If Logan's family can drive 23 1/8 miles on 1 gallon of gas how far can they drive on 17 gallons?

1 answer:

5 0

They can drive 393 and 1/8 miles on 17 gallons. Just multiply 17 times the number of miles they drove for one gallon (23 1/8).

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Evaluate the expression. 4x−5 for x=10 Enter the correct answer in the box.

vampirchik [111]

Step-by-step explanation:

Substitute the given value of x into the expression;

$4(10)-5$

Multiply;

$40-5$

Subtract;

$35$

6 0

2 years ago

Determine the values of the parameter s for which the system has a unique solution, and describe the solution. sx 1 minus 2 sx

JulijaS [17]

Note: The equations written in this questions are not appropriately expressed, however, i will work with hypothetical equations that will enable you to solve any problems of this kind.

Answer:

For the system of equations to be unique, s can take all values except 2 and -2

Step-by-step explanation:

$2sx_{1} + 4x_{2} = -3\\2x_{1} + sx_{2} = 4$

$\left[\begin{array}{ccc}2s&4\\2&s\end{array}\right] \left[\begin{array}{ccc}x_{1} \\x_{2} \end{array}\right] = \left[\begin{array}{ccc}-3 \\6 \end{array}\right]$