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san4es73 [151]
3 years ago
6

Plz help me and explain how you got the answer

Mathematics
1 answer:
Reptile [31]3 years ago
6 0
So first (3 1/2) equals to 3+1/2 which is 7/2, same for(2 1/3), 2+1/3=7/3. It's asking for speed in laps per minute, so like how many labs did she swim per minute, which is labs over time——(7/2)/(7/3)=(7/2)*(3/7)=3/2. So she swam 3/2 labs per minute.
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The ratio of coins to notes in a bag is 3 to 8. If there are a total of 24 coins then how many notes are there? 
BaLLatris [955]
Set up a proportion 
3 coins:8 notes and then the other one 24 coins : x (unknown notes)
they have a relationship so we can set them equal to each other.
3/8=24/x cross multiply: 8 * 24 = 192
Now divide that by 3: 192/3 = 64 
So there are 64 notes in the bag
8 0
3 years ago
Eli's Bakery recently spent a total of $91 on new equipment, and their average hourly operating costs are $6. Their average hour
skelet666 [1.2K]

Answer:

this is your answers for

Step-by-step explanation:

8hrs and both equal

5 0
2 years ago
Twenty-six students apply to serve as an usher at a school function. Eight of the those applying are freshmen, 7 are sophomores,
Gelneren [198K]

Answer:

d

Step-by-step explanation:

from usatestprep:

The situation is not an example of uniform probability because freshmen, sophomores, juniors, and seniors do not have equal probabilities of being selected.; Uniform probability → equal probability of being selected

P(freshman) =  

8/

26

; P(sophomore) =  

7 /

26

; P(junior) =  

6 /

26

; P(senior) =

5 /

26

; unequal probabilities → not uniform

6 0
3 years ago
Read 2 more answers
A cyclist travels at a rate of 1.8 kilometers per minutes.how fat will the cyclist travel in 48 minutes?
WARRIOR [948]
You would multiply 1.8 × 48 to find your answer.

1.8
×48
--------
14.4
+72.0
--------
86.4

So the cyclist travels 86.4 km
4 0
3 years ago
What is this, x-8 all over 3=3
inysia [295]
You mean (x-8)/3 = 3 ...right?

You would multiply both sides by 3.
Then, add 8 to both sides.

x=17
5 0
3 years ago
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