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Andrei [34K]
3 years ago
11

-5(4-n)=1+2n Anyone know this

Mathematics
1 answer:
Sever21 [200]3 years ago
3 0

Answer:

n= -10

Step-by-step explanation:

-20+n=1+2n which simplifies to -21n+n=2n which simplifies to -20n=2n which simplifies to

n= -10

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What three points are solutions to 2x-y =4
DochEvi [55]

Answer:

Attached file

Step-by-step explanation:

5 0
2 years ago
6.
Rudik [331]

Answer:

  (a)  169.1 m

Step-by-step explanation:

The diagram shows you the distance (x) will be shorter than 170 m, but almost that length. The only reasonable answer choice is ...

  169.1 m

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The relevant trig relation is ...

  Cos = Adjacent/Hypotenuse

The leg of the right triangle adjacent to the marked angle is x, and the hypotenuse is 170 m. Putting these values into the equation, you have ...

  cos(6°) = x/(170 m)

  x = (170 m)cos(6°) ≈ (170 m)(0.994522) ≈ 169.069 m

The horizontal distance covered is about 169.1 meters.

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<em>Additional comment</em>

Expressed as a percentage, the slope of this hill is tan(6°) ≈ 10.5%. It would be considered to be a pretty steep hill for driving.

5 0
2 years ago
Solve for y;-4 -3y&gt;-10
Luden [163]

Answer:

y>2

Step-by-step explanation:

-4-3y>-10

-3y>-10+4

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y>-6/-3

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4 0
3 years ago
A scale on a blue print drawing of a house shows that 66 centimeters represents 33 meters. What number of centimeters on the blu
aksik [14]
To find the ratio of centimeters to meters you need to divide 66 by 33 to get 2.
Then multiply 2727 by 2 to get 5454.
5 0
3 years ago
A sweater that regularly sold for $52 id now on sale at 30% off. what is the sale price?
pochemuha

Since the sweater is now 30% off, that means it is selling for 70% of it's original price ( 100% - 30% = 70%).


Multiply the original price by 70%:


52 x 0.70 = 36.40


The sale price is $36.40

8 0
3 years ago
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