Mathematics Middle School

helpppppppppppppp!!!!!!!!!!

Helpppppppppppppp!!!!!!!!!!

Answers

Answer 1
I think the answer is B

Related Questions

If you have a restaurant bill of $47 , what would your total payment be if you wanted to give a 15% tip ?

Answers

Answer:

54.05

Step-by-step explanation:

to get the tip, you multiple 47x0.15, which produces 7.05

you then add it to 47 and get 54.05

Answer:

54 dollars!

Step-by-step explanation:

the tip would be 7 dollars, and 47 plus 7 is 54

We want to solve the following system of equations using the substitution method.
Equation 1- 4p+7q=92/5
Equation 2- 12p+35q=72
Solve for q

Answers

Ok, so you are given the value of P=q+2

The substitution method tells us that we must insert the value we know, into the second equation, 4P+3q= -27

Doing so will give us 4(q+2)+3q= -27

For right now, lets just focus on the first part, 4(q+2)

We can simplify this by distributing(multiplying) the 4 to whats inside the variables.

This will give us 4q+8

now lets add this back to the rest of the equation >>>  4q+8+3q = -27

We can further simplify by adding like terms >>> 7q+8 = -27

subtract the 8 from both sides >>> 7q = -35

now divide both sides by 7 >>> q = -35/7

Therefor q = -5

EDIT*

now that we know q = -5 we can put q into the equation for P !

we know that p=q+2

so lets put q in now >>> p=(-5)+2

and simplify>>> p = -3

I hope this helps:)

It’s -5 when you do the math

Mai is filling her fish tank. Water flows into the tank at a constant rate.




How many gallons of water will be in the fish tank after 3 minutes?

Answers

Answer:

Your answer is:

Time:     Water:

0.5          0.8

1               1.6

3              4.8

25            40

Step-by-step explanation:

Hope this helped : )

1 - 1.6
3 - 4.8
25 - 40
Hope this helps! ☺️

I need an answer for this pls

Answers

Answer:

The GREATER the line the STEEPER the PROPORTIONALITY of X you know you have a constant proportionality when your graph begins at the ORIGIN we can write the equation as y = K x. We find the constant of proportionality by DIVIDING the CONSTANT coordinate by the Y coordinate from an ordered pair.

Step-by-step explanation:

I think I'm not sure you should probably get a second opinion to be sure.

Answer:

The GREATER the line the STEEPER the PROPORTIONALITY of X you know you have a constant proportionality when your graph begins at the ORIGIN we can write the equation as y = K x. We find the constant of proportionality by DIVIDING the CONSTANT coordinate by the Y coordinate from an ordered pair.

(wat she said :))

What is the slope of the line passing through the points (−3, 4) and (2, −1)?
-5/3
3/5
-1
1

Answers

Answer:

-1

Step-by-step explanation:

you use the slope formula for coordinates.

Answer: -1 Ihadtowritemorebcitstooshort                          

help with. question pls I will mark Braileist

Answers

Answer: the 2nd one is the correct answer

Step-by-step explanation:

Answer:

your answer will be 8 units x 6 units

What are the slope and the y-intercept of the linear function that is represented by the graph?

On a coordinate plane, a line goes through points (0, negative 2) and (3, 0).

Answers

Answer:

slope=2/3

y-intercept -2

y=2/3x-2

Step-by-step explanation: You have to do y-y divided by x-x, so 0 mins-2 which equals 2 and 3-0 which equals 3, and then you get 2/3. For the y-intercept, you have to plug in one of the points into x any y so your equation will be -2=2/3(0)+b and then you have to multiply 2/3 and 0 and you get 0 so your equation is -2=0+b and finally, you have to subtract -2-0 which equals -2 and your y-intercept is b=-2.

Answer:

2/3, -2

Step-by-step explanation:

how in the world do i do this? please explain.

