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Nikolay [14]
3 years ago
11

What is the slope and y intercept of the points (4,8) and (20,24)​

Mathematics
1 answer:
marissa [1.9K]3 years ago
8 0
The slope is 1 and the y intercept is 0
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Please help i’ll give brainliest
Assoli18 [71]

Answer: A

Step-by-step explanation:

An ordered pair is a solution if when substituted it makes the equation true. If when you substitute, it does not make the equation true then it is not a solution.

y = -5x - 4

Test:

-52 = -5(10) - 4

-52 = -54 FALSE

8 0
3 years ago
Read 2 more answers
8. find the unknown angle
goldfiish [28.3K]

38,71,71

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
Estimate by rounding each term to 0. 1/2 or 1.<br> 5 1<br> 8 3
Eddi Din [679]
The answer is 7/8 so you would round it to 1.
6 0
3 years ago
the number of buckets of paint n needed to paint a wall varies jointly with the total area a and the thickness t of the wall, an
Nat2105 [25]
The number of buckets is directly proportional to the area and the thickness of the wall and inversely proportional to the amount of paint. Mathematically, we can write:

n = k · (a · t) / p

where k is the proportionality constant which we do not know.

We can calculate k with the given data: 5 2-gallon buckets, area of 100 square feet and thickness 3 inches:

k = (n · p) / (<span>a · t)
   = (5 </span>· 2) / (100 · 3) = 0.0333

Now that we know the constant, we can calculate the area that can be painted with 8 2-gallon buckets if the thickness is 6 inches:

a =  (n · p) / (k<span> · t)
   = (8 </span>· 2) / (0.0333 · 6)
   = 80 ft²

Please, note that we made sure to have the exact same units of measurements than the previous case.

Therefore, the correct answer is an area of 80 ft².
4 0
3 years ago
A map has a scale of 1 centimeter = 40 kilometer. If the distance between Fort Worth and El Paso is 21.7 cm on a map , how many
ryzh [129]
Aloha!
 1 centimeter= 40 kilometers
The distance between the cities in centimeters is 21.7
 To get the answer into kilometers, you multiply.
So, 21.7 times 40 which is 868 kilometers.  
 To answer your question, the distance between Fort Worth and El Paso is 868 kilometers.
 I hope this helps!
  Adios!:)
5 0
3 years ago
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