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Goshia [24]
3 years ago
12

Using the Segment Addition Postulate: If AB = 12 and BC = 18, what is AC? a.) 6 b.) 20 c.) 30 d.) 26

Mathematics
1 answer:
mamaluj [8]3 years ago
7 0
The answer would be 6.

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3 years ago
Complete the sentence.<br> 9 is 36% of
melisa1 [442]

Answer:

3.24

Step-by-step explanation:

9 takes up 3.24 of 36%

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Read 2 more answers
Solve the following pair of simultaneous equations by Elimination
VARVARA [1.3K]

Answer:

y=4.875

x=.75

Step-by-step explanation:

6x-y=16

3x+2y=12

2(6x-y=16)=

12x-2y=32

3x+ 2y=-12

(get rid of Y and add down)

15x=20

x=15/20= 3/4= .75

if x= 3/4 then

3(.75) +2y= 12

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2y=9.75

y=4.875

(i hope i did this right if not im sorry!!)

3 0
3 years ago
Could anyone help me with this? (we are learning area of a circle)
REY [17]
Radius=diameter/2


semicircle=1/2pir^2
hmm
is area of circle with diameter of 1/2x
interesting
umm
the area of a semicircle with a diameter of x is (1/8)pix²
the area of a circle with diameter of 1/2x is (1/4)pix²
1/8pix² is 1/2 of 1/4pix²

first blank is 1/2 or half



circle's diameter is 1/2x
the radius of the seimicircle is x/2 or 1/2x
the circles's diameter is the same as the radius of the semicircle



the area of the semicircle with diameter of 4 is about
radius=4/2=2
1/2pi2^2=2pi or about 3.28 in²


area of circle with diameter of 2in is about
2/2=1, radus is 1
area=pi1²=pi=3.14 in²





answers



The area of a semicircle with a diameter of x is <u>half</u> the area of a circle with a diameter of \frac{1}{2}x

The circle's diameter is <u>equal to</u> the radius of the semicircle

The area of the semicircle is about <u>6.28</u> square inches.

The area of the circle with a diameter of 2 inches is about <u>3.14</u> square inches.


see attachment if you still don't know

8 0
4 years ago
One winter, a group of students measured snowfall totals at their school. This
Flura [38]

Answer:

The answer is 16.4 inches

Step-by-step explanation:

The result is calculated by adding all the values together. 3.3+10.6+2.5=16.4

3 0
2 years ago
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