9x^4


b. 12x^5y − 9x^5y

Since these are to the same power, they are like terms and we can subtract them.

3x^5y

It would be A hope this helped!

In a probability experiment, Karen flipped a coin 65 times. The coin landed on heads 36 times. What percentage of the coin flips resulted in tails? Round to the nearest percent.

Answers

Answer:23.4% Is the percentage that resulted in tails.



Answer:

23.4%

Step-by-step explanation:

A box of light fixtures cost $43 if you had $600 and wise many boxes as you could how much money would you have left

Answers

Answer:

13 Boxes with $41 left over

Step-by-step explanation:

600/43 = 13.6

43 x 13 = 559

600 - 559 = 41

(5 ×5×5)×-1= simplify

Answers

Answer: -125


Step-by-step explanation:

(5*5*5)*-1

(25*5) *-1

125 * -1

-125

Answer:

-125

Step-by-step explanation:

5*5*5 = 125

125*-1 = -125

A grocer can buy strawberries for $1.38 per pound. write an equation relating c, the cost, and p, the pounds of strawberries.

Answers

Answer:

1.38p=C

Step-by-step explanation:

each pound is $1.38 and pounds is p they have to equal to C, the total.

Which postulate or theorem, if any, could you use to prove the two triangles congruent? If there is not enough information to prove the triangles congruent, write not enough information.

click on pic to enlarge. I really need help in you can solve that would be great

Answers

Final answer:

To prove two triangles congruent, postulates like SSS, SAS, ASA, or the HL Theorem are typically used. The Pythagorean theorem finds the lengths of sides of a right triangle, but does not alone prove congruency without additional information.

Explanation:

Without seeing the specific details of the triangles in question, we cannot definitively say which theorem or postulate would be used to prove them congruent. However, common tools used in proving the congruence of triangles are Side-Side-Side (SSS), Side-Angle-Side (SAS), and Angle-Side-Angle (ASA) postulates, as well as the Hypotenuse-Leg (HL) Theorem which specifically applies to right triangles. From the details given in the question, the Pythagorean theorem is mentioned. The Pythagorean theorem is used to find the sizes of the sides of a right triangle but it does not prove congruence between two triangles. To use it as a part of congruence proof, one usually needs additional information like other sides' measurements or angles' measurements.

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which table represents a linear function?

Answers

the answer is number 3
Answer:

The  table which represents a linear function is:

Last table.

        x         y

        1         -5

        2         0

        3         5

        4         10

Step-by-step explanation:

We know that a function is linear if the rate of change is constant.

i.e. the ratio of difference in y value to the corresponding difference in x value is constant.

i.e. for two values (x,y) and (x',y') the rate of change is given by:

[tex]\text{Rate\ of\ change}=\dfrac{y-y'}{x-x'}[/tex]

In each of the tables we observe that the difference in x-value is constant i.e. 1.

since, 2-1=1

3-2=1

and 4-3=1

Now, the function will be linear for which the difference in the y-value is constant.

a)

        x       y

        1       5

        2       9

        3       5

        4       9      

The difference in the y-value is as follows:

9-5=4

5-9= -4

9-5= 4

Since, the difference is not constant.

Hence, the function is not linear.

b)

        x       y

        1       -5

        2       10

        3       -15

        4        20

 The difference in the y-value is as follows:

10-(-5)=15

-15-10= -25  

20-(-15)=35

Hence, the function is not linear ; since the difference in the y-value is not constant.

c)

        x         y

        1         5

        2        10

        3        20

        4        40

 The difference in the y-value is as follows:

10-5=5

20-10=10

40-20=20

Since, the difference in the y-value is not constant.

Hence, the function is not linear.

d)

        x         y

        1         -5

        2         0

        3         5

        4         10

 The difference in the y-value is as follows:

0-(-5)=5

5-0=5

10-5=5

Since, the difference in the y-value is constant.

Hence, the function is linear.

Mark noticed that his bus is late to school 5% of the time. He wants to design a spinner he can use to simulate the situation and determine the probability that the bus will be late three times next week. How should Mark divide his spinner to best simulate the situation?

Answers

The more painstaking way would be to divide the spinner up into 100 pieces, and shade in 5 of those pieces. Since 5/100 = 0.05 = 5% this means that landing on any of the 5 pieces has a 5% chance of happening.

A better way to do this is to use 20 slices instead. This works because 5/100 reduces to 1/20 (divide top and bottom by 5). Instead of shading in 5 slices, Mark should shade in 1. If you use a calculator, you should see that 1/20 = 0.05 = 5% as well.

The second option is more practical but even then a spinner with 20 sections is still a lot. I think it might be better for Mark to pull random numbers out of a hat, or let the computer generate random numbers.

Mark should divide the spinner in 20 equal sized sections.

What is probability?

Probability is a measure of the likelihood of an event to occur. Many events cannot be predicted with total certainty.

We can predict only the chance of an event to occur i.e., how likely they are going to happen, using it.

The more painstaking way would be to divide the spinner up into 100 pieces, and shade in 5 of those pieces.

Since 5/100 = 0.05 = 5% this means that landing on any of the 5 pieces has a 5% chance of happening.

A better way to do this is to use 20 slices instead.

