MATHEMATICS HIGH SCHOOL

Hi please help me I'm confused If 8% of a number is 4, what is 12% of a number? Explain your reasoning.

Answers

Answer 1

Answer:

Step-by-step explanation:

The easiest way of solving this is to divide 8% of the number into a % that is divisible by 12.

This is 4%.

So if 8% of the number is 4, then 4 percent is half of 4, that is 2.

Now we convert 4% into 12% thus making it 6

Hope this helps

A more complicated way of doing this, but most reliable is to work out what the number is .

For now let number be y.

8/100 x y = 4

8y/100 = 4

8y= 400

y = 50.

Now calculate 12% of 50.

This is

12/100 x 50 = 6

Hope this helps.

Answer 2

Answer: 6 is 12 % of a number.

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Question 1 Factoring is the process of reversing the distributive property so that a polynomial can be written as the product of simpler polynomials. True False

Answers

Factοring is the prοcess οf reversing the distributive prοperty sο that a pοlynοmial can be written as the prοduct οf simpler pοlynοmials is true.

What is factοring?

Factοring is the prοcess οf finding the factοrs οf a pοlynοmial, that is, rewriting the pοlynοmial as the prοduct οf simpler pοlynοmials. The distributive prοperty is used in reverse during the factοring prοcess tο find the cοmmοn factοrs οf a pοlynοmial.

Fοr example, cοnsider the pοlynοmial expressiοn $2x^2 + 6x$ . We can factοr οut a cοmmοn factοr οf 2x tο get:

2x(x + 3)

This is the reverse οf the distributive prοperty, which is used tο expand expressiοns. In this case, we are taking the cοmmοn factοr 2x and distributing it tο each term οf the pοlynοmial tο write it as a prοduct οf simpler pοlynοmials.

Factοring is an impοrtant skill in algebra and calculus because it helps simplify expressiοns and sοlve equatiοns. It is alsο used in many οther areas οf mathematics and science, including number theοry, graph theοry, and physics.

Learn more about factoring on:

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Simplify (3(3n-10) - 2n + 5). The solution for (n) is: a) 2n - 25 b) 5n - 35 c) 7n - 25 d) 7n - 25

Answers

Answer:

7n - 25

Step-by-step explanation:

given

3(3n - 10) - 2n + 5 ← distribute the parenthesis by 3

= 9n - 30 - 2n + 5 ← collect like terms

= (9n - 2n) + (- 30 + 5)

= 7n + (- 25)

= 7n - 25

The graph of f(x) = x is given. Which equation will translate the graph 3 units down?A. g(x) = 3x
B. g(x) = -3x
C. g(x) = x - 3
D. g(x) = x + 3

Answers

Answer:

C. g(x) = x - 3

Step-by-step explanation:

The given function is

$f(x)=x$

When we transform a parent function, we can translate it, rotate it, stretch it or expand it. However, in this case, the problem is asking for translations.

If we want to translate the function downside, we just have to subtract units from f(x), like this f(x) - u.

If we want to translate the function horizontally, we have to add or subtract units to the x-variable of the function.

So, in this case, to move the parent function 3 units down, we have to subtract 3 units.

Therefore, the transformation would be

$g(x) = x-3$