Answers

Answer: 62.83in

Step-by-step explanation:

C= 2(3.14)(10)

C= 20(3.14)

C= 62.831853071796

DIRECTIONS: List the values in decreasing order
square root 170, 13.5, 64/5, 13 7/8
please help DUE TODAY

Answers

Answer: (Decreasing Order) 170, 13 7/8, 13.5, 64/5

Step-by-step explanation:

Sqrt 170 = 13.038

Sqrt 13.5 = 3.674

Sqrt 64/5 = 12.8 = 3.577

Sqrt 13 7/8 = 13.875 = 3.724

The values in decreasing order are- 13.5 > 13 > 64/5 > square root 170 > 7/8

What is decending order?

A series arranged that begins with the greatest or largest and ends with the least or smallest is called as descending order.

The given numbers are,

square root 170, 13.5, 64/5, 13 7/8

Before comparing, we need to write all of those numbers in decimal form.

So, converting all the numbers in decimal for,

square root 170 = √70 = 8.336

13.5

64/5 = 12.8

13

7/8 = 0.875

Hence arranging them from highest to lowest,

13.5 > 13 > 12.8 > 8.336 > 0.875

Thus, the decreasing order of original numbers are,

13.5 > 13 > 64/5 > square root 170 > 7/8

To learn more about decreasing order:

https://brainly.com/question/12374949

#SPJ2

Subtract the rational expression

Please show steps

Answers

Answer:

Is there  a multiple choice if yes can u pls add it ill edit my answer after that.

Step-by-step explanation:

You have to cross multiply.

no one helping me ahaahshshahahhaAHHHHHHHHHHHH

Answers

The blue triangle I THINK

Could you help me please!!

Answers

Answer:

8.1 units

Step-by-step explanation:

area = base × height / 2

22.68 = base × 5.6 / 2

Multiply both sides by 2.

45.36 = base × 5.6

Divide both sides by 5.6.

8.1 = base

Answer: base = 8.1 units

The answer is 8.1 units

WILL MAKE BRAINLIEST

Anna, Isabella, Mary, and pilar ran a race. Anna is just ahead of pilar. Pilartwo places behind Isabella. Isabella is a few seconds behind the leader, Mary. Use the table to place the girls in order from first to last.

Answers

Answer: See below for table

Explanation:

What we know:

Mary is 1stIsabella is a few seconds behind MaryPilar is two places behind IsabellaAnna is ahead of Pilar

How to solve:

Using Mary as a starting point, we can make accurate guesses to each person's rank.

Process:

Mary

1st place, known constant

Isabella

2nd place, just behind Mary

Pilar

4th place, 2 places behind Isabella

Anna

3rd place, ahead of Pilar and behind Isabella

Solution:

___________

Place | Name

 1st   |  Mary

2nd  |  Isabella

 3rd  |  Anna

4th    |  Pilar

---------------------

1st Mary 2nd Isabella 3rd Anna 4th Pilar should be correct if it’s like a logic puzzle

Please help! THANKS

A principal collected survey data from 2000 randomly selected students. A total of 923 of these students said they thought the school should devote more money towards athletics. To the nearest percent, what is a good estimate of the percentage of all students who thought this?

Answers

50% of 2000 = 1000
10% = 200
5% = 100
1% = 20
923 as a percentage of 2000 = 46.15% to the nearest percent it would be 46%

Answer:

Im sure the answer on top of me is correct

Step-by-step explanation:

negative 9 tenths minus 2 fifths
A. negative 1 and three-tenths
B. negative 1 and one-tenth
C. negative seven-tenths
D. negative 5 over 10.

Answers

Answer:

A

Step-by-step explanation: plz tell me if its wrong soi can fix it  i hope this helps

2. Write an equation to represent each hanger.
A
B
С
Х
w
2.7
у
Х
1.3
y
5.1

Answers

Answer:

Step-by-step explanation:

A B С Х w 2.7 у Х 1.3 y 5.1.

Please help me I really need to pass this lesson

Answers

Answer:

18 in²

Step-by-step explanation:

Given :-

height (h) = 12 in.

base (b) = 3 in.

