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2 years ago

7

A gas tank on a car holds 16 gallons of gasoline and can travel 480 miles on a full tank. how many miles can the car travel per

gallon?

1 answer:

max2010maxim [7]2 years ago

5 0

Answer:

30 miles per gallon

Step-by-step explanation:

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Gnesinka [82]

Answer:n=-2 or n=4

Step-by-step explanation:

Q is not inversible if det(Q)=0

$\left|\begin{array}{ccc}6&7&-1\\3&n&5\\9&11&n\end{array}\right| =0\\\\\\\\6(n^2-55)-3(7n+11)+9(35+n)=0\\\\n^2-2n-8=0\\\\\Delta=36=6^2\\\\n=\dfrac{2-6}{2} =-2\ or\ n=\dfrac{2+6}{2}=4\\$

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2 years ago

Below this text is the question

elena-s [515]

Jehebwhsjebvddndnene

5 0

2 years ago

What is the 3rd term of the sequence 4n-1?

notsponge [240]

3(4) - 1 = 12 - 1 = 11

4 0

3 years ago

Fine the sum of the series

lapo4ka [179]

Answer:

6825

Step-by-step explanation:

From the equation, the series is a geometric series, such that

a = 5

r = 4

n = 6

sum of a geometric series is a(r^n - 1)/(r - 1)

therefore,

sum of the series is 5 x (4^6 - 1) / (4 - 1)

= 5 x (4096 - 1) / 3

= 5 x 4095 / 3

= 6825

6 0

3 years ago

Which is the equation of a line perpendicular to the line with the equation:<br>y = 1/4x + 2

Wittaler [7]

Answer:

4x + y = k

Step-by-step explanation:

=> 4y = x + 8

=> x - 4y = -8

Slope = 1/4

The other line's slope = -4

4x + y = k is the answer.

4 0

2 years ago