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katrin2010 [14]
4 years ago
12

PLEASE SOMEBODY HELPPPPPP ITS 11:19 and it’s due at 11:59

Mathematics
2 answers:
Serggg [28]4 years ago
6 0
I think it’s 4 hours
melomori [17]4 years ago
3 0

Answer:

4 hours

Step-by-step explanation:

we have to make an equation out of the points given, so the slope is change in y / change in x = 85-80/2-1 = 5 (I used the points 1,80 and 2,85 to find this but it would be the same no matter what two points you took).

then we need to find the y intercept.

we are making it into y=mx+b. m is 5 (the slope) and b is the y intercept.

we find this by plugging the slope into a random point on the chart.

85 = (5)(2) + b

b=75

y=5x+75

to get a 97:

97=5x+75

22=5x

x=22/5 or 4.4 hours, so I'd guesstimate 4 hours

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$81

Step-by-step explanation:

Simply times 27*3=81 and that is you amount you'll make

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3 years ago
Two ships have a harbor entrance at the same time. The first ship is traveling at a constant 16 mph, while the second is traveli
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So hmm check the picture below

both ships leave at the same time, one is going 16mph, the other 20mph, 2hrs later on the road

at 16mph well, 2hrs is just 16+16, or 32 miles away
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using the law of cosines  \bf x = \sqrt{{{ 32}}^2+{{ 40}}^2-2(32)(40)cos(169^o)}

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3 years ago
That often visit their grandparents at weekends​
Salsk061 [2.6K]

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Step-by-step explanation:

................................

8 0
3 years ago
Read 2 more answers
Need Help ASAP!!
Ludmilka [50]

Answer:

  • blue: $8.50
  • yellow: $6.50

Step-by-step explanation:

Each of the 2-gallon mixes is made of 8 "parts" of paint, so each "part" is 2/8 gallons = 1/4 gallon = 1 quart. We can let <em>b</em> and <em>y</em> represent the costs of 1 quart of blue and yellow paint, respectively.

Then the cost for <u>2 gallons</u> is ...

  3b + 5y = 58 . . . lime green

  6b +2y = 64 . . . ocean blue

__

Subtracting the second equation from twice the first gives ...

  2(3b +5y) -(6b +2y) = 2(58) -(64)

  8y = 52

  y = 6.5

From the first equation, ...

  3b = 58 -5y = 58 -5·6.5 = 25.5

  b = 25.5/3 = 8.5

The cost of 1 quart of blue paint is $8.50; the cost of 1 quart of yellow paint is $6.50.

5 0
3 years ago
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motikmotik

Answer:

B is the answer

Step-by-step explanation:

7 0
3 years ago
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