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fredd [130]
2 years ago
6

Please help me Will give you brainly

Mathematics
2 answers:
Ket [755]2 years ago
8 0

9514 1404 393

Answer:

  a) y = -18x +200

  b) 38 gallons

Step-by-step explanation:

<h3>a)</h3>

The slope formula can be used to find the slope:

  m = (y2 -y1)/(x2 -x1)

  m = (110 -137)/(5 -3.5) = -27/1.5 = -18

The y-intercept can be found from ...

  b = y -mx = 110 -(-18)(5) = 200

The slope-intercept equation describing the relation is ...

  y = -18x +200

__

<h3>b)</h3>

After 9 hours, the amount of gas remaining is ...

  y = -18(9) +200 = -162 +200 = 38 . . . gallons remaining

AysviL [449]2 years ago
4 0

Answer:

jgdrgj u er gotta run if f c vbjt q r7ijhgf

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The area of the right triangle shown is 24 square feet.
Stolb23 [73]

Given : A  = 24 sq feet

A = 0.5 base x height

base = x , height = x+2

A = 0.5 x(x+2)  = 24 sq feet

1) 0.5 x(x+2) = 24 (A)

2) x^2 + 2x - 48 = 0 (D)

To check the rest un-wrap the bracket:

x^2 + (x+2)^2 = 24

x^2 + x^2 + 4 + 4x = 24

2x^2 + 4x - 20 = 0

x^2 + 2x - 10= 0 (NO)

Likewise:

x^2 + (x+2)^2 = 100

x^2 + x^2  +4 + 4x = 100

2x^2 + 4x + 4 = 100

2x^2 + 4x - 96 = 0

3) x^2 + 2x - 48 = 0 (F)

To sum up: that's what apply:

1) 0.5 x(x+2) = 24 (A)

2) x^2 + 2x - 48 = 0 (D)

3) x^2 + 2x - 48 = 0 (F)

6 0
3 years ago
Read 2 more answers
After vigorous activity, your heart rate declines 7 beats per minute. How much would
Katarina [22]

Answer:

56

Step-by-step explanation:

7 heartbeats *8 minutes = 56

8 0
3 years ago
There was an activity planned outdoors, but it started to rain. They took a vote and 45 people of the 60 people wanted to stay i
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Answer:

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Step-by-step explanation:

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15/60×100=25%

4 0
3 years ago
A human heart beats an average of 80 beats per minute.How many beats is this in an hour?express your answer in scientific notati
nlexa [21]

Answer:

4,800

Step-by-step explanation:

Sorry I don't know how to explain it scientifically but I know how to do the calculations

1) Theres 60 minutes in an hour

2) 80x60= 4,800 beats

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3 years ago
Please help me solve the table below
ArbitrLikvidat [17]

Answer:

2, 4 ,6 8

Step-by-step explanation:

Given condition y = 2x

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When x = 4 , y = 2 * 4 = 8

Hope it will help :)

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3 years ago
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