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3 years ago

HELP ME PLEASE GUYS! :)

Mathematics

1 answer:

Makovka662 [10]3 years ago

6 0

Remember that a system of equations (two lines) only has solutions if the lines cross. In this case, the lines are parallel, which means that they will never cross. Therefore, there are no solutions.

Hope this helps! :)

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Mariana [72]

The answer will be 0.000316 moles

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3 years ago

The price of a pair of shoes increases from $67 to $83. What is the percent 1 point

Citrus2011 [14]

Answer:

Step-by-step explanation:

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3 years ago

0.563498 TO 3 DECIML PLACES

raketka [301]

Answer:

0.563

Step-by-step explanation:

0.563498 ~ 0.563

here the 3 decimal place is '3' and using the 4rth decimal place we determine wether it will be '3' or the next num '4' .

The 4rth place is '4'(as it is lesser than 5) the 3rd decimal place will become 3.

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3 years ago

Tyler has 120 linear feet of fencing to put around his garden. If he uses the fence to border a rectangular garden, what is the

Travka [436]

Answer:

The maximum area is $900\ ft^{2}$

Step-by-step explanation:

Let

x----> the length of rectangle

y---> the width of rectangle

we know that

The perimeter of rectangle is equal to

$P=2(x+y)$

we have

$P=120\ ft$

$120=2(x+y)$

$60=(x+y)$

$y=60-x$ ------> equation A

Remember that

The area of rectangle is equal to

$A=xy$ -----> equation B

substitute equation A in equation B

$A=x(60-x)$

$A=-x^{2} +60x$

This is a vertical parabola open downward

The vertex is a maximum

The y-coordinate of the vertex of the graph is the maximum area of the garden and the x-coordinate is the length for the maximum area

using a graphing tool

The vertex is the point $(30,900)$

see the attached figure

Find the value of y

$y=60-x$ -----> $y=60-30=30\ ft$

The dimensions of the rectangular garden is $30\ ft$ by $30\ ft$

For a maximum area the garden is a square

The maximum area is $900\ ft^{2}$

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3 years ago

Do 1-15 pls and who ever does it will get free v-bucks tonight

Sunny_sXe [5.5K]

These are the answers, if it is blurry I can retake the picture but I hope this helped.

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3 years ago

Read 2 more answers