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Oliga [24]
3 years ago
8

Find the slope from the two points given: (3,9) and (1,8)

Mathematics
1 answer:
Nastasia [14]3 years ago
3 0

Step-by-step explanation:

8-9= -1

1-3= -2

-1/-2= 1

Gradient or Slope= 1

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Please ASAP please
Mars2501 [29]

Answer:

A)3.125hr

B)53.325mi

Step-by-step explanation:

speed=distance/time

an hour and 15min=1.25hr

32/1.25=25.6mi/hr

80/25.6=3.125hr

B)

2hr and 5min=2+5/60=2.083hr

2.083x25.6=53.325mile

7 0
2 years ago
What is the slope of a line perpendicular to the line whose equation is 4x-2y=-16.
Arte-miy333 [17]

Answer:

-1/2

Step-by-step explanation:

the slope of the first line is 2

to get the line perpendicular, you swap the numerator and denominator, then if positive make negative and the other way around

4 0
2 years ago
Find the first term, a1, of an arithmetic sequence if a12 = 38 and a45 = 170.
snow_lady [41]
Standard formula for arithmetic sequence:
an = a0 + d(n-1)

if we use the two terms given, setting a12 as starting term and a45 as the end term an.

170 = 38 + 33d 
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132 = 33d

132/33 = d
This is the common difference, use it to find the first term.

38 = a0 + (132/33)(12-1)
38 = a0 + (132/33)(11)
38 = a0 + 132/3
38 - 132/3 = a0
38 - 44 = a0
-6 = a0

The starting term is -6

8 0
3 years ago
Does 8m, 15m, 23m form a triangle
sammy [17]

Answer:

No it doesn't form the triangle because when we sum up two sides the. it should exceed the this side.

3 0
3 years ago
Hurry Please! :)
Sladkaya [172]
Area = b*h and in some cases * 2 so you need to do this, 64*52 + 40*28= 4448 yd2
8 0
3 years ago
Read 2 more answers
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