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viktelen [127]
4 years ago
14

The difference between 2 numbers is 8. The sum of the two numbers is 20. Find the number. ​

Mathematics
2 answers:
KATRIN_1 [288]4 years ago
8 0

Answer:

14, 6

Step-by-step explanation:

x-y =8 =>x=y+8

x+y=20

y+8 +y=20

2y=20 - 8

2y=12

y=12 :2

y=6 (the second number

x=6 +8 =14 (the first number

Igoryamba4 years ago
3 0

Answer:

The numbers are 6 and 14

Step-by-step explanation:

Let the two numbers be x and y

x-y = 8

x+y = 20

Add the two equations

x-y = 8

x+y = 20

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

2x = 28

Divide by 2

2x/2 = 28/2

x = 14

Subtract the two equations

x-y = 8

-x-y = -20

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

-2y = -12

Divide by -2

-2y/-2 = -12/-2

y = 6

The numbers are 6 and 14

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Answer:

The corresponding point is <em>(-8, -6).</em>

Step-by-step explanation:

Given that

(-6,-6) lies on the graph of f(x)

A function is represented in the form:

y = f(x)

i.e. (-6,-6) means value of x = -6 is put and value y came out as -6.

f(-6) = -6

Now, we have to find the corresponding point on f(\frac{3}{4}x).

We know the value of f(-6)

Let us find the value of x where \frac{3}{4}x becomes equal to -6

\dfrac{3}{4}x=-6\\\Rightarrow 3x=-24\\ \Rightarrow x =-8

So, let us put value of x = -8 in f(\frac{3}{4}x):

f(\frac{3}{4}\times (-8))\\\Rightarrow f(3\times (-2))\\\Rightarrow  f(-6) = -6(as per given statement)

So, the corresponding point is <em>(-8, -6).</em>

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3 years ago
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Step-by-step explanation:

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3 years ago
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A graduated cylinder with 10.0 mL of water ha mass of 25.0 g. 51 paper clips are added to the graduated cylinder . The total mas
Tatiana [17]

Answer: The density of the paper clips is 0.64 g/ml.

Step-by-step explanation:

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mass of water =  25.0 g

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