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slava [35]
3 years ago
13

Please help!! Lots of points

Mathematics
1 answer:
VladimirAG [237]3 years ago
8 0
Your answer is c because you would subtract 6x in the first equation then divide by two and you will bed the third equation so C
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a survey indicated that 5 out of 8 doctors used brand X aspirin. If 4000 doctors were surveyed, how many used brand X?
fredd [130]

Answer:

2500 doctors

Step-by-step explanation:

4000/8= 500

500x5=2500

8 0
4 years ago
Suppose you deposited $900 into an account that earns 4% simple annual interest. Find the balance of the account after 6 months
Jet001 [13]
Balance after 6 months would be  900*(900+2%). You just need to evaluate it then you will get the answer. btw 2% comes from 4% because it's half of the year.
3 0
3 years ago
7. If the volume of a cylinder, where the height is 3 times the radius, is 247, find the surface area of the cylinder.
lakkis [162]

Answer:

3.87987×10^5

Step-by-step explanation:

surface area of the cylinder =2πrh+2πr²

=2*π*247*3+2*π*(247)²

=3.87987×10^5

7 0
3 years ago
44 × 20 × 10 = 440 × 2. but is it true or false ?
Vinil7 [7]
If you would like to know if 44 * 20 * 10 equals to 440 * 2, you can check it like this:

44 * 20 * 10 = 440 * 20 = 8800
and
440 * 2 = 880

So, the correct result is False, because 8800 is not equal to 880.
6 0
3 years ago
Read 2 more answers
What is the unit rate for 14 lb for $2.99
Alexeev081 [22]
How much for 1lb
2.99/14=0.213/1=$0.21

it is 21 cents per lb
4 0
3 years ago
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