A screwdriver cost $99, if you save $79 what is the percent of change?

Answers

Answer 1

Answer: To calculate the percentage of change We:
⇒work out the difference of the two costs
$99-$79=$20
⇒Divide the difference by the original
   $(20)/(99)$
⇒Multiply by 100 to get the answer as a percentage
   $(20)/(99)$ × 100
=20.2%
When we have a check:
$99 × 0.202 = 19.998 ≈ $20
  ║
The right answer

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Answers

Answer:

The answer is C.

What< and > this stand for??

Answers

Answer:

< lesser to

>greater to

Answer: < less than

> greater than

Step-by-step explanation: hope this helps!!!

What is 6/25 as a percentage

Answers

6/25 as a percentage is 24%.

Commonly, to change a fraction into its percentage form, you would multiply the numerator (the top number) and the denominator (the bottom number) by 100, which is a numerical number that is used.

So, in this case, we would divide:

6/25 × 100

After calculating that, you should know that it equals 24. That should be our answer to solving 6/25 as a percentage.

Also, if you did not know how to simplify the problem:

$(6)/(25) * 100 \n \n (600)/(25) = 24 \n \n$

You basically just focus on the numerator being multiplied by the whole number (which is 100), so 6 multiplied by 100 equals 600, and that is the new numerator. The next step would to be to simplify it by solving what multiples by 25 to get the result of 600. 24 times 25 equals 600...so 24 is the answer.

Factor completely 16x2 + 40x + 25.(4x − 5)(4x − 5)

(2x − 5)(2x − 5)

(2x + 5)(2x + 5)

(4x + 5)(4x + 5)

Answers

Answer:

The factors are : $(4x+5)(4x+5)$

Step-by-step explanation:

The given expression is :

$16x^(2) +40x+25$

Re writing the equation :

$4^(2)x^(2) +40x+5^(2)$

Applying the rule $a^(x) b^(x) =(ab)^(x)$

$(4x)^(2) +40x+5^(2)$

Re write 40x as 2.4x.5

$(4x)^(2) + 2*4x*5+5^(2)$

Applying perfect square formula:

$(a+b)^(2)=a^(2) +2ab+b^(2)$

where a = 4x and b = 5

So, the factors become : $(4x+5)^(2)$

or $(4x+5)(4x+5)$

Hello,

16x²+40x+25=(4x+5)²
Answer 4

Write in function form
X+y=6..?

Answers

$x+y=6\ \ \ \ /-x\n\ny=-x+6\n\nfor\ x=0\to y=-0+6=6\to(0;\ 6)\n\nfor\ x=6\to y=-6+6=0\to(6;\ 0)$

function form being slope-intercept?

y=-x+6

Given f(x)=x^2+3 and g(x)=x+5/x. Find (g o f)(4)

Answers

To find g(f(4)), work from the inside out.

f(4) is 4^2+3, or 16+3, or 19. Now, we must find g(19).

This is 19+5/19. This is already a mixed number, though if you want an improper fraction solution, we have:

361/19+5/19

Which simplifies to:

366/19

Therefore, 366/19 is the answer.

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