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3 years ago

Suppose that 18 inches of wire costs 54 cents.

Mathematics

2 answers:

matrenka [14]3 years ago

8 0

Answer:

162 cents

Step-by-step explanation:

18 times 3 to get 54 then do 54 times 3 is 162

Zinaida [17]3 years ago

4 0

Answer:

159 cents

Step-by-step explanation:

divide the cost of 18 inches (54) by 18 inches to get the price per inch of wire. That leaves you with 3. Multiply the price per 1 inch (3 cents) by the amount of wire you need (53 inches) to get your price of 159 cents.

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In the sequence 400, 200, 150, 75, 25...... what number comes next

Scorpion4ik [409]

Answer:

The next term in the sequence = -175

Step-by-step explanation:

Here, the given sequence is : 400, 200, 150, 75, 25...

Now here, in the given sequence,

First Term - Second Term = 400 - 200 = 200

Second Term - Third Term = 200 - 150 = 50

Third term - Fourth Term = 150 - 75 = 75

Fourth term - Fifth term = 75 - 25 = 50

So, following this pattern,

Fifth Term - Sixth term = 200

Or, 25 - Sixth Term = 200

or, Sixth term = 25 - 200 = - 175

Hence, the next term in the sequence = -175

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leva [86]

Step-by-step explanation:

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2 years ago

Which of the following best describes the solution to the system of equations below?

OverLord2011 [107]

Answer: OPTION A

Step-by-step explanation:

The equation of the line in slope-intercept form is:

$y=mx+b$

Where m is the slope and b the y-intercept.

Solve for y from each equation:

$\left \{ {{5y=-4x+7} \atop {10y=-8x+14}} \right.\\\\\left \{ {{y=\frac{-4}{5}x+\frac{7}{5}} \atop {y=\frac{-8}{10}x+\frac{14}{10}}} \right.\\\\\left \{ {{y=\frac{-4}{5}x+\frac{7}{5}} \atop {y=\frac{-4}{5}x+\frac{7}{5}}} \right.$

As you can see the slope and the y-intercept of each equation are equal, this means that both are the exact same line. Therefore, you can conclude that the system has infinitely many solutions.

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Step-by-step explanation:

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