Mathematics Middle School

PLEASE HELP THIS ASSIGNEMNT IS TIMED I will give brainliest!!


Two​ trains, Train A and Train​ B, weigh a total of 417 tons. Train A is heavier than Train B. The difference of their weights is 249 tons. What is the weight of EACH​ train?

PLEASE HELP THIS ASSIGNEMNT IS TIMED I Will Give Brainliest!!Two Trains, Train A And Train B, Weigh A

Answers

Answer 1
Subtract 249 from 417 and you’ll get 168 then divide 168 by 2 and you’ll then get 84

So train b is 84 tons

Train A is 249+84 so 333

Related Questions

Write a quadratic function whose graph has a vertex of (3,2) and passes through the point (4,7). f(x)=

Answers

Answer:

y=5(x-3)^2+2

Step-by-step explanation:

You plug the point into f(x)=a(x-3)^2+2... that already has already been solved for the vertex that you want. Then you swap it out for the solution you have solved for.

The required function is [tex]f(x)=5(x-3)^2+2[/tex].

Important information:

Vertex of a quadratic function is (3,2).The graph passes through the point (4,7).Quadratic function:

The vertex form of a quadratic function is:

[tex]f(x)=a(x-h)^2+k[/tex]

Where, [tex]a[/tex] is a constant and [tex](h,k)[/tex] is vertex.

Substitute [tex]h=3,k=2[/tex].

[tex]f(x)=a(x-3)^2+2[/tex]         ...(i)

The graph passes through the point (4,7). Substitute [tex]x=4, f(x)=7[/tex] in (i).

[tex]7=a(4-3)^2+2[/tex]

[tex]7=a+2[/tex]

[tex]7-2=a[/tex]

[tex]5=a[/tex]

Substitute [tex]a=5[/tex] in (i).

[tex]f(x)=5(x-3)^2+2[/tex]

Therefore, the required function is [tex]f(x)=5(x-3)^2+2[/tex].

Find out more about 'Quadratic function' here:

https://brainly.com/question/15280010

Correct the error. Perimeter =4+3+4+5+ = in.


WILL GIVE BRAINLIEST

Answers

Answer: You are missing a 4.

Step-by-step explanation: If you said the answer is 20, 4 is missing. We can add up the follow equation before putting 4.

(4 + 3) + (4 + 5)

   7     +    9 = 16 + 4 = 20.

Hence, 20 is your answer.

I’m pretty sure the mistake is here you are missing 4

When it says square 5, does that mean 5^2 or does it mean [tex]\sqrt{5}[/tex]

Answers

it means the 2nd one .. i cant put that symbol but it is the second one you put

Answer:

what i mostly understand by square 5 is [tex]\sqrt{5}[/tex] because 5^2 would be 5 squared.

Pls help will give brainliest

Answers

Answer: 5, -6

5= x -6= y

X:5, Y:-6
Answer: 5 and -6.

Pls help me ITS DUE TOMORROW
TROLL FOR POINTS= REPORT

CORRECT ANSWER= BRAINLIEST

( NO LINKS )

Answers

g is less than 75

g=12

75-63= 12

Hope this helps!

Answer:  g < 2

Step-by-step explanation:

anything larger than two and it at or be over 75$.

Pls help i have at dead line this is 5th grade math

Answers

Answer:

1/8

Step-by-step explanation:

I hope this helps.

Each friend got 1/8 peice of the pie

Jennifer's group was trying to build the tallest straw tower in the classroom. Each person in her group connected various lengths:

Jennifer: 16 cm, Harry: 20 cm, Brendan: 5 cm and Taylor: 52 cm.

Sort the number sentences that will tell you how tall their tower was.

Answers

93cm. I could be wrong tho. Hope this helps
93m I could be wrong too

please help me out i don't understand this question thanks!

