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Andre45 [30]
3 years ago
6

Divide 72 in a ratio of 1:3:5

Mathematics
1 answer:
likoan [24]3 years ago
6 0
<span>1+3+5 = 9

72/9 = 8

1 x 8 = 8
3 x 8 = 24
5 x 8 = 40

</span><span>72 in a ratio of 1:3:5 = 8:24:40</span>
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A right triangle has side lengths a, b, and c as shown below.
Marta_Voda [28]

Answer:

Step-by-step explanation:

7 0
3 years ago
Consider the following 8 numbers, where one labelled x
Fittoniya [83]

Answer:  70  and -16

==========================================================

Explanation:

For now, we'll assume x is the largest value (aka the max)

Let's sort the values from smallest to largest.

7, 20, 26, 27, 34, 41, 47, x

We see that 7 is the smallest item, so,

range = max - min = x - 7

Set this equal to 63 and solve for x

x-7 = 63

x = 63+7

x = 70

So x could be equal to 70.

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

Next, we'll assume that x is the smallest value

That means the min is x and 47 is now the max

max - min = range

47 - x = 63

-x = 63-47

-x = 16

x = -16

So if x is the smallest value, then it must be -16

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

Finally, we'll let x be somewhere between 7 and 47

Unfortunately, we can't pin down a specific value here since we could have lots of possible values. Three such examples are x = 8, x = 9, and x = 10. There are many others.

If your teacher is looking for 2 values only, then I would refer to the previous two sections and ignore this section entirely.

8 0
3 years ago
Please help 1-5 and please show how you got the answers
nirvana33 [79]

Answer:

Step-by-step explanation:

1) 2x + y = 3 -(1)

  -3x + 2y = -8 -(2)

  (1) x 2 => 4x + 2y = 6 -(3)

  (3) - (2)

  => 4x + 2y + 3x - 2y = 6 + 8

  => 7x = 14

  => x = 2

  => 2(2) + y = 3

  => y = 3 - 4 = -1

2) 6x + 7y = -9 -(1)

   -4x - 5y = 5 -(2)

   (1) x 4 => 24x + 28y = -36 -(3)

   (2) x 6 => -24x - 30y = 30 -(4)

   (3) + (4)

   => 24x + 28y - 24x - 30y = -36 + 30

   => -2y = -6

   => y = 3

   => 6x + 7(3) = -9

   => 6x = -30

   => x = -5

3) -x - 7y = 9 -(1)

   -x + 9y = -23 -(2)

   (1) - (2)

   => -x - 7y + x - 9y = 9 + 23

   => -16y = 32

   => y = -2

   => -x - 7(-2) = 9

   => -x = -23

   => x = 23

4) -x + 9y = -5 -(1)

    x - 5y = 1 -(2)

    (1) + (2)

   => -x + 9y + x - 5y = -5 + 1

   => 4y = -4

   => y = -1

   => x - 5(-1) = 1

   => x = -5

5) -2x + y = 10 -(1)

     4x + y = -14 -(2)

     (1) - (2)

    => -6x = 24

    => x = -4

    => 4(-4) + y = -14

    => y = -14 + 16 = 2

 

   

   

 

7 0
2 years ago
Brainliest and many poitns FAST
pochemuha

Answer:

you're answer is, 22

4 0
3 years ago
Read 2 more answers
I need help on this..combine like terms and using inverse operations to solve unknown variable!!!
Ierofanga [76]
1. 8x=24          x=3

2 6x - 12 =12.  x= 4

3. -4x+30=-14  x=11

Hope these helps!! I checked the answers and they were all right so dot worry :)
7 0
3 years ago
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