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podryga [215]
3 years ago
10

Find the length of  if AB = 8 and CB = 4

Mathematics
1 answer:
sergeinik [125]3 years ago
7 0
There are multiple options b=3 c=1 and a=5, b=2 c=2 and a=6 or b=4 c=0 and a=4
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I need some help with this question :/
Masteriza [31]
You have one of the answers correct. The fraction 4/8 is equal to 1/2

Other answers are: 5/10, 10/20, and 6/12

If you reduced each of those fractions, you'd get to 1/2. 

You can use a calculator to find that
4/8 = 0.5
1/2 = 0.5
5/10 = 0.5
10/20 = 0.5
6/12 = 0.5
All fractions mentioned lead to the same decimal value, so this confirms all of the fractions are equivalent to one another.
7 0
3 years ago
Read 2 more answers
Allen runs 8 miles in 3 hours at a steady pace.  how long does it take him to run 3 miles
Amiraneli [1.4K]
\begin{array}{ccc}8miles&-&3hours\\\\3miles&-&xhours\end{array}\\\\8x=3\cdot 3\\\\8x=9\ \ \ \ /:8\\\\x=\frac{9}{8}\\\\x=1\frac{1}{8}\ (h)



v=\frac{8}{3}\ mph\\\\s=3miles\\\\t=s:v\\\\t=3:\frac{8}{3}=3\cdot\frac{3}{8}=\frac{3}{1}\cdot\frac{3}{8}=\frac{9}{8}=1\frac{1}{8}\ (h)
4 0
3 years ago
Read 2 more answers
(12a + 8) + (4a + 3) + (5 + a) =
PSYCHO15rus [73]

Answer:

17a + 16 =

Step-by-step explanation:

Add all a's

then all numbers w/o letters

you cannot add them together bc it would be like adding apples to carrots (thats what my teacher said)

3 0
2 years ago
WILL GIVE BRAINLIST! :)) AND 20 POINTS
abruzzese [7]

Answer:

1. D

2. D

3. H

4. B

5. B

Step-by-step explanation:

7 0
2 years ago
17-1.2+ show me how you get the answer 15.8
SashulF [63]
First do 17 - 1 to get 16. Then subtract 0.2 from 16.0 to get 15.8.
3 0
3 years ago
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