Mathematics Middle School

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Is the graph shown below that of a function?

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Answer 1

Answer:

Yes

Step-by-step explanation:

because it is a piecewise function which is a function

Answer 2

Answer:

I am on a similar unit and I believe no, this is not a function

Related Questions

Look at the chart and answer the question. Which country has about four times as much helium as Canada?

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Canada is 4, and you multiply it by 4 the answer is 16, then choose the closest percentage, so the answer is Algeria

Auto Tech charged Mrs. Smith $90.00 for an automotive part plus $53.00 per hour
that a mechanic worked to install the part. The total charge was $328.50. For about how
long did the mechanic work to install the part on Mrs. Smith’s car?

Answers

Answer:

The precise answer is 3.99588235. But you would round that to 4 hours.

Answer:

4.5 hours

Step-by-step explanation:

subtract the 90.00 from 328.50, ten you should get 238.50 which you'll divide by 53 and get 4.5 hours

(PLEASE ANSWER)
You have 2 different savings accounts. For Account A, the simple interest earned after 3 months is $0.90. For Account B, the simple interest earned after 18 months is $22.50. If the interest rate is 3.6%for Account A and 2.5% for Account B, how much is the principal in each account? Which account earned you the most interest the first month? Explain your answer.

Account A has a principal of $BLANK. (Round to the nearest dollar as needed.)

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Answer:

Mate it has been two months do you still need this

Step-by-step explanation:

Need helpp fastt plss will give brainliest to who is correct plss helpp

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Answer:

1/4 times 3.

1/4 of 3.

number of fourths in 3.

Step-by-step explanation:

1/4 times 3 is the correct answer

The table shows the approximate height of a football after it is kicked. Tell whether the rates of change for successive time intervals are constant or variable

Answers

Answer: 36, 13, -10

The rates of change are variable.

Step-by-step explanation:

The rates of changes of the heights of a football after it is kicked with respect to the time for this case are 34, 12 and -10 . The rates of changes are variable.

What is a variable and a constant?

A variable is a quantity that changes in its value, but a constant remains fixed.

How to measure the rate of change of something as some other value changes?

Suppose that we have to measure the rate of change of y as x changes, then we have:

[tex]Rate = \dfrac{y_2 - y_1}{x_2 - x_1}[/tex]

where we have

[tex]\rm when \: x=x_1, y = y_1\\when\: x = x_2, y= y_2[/tex]

Remember that, we divide by the change in independent variable so that we get some idea of how much the dependent quantity changes as we change the independent quantity by 1 unit.

(5 change per 3 unit can be rewritten as 5/3 change per 1 unit)

For this case, we get the rates as:

For rate between first two values,

[tex]Rate_1 = \dfrac{y_2 - y_1}{x_2 - x_1} = \dfrac{17-0}{0.5-0} = 34[/tex]

For rate between second two values,

[tex]Rate_2 = \dfrac{y_2 - y_1}{x_2 - x_1} = \dfrac{30-17}{1.5-0.5} = 13[/tex]

For rate between third two values,

[tex]Rate_3 = \dfrac{y_2 - y_1}{x_2 - x_1} = \dfrac{25-30}{2-1.5} = -10[/tex]

We see that the rate of change of height of the football considered with respect to time is changing, so its a variable.

Thus, the rates of changes of the heights of a football after it is kicked with respect to the time for this case are 34, 12 and -10 . The rates of changes are variable.

Learn more about rate of change here:

https://brainly.com/question/15125607

#SPJ2

3. Damien paints 1/5 of a room in 5/12 hours what unit rate describes this situation

Answers

Answer:

0.48 of the room per hour

Step-by-step explanation:

your welcome

It takes 2 1/2 hours to paint each room

Henry divided his socks into five groups. Let s represent the total number of socks. Which expression and solution represent the number of socks in each group if s=20?

A. S/5; when s=20, the number of socks in each group is 4.

B. S/5; when s=20, the number of socks in each group is 15.

C. S-5; when s=20, the number of socks in each group is 4.

D. s-5; when s=20, the number of socks in each group is 15.

Answers

Answer:

A. 4 socks per group and S/5

Step-by-step explanation:

20 total # of socks ÷ 5 groups = 4 socks per group

So A. is correct.

Out of every 8 loaves of bread that Markelle bakes, 5 of them are pumpkin bread.

At this rate, how many loaves of pumpkin bread would he have if he baked a total of 40 loaves of bread?

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25 loaves of pumpkin bread

Answer: 25

If you take 8 and 5 then double Rachel number until you get 40 on the 8th side or just multiply each number by 5 then see if it makes sense

Mrs. Green purchased 3 4/5 pounds of pecans. What is the decimal value equivalent to the pounds of pecans purchased.

