MATHEMATICS HIGH SCHOOL

The table shows prices that three restaurant chefs paid for the same kind of salmon at the Florida Fish FactoryPrice, p
Weight, w
3 Ib.
$ 27.00
5 lb.
$ 45.00
8 lb.
$ 72.00
The equation p= kw, shows the relationship between the price of salmon. p. and the weight of the salmon
What is the value of the constant of proportionality in this situation?
per pound

Answers

Answer 1

Answer:

Answer:

its a

Step-by-step explanation:boo

Answer 2

Answer:

Answer: it’s $9 per pound

Step-by-step explanation:

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(2x^+3x-4)+(x²-x-2) help me please!

Answers

you would want to make it into an addition problem that looks like this:
2x²+3x-4
+ x² - x - 2
___________
3x² + 2 - 6

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--------------
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How do I find the vertex of the equation y= (x+7)^2 - 5 ?

Answers

Follow through with the function (x+7)²
(x+7)² is the same as (x+7)(x+7).
You get x² + 14x + 49
Plug it back into the equation to get
y=x² + 14x + 49 - 5, which equals y=x² + 14x + 44
The formula for the x point in the vertex is -b/2a. (a is x² and b is x)
So -14/2 = -7 = x
Plug this into the equation.
y=-7² + 14(-7) + 44
y=49 - 98 + 44
y=-5

(-7, -5)

I apologize for the error beforehand--I typed 49 instead of 44 and ended up with 0 instead of -5.

If you have an equation in the vertex form $y=(x-h)^2+k$ the vertex is $(h,k)$

In your case $h=-7,k=-5$ so the vertex is $(-7,-5)$

Solve this equation for x in terms of y: 3x+2y=4

Answers

3x+2y=4
3x=4-2y

Answer: $x = (4-2y)/(3)$

$3x+2y=4\n\n3x=4-2y\ /:3\n\nx= (4)/(3) - (2)/(3) y$

Identify the percent of change as an increase or a decrease.50 pounds to 35 pounds

Question 2
Find the percent of change.

Answers

Answer:

50-35 bro easy , 21

Step-by-step explanation:

1. The percent of change is a decrease

Find the missing value 2+?=-13

Answers

Answer:

-15

Step-by-step explanation:

The sum of the 2 numbers (-13) is a negative, meaning the missing number also has to be negative. To find it, you must ask yourself, what minus 2 would equal 13.

Adam tried to compute the average of his 7 test scores. He mistakenly divided the correct sum of all of his test scores by 6, which yielded 84. What is Adam’s correct average test score?

Answers

Adam got the sum of his grades right, but he divided that correct figure by 6, getting 84 Before that division, the sum of his grades must have been 84 * 6, or 504. He should have divided 504 by 7, getting 72. Answer: His correct average test score is 72.

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