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ss7ja [257]
3 years ago
15

Find the area of the circle.

Mathematics
1 answer:
Delvig [45]3 years ago
7 0
This is 281 for me if not so sorry
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At 5 a.m., the temperature at an airport was −9.4°F . Six hours later, the temperature was 2.8°F . Which expression represents t
RoseWind [281]
Let x = the number of hours since 5 a.m.
Let y = temperature, °F

Let the total temperature change be modeled by the expression
y =  ax + b

At 5 a.m., x = 0 and y = -9.4°F. Therefore
b = -9.4

When x = 6 hours, y = 2.8°F. Therefore
6a + b = 2.8
6a - 9.4 = 2.8
6a = 12.2
a = 2.0333

The expression is
y = 2.0333x - 9.4

Answer:
y = 2.0333x - 9.4
where
x = hours since 5 a.m.
y = temperature, °F
4 0
3 years ago
Read 2 more answers
What is the equation of the line that is parallel to the line 5x + 2y = 12 and passes through the point (−2, 4)? y = – x – 1y =
Firlakuza [10]
The equation of the line parallel to 5x+2y=12 and passes through the point (-2, 4) is equal to y= -5/2x - 1
7 0
3 years ago
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A car moving at an initial velocity of 20 meters/second accelerates at the rate of 1.5 meters/second2 for 4 seconds. The car’s f
sineoko [7]
The initial velocity: v o = 20 m/s.And :  a = 1.5 m / s² , t = 5 s.The final velocity formula:v = v o + a · tv = 20 + 1.5 · 5v = 20 + 7.5v = 27.5 m /sAnswer: The car`s final velocity is 27.5 meters / second.

4 0
3 years ago
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HELP ASAP I DON'T UNDERSTAND
kvv77 [185]

Answer:

120lbs

Step-by-step explanation:

360lbs÷3 =120lbs

5 0
3 years ago
Explain how you know that 70 is greater than 1/3 but less than three 2/3
nadya68 [22]
No 70 is greater than both 1/3 and 2/3 because 1/3 = 33.333 and 2/3 = 66.666

Hope i will be the brainliest person
8 0
3 years ago
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