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Ann [662]
3 years ago
7

Please help I’ll mark brainliest please!!!!!

Mathematics
1 answer:
Gala2k [10]3 years ago
7 0

Answer:

C

Step-by-step explanation:

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The above figure is:
kow [346]

Answer:

non-convex polygon

Step-by-step explanation:

5 0
3 years ago
In certain county, the number of charter schools is 4 less than twice the numbervof alternative schools. We know that there are
Vitek1552 [10]
1. Let's call the number of carter school: "x" and "y" the number of alternative school.  Then, you have that:

 - T<span>he number of charter schools is 4 less than twice the number of alternative schools.
</span> - T<span>here are 48 charter schools in the country.

 2. So, you have:

 x=2y-4  (i)

 x=48  (ii)

 3. Then, when you substitute x=48 into the equation (i), you obtain:
</span>
 x=2y-4
<span> 48=2y-4

 4. Now, you must clear "y, as below:

 48+4=2y
 2y=52
 y=52/2
 y=26
 </span><span>
 How many alternative schools are in the county?
</span><span>
 The answer is: There are 26 alternative schools.</span>
6 0
3 years ago
the ratio of the number of skiers who bought passes to the number of snowboaders who bought season passes is 1:2 . if 1250 more
viva [34]
If a ratio of skiers and snumboarders is 1:2, and if there are 1250 snowboarders more than skiers, it means that is that there 2500 snowboarders and 1250 skiers.

How to check it? 2500 is 1250 more than 1250 and the ratio is still 1:2 (there are two times more snowboarders than skiers). Both conditions are fulfiled, so it's correct.
3 0
3 years ago
I don't need an explanation, I would just like the answer to these questions​
avanturin [10]

1)HGI ,S.S.S

2)DEF,A.S.A

3)C.E.D,S.A.S

6 0
3 years ago
What is the greatest common factor of 12 and 90?
dsp73
The answer is 6. Hopefully this helped!!
6 0
3 years ago
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