Answers

Answer:

try using radius i think

Step-by-step explanation:

Answer:

Use radius

Step-by-step explanation:My teacher says so

pls answer for free 3 brainliests

Answers

Answer:

Step-by-step explanation:

735$

$735 hope this helps

List at least 3 ways you can use a table or a graph to determine if a function is linear or nonlinear.

Answers

Answer:

1) if you use the graph, it should go in a straight line, if it does, it’s linear.

2) if you use a table, you can see to make sure the numbers go up/down at the same rate

3) if you have a graph and a table, you could always compare both, and make sure they’re both linear

Hey also had the same question and I also got the same answer as a top guy because my teacher went through it

here is 1-12 of the assignment

Answers

1. 5m-6 m=7
5(7)-6
35-6
Answer: 29

2. 4m+t (t=2) (m=7)
4(7)+2
28+2
Answer: 30

3. r/t (r=8) (6=2)
8/2
Answer: 4

4. m*t (m=7) (t=2)
7*2
Answer: 14

5. 5t+2m
5(2)+2(7)
10+2(7)
10+14
Answer: 24

6. r*m
8*7
Answer: 56

7. 3m-5t
3(7)-5(2)
21-10
Answer: 11

8. m*r/t
7(8)/2
56/2
Answer: 28

10. n+16
The sum of a number n and 16.
11. 3.2n
The product of 3.2 and a number n.
12. 25.6-n

I know I already send this all to you, but if anyone else needs help here’s the answers.
Just read this guys ^
|

Kenny is building a box using 2 identical square pieces of wood and 4 identical rectangular pieces of wood, as shown. What is the surface area of the box?

Select one:

84

336

108

434

Answers

Answer:

Step-by-step explanation:

108

Answer:108

Step-by-step explanation:

my brain told me

aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

Answers

Answer:

A

Step-by-step explanation:

I think that it's luster tell me if i am right :)

Please help with this lolll (A, B and, C are NOT answers, they're questions.)

Answers

Answer:

B

Step-by-step explanation:

The answer is b because ¼ can not go in to 2 ½ evenly (A), ¾ can not go into 2 ½ evenly either (c) so the only answer is B!

A = 10 bags
B = 5 bags
C = 3 bags

Fine two integers that have a sum of -17 and a product of 52. What are the integers?

Answers

Answer:

{4, 13}

Step-by-step explanation:

Represent the integers by I and J.  Then I + J = -17 and I*J = 52.

Let's solve this system using substitution.  Solve the first equation for I as follows:  

I + J = -17 becomes I = -J - 17

Substitute -J -17 for   I   in the second equation:

(-J - 17)*J = 52

Performing the indicated multiplication, we get:

-J^2 - 17J - 52 = 0

Let's solve this using the quadratic formula.  The quadratic coefficients here are {-1, -17, -52}, and so the discriminant, b^2 - 4ac, is

(-17)^2 - 4(-1)(-52), or 289 - 208, or 81.  This result is positive, so we know that the quadratic equation has two real, unequal roots.  They are:

      17 ± √81         17 ± 9

J =  --------------- = ---------------

         2(-1)                  -2

Evaluating this last result, we get J = (17 + 9)/2, or J = 13, and

J = (17 - 9)/2 = 8/2, or J = 4

Given the net below calculate the surface area. The sides measure 6 by 4, the top and bottom measure 8 by 6 and the front and back are 8 by 4.

Answers

Answer:

152

Step-by-step explanation:

So first I find the area of the big rectangle going down, which is 14x8=112

And then I do the flap thingies on the side: 5x4=20x2=40

112+40=152

Answer:

152

Step-by-step explanation:

Please give me brainliest, please, I hope this helps

Please answer number 17 and you will get brainliest

Answers

Answer:

Since the shape was formerly a square,ofarea 100in²

Then,Area of square=side×side

100in²=side²

side=√100in²

side=10 inches

Perimeter of the shape=10+10+7+6+5

=38inches

Now a length of 3inches is cut off from the upper horizontal side and a length of 4in is also cut off from the right vertical side.

So now we can say a triangle of base 4in and height 3in is cut off from the square.

