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sukhopar [10]
2 years ago
7

8c=16 please show work:)​

Mathematics
2 answers:
oksano4ka [1.4K]2 years ago
8 0

Answer:

Step-by-step explanation:

8 is multiplying to the letter C, uses the reverse operation, the opposite of multiplication is division. So, 8/16 is 2

Ksivusya [100]2 years ago
8 0

Answer: c=2

Step-by-step explanation:

8c=16

Since 8 is being multiplied by “c” you do the opposite and divide. 8c/8 the 8 cancels out so it just leaves “c” also divide 16 by 8 because what you do on one side you have to do on both sides. 16/8= 2 So the answer is c=2.

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Explain how to find the product of the sum and difference of two terms. Give an example with your explanation.
hjlf
Given two terms a, b.
Sum of terms = a+b
Difference of terms = a-b
Product of sum and difference (do not forget parentheses)
=(a+b)(a-b)
which can be expanded as=a^2-b^2

We can make use of this property to calculate with lightning speed, assuming you know the squares of numbers.

For example,
8*6=(7+1)(7-1)=7^2-1^2=48
9*7=(8+1(8-1)=8^2-1^2=64-1=63
5*15 = (10+5)(10-5)=10^2-5^2=75
22*18=(20+2)(20-2)=20^2-2^2=400-4=396
63*57=(60+3)(60-3)=60^2-3^2=3600-9=3591
128*112=(120+8)(120-8)=120^2-8^2=14400-64=14336
We can go on and on!
8 0
3 years ago
Take a factor out of the square root:<br> sqrt(3y^2) , where y&lt;0
elena-s [515]

factor took out was y^2 , And resultant expression is  y\sqrt{3} .

<u>Step-by-step explanation:</u>

Here we need to Take a factor out of the square root:  sqrt(3y^2) , where y<0 .Let's do this :

The given expression is  sqrt(3y^2) or , \sqrt{(3y^2)}

We know that , to take out a factor out of the square root that factor must have a degree in multiple of 2 , as   x^2,x^4,x^16,(x+6)^2,(x-2)^4  etc . So ,

⇒ \sqrt{3y^2}

⇒ \sqrt{3}(\sqrt{y^2})

⇒ \sqrt{3}(y^2)^{\frac{1}{2}

⇒ \sqrt{3}(y)^{\frac{2}{2}

⇒ y\sqrt{3}

Therefore , factor took out was y^2 , And resultant expression is  y\sqrt{3} .

5 0
3 years ago
Read 2 more answers
Math Question? Help needed.
8090 [49]
It is b 

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8 0
3 years ago
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What is the fraction twelve twentieths in it's simplest form
tatyana61 [14]
We start with 12/20. Half both numbers = 6/10. Half again = 3/5.
Because 3/5 are both odd numbers and can't be made smaller without using decimals (which you don't want to use within a fraction), 3/5 is the simplest form for this fraction.
7 0
4 years ago
Read 2 more answers
Which equation represents the table of values
zzz [600]

Answer:

y=1/3x-2

Step-by-step explanation:

Now first we have to find a pattern in this.

for x_1 we notice that there is a difference of 3. For x_2 we notice that there is a difference of 1.

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4 0
3 years ago
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