This works because 5/100 reduces to 1/20 (divide top and bottom by 5). Instead of shading in 5 slices, Mark should shade in 1.

If you use a calculator, you should see that 1/20 = 0.05 = 5% as well.

The second option is more practical but even then, a spinner with 20 sections is still a lot.

It is better for Mark to pull random numbers out of a hat, or let the computer generate random numbers.

Hence he should divide the spinner in 20 equal sized sections.

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Subtract 6 3/5-2 1/4. Simplify the answer and write as a mixed number

Answers

6 3/5 - 2 1/4 = 87/20 = 4 7/20 = 4.35

so 4 7/20 is right
hope this helps

PLEASE HELPPP

In the system of equations, which variable would it be easiest to solve for?

2x+4y=26

3x+y=9


A.The easiest to solve for is x in the first equation.

B.The easiest to solve for is y in the first equation.

C.The easiest to solve for is x in the second equation.

D.The easiest to solve for is y in the second equation.

Answers

The answer is D because you can multiply the second equation by -4
Multiply the bottom equation by 4 and subtract them

Alisa uses 3/4 of a gallon of paint to paint her room better uses for 50 gallon more than Alecia to paint her room how many gallons of paint do they use together

Answers

Answer:

51.5 gallons.

Step-by-step explanation:

Given that amount of gallons of paint used by Alisa [tex]=\frac{3}{4}[/tex]

Given that amount of gallons of paint used by Better [tex]=50+\frac{3}{4}[/tex]

Now we need to find about how many gallons of paint do they use together. To find that we just need to amount of gallons used by both.

[tex]\frac{3}{4}+50+\frac{3}{4}[/tex]

[tex]=\frac{3}{4}+\frac{3}{4}+50[/tex]

[tex]=\frac{6}{4}+50[/tex]

[tex]=1.5+50[/tex]

[tex]=51.5[/tex]

Hence final answer is 51.5 gallons.

You are cabinetmaker who is installing new kitchen cabinets.you need 6 screws for each cabinet door.how many screws will you need to install 20 cabinet doors

Answers

Answer:120


Step-by-step explanation:

20 multiplied by 6 is 120 since 2 times 6 is 12 and add a zero.

The cabinetmaker will need a total of 120 screws to install all 20 cabinet doors.

To find out how many screws will be needed to install 20 cabinet doors, with 6 screws needed for each door, you can use the following calculation:

Number of screws per door x Number of doors = Total number of screws needed

6 screws/door x 20 doors = 120 screws

Eli's Electronics has 60-inch television on sale this week for $798. The television is regularly priced for $1050. By what percent did the price of the television decrease?

Answers

Answer: that would be 76% hope that helps



Step-by-step explanation:


Final answer:

The price of the 60-inch television decreased by 24%. This was determined by subtracting the sale price from the original price, dividing by the original price, and multiplying by 100.

Explanation:

To calculate the percent decrease in the price of the television, we need to find the difference in the original price and the sale price, then divide that by the original price, and multiply by 100 to get the percentage.

Original Price: $1050

Sale Price: $798

So, the difference is $1050 - $798 = $252

The percent decrease is ($252 / $1050) * 100 = 24%. So, the price of the 60-inch television decreased by 24%.

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 Solve the system of equations by the substitution method. Then use the solution to evaluate the expression 2x(−3+y).
6x+2y+1=13+10y−x
5x=y+26−2x
The value of the expression is....

Answers

[tex]\left\{\begin{array}{ccc}6x+2y+1=13+10y-x\\5x=y+26-2x\end{array}\right\\\\\left\{\begin{array}{ccc}6x+x+2y-10y=13-1\\5x+2x-26=y\end{array}\right\\\left\{\begin{array}{ccc}7x-8y=12&(**)\\y=7x-26&(*)\end{array}\right\\\\\text{substitute}\ (*)\ \text{to}\ (**)\\\\7x-8(7x-26)=12\\7x-(8)(7x)-(8)(-26)=12\\7x-56x+208=12\\-49x=12-208\\-49x=-196\qquad\text{divide both sides by (-49)}\\\boxed{x=4}\\\\\text{put the value of x to}\ (*)\\\\y=7(4)-26\\y=28-26\\\boxed{y=2}\\\\\boxed{x=4\ and\ y=2}[/tex]

[tex]\text{Put the values of x and y to the expression}\ 2x(-3+y):\\\\2(4)(-3+2)=8(-1)=-8\\\\Answer:\ \boxed{\text{The valuie of the expression is -8}}[/tex]

what is the absolute value of 8/9

Answers

The absolute value would be 8/9.

The absolute value of 8/9 is 8/9 or |8/9| = 8/9 after using the concept of the absolute value function.

What is the number?

A number is a mathematical entity that can be used to count, measure, or name things. For example, 1, 2, 56, etc. are the numbers.

It is given that:

The number is 8/9.

As we know, if x is any real number then the absolute value of the x can be written as:

|x| = x; x > 0

|x| = -x; x < 0

We have; x = 8/9

|8/9|

and 8/9 > 0

|8/9| = 8/9

Thus, the absolute value of 8/9 is 8/9 or |8/9| = 8/9 after using the concept of the absolute value function.

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