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Yanka [14]
4 years ago
13

What is the constant in the expression?

Mathematics
1 answer:
weeeeeb [17]4 years ago
3 0
2.4 would be your answer.
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There are 20 pens in a package. Ten of the pens are black, 8 are blue, and the rest are red.
Finger [1]

Answer:

1/5

Step-by-step explanation:

there are two red pens and 10 black pens. that ratio would be 2/10, or 1/5

5 0
3 years ago
Multiply (2x2 + 3x − 6)(x − 1)
Grace [21]
For this question, it is reasonable to use the foil method. In order to use FOIL we need to understand what it stands for: 
F-First
O-Outside
I-Inside
L-Last
(see attachment for visual) 
Let's get started. 
We are given: 
(2x^2 + 3x - 6)(x -  1)
Start by distributing the 2 first, then the 3, and then lastly the -6
<span><span><span><span><span><span><span>(<span>2x^2</span>)</span>(x)</span>+<span><span>(<span>2x^2</span>)</span><span>(−1)</span></span></span>+<span><span>(3x)</span>(x)</span></span>+<span><span>(3x)</span><span>(−1)</span></span></span>+<span><span>(−6)</span>(x)</span></span>+<span><span>(−6)</span><span>(−1)
From here multiply the terms you have gathered from FOILING: 
</span></span></span>2x^3-2x^2+3x^2-3x-6x+6

From here we combine like terms. Like terms are terms that contain the same variable and/or exponential value. For example: 
3c and 4c are like terms because they have the same variables 
24 and 50 are like terms because they are simply numbers without any variables.  
It is best to put the like terms together in parentheses so that it is easier to combine them. 
(2x^3)+(-2x^2+3x^2)+(-3x-6x)+(6)&#10;
Combine: 
2x^3+x^2-9x+6&#10;

Final answer: 2x^3+x^2-9x+6
If you have an further questions, please do not hesitate to comment below! Have a nice day! :) 

8 0
4 years ago
Read 2 more answers
I need number 2 and 3
Vilka [71]

Answer:

Its 2 and only 2 press 2 its true press 2 please

5 0
4 years ago
The length of each side of a triangle is increased by 30%. By what percentage is the area increased?
patriot [66]

Answer:

When sides are doubled, the area of new triangle will always be 4 times the original, the change in area will be 3 times. Hence the % change will always be 300% irrespective of the type of triangle.

Step-by-step explanation:


5 0
3 years ago
If a=-3 and zeros are 4,-7 <br> What would be the equation pf the parabola
erastovalidia [21]

Answer: -3x²-9x+84

Step-by-step explanation:

Let the zeros be r1 and R2

The equation of a parabola going through those two zeros is

y=a(x−r1)(x−r2)

4 0
3 years ago
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