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kakasveta [241]
3 years ago
13

How much does the cost increase if the number of gallons is increased from 6 to 8?

Mathematics
2 answers:
ololo11 [35]3 years ago
4 0

Answer:

It raised by two

Step-by-step explanation:

azamat3 years ago
3 0

Answer:

33.33%

Step-by-step explanation:

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Pls solve for x thank you
Helen [10]

Answer:

X=4

Explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

hope this helps!  <3

3 0
4 years ago
Read 2 more answers
F(x)=5(14x+3)2, find f(−8)
NeTakaya

Answer:

-1090

Step-by-step explanation:

14(-8) + 3 = -109

-109 times 5 = -545

-545 times 2 = -1090

8 0
4 years ago
If you can plant 150 onion plants per 10 foot row, how many onion plants will you need for 5 rows?
Vlad1618 [11]
75 onion plants

To solve since 150 can plant 10 rows
you're to plant 5 you just divide 150/2 and you get the answer 75
5 0
3 years ago
I NEED IMMEDIATE HELP!!!!
DerKrebs [107]
<h2>Hello!</h2>

The answers are:

C) (3+xz)(-3+xz)

D) (y^2-xy)(y^2+xy)

F) (64y^2+x^2)(-x^2+64y^2)

<h2>Why?</h2>

To know which of the products results in a difference of square, we need to remember the difference of squares from:

The difference of squares form is:

(a+b)(a-b)=a^{2}-b^{2}

So, discarding each of the given options in order to find which products result in a difference of squares, we have:

<h2>A)</h2>

(x-y)(y-x)=xy-x^{2}-y^{2} +yx=-x^{2} -y^{2}

So, the obtained expression is not a difference of squares.

<h2>B)</h2>

(6-y)(6-y)=36-6y-6y+y^{2}=y^{2}-12y+36

So, the obtained expression is not a difference of squares.

<h2>C)</h2>

(3+xz)(-3+xz) =(xz+3)(xz-3)=(xz)^{2}-3xz+3xz-(3)^{2}\\\\(xz)^{2}-3xz+3xz-(3)^{2}=(xz)^{2}-(3)^{2}

So, the obtained expression is a difference of squares since it matches with the form of the difference of squares.

<h2>D)</h2>

(y^2-xy)(y^2+xy)=(y^{2})^{2}+y^{2}*xy-y^{2}*xy-(xy)^{2} \\\\(y^{2})^{2}+y^{2}*xy-y^{2}*xy-(xy)^{2}=(y^{2})^{2}-(xy)^{2}

So, the obtained expression is a difference of squares since it matches with the form of the difference of squares.

<h2>E)</h2>

(25x-7y)(-7y+25x)=-175xy+(25x)^{2}+49y^{2}-175xy\\\\-175xy+(25x)^{2}+49y^{2}-175xy=(25x)^{2}+49y^{2}-350xy

So, the obtained expression is not a difference of squares

<h2>F)</h2>

(64y^2+x^2)(-x^2+64y^2)=(64y^2+x^2)(64y^2-x^2)\\\\(64y^2+x^2)(64y^2-x^2)=(64y^{2})^{2} -(x^{2}*64y^{2})+(x^{2}*64y^{2})-(x^{2})^{2}\\ \\(64y^{2})^{2} -(x^{2}*64y^{2})+(x^{2}*64y^{2})-(x^{2})^{2}=(64y^{2})^{2}-(x^{2})^{2}

So, the obtained expression is a difference of squares since it matches with the form of the difference of squares.

Hence, the products that result in a difference of squares are:

C) (3+xz)(-3+xz)

D) (y^2-xy)(y^2+xy)

F) (64y^2+x^2)(-x^2+64y^2)

Have a nice day!

5 0
3 years ago
1.<br><img src="https://tex.z-dn.net/?f=3%28x%20%2B%20y%29%20%20%2B%207%28x%20%2B%20y%29" id="TexFormula1" title="3(x + y) + 7(
Tom [10]
That’s the work for it in case you need it, but the answer is 10x+10y

5 0
3 years ago
Read 2 more answers
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