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dusya [7]
3 years ago
11

What is a simpler form of the expression? -3(-4y+3)+7y please explain, i don’t understand it.

Mathematics
2 answers:
ANTONII [103]3 years ago
8 0
<h2>Answer:</h2>

Hey, it's really very easy to simplify .

I will write step by step.

<h3>Given:</h3>

= -3 (-4y + 3) +7y

<h3>Now, let's Distribute:</h3>

= (-3) (-4y) + (-3) (3) + 7y

= 12y + -9 + 7y

<h3>Now, Combine Like Terms:</h3>

= 12y + -9 + 7y

= (12y + 7y) + (-9)

<h3>= 19y + -9</h3>

<u>Therefore, 19y + -9 is the answer.</u>

Pavlova-9 [17]3 years ago
5 0

Answer:

19y - 9

Step-by-step explanation:

We can use the acronym PEMDAS. First, we need to calculate -3(-4y+3) by distributing. This is -3 * (-4y) + (-3) * 3 = 12y - 9 so the expression becomes 12y - 9 + 7y. Next, we need to combine like terms. 12y and +7y are like terms since they both have y so combining them gives us 12y + 7y = 19y. -9 stays by itself since there are no other constants so the final answer is 19y - 9.

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Factorise: x^2/y^2+1+y^2/X^2​
rewona [7]

Answer:

<h2>( \frac{x}{y}  +  \frac{y}{x}  + 1)( \frac{x}{y}  +  \frac{y}{x}  - 1)</h2>

Step-by-step explanation:

Hope it is helpful.....

7 0
2 years ago
Plz help me due today
GREYUIT [131]

Answer:

the suare root of nine is rational (bc its 3) the other two are not

Step-by-step explanation:

can i get brainliest please???

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3 0
2 years ago
Which of the following properties are used
Lady bird [3.3K]

First, we can see that he used the Distributive property. Then after that, he used the Additive property. After that, he combined like terms and the used the additive property again. Finally, he used the divisive property.

3 0
3 years ago
Read 2 more answers
If the function f(x) = -1/2x - 7 were graphed, which of the following would be true?
Fittoniya [83]
ANSWER

D. As the x-values increase, the y-values would decrease

EXPLANATION

The given function is
y =  -  \frac{1}{2} x - 7


The slope of this function is
m =  -  \frac{1}{2}

Since the slope is negative, there is a negative or an inverse relationship between x and y.

As the values of x increases, the values of y decreases.

Also, as the values of x decreases, the values of y increases.

The first option is not true because as x is becoming bigger and bigger negatively, y will become positive.

For instance, when
x =  - 40
y =  -  \frac{1}{2} ( - 40) - 7


This implies that,

y = 20 - 7 = 13

Options B is obviously not true because the function has a negative relationship between x and y.


Option C is also false because, x can be positive since it is the independent variable.

See graph



Therefore, the correct answer is option D.




5 0
3 years ago
13. Is the following the graph of a function? Why or why not? ​
Semenov [28]
No. To test whether a graph is a function or not you do the vertical line test where if a vertical line touches more than one point it is not a function
7 0
3 years ago
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