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3 years ago

Please help !!!!!! thanks !!

Mathematics

1 answer:

navik [9.2K]3 years ago

3 0

The intercept form of the equation is
x/x-intercept +y/y-intercept +z/z-intercept = 1
If you divide by 12, the equation can be written in intercept form as
x/3 +y/2 +z/6 = 1

The 1st selection is appropriate:
(3, 0, 0), (0, 2, 0), (0, 0, 6)

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You are running a concession stand selling hot dogs and sodas. Each hot dog costs $2 and each soda costs $1. At the end of the n

amm1812

Answer:

see the explanation

The number of hot dogs that were sold is 15 and the the number of sodas that were sold is 75

Step-by-step explanation:

Let

x ---> the number of hot dogs that were sold

y ---> is the number of sodas that were sold

we know that

You sold a total of 90 hot dogs and sodas combined

$x+y=90$ ----> equation A

You made a total of $105

$2x+y=105$

isolate the variable y

$y=105-2x$ ----> equation B

substitute equation B in equation A

$x+(105-2x)=90$

solve for x

$x=105-90\\x=15$

Find the value of y (equation B)

$y=105-2(15)=75$

therefore

The number of hot dogs that were sold is 15 and the the number of sodas that were sold is 75

4 0

3 years ago

12345678910111213141516171819202122232425

Murrr4er [49]

Answer:

9x-3+6-2x=0

7x+3=0

7x=-3

x= - 3/7

3 0

3 years ago

Read 2 more answers

Pete, Bryan, and Philip are cousins. Pete's age is one-third of Bryan and Philip is five years elder than Bryan. If the sum of t

blondinia [14]

<span>Pete's age is 15/3 = 5 years old
Bryan's age is 15 years old
Philip's age is 15+5 = 20 years old

20+15+5= 40</span>

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3 years ago

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What is the inverse of the function below? f (x) = 3x A. B. C. D.

Tcecarenko [31]

Answer:

Inverse function: $f^{-1}(x)=\frac{x}{3}$

Step-by-step explanation:

The inverse of a functon $y=f(x)$ is the function $g$ such that $g(y)=x$ .

In this problem, the function that we have to reverse is

$y=f(x)=3x$

In order to reverse the function, we do it in this way:

1) First, we isolate x and we write it as a function of y. Therefore:

$x=\frac{y}{3}$

2) Then, we exchange the names of the variables, so:

$y=\frac{x}{3}$

Therefore, the inverse function is

$f^{-1}(x)=\frac{x}{3}$

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3 years ago

1. Solve for Y 1/2y+4x=z

Softa [21]

I hope this helps you

3 0

3 years ago