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2 years ago

I need this please its due in a hour

Mathematics

1 answer:

Mekhanik [1.2K]2 years ago

6 0

1. both pairs of opposite sides are congruent.

2 consecutive angles of a parallelogram are supplementary.

3. I don't remember what this one would be

4.the diagonals of a parallelogram bisect each other.

5. opposite sides of a parallelogram are not only parallel but also congruent.

6.opposite angles of a parallelogram are congruent.

I'm so sorry I didn't see this sooner

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

they intersect eachother

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2 years ago

Which of the following is a solution of x2 + 4x = −8?

Vladimir [108]

$x^{2}+4x = -8
\\\\
x^{2}+4x+8 = 0
\\\\
\Delta = b^{2}-4ac
\\\\
\Delta = (4)^{2}-4 \cdot (1) \cdot (8)
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$\boxed{S = \{ \ \ \}}$

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2 years ago

Two numbers have a sum of 18, and 4 times the first number minus the second number is equal to 17. What is the smallest number?

sammy [17]

Answer:

The smallest number is 7

Step-by-step explanation:

Using simultaneous equation;

x+y = 18.....(1)

4x-y = 17.....(2)

from equation (1)..

x+y = 18

y = 18-x...(3)

substitute y into equation (2)

4x-y = 17

4x-(18-x) = 17

4x-18+x = 17

4x+x = 17+18

5x = 35

x = 35÷5

x = 7

substitute x into equation (3)

y = 18-x

y = 18-7

y = 11

Therefore; x=7

y=11

11+7=18

(4×7)-11=17

the smallest number is 7

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3 years ago