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Reptile [31]
3 years ago
8

Write the equation in point-slope form of the line that contains the points (3,-5) and (5,- 1)

Mathematics
1 answer:
SCORPION-xisa [38]3 years ago
6 0

Answer:

y+5=2(x-3)

Step-by-step explanation:

y-y1=m(x-x1)

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(take π=22/7). height of trapezium with parallel sides 6cm and 8cm and 63cm2.​
Nataly_w [17]

Answer:

Circumference = 39.6 cm

We know:

Circumference of a circle = 2πr

⇒39.6 =2×

22

7

×r⇒

39.6×7

2×22

=r⇒r=6.3 cm

Also,

Area of the circle = πr2

=

22

7

×6.3×6.3=124.74 cm2

Step-by-step explanation:

<em>#</em><em>C</em><em>arryOnLearning</em>

5 0
3 years ago
. How are the formulas for the circumference of a circle and area of a circle derived?
kakasveta [241]
They can be derived by using calculus(integration to be precise)

\pi= \frac{circumference }{diameter}(its how pi is defined)
so that gives circumference

to get area , you use integration of an elemental ring of radius r and thickness dr and integrate itA= \int\limits^0_r {2 \pi r} \, dr

that gives the area.

if you don't know calculus yet ,dont worry, just remember the formulae.


5 0
4 years ago
Solve for m.<br><br> 1/3m = 12-m
pantera1 [17]
<span>1/3m = 12-m
1/3m+m=</span>12
2m=12/(1/3)
2m=36
m=18
4 0
4 years ago
Read 2 more answers
Find the value of x in this polygon.
Sati [7]

Answer:

51

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What are the values of a1 and r of the geometric series <br> 2-2+2-2+2
Dahasolnce [82]
A1 = 2 (first term)
r = -1 (common ratio or second divided by first)
7 0
3 years ago
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