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Juli2301 [7.4K]
3 years ago
12

Please Help!!! Will give Brainliest Answer.

Mathematics
2 answers:
Oduvanchick [21]3 years ago
4 0
20x4+8x3+40x2 =608
Is this your question?
kondor19780726 [428]3 years ago
4 0
184 is the answer. 20 x 4 is 80. 40 x 2 is 80. 8 x 3 is 24. Add them all together to get 184
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What is the length of LM if L(3,4) and M(1,-2)? Round to the nearest tenth.
kari74 [83]

Answer:

We conclude that the length of LM if L(3,4) and M(1,-2) will be:

d = 6.3

Hence, option D is correct.

Step-by-step explanation:

Given

  • L(3,4)
  • M(1,-2)

Determining the length of LM

  • (x₁, y₁) = (3, 4)
  • (x₂, y₂) = (1, -2)

The length of the distance between (x₁, y₁)  and (x₂, y₂)  can be determined using the formula

d=\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}

substituting (x₁, y₁) = (3, 4) and (x₂, y₂) = (1, -2)

   =\sqrt{\left(1-3\right)^2+\left(-2-4\right)^2}

   =\sqrt{2^2+6^2}

   =\sqrt{4+36}

   =\sqrt{40}

   =\sqrt{4\times 10}

   =\sqrt{2^2\times \:10}

   =2\sqrt{10}

   =6.3

Therefore, we conclude that the length of LM if L(3,4) and M(1,-2) will be:

d = 6.3

Hence, option D is correct.

5 0
3 years ago
Find the equation of the line that is perpendicular to the line x=-7 and contains the point (-6,8)
Alex73 [517]

Answer:

The equation would be y = 8

Step-by-step explanation:

Since the line x = -7 is a vertical line, we know that any line perpendicular to it would be horizontal. All horizontal lines can be written as y = (a number). Since we have an ordered pair that is on the line, we can find that number as the y value in that pair.

y = 8

4 0
4 years ago
Any proposed solution of a rational equation that causes a denominator to equal​ _______ is rejected.
In-s [12.5K]
--Answer--

Any proposed solution of a rational equation that makes a denominator equal to the numerator is rejected.


Regards!I hope it helps you :)
4 0
3 years ago
Read 2 more answers
So of the guestion is -5 <-2 then i add 7 to both sides what and how would I do it
Dafna1 [17]
-5+7=2, and -2+7=5    so now it would be 2<5! :-)
3 0
4 years ago
HELP!
Studentka2010 [4]
So one way we can do this is- 

2(2n+7)+3n=

4n+14+3n=

7n+14

Another simpler way possible is-

2n+7+2n+7+3n=

RE-ORDER

2n+2n+3n+7+7=

COMBINE LIKE TERMS

7n+14








4 0
4 years ago
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