Area of cut off triangle=½base×height

=½×4×3=0.5×12

=6 inches ²

So the Area of the shape=Area of square-Area of triangle

=100-6=94inches²

PLEASE GIVE BRAINLIEST

A pair of sneakers that cost $90 last year has now been marked up 25%. Mariel has a coupon that is going to take 10% off the price of the shoes. Is the price that she will pay equivalent to a 15% markup of the original cost of the shoes? Show your work.

Answers

Answer:

Your answer is no.

Step-by-step explanation:

The answer is no because when using the coupon she's only getting 10% off of the price AFTER 25% is added.

10% off of the original price is: $81.00

10% off of the new price is: $101.25

During an annual end-of-year performance review, a team of realtors reported the number of homes sold that year. The histogram shows those sales results. Which of the following statements are true about the home sales data set represented by this histogram? Select all that apply.

Answers

Answer:

There were 7 realtors who sold at least 40 homes

Please help I will reward Brainliest

Answers

Answer:

Here is a list of polygon names depending on the number of sides they have, starting with three and ending with ten.

3 sides - Triangle.

4 sides - Quadrilateral.

5 sides - Pentagon.

6 sides - Hexagon.

7 sides - Heptagon.

8 sides - Octagon.

9 sides - Nonagon.

10 sides - Decagon.

Step-by-step explanation:

Heya, i need help with these 3 questions. thank you a ton!

Answers

Hope this helps! :)
There is an explanation in the photo below, as well as some things to remember!

How do you solve this?

Answers

I think it’s C because the base is 180 degrees so C would be the best response
The answer is 148 the straight line will always be 180 and if you subtract 32 from 180 you get 148

A high school track is shaped as a rectangle with a half circle on either side. Jasmine plans on running three laps. How many yards will Jasmine run? Use 3.14 for Pi.

A. 248.5 yd
B. 490.5 yd
C. 725.5 yd
D. 745.5 yd

Answers

Step-by-step explanation:

= 25 yards ; r = 25/2 = 12.5 yards

circumference of two semicircle = circumference of circle

= 2πr = 2*3.14*12.5 = 78.5 yards

Perimeter of school truck = 78.5 + 85 + 85 = 248.5 yards

Distance traveled by Jasmine = 3* 248.5 = 745.5 yards

Answer:

d

Step-by-step explanation:

i took the test

In ∆DEF, if m∠D is 14 less than m∠F and m∠E is 10 more than twice m∠F, find the measures of each angle.

Answers

Step-by-step explanation:

pag plasin mo kung anong angel ang present para ma kuha mo yung wla

d=f-14, e=2f+10
f-14+f+2f+10=180
4f-4=180
f-1=46
f=46, d=32, e=102

plz help will mark brainliest if correct answer only ​

Answers

Answer:

A

Step-by-step explanation:

I added all frequencies and it equals 50. The frequency for 1 is 8 so the answer would be 8/50. Simplify it and it equals to 4/25.

helpppppppppppppppppppppppp i need an answer

Answers

All you have to do is just put a number for x...so for the first one you could do x=8, because 8 is less that 9. For the second one you could do x= 10, because 10 is greater than 6

In hopes of encouraging healthier snacks at school, Bert brought in a tray of carrot sticks and apple slices to share. He brought 80 carrot sticks and 20 apple slices. What percentage of the snacks were carrot sticks?

Answers

Answer:

80%

Step-by-step explanation:

80/100, 20/100

therefore 80% of the snacks are carrot sticks

Answer: 80%

Step-by-step explanation:

HELP ME!!! I WILL GIVE BRAINIEST!!

Answers

Answer:

the coordinates are 5,-5

sorry if this doesn't help

what expression is equvialent to -6 (-2/3 + 2x)?

Answers

Answer:

the answer is −

1 2 + 4

Step-by-step explanation:

i hope this helps

solve for points.
(no need to explain how you got it.)​

Answers

x all of them

Step-by-step explanation:

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