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4 years ago

Please help me solve this!!!!!

Mathematics

1 answer:

gulaghasi [49]4 years ago

8 0

Answer

Burger meal = $8 and Hot dog meal = $6

Step-by-step explanation:

Let's use "x" to represent burger meals and "y" to represent hot dog meals.

Garcia family:

3x + 4y = $48

Baker family:

6x + 2y = $60

We have to first compare both families' and then eliminate one of our common variables, either the "x" or "y".

3x + 4y = $48

6x + 2y = $60

Let's eliminate "x". To do this we can multiply "3x" by "-2" to get "-6x". This will cancel out "6x":

-2 (3x + 4y = $48) ...our new equation would be....

-6x - 8y = -$96

Now to add our two families' equations together...

-6x - 8y = -$96

6x + 2y = $60

- 6y = -$36

Divide both sides by "-6" to get "y" by itself.

y = $6

We now know the value of "y" or one hot dog meal. Next, we want to solve for "x", our variable for the hamburger meal... We will plug in our y value to help us...

3x + 4(6) = $48

3x + 24 = $48

We want to get our x by itself. First, we can subtract 24 from each side.

3x = $24

Then we will divided both sides by 3 to get x alone.

x = $8

To check our work we can plug in our values for both "x" and "y" to see if they add up to $48 and $60:

3(8) + 4(6) = $48

24 + 24 = $48

and...

6(8) + 2(6) = $60

48 + 12 = $60

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umka2103 [35]

The value of n is $n=28$

Explanation:

The expression is $\frac{3}{4} n-18=\frac{1}{4} n-4$

Subtracting both sides by $\frac{1}{4} n$ , we get,

$\frac{3}{4}n-\frac{1}{4}n-18=-4$

Adding both sides by 18, we get,

$\frac{3}{4}n-\frac{1}{4}n=-4+18$

Simplifying the terms, we have,

$\frac{2}{4}n=14$

Dividing, we get,

$\frac{1}{2} n=14$

Multiplying by 2, we have,

$n=28$

Thus, the value of n is $n=28$

8 0

3 years ago

What is the answer? Please help me out

Veronika [31]

I think it may be 19.5

3 0

4 years ago

Read 2 more answers

What is the equation of the line that is parallel to the line y = - 1/3x + 4 and passes through the point (6, 5)?

Lostsunrise [7]

Answer:

$y=-\frac{1}{3}x+7$

Step-by-step explanation:

we know that

If two lines are parallel then their slopes are equal

The equation of the given line is

$y=-\frac{1}{3}x+4$

the slope is $m=-\frac{1}{3}$

the slope of the parallel line to the given line is also $m=-\frac{1}{3}$

Find the equation of the line that is parallel to the given line and passes through the point (6, 5)

we have

$m=-\frac{1}{3}$

$point\ (6,5)$

The equation of the line in point slope form is

$y-y1=m(x-x1)$

substitute

$y-5=-\frac{1}{3}(x-6)$

Convert to slope intercept form

$y=mx+b$

isolate the variable y

$y-5=-\frac{1}{3}x+2$

$y=-\frac{1}{3}x+2+5$

$y=-\frac{1}{3}x+7$

7 0

3 years ago

Use the graph to answer the question. Which of the following points would be a solution

katrin2010 [14]

Answer:

(1,3)

Step-by-step explanation:

Only point that lies in the blue area.

8 0

3 years ago

Read 2 more answers

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Zepler [3.9K]

Answer:

(4^-3)(x^-3) y^(18)

y^18/ (64 x^3)

Step-by-step explanation:

(4xy^-6)^-3

Distribute the exponent to all terms in the parentheses

(4^-3)(x^-3) (y^-6)^-3

a^ b^c = a^ (b*c)

(4^-3)(x^-3) y^(-6*-3)

(4^-3)(x^-3) y^(18)

If we do not want negative exponents

a ^ -b = 1/ a^b

y^18/( 4^3 x^3)

y^18/ (64 x^3)

4 0

4 years ago