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Romashka [77]
2 years ago
14

Find AB using the segment addition postulate. Show all work in setting up and solving your equation.

Mathematics
1 answer:
wolverine [178]2 years ago
4 0

Answer:

AB = 12

Step-by-step explanation:

Segment addition postulate,

AC = AB + BC

24 = 2x+6+5x-3

Adding the like terms,

7x+3 = 24

Subtract 3 from both sides,

7x = 24-3

7x = 21

Divide by 7,

x = 21/7

x = 3

AB = 2x+6

AB = 2*3 + 6

AB = 6 + 6

AB = 12

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Plz help I have 20 min to submit
DENIUS [597]

Answer:

1 and A, Solution = (3,14): 3 and B, Solution = (-4.5,-19): 2 and C Solution = (-10,7)

Step-by-step explanation:

8 0
2 years ago
What is 9 7/8 written as a decimaal?i will give brainliest,points,and friend requests.
I am Lyosha [343]

9 7/8 written as a decimal is 9.88

Work: So, The first thing I did was 9 (Whole Number) times the Denominator. After the Multiplication, I had gotten 72. I added 72 by the numerator which is 79. Then, I divided 79 by the denominator, and I had gotten 9.875, and I rounded it up to 9.88

I hope this helps, and you get this question correct. :)

8 0
3 years ago
3. What % of 100 is 13?
Sedbober [7]

Answer:

To get the solution, we are looking for, we need to point out what we know.

1. We assume, that the number 13 is 100% - because it's the output value of the task.

2. We assume, that x is the value we are looking for.

3. If 13 is 100%, so we can write it down as 13=100%.

4. We know, that x is 100% of the output value, so we can write it down as x=100%.

5. Now we have two simple equations:

1) 13=100%

2) x=100%

where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

13/x=100%/100%

6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 100% of 13

13/x=100/100

(13/x)*x=(100/100)*x       - we multiply both sides of the equation by x

13=1*x       - we divide both sides of the equation by (1) to get x

13/1=x

13=x

x=13

now we have:

100% of 13=13

Step-by-step explanation:

Have A Wonderful Day !!

5 0
2 years ago
Next two terms 5, 3, 1.8, 1.08
Alenkinab [10]
Guessing geometric
so

hmm
5 times what=3
divide both sides by 5
what=3/5
what=0.6
each term is multiplied by 0.6

so
1.08 times 0.6=0.648
0.648*0.6=0.3888


the next 2 terms are 0.648 and 0.3888
5 0
3 years ago
What is the exact volume of a sphere with a diameter of 18 cm?<br> ______ cm3
madam [21]
The formula to find the volume of a sphere is: V= \frac{4}{3}  \pi r^{3}
Since the diameter is 18 cm, so the radius is equal to r=18/2 = 9
Now we replace r by it's value, so we get: 
\frac{4}{3} \pi  9^{3}
\frac{4}{3}  \pi 729
972 \pi
And we get approximately 3053.63  cm^{3}
Hope this Helps :D 
4 0
3 years ago
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