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musickatia [10]
3 years ago
13

Train a and train B left a central station at the same time they travel the same speed but in opposite directions return a headi

ng towards station a and train be heading towards station B train a reaches station a after 4 hours then train be reaching station be after three and a half hour station a station b r 562.5 miles apart what is the rate of the trains
Mathematics
1 answer:
baherus [9]3 years ago
3 0
You go A to B & B 2A + 8 + B to A&A to B&B to a and then you go see 2D to see 2D to see you today to see 2D which equals a + 8 + 8 + 8 + 8 and that's your answer for this question I know it doesn't look like it makes sense but it's correct I think
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Which of the following is not a perfect square a:50 b:49 c:121 d:1
Lostsunrise [7]
50 is not a perfect square because it does not have a perfect square root where as 49 is 7, 121 is 11, and 1 is 1
6 0
3 years ago
Read 2 more answers
1. What's one way we can check our answer to 2 x10 = 20?
allsm [11]
The answer is b
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4 0
3 years ago
Find all the real cube roots of 1000/27 <br><br><br> 10/3 <br> 10/9 <br> -10/9 <br> -10/3
gulaghasi [49]
Can you do prime factoriztion

1000
100 * 10
10 * 10 * 10

27
9 * 3
3 * 3 * 3

cube root (1000/27) = 10/3
7 0
3 years ago
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givi [52]

Answer:

12.8767123288% so maybe 12.9

Step-by-step explanation:


5 0
2 years ago
What is the value of y in this system of equations: 3x + y = 9 y = –4x + 10 ?
Ahat [919]
<span>3x + y = 9 (I)
</span><span>y = –4x + 10 (II)
------------------------
</span>\left \{ {{3x + y = 9 } \atop {y = -4x + 10 }} \right.

Pass the incognito "4x" to the first term, changing the signal when changing sides.
<span>-------------------------
simplify by (-1)
</span>\left \{ {{3x + y = 9.(-1)} \atop {4x + y = 10 }} \right.<span>

-------------------------
</span>\left \{ {{- 3x - \diagup\!\!\!\!y =-9} \atop {4x + \diagup\!\!\!\!y = 10}} \right.     &#10;
<span>
-------------------------
</span>\left \{ {{- 3x = - 9} \atop {4x = 10}} \right.<span>

-----------
</span>\boxed{x = 1}<span><span>

</span></span><span>Substitute in equation (I) to find the value of "Y".

</span>3x + y = 9 (I)
3*(1) + y = 9
3 + y = 9
y = 9 - 3
\boxed{y = 6}

Answer:
\boxed{\boxed{ \left \ {{x=1} \atop {y=6}} \right. }}

6 0
3 years ago
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