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Arlecino [84]
3 years ago
13

(x^2-5x+2) (3x^2+2x+3)

Mathematics
1 answer:
Sladkaya [172]3 years ago
8 0
3X^4-13x^3-x^2-11x+6
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Numarul 4 este solutie a ecuatiei 3(x-1)=5+x
sweet-ann [11.9K]
To solve x, you would distribute the 3 to the numbers in the parenthesis. 3x-3=5+x Now you would combine like-terms which would give you: 2x=2. Now you would divide by 2 on both sides to give you x=1. I hope you understand what I did. Hope I helped you!
7 0
3 years ago
Which recursive formula defines this sequence for n > 1?
Sergeeva-Olga [200]

Answer:

(B)a_n=a_{n-1}+3

Step-by-step explanation:

Given the sequence: 3, 6, 9, 12, 15, 18, ...

6=3+3

9=6+3

12=9+3

If we continue in like manner, we notice that the nth term (a_n) is an addition of 3 to the previous term (a_{n-1}).

Therefore (for n>1), the recursive formula which defines the sequence is:

a_n=a_{n-1}+3

The correct option is B

8 0
3 years ago
Solve the system of equations<br><br> 4x+3y=13<br> y=-x+4
Delvig [45]
4x+3y=13
y=-x+4
x+y=4
4x+3y=13
4x+4y=16
-y=-3
<em>y=3
</em>
<em />4x+9=13
4x=4<em>
x=1
hope i helped!!</em>
8 0
3 years ago
If 60% of a number is 90, what is 4/5 of the <br>number?​
sukhopar [10]

Answer:

120

Step-by-step explanation:

Let the required number be x

So,

60% of x = 90

0.6x = 90

x = 90/0.6

x = 900/6

x = 150

\frac{4}{5} x =  \frac{4}{5}  \times 150 = 4 \times 30 = 120 \\

7 0
3 years ago
-2 and 1/3 times 1 and 1/2=
torisob [31]

Answer:

-2\frac{1}{3}\times 1\frac{1}{2}=-3.5

Step-by-step explanation:

We are asked to find the product of -2\frac{1}{3} and 1\frac{1}{2}.

Upon writing our expression as a product we will get,

-2\frac{1}{3}\times 1\frac{1}{2}

Let us convert our given mixed fractions to improper fractions.

\frac{-7}{3}\times \frac{3}{2}

Upon cancelling out 3 from our given expression we will get,

\frac{-7}{2}

Upon dividing -7 by 2 we will get,

\frac{-7}{2}=-3.5

Therefore, our expression simplifies to -3.5.  

4 0
3 years ago
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