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Licemer1 [7]
3 years ago
14

Two numbers are in the ratio of 3:4. If they sum of the numbers is 63, find the numbers

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
6 0

Answer:

27 and 36

Step-by-step explanation:

Let's call the two numbers x and y.

3x=4y \\\\x+y=63

If you subtract y from both sides of the second equation, you can isolate x and substitute it into the first equation:

x=63-y \\\\3(63-y)=4y\\\\189-3y=4y\\\\189=7y\\\\y=27\\\\x=63-27=36

Hope this helps!

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How many different rectangular prisms can he build if he uses all the cubes
pishuonlain [190]
It depends on how you count them. If you describe them by their dimensions, lowest one first, you can have
1 x 1 x 18
1 x 2 x 9
1 x 3 x 6
2 x 3 x 3

Of course, these dimensions can be put in any order.
8 0
3 years ago
How do you find volume of a circle
Sauron [17]

Answer:

V = 4/3 pi r^3  for a sphere

Step-by-step explanation:

You can't a circle is a two dimensional object.

The volume of a sphere, which is the three dimensional form of a circle is found by

V = 4/3 pi r^3

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5 0
3 years ago
I don’t know how to solve it I know the answer is 106 but I don’t know how to solve it
saw5 [17]
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7 0
3 years ago
If a(n)=24 which recursive formula could represent the sequence below? <br> ...,24,88,664,8408,...
sesenic [268]
24= 3*2^3  
88= 11*2^3
664= 83*2^3 -> 83=11+72 = 11 + 2^3*3^2
664=2^3 (11+2^3*3^2) = 88 +(2^3*2^3*3^2) = 88 +(24^2)

8408= 1051 * 2^3 -> 1051= 83+968 -> 968 = 2^3 * 11^2
8408= 2^3 (83+2^3*11^2) = 664 +(2^3*2^3*11^2) = 664 +(88^2)

So: 
a(n) = a(n-1) + a(n-2)^2

Lets check: 88+24^2= 664
664+88^2= 8408


3 1
3 years ago
The pass marks pf a mathematics test is 75% what percentage is the fail marks?
photoshop1234 [79]

Answer:Marks below 75%

Step-by-step explanation:

Since the pass marks is 75%,the fail marks should be Marks below 75%

7 0
4 years ago
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