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4 years ago

72 paper clips to 63 paper clips

2 answers:

8 0

Hey there!

Since there are 72 paper clips as compared to 63 paper clips, we can write this as a ratio.
72:63 is considered a ratio. Ratios are a comparison of two things.

72:63 can be further simplified. In order to simplify this, we can divide both numbers by 9.

72 ÷ 9 = 8
63 ÷ 9 = 7

8:7

Thus, the final answer in simplified form is 8:7

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frosja888 [35]4 years ago

7 0

This can be demonstrated by a ratio.

72:63

Now simplify this.

72/9 = 8
63/9 = 7

8:7

Answer: 8:7

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Please help! .........

stira [4]

Answer:

1) When x is 1, y is 4, and vice versa

2) When x is -6, y is 42, and when x is 7, y is 114

3) When x is -2, y is 2, and when x is 8, y is 42

Step-by-step explanation:

$y=x^2-6x+9$

$y+x=5$ which can be rearranged as $y=5-x$ .

Substituting this lone y into the first equation, you get:

$5-x=x^2-6x+9$

Move everything to one side:

$x^2-5x+4=0$

Factor:

$(x-4)(x-1)=0$

$x=1, 4$

$y=4, 1$

$y-30=12x$ which can be rearranged as $y=12x+30$ .

$y=x^2+11x-12$

Let's use elimination this time and subtract the first equation from the second:

$0=x^2-x-42$

Factor:

$(x-7)(x+6)=0$

$x=-6, 7$

$y= -42, 114$

$y=x^2-2x+6$

$y=4x+10$

Let's set the two equations equal to each other through substitution:

$x^2-2x-6=4x+10$

Move everything to one side:

$x^2-6x-16=0$

Factor:

$(x-8)(x+2)=0$

$x=-2, 8$

$y= 2, 42$

Hope this helps!

6 0

3 years ago

39.6 x 5.20 show your work traditional method

fgiga [73]

Answer:

We have to multiply

⇒39.6 x 5.20 [ Using traditional method]

Traditional method: used by humans when they learnt counting and when fraction came into existence.Suppose something(Area of a field) is divided into parts and another thing(Amount of water used in irrigating the field) is divided into parts and then we have to multiply these two numbers.