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Rufina [12.5K]
3 years ago
13

Find the value of y when x equals 0 . -7x+3y=30

Mathematics
2 answers:
gavmur [86]3 years ago
5 0
Move all terms that don't contain y to the right side of the equation, then solve.
y = 7x/3 + 10

Aneli [31]3 years ago
3 0
X is 0, so it cancels out the 7. So then 3 divided by 30 is 10. Y=10.
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Use the drawing tool(s) to form the correct answer on the provided grid.
solniwko [45]
She is starting at 4000, so that is the y-intercept of the graph. She is descending at 40 feet per minute, so her rate of change or slope is -40. The graph would look like this:

4 0
3 years ago
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Combine like terms. x^2y-3xy^2-6x^2y
balu736 [363]

The result after combining like terms is: -5x^2y-3xy^2

Step-by-step explanation:

Given expression is:

x^2y-3xy^2-6x^2y

The like terms are those terms with whom the variable or product of variables is same.

As in the given expression, first and third, both terms have x^2y so both terms are like terms

Combining like terms, means the indicated operation is performed on them

So,

Combining like terms:

x^2y-6x^2y-3xy^2\\= -5x^2y-3xy^2

Hence,

The result after combining like terms is: -5x^2y-3xy^2

Keywords: Expressions, polynomials

Learn more about polynomials at:

  • brainly.com/question/846474
  • brainly.com/question/833559

#LearnwithBrainly

3 0
3 years ago
A cylinder with a height of 12 cm has a volume of 1728 pi cm^ 3 What is the diameter of the cylinder?
blsea [12.9K]

Answer:

Step-by-step explanation:

let r be radius of the cylinder.

volume of cylinder=πr²h

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r²=1728 π/12π=144

r=√144=12

diameter=2r=2×12=24 cm

3 0
2 years ago
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Which pair of functions are inverses of each other?
harina [27]

Answer:

D.f(x)=2x-9and g(x)=X+9/2

4 0
3 years ago
Tina bought a painting while on vacation in 2009. The table below shows the value of the painting in2009,2010,and2011. If this t
otez555 [7]

Answer:

The answer is E

Step-by-step explanation:

We first are going to look at our first term on the table(the number that comes up first) which is $75.

Then we have to find the common factor. So, you divide the second number by the first number( 88.50 divided by 75 which gets us 1.18).

<em>Now, since we found the first term and the common factor, we are going to have to find the exponent for our f(x) equation.   </em>

<em>We know that she bought the painting in 2009! Now the problem is asking how much the painting will cost in 2030. So, you will subtract 2030-2009 which gets you 21! So 21 is your exponent!</em>

<em>Equation: </em><em>   F(x)= 75(1.18) ^21 </em>

<em>The answer that you get is:    $2424.28</em>

<em />

<u>Let me know if you have any questions! </u>

:)

6 0
3 years ago
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