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Andre45 [30]
2 years ago
14

PLEASE HELP!! Also the last option is 4 units left and 3 units down

Mathematics
1 answer:
sergeinik [125]2 years ago
7 0

Answer:

B

Step-by-step explanation:

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1 2/5 fraction that have the same value ​
VladimirAG [237]

Answer:

7/5

Step-by-step explanation:

1 2/5, a mixed number, is equivalent to 7/5.

6 0
3 years ago
How do I factor x^4-5x^2+6?
Vilka [71]

Answer:

=(x^2-3)(x^2-2)

Step-by-step explanation:

So we have the expression:

x^4-5x^2+6

And we wish to factor it.

First, let's make a substitution. Let's let u be equal to x². Therefore, our expression is now:

=u^2-5u+6

This is a technique called quadratic u-substitution. Now, we can factor in this form.

We can use the numbers -3 and -2. So:

=u^2-2u-3u+6

For the first two terms, factor out a u.

For the last two terms, factor out a -3. So:

=u(u-2)-3(u-2)

Grouping:

=(u-3)(u-2)

Now, substitute back the x² for u:

=(x^2-3)(x^2-2)

And this is the simplest form.

And we're done!

3 0
2 years ago
Rewrite the expression so that the GCF is factored completely: 2x^3y+18xy-10x^2y-90y
Agata [3.3K]

2x^3y+18xy-10x^2y-90y

= 2xy(x^2 + 9)- 10y(x^2 + 9)

= (x^2 + 9)(2xy - 10y)

= (x^2 + 9) 2y(x - 5)

= 2y (x^2 + 9) (x - 5)

6 0
3 years ago
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Four students are called to sit in four chairs on
bekas [8.4K]
There is a 50/50 chance Bob and Wanda will sit next to each other.
8 0
3 years ago
Find the value of x.<br>x 13 39​
Alex

Answer:

13x-39=39

13x=78

 the answer is x=6

6 0
3 years ago
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