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Answer:

The answer is 3.8

Step-by-step explanation:

hope that helps

Bobby Joe made a mistake on his assignment on Combining Like Terms. Can you help Bobby Joe? For full points on this question:

Tell me what he did RIGHT!

Tell me the mistake that Bobby Joe made

Tell me the correct way to combine like terms in this expression

6x + 5x + 2y
11x + 2y
13xy

Answers

Answer:

Bobby added 6x and 5x which was correct because they're like terms

Bobby then combined 11x and 2y which was incorrect, they're not like terms because they have different variables

to correct his mistake he has to stop simplifying the equation at 11x + 2y because that is as far as you can simplify it

Bobby Joe has done combination properly till [tex]11x + 2y[/tex] because, [tex]6x + 5x[/tex] are like terms and has common variable [tex]‘x’[/tex] but, he messed up when he started combining [tex]11x + 2y[/tex]because, they are not at all like terms and doesn't have common variable. So, to recover it he should stop combining till [tex]11x + 2y[/tex].

what is the distance between X(-3,4) and Y(2,1)
A. 2.8
B. 5.8
C. 4.0
D. 3.2
I think it's B but I need to know if it's right.

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Answer:yes the answer is B

Step-by-step explanation:

B would he your answer!!

GUYS HELP I WILL GIVE BRAINLYIST
;)

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Levi Ackerman I looked it up

Help please tysvmmm !!!!!11

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Answer:

D,4 times as large as the expressian

Step-by-step explanation:

because 4x is multiplucation so it means that it multiplys that number

I NEED HELP THIS IS DUE IN AN HOUR!!!!!

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B = 1
W = 28
unless theres more info

B = 1

W = 28

Explanation:

Find the value of x in each pair of similar figures. Use proportions to solve.

Answers

Answer:

5•3=x/15

Explanation:

If m = -4 and n = 7, what is the value of m - n?

11
-3
-11
3

Answers

Answer:

-11

Step-by-step explanation:

-4 - 7 = -11

-4-7=-11. Negative and negative are not next to each other, so it doesn’t become positive.

I will give brainliest if you get it right and 1st please answer this question?!

Answers

Answer:

2,3 and 6

1 is not
2 is
3 is
4 is not
5 is not
6 is

Helpp A car used 1/64 of a gallon of gas to drive 1/4 of a mile. At this rate, how many miles can the car travel using 1 gallon of gas?

Answers

Answer:

I think it is 16 not sure sorry.

Step-by-step explanation:

1 gallon divided by 1/64 is 64 times 1/4 which is 16.

tha car can travel 16 miles by usin 1 gallon of gas

A watering can dispenses water at the rate of 0.20 gallon per minute. The original volume of water in the can was 8 gallons. Which set of ordered pairs shows the volume of water in the can in gallons (y), as a function of time in minutes (x), from the first minute after can starts dispensing water? (1 point)

{(7.8, 1), (7.6, 2), (7.4, 3)}

{(1, 7.8), (2, 7.6), (3, 7.4)}

{(8.0, 1), (7.8, 2), (7.6, 3)}

{(1, 8.0), (2, 7.8), (3, 7.6)}

Answers

Answer:

b 1,7.8

Step-by-step explanation:

its easy

Answer:

Step-by-step explanation:

Its c

answer this question please :)

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Answer:

Step-by-step explanation:

The 7/1 is 7, and (15-1)/2 is7, which is then the slope. Since the first x is 1, the x intercept is 1

Answer A he explained it right

David moved from a house that is 89 miles away from his workplace to a house that is 51 miles away from his workplace. What is the percent decrease in the distance from his home to his workplace? (round answer to the nearest whole number

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38/89 is about 42.7 % (do the division, then to get percentage, shift decimal point 2 places to the right)

Which equation has the solution x = 5?

Select EACH correct answer.

25x+4=9

3x + 1 = 9

x5+5=6

18−2x=9

11 + 6x = 22

32−4x=12

Answers

it would be 32-4x=12 !

Answer:

if your in k12 6.03 Quiz: Solve Equations by Substitution this should be right

Step-by-step explanation:

btw if ur not in k12 it should still be right

Please help. and put a explanation because I need it lol (if you can )

Answers

Answer:

I am pretty sure it's the first one with the table

Step-by-step explanation:

All of the numbers from the x side can be times by 4 to get the y value and that goes for all of the x values which means that it is proportional

Answer:

I think its either the first one

Step-by-step explanation:

Because we can see 3 times 4=12

6 times 4=24

9 times 4 =36

answer the following: 5 x (2)³

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Answer:

Step-by-step explanation:

5 x (2)³

PEMDAS says exponents first

5 x 8

Then multiply

Answer:

Step-by-step explanation:

first find 2^3 which is 8

then 8*5 which is 40

PLEASE SOLVEEEEEEE!!!!!!!!!!!!!!!!!!!!!!!!!!!

