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Lady_Fox [76]
4 years ago
10

Mmath help pls, will reward!! O_O

Mathematics
2 answers:
Setler79 [48]4 years ago
5 0

Answer:

x = -4, y = 8.

Step-by-step explanation:

Question 16.

8x + y = -24    ........(A)

-3x - 2y = -4    ........(B)

Multiply (A) by 2:

16x + 2y = -48   Adding this to equation (B):

13x = -52

x = -4

Substituting this value of x in Equation (A):

8(-4) + y = -24

y = -24 + 32 = 8.

Mkey [24]4 years ago
5 0

Answer:

Answer for the first part of question 16 is y =-24 - 8x

1st subtract 8x from both sides: 8x + y - 8x = -24 - 8x

2nd simplify: -24 - 8x

Answer for the 2nd part of Q. 16 is y = -(-4+3x)/2

1st add 3x to both sides: -3x - 2y + 3x = -4 + 3x

2nd simplify: -2y = -4 + 3x

3rd divide both sides by -2: -2y ÷ -2 = 4 ÷ -2 +3x ÷ -2

4th simplify: (-4 + 3x)/2

Answer to the 1st part of Q. 17 is y = (-1 - 2x)/3

1st subtract 2x from both sides 2x + 3y - 2x = -1 - 2x

2nd simplify: -3y= -1 - 2x

3rd divide both sides by -3: -3y ÷ -3 = 1 ÷ -3 - 2x ÷ -3

4th simplify: y = (-1 - 2x)/3

Answer to 2nd part of Q.17: y = 6 + 7x ÷ 10

1st Add 7x to both sides: -7x + 10y + 7x = 6 + 7x

2nd simplify: 10y=6+7x

3rd divide both sides by 10: 10y ÷ 10 = 6 ÷ 10 + 7x ÷ 10

4th simplify: y = 6 + 7x ÷ 10

sorry, but I don't know the answer to Q.18 but I hope I helped on questions 16 and 17 :)

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Option D x+2y+10 .

A trinomial with a constant term will have three terms, and one of those terms will be a constant, which is a number.

we also know about the Constant

A fixed value. In Algebra, a constant is a number on its own, or sometimes a letter such as a, b or c to stand for a fixed number.

Some relatable terms are :

Monomial: Polynomial having a single term.

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in option A there is no constant .

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further in option c it is simply binomial in which only two terms are given without constant .

so at last conclusion is in option D there are three terms are given with one constant which is number 10 .

x+2y+10 is trinomial with a constant.

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