To Find :-

Area

Formulas Required :-

Area (triangle) = 1/2bh

Solving :-

= 1/2 x 3 x 12

= 6 x 3

Solution :-

18 in²

Pls answer quickly and correct!

Answers

Answer:

45

Step-by-step explanation:

45 because there is five going down so 5times and 9 between the points so it’s 45

Which of the following best defines an input? (4 points)


An input is the result of a relation or the function rule, usually the y-values in a set of ordered pairs or on a table or graph.

An input is a special type of relation for which there is a rule that pairs each input with exactly one output.

An input is a set of ordered pairs in which no y-value repeats.

An input is the value that determines another based on the relation or the function rule, usually the x-values in a set of ordered pairs or on a table or graph.

Answers

D. An input is the value that determines another based on the relation or the function rule, usually the x-values in a set of ordered pairs or on a table or graph.
D. Hope this helps!!!!

Solve the missing length

Answers

The answer to your question is 7.48

The radius r of a sphere is 6 units. Find the volume of the sphere. Write your answer in terms of pi.
The volume is __ cubic units.

Answers

Radius=r=6units

[tex]\\ \rm\rightarrowtail V=\dfrac{4}{3}\pi r^3[/tex]

[tex]\\ \rm\rightarrowtail V=\dfrac{4}{3}\pi 6^3[/tex]

[tex]\\ \rm\rightarrowtail V=\dfrac{4}{3}\pi 216[/tex]

[tex]\\ \rm\rightarrowtail V=72(4)\pi[/tex]

[tex]\\ \rm\rightarrowtail V=288\pi units^3[/tex]

Brainliest + 35 Points

In every circle, there is a special relationship between the circumference and the diameter. Determine the decimal value of the ratio of the circumference to the diameter to the nearest hundredth for each circle. Recall that the fraction bar represents division.

Answers

Answer:

Step-by-step explanation:

Circles are all similar, and "the circumference divided by the diameter" produces the same value regardless of their radius. This value is the ratio of the circumference of a circle to its diameter and is called π (Pi).

Answer:

It's 3.14 for each one.

Explanation: The value of pi is 3.14, and it doesn't change depending on the size of the circle. You're welcome! :)

hi can somone tell me what this means: ∑

Answers

Answer:

indicates summation and is used as a shorthand notation for the sum of terms that follow a pattern

Step-by-step explanation:

Construct a quadrilateral that has one set of parallel sides and at least one 60* angle. What type of quadrilateral did you construct? Is this a unique quadrilateral? Explain why or why not.

Answers

Answer:

Trapezium

Yes it is a unique quadrilateral

Step-by-step explanation:

it’s uniqueness lies on having only a set of parallel side while most others has more

andrew is applying for a job which requires him to type at least 120 words per minute. he took an 850-word typing test in 7 minutes. does he meet the job requirements?

Answers

Answer:

yes

Step-by-step explanation:

yes, andrew types approximately 121 words per minute

Yes, as 120 divided by 7 is about 121.

the screen shots are attatches please help i will give brainliest. inches to miles

Answers

Answer:

2,500 miles per inch

Step-by-step explanation:

i devided it

tell me if i understud the question wrong

2,500 miles per square inch

PLEASE HELPPPP MEEEEEE

Answers

b are greater because they are clustered towards the right of the graph thus making it a greater value
b is greater because it’s higher in the graph

Estimate using the clustering method. 36.61 + 35.907 + 37.2

brainliest for whomever is the first correct answer.

Answers

Answer:

108

Step-by-step explanation:

Hope it helps also give me brainliest

Answer:

30+30+30=90

Step-by-step explanation:

(15 POINTS) In this Truss bridge, which of the following line segments appear to be perpendicular to each other?
A. AC and GD
B. CG and DE
C. AH and FE
D. AH and HC

Answers

D because if you connect them AH and HC make a 90 degree angle
D. Ah AND HC is the answer

ILL GIVE BRAINLIEST!!

Answers

Area = 22/5 * 5/2 * 1/2 = 11/2 = 5 1/2
Answer: A

Hope that helps :)
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