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I think the answer is -6

The answer: -2,5
-2-3/2
-5/2
-2,5

Rodrick and Valentina drove to the coast. Rodrick drove 38 9−− 10miles. Then Valentina drove the last 51 3− 5miles. How far did they drive to the coast?

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I believe the answer would be 69 1/2 and/or 69.5

15 miles?? im in 5th i don't really know this sorry

please help! its math and im so confused!

Answers

Answer:

1. =8

2. =9

3.=20

4.=3

1. a+5 . a=3 so the answer is 8
2. 15-c. c=6 so the answer is 9
3. 4b . b=5 so the answer is 4X5= 20

please help i don't understand. will mark brainliest. answer both questions

Answers

Answer:

both should be rise

Step-by-step explanation:

Answer:

Slope of a horizontal line. When two points have the same y-value, it means they lie on a horizontal line. The slope of such a line is 0, and you will also find this by using the slope formula.

Step-by-step explanation:

this is the answer to question #2. now mark me as the brainlest!

$7.50 meal; 6.5% tax _____

Answers

Answer:

14.0

Step-by-step explanation:

$7.50 meal + your 6.5$ tax.

We add those and it will equal 14.00

We need to add 100% to it so now it's: 106.5%

Now we need to change it to a decimal and we do that by moving the decimal two spaces to the left.

106.5 = 1.065

We now multiply 1.065 and $7.50

7.50 × 1.065 = 7.9875

We need to round it so now it's $7.99

Please help this is due tmr, Don't answer the question if you have no answer or ideas. Im not trying to be rude but I really just need help. :(

Think about how you can use absolute value notation to express the distance between two points on a coordinate graph. For each pair of points below, find the distance between the given points and express your work using absolute value symbols. Explain or Show your work.

1. (4, 9) and ( –5, 9)

2. (7, –1) and (7, –4)

3. (0, 9) and (0, –7)

4. (4, –8) and (–10, –8)

Answers

Answer:

watch Khan academy video it should explain everything on absolute value and whatever else u need help with it has probably multiple videos for each unit in math

4 is the correct answer

Other Questions

Choose twocyclicalA) irregularB)recurringC) patternD)random What is wrong with Billys tea? From the landlady which point satisfies the system of equations y = 3x - 2 and y = -2x + 31. A2. B3. C4. D An object has a mass of 67.4 ounces and a volume of 13.8 cups. What is the density? _______ oz/cup (your answer should *only* be a number, round to one decimal place if needed) * Tam, a college student, accidentally drops a pair of scissors on his foot one night, and the sharp edge cuts his foot. The cut does not stop bleeding, and Tam realizes he had forgotten to take his pills that morning. He goes to the campus emergency center and tells a nurse what had happened. What would a nurse most likely do to stop the bleeding quickly and effectively? apply a hemostatic drug directly on the cut so that clotting factors from the drug help the blood to clot apply clopidogrel directly on the cut so that platelet aggregation is inhibited and blood is able to come together in a clot administer a shot of a hemostatic drug in the arm so that the liver produces fewer clotting factors administer a shot of heparin deep into a vein in order to block clotting factor X and stop heavy blood flow to the foot Which expression is represented by the diagram?10 negative tiles. 4 are crossed out. Which of the following BEST defines a Political Action Committee (PAC)?A.a type of lobby that raises money for Congress members with similar viewsB.a type of political party that opposes both Republican and Democratic viewsC.groups whose sole focus is to represent minority views and opinionsD.a political alliance within the Senate known for stall tactics like filibustering Calculate the mass of 0. 4 moles of water. According to the passage, of all the areas of anElizabethan woman's life, the one that was mostresponsible for the woman's lack of independence was Then after a long time, I came to America to be in a great show for Mr. Ziegfeld, and you know Josephine was happy. You know that. Because I wanted to tell everyone in my country about myself. I wanted to let everyone know that I made good, and you know too that that is only natural.Identify one type of rhetorical devices used in paragraph and what sentence is it? Please help on the image below. I NEED HELP ASAP!!! PLEASE AND THANK YOU! 1. At the beginning of the performance,with what, according to the speaker,does April shower her? 3/8 of the homes have a red door how many homes have a red door Find the midpoint of the segment with the following endpoints.(6, 4)(9,9) Selling and administrative expenses include all of the following except:____________. a. shipping document preparation. b. post-sale technical support. c. factory overhead. d. customer return processing. Which is the correct decimal representation of 13/40 What is exerted when atoms collide with the walls of their container?O gravityO pressureO stressO friction Hi I need help can you guys look at the screenshots thanks if the answer is correct I will give Brainliest if the answer is correct. who won the election of 1828? please help this is due in 8 mins

HELP NOW PLS Is the graph shown below that of a function?

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HELP NOW PLS
Is the graph shown below that of a function?