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Stells [14]
3 years ago
8

I need help again lol

Mathematics
1 answer:
Alex787 [66]3 years ago
7 0

Answer:9

Step-by-step explanation:

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Randy can buy 6 gallons of gas for $18 or 7 gallons of gas for $21. how much do you think he would pay for 8 gallons of gas?
lesantik [10]

18/6 = 3 dollars per gallon

8 x 3 = 24

 8 gallons would cost $24

answer is C

6 0
3 years ago
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Pierre stands on level ground at the point P, 5 metres from O.
GenaCL600 [577]
So hmm notice the picture below

thus    \bf \cfrac{4.24}{x}=\cfrac{2x+5}{2x}\implies 8.48x=2x^2+5x\implies 8.48x-5x=2x^2
\\\\\\
3.48x=2x^2\implies 0=2x^2-3.48x\implies 0=x(2x-3.48)
\\\\\\

\begin{cases}
0=x\\
----------\\
0=2x-3.48\\
3.48=2x\\\\
\cfrac{3.48}{2}=x\\\\
1.74=x
\end{cases}

so, is clearly not 0, so it has to be 1.74

6 0
3 years ago
A real estate agent would like to predict the selling price of a single-family house by predicting the price (in thousands of do
forsale [732]

Answer:

$173493.8

Step-by-step explanation:

Data provided in the question:

LSRL for the data is ? = 3.8785x + 18.3538

Here,

x is area in 100 square feet

and

price in thousands of dollar

Thus,

For the given area 4000 square foot

x = 4000 ÷ 100 = 40                  [Area in 100 square feet]

Therefore,

Using the given equation

Price  = 3.8785(40) + 18.3538

or

Price = 173.4938 in thousands of dollar

or

Price = 173.4938 × $1000

Price = $173493.8

8 0
4 years ago
Solve the system. 9=4x-2y 2x+6=y
Digiron [165]

Step-by-step explanation:

4x-2y = 9 ...1

2x-y = -6 ...2

if ...2 × 2

4x-2y = -12

9 is not equal to -12

4 0
2 years ago
Help please! :)) ill do whatever it is that gets you guys points!!! please help!
Sidana [21]

Answer:

7.5 in.

Step-by-step explanation:

4 0
3 years ago
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