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Sliva [168]
2 years ago
8

7n + 6(n+4) -15 how do i solve this with a step by step example

Mathematics
1 answer:
GrogVix [38]2 years ago
8 0

Answer:

  13n +9

Step-by-step explanation:

There is nothing to solve. We can simplify the expression by eliminating parentheses and combining like terms.

  7n +6(n +4) -15 . . . . . . given

  7n +6n +6(4) -15 . . . . use the distributive property

  (7 +6)n +(24 -15) . . . .identify and group like terms

  13n +9 . . . . . . . . . . combine like terms

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|6-27| how the answer this question
sweet [91]

Answer:

First notice that they’re asking for the absolute value of the equation.

The absolute value is how far that number is from 0.

Basically it’s the number without a negative sign.

ok so 6-27 = -21

The product for 6-27 (21) is 21 spaces away from 0.

|6-27| = 21

21 is the answer to your question.

Hope this helped and pls mark me brainliest if it did :)

7 0
3 years ago
Read 2 more answers
An 80-m tower is supported by a guy wire attached to the top of the tower. If the wire forms an
nalin [4]

The Sine or Sinθ in a right-angle triangle is the ratio of its perpendicular to its Hypotenuse. The length of the wire is 81.5 meters.

<h3>What is Sine (Sinθ)?</h3>

The Sine or Sinθ in a right-angle triangle is the ratio of its perpendicular to its Hypotenuse. it is given as,

Sin(θ) = Perpendicular/Hypotenuse

where,

θ is the angle,

Perpendicular is the side of the triangle opposite to the angle θ,

The hypotenuse is the longest side of the triangle.

The length of the tower is 80 meters, while the angle of elevation is 79°. Therefore, the length of the wire will be the hypotenuse of the triangle. Therefore, the length of the wire is,

Sin(θ) = Perpendicular/Hypotenuse

Sin(79°) = 80 meter/Length of the wire

Length of the wire = 81.4973 ≈ 81.5 meters

Hence, the length of the wire is 81.5 meters.

Learn more about Sine:

brainly.com/question/21286835

#SPJ1

5 0
2 years ago
Is 49 a perfect square
Sholpan [36]
Yes, it is also a square number
8 0
3 years ago
Read 2 more answers
Hose 1 in June took 45 mins to fill a pool of height of 20 inches and length 110 inches. Hose 2 in July took 15 mins to fill the
worty [1.4K]

Answer:

there isnt enough evidence to colclude an answer

Step-by-step explanation:

6 0
3 years ago
mr. and mrs. linx both work for the same company, but they do not have the same hourly wages. Together they make $32.50 per hour
Aliun [14]

Answer:

He would at least made $18.95  dollars per hour

Step-by-step explanation:

You first have to multiply 36.50 to 35, you would get 1137.5. Since the question ask how many he earn each HOUR, you have to divide it 60, which you get 18.95 and other decimal. If it wrong, I'm sorry. I tried my best.  

3 0
3 years ago
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