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scZoUnD [109]
3 years ago
10

evaluate the expression when m = 2. 11 – 3m a. 6 b. 10 c. 5 d. 12 and which expressions are equal to 8 when x = 6 and y = 2? cho

ose all answers that are correct. a. x – y 4 b. y x – 4 c. xy – 2 d. 5 (x ÷ y)
Mathematics
1 answer:
Aleks04 [339]3 years ago
3 0
11 - 3m; m = 2 therefore

11 - 3 · 2 = 11 - 6 = 5

Answer: c. 5

----------------------------------------

Answer: b. yx - 4

x = 6 and y = 2

2 · 6 - 4 = 12 - 4 = 8

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488 meters above sea level.

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Answer to the question
natta225 [31]

Answer:

Value of x = -1 and y = -4

Step-by-step explanation:

BC = 3 (given)

BC = AD ( opposite sides of a parallelogram are equal)

∴ AD = 3

AD = x - y (given)

∴ 3 = x - y

3 + y = x -------- (1)

CD = 2 (given)

CD = AB (opposite sides of a parallelogram are equal)

∴ AB = 2

AB = 2x - y (given)

∴ 2 = 2x - y ----------- (2)

Putting the value of x in (1) To (2)

2 = 2(3+y) - y

2 = 6 + 2y - y

2 = 6 + y

2 - 6 = y

-4 = y

Now, substitute the value of y in (1)

x = 3 + y

x = 3 + (-4)

x = 3 - 4

x = -1

Therefore, the value of x = -1 and y = -4.

<u>Cross-checking</u>

2x - y = 2

2*-1 - (-4) = 2

-2 -(-4) = 2

-2 + 4 = 2

2 = 2

LHS = RHS

x - y = 3

-1 -(-4) = 3

-1+4 = 3

3 = 3

LHS = RHS

Thus verified

Hope u understand

Please mark as brainliest

Thank You

6 0
3 years ago
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