3 years ago

A balloon holds 3.4 cubic feet of air.

Mathematics

1 answer:

hichkok12 [17]3 years ago

3 0

3.4 cubic feet x 4.8 cubic feet= 16.32 is the answer

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Line l passes through the origin and point (3,4).What is the slope of a line parallel to line l

allochka39001 [22]

$\bf \begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
&({{ 0}}\quad ,&{{ 0}})\quad 
% (c,d)
&({{ 3}}\quad ,&{{ 4}})\\
&origin
\end{array}
\\\\\\
% slope = m
slope = {{ m}}= \cfrac{rise}{run} \implies 
\cfrac{{{ y_2}}-{{ y_1}}}{{{ x_2}}-{{ x_1}}}\implies \cfrac{4-0}{3-0}\implies \cfrac{4}{3}$

so, that's the slope of a line passing through the origin and 3,4, and any line parallel to it, will have the same exact slope.

5 0

4 years ago

Jessica decides to mix grades of gasoline in her truck. She puts in 8 gallons of regular and 8 gallons of premium for a total co

Mariulka [41]

Answer:

The price of the regular gasoline is $2.46, while the premium is $2.67.

Step-by-step explanation:

Let the price of regular gasoline be "x", while the price for the premium be "y", The sum of the amount of each type of gas multiplied by its cost should be equal to the total paid, therefore:

$8*x + 8*y = 41.04$