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zepelin [54]
3 years ago
13

Just give the answers please not the working out

Mathematics
1 answer:
MissTica3 years ago
5 0
I believe the answers would be: 
A) x=-4 or x=6
B) No real solutions 
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1+x^2-3+2y+7x^2+3+3y
Trava [24]

Answer:

8x^2+5y+1

Step-by-step explanation:

1+x^2-3+2y+7x^2+3+3y

Combine like terms

x^2+7x^2+2y+3y+3+1-3

8x^2+5y+1

6 0
3 years ago
Read 2 more answers
Two friends board an airliner just before departure time. There are only 11 seats left, 4 of which are aisle seats. How many way
Vadim26 [7]

Using the Fundamental Counting Theorem, it is found that:

The 2 people can arrange themselves in 40 ways.

<h3>What is the Fundamental Counting Theorem?</h3>

It is a theorem that states that if there are n things, each with n_1, n_2, \cdots, n_n ways to be done, each thing independent of the other, the number of ways they can be done is:

N = n_1 \times n_2 \times \cdots \times n_n

With one people in the aisle and one in the normal seats, the parameters are:

n1 = 4, n2 = 7

With both in the aisle, the parameters is:

n1 = 4, n2 = 3

Hence the number of ways is:

N = 4 x 7 + 4 x 3 = 28 + 12 = 40.

More can be learned about the Fundamental Counting Theorem at brainly.com/question/24314866

#SPJ1

8 0
2 years ago
3. If RS = 4y -2, ST = 5y -3, and RT = 16y+8. What is the value of y? Find RS, ST, and RT.
kolezko [41]

GOING SEVENTEEN SUPREMACY

5 0
3 years ago
Evaluate. <br> 3+2⋅6<br> _____<br> 3
Gelneren [198K]
The answer is 5. Hope that helps :)
4 0
3 years ago
Read 2 more answers
Mylar balloons cost $1.25 each l, and latex balloons cost $0.75 each. What equations can be used to find the number of each type
Anuta_ua [19.1K]
Its a because you will add 1.25 and 0.75 because it says each and of course 18 would be what it equals
4 0
3 years ago
Read 2 more answers
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