PLEASE HELP! AND SHOW ALL WORK AND CALCULATIONS 4x + 1/3 y^2

What is the value of the expression above when x = 2 and y = 3? You must show all work and calculations to receive full credit. (4 points)

Answers

Answer 1
Answer: Work is shown in the attached picture :)
Answer 2
Answer:    4.2 + 1/3 . 3^2
= 8 + 9/3
= 8 + 3 = 11

Thank you very much.

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PLEASE HELP Which pairs are solutions to the equation?3xy + 9 = 33A.(8, 1) and (2, 6)B.(1, 11) and (2, 6)C.(1, 8) and (8, 1)D.(1, 8) and (1, 11)

What do I put in the blank spots?

Answers

f(x)=2x+b \to \ line \ one \n\n\n \boxed{5}=2* \boxed{(-1)} +b \to line \ two \n\n\n \boxed{5}=\boxed{-2}+b\to line \ three \n\n\n \boxed{5+2}=b \to \ line \ four \n\n \boxed{7}=b

Can some please help me?! I would appreciate it a lot!!!

Answers

hello don't worry it's easy its A

at a shop 4 white tshirts was $13 and 3 grey t shirts was $20 syafiq bought an equal number of white and grey tshirts he spent $833 altogether how many white tshirts did he buy

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Let number of shirt bought be x
13(X/4)+20(X/3)=833
3.25X+(20/3)X=833
X=833/(20/3+3.25)
X=84
He about 84 white tshirts

What two numbers multiply together and equal 16 and add together and equal -2?

Answers

There is a solution, but you might not have learned how to do it yet
in middle school.

If you've learned to use the quadratic formula to solve a quadratic equations,
then you can do this.

The first requirement says: ' x ' times ' y ' = 16
The second requirement says: (x + y) = -2

Take the second requirement, and subtract ' x ' from each side:

y = -x - 2

Substitute this into the first requirement:

' x ' times (-x - 2) = 16

Eliminate parentheses:

-x² - 2x = 16

Subtract 16 from each side:

-x² - 2x - 16 = 0

Multiply each side by -1:

x² + 2x + 16 = 0

Solve this with the quadratic formula, and you get two solutions,
which are the two numbers that satisfy both requirements.

The numbers are

-1 + √-15

-1 - √-15

Check:

-- Product: (-1 + √-15) times (-1 - √-15) = 1 + 15 = 16

-- Sum = -1 + √-15 -1 - √-15 = -2

They work. 
yay
None, because both numbers must be negative in order to get a positive answer, or both positive. However, -2 means that there is at least one negative number, or two negative numbers. the only option : -1+(-1)= -2. So there is no real solution.

A 10-pound box of apples costs $12.50.Write the ratio of cost to number of pounds as a fraction

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Answer:

\frac{\$1.25}{\text{ Pound}}

Step-by-step explanation:

We have been given that a 10-pound box of apples costs $12.50.

First of all, we will find cost of each pound of apples by dividing total cost by 10 as:

\text{Cost of each pound of apples}=\frac{\$12.50}{10\text{ Pound}}

\text{Cost of each pound of apples}=\frac{\$1.25}{\text{ Pound}}

Therefore, our required fraction would be \frac{\$1.25}{\text{ Pound}}.

Ratio: $12.50 / 10 lbs

Work (if needed in simplest form):
$12.50 / 10 lbs
12.5 / 10 = 10 / 8
10 / 8 = 5 / 4

Answer:
$5.00 : 4 lbs (whole number answer)
or
$1.25 : 1 lb (actual price per pound)

In what situation can you use multiplication to find equivalent fractions to a given fraction

Answers

well this we did in fourth grade so what if it was 2.4 it would be 4.8