2. in a class of students there are 16 gits.What is the rate of boys to get in the class?

Mathematics

1 answer:

Dima020 [189]3 years ago

4 0

Answer:

I need to know how many students there are to answer this question

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Find the circumference a circle with the diameter AB A (-8,4) and B (4,-1)

Simora [160]

Answer:

C = 13π ≈ 40.82 units

Step-by-step explanation:

C = 2 r π = d π

AB = $\sqrt{(-8-4)^2 +(4+1)^2}$ = 13 units

C = 13π ≈ 40.82 units ( π ≈ 3.14 )

7 0

3 years ago

Find each unit rate. 4/5of a chapter in 3/10 hour

ZanzabumX [31]

Answer:

8/3mph

Step-by-step explanation:

you must multiply both fractions by the reciprocal of 3/10 which is 10/3

(4/5 * 10/3) / (3/10 * 10/3)

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3 years ago

-4.5x-2y=-12.5 3.25x-y=-0.75 solve by elimination

creativ13 [48]

-4.5x-2y=-12.5 and 3.25x-y=-0.75
we first multiply the second equation by -2
(-2)*(3.25x-y=-0.75)=-6.5x+2y=-1.5
add the equation to eliminate the y
so yo get (-4.5x-6.5x)=(-12.5-1.5)
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x=1
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-45x-2y=-12.5 and x=1
(-45*1)-2y=-12.5
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3 years ago

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TEA [102]

Answer:

angle 1= $135$ °