Combine the like terms to make a simpler expression: 5n+6+(-7n) plz hurry

2 answers:

5 0

There are two like terms. 5n and -7n. And one that’s different. 7. Combining just means adding or subtracting. Add the 5n to -7n. And leave the +6. You got it.

azamat2 years ago

4 0

-2n + 6 is the answer to this question

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JKLM is a rhombus. KM is 6 and JL is 8. Find the perimeter of the rhombus. image of rhombus JKLM with diagonals JL and KM inters

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If a quadrilateral is a rhombus then:

i) all its sides have equal length,

and

ii) the 2 diagonals are perpendicular and bisect each other.

The 2 diagonals of rhombus JKLM intersect at N.

Then m(MNJ)=90°, |JN|=4 and |NM|=3 units

thus, by the Pythagorean theorem,

$|MJ|= \sqrt{ 3^{2} + 4^{2} }= \sqrt{9+16}= \sqrt{25}=5$

The perimeter of the rhombus is 4*5 units=20 units.

Answer: 20 units