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Ira Lisetskai [31]
3 years ago
6

20 POINTS!!!!!!!!!! WILL MARK BRAINLIEST!!!

Mathematics
1 answer:
gtnhenbr [62]3 years ago
3 0
Just do b*h/2 for all the triangles.
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It takes the high-speed train x hours to travel the z miles from Town A to Town B at a constant rate, while it takes the regular
STatiana [176]

Answer:

B

Step-by-step explanation:

To solve this, we use ratio.

Firstly, we need to know the number of hours traveled. The total number of hours traveled = x+y

Ratio of this used by high speed train = x/(x +y).

Total distance traveled before they meet = [x/(x + y)] × z

For low speed train = [y/(x + y)] × z.

The difference would be distance by high speed train - distance by low speed train.

= z [ (x - y)/x + y)]

7 0
3 years ago
44, 27, 35, 22, 44, 38, 40<br> Mean , Median_ , Mode
jek_recluse [69]

Mean 35.714 Med 38 Mode 44

Step-by-step explanation:

new arrange from lowest to largest numbers

22 27 35 38 40 44 44

mean = plus of all number/ number

= (22+27+35+38+40+44+44)/7

= 35.714

Median = the central value

= 38

Mode = the most frequency

= 44 (2 numbers)

6 0
3 years ago
Read 2 more answers
Solve each equation. If exact roots cannot be found, state the consecutive integers between which the roots are located.
vodomira [7]

Answer:

x=2

Step-by-step explanation:

x^2+10x+24=0

12x=24=0

12x=24

x=2

My math is rusty so this may not be the right answer.

3 0
3 years ago
There are 59 people going on a field trip.
Maru [420]

You first multiply 6 and 8 to see how many people are put in the vans without rented a van. This would equal 48. You then subtract 48 from 59 to see how many people still need to be in a van. This would leave you with 11 people. Then you divide 8 from 11 to get 1 3/8. This means you need 2 vans to fit everyone.

3 0
3 years ago
What is the common denominator of (5/x^2-4) - (2/x+2) in the complex fraction (2/x-2) - (3/x^2-4)/(5/x^2-4) - (2/x+2)
PIT_PIT [208]

9514 1404 393

Answer:

  • common denominator: (x² -4)
  • simplified complex fraction: (2x +1)/(9 -2x)

Step-by-step explanation:

It is helpful to remember the factoring of the difference of squares:

  a² -b² = (a -b)(a +b)

__

Your denominator of (x² -4) factors as (x -2)(x +2). You will note that one of these factors is the same as the denominator in the other fraction.

It looks like you want to simplify ...

  \dfrac{\left(\dfrac{2}{x-2}-\dfrac{3}{x^2-4}\right)}{\left(\dfrac{5}{x^2-4}-\dfrac{2}{x+2}\right)}=\dfrac{\left(\dfrac{2(x+2)}{(x-2)(x+2)}-\dfrac{3}{(x-2)(x+2)}\right)}{\left(\dfrac{5}{(x-2)(x+2)}-\dfrac{2(x-2)}{(x-2)(x+2)}\right)}\\\\=\dfrac{2(x+2)-3}{5-2(x-2)}=\boxed{\dfrac{2x+1}{9-2x}}

3 0
3 years ago
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