3 years ago

First step to solve this equation 5k+6=-9

Mathematics

2 answers:

NikAS [45]3 years ago

6 0

Answer:

Subtract 6 from both sides of this equation.

Step-by-step explanation:

SIZIF [17.4K]3 years ago

3 0

Answer:

subtract 6 from both sides of the equation.

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The nth term of a sequence is 2n2 + 1 The nth term of a different sequence is 65 - 2n2. Show that there is only 1 number that is

HACTEHA [7]

Answer:

The only common term is 33.

Step-by-step explanation:

We are given the following in the question:

Sequence 1:

$n^{th}\text{ term: } 2n^2 + 1$

Sequence 2:

$n^{th}\text{ term: } 65 - 2n^2$

Equating the two terms, we get,

$2n^2 + 1 = 65 - 2n^2\\4n^2 = 64\\\\n^2 = \dfrac{64}{4}\\\\n^2 = 16\\n = \pm 4$

Since, n cannot take a negative value, we get n = 4.

Thus, there is only 1 common term both the series have for n = 4.

Common term:

$2(4)^2+ 1 - 65-2(4)^2 = 33$

Thus, the only common term is 33.

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3 years ago

If x=7 and y=−2, evaluate the following expression:2xy

antoniya [11.8K]

Answer:

-28

Step-by-step explanation:

2xy=2(7)(-2)=14(-2)=-28

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2 years ago

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Find the slope of the line passing through the pair points (7,6) and (-7,-6)

True [87]

Answer:

=6/7

Step-by-step explanation:

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2 years ago

2+2+8+9= what please

Westkost [7]

21 hope it helps.......

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A person rides a glass elevator in a hotel lobby. As the elevator goes up, how does the angle of depression to a fixed point on

Sliva [168]

Answer:

180 degrees

Step-by-step explanation:

straight angle equals a 180 degrees which is because the lobby is going up mot down.

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