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marta [7]
2 years ago
8

a piece of string, 48 cm long, is folded in half lenghtways, then in half again and then in half again

Mathematics
1 answer:
ss7ja [257]2 years ago
6 0
It should be 3cm if I did it right
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Solve the equation<br> 9x² – 29x – 28 = 0<br> Give your answers to 2 decimal places when appropriate
andrew-mc [135]

Answer:

x = 4 or x = 0.78

Step-by-step explanation:

9x² – 29x – 28 = 0

2 roots: x = ((-(-29) ± √(-29)² - 4 x 9 x (-28)) / (2 x 9)

               = (29 ± √841 + 1008) / 18

               = (29 ± 43) /18

x = 72 /18 = 4     or

x = -14 /18 = - 0.78

4 0
2 years ago
Search results for There were 35 bunches of roses and tulips. Each brunch at 12 of the same flowers. There were seven more bunch
KIM [24]
If it is supposed to say <span>seven more bunches of tulips than roses,  that would mean, if there are 35 bunches in all, and if each bunch had 12 of the same flowers.... that must mean each bunch had 12 flowers so, 12*1/2/35.  35/1/2 would be 35/0.5 that would equal... 17.5. so, 12*17.5= 210. if there was seven more added, than, 7/2= 3.5 and 12*3.5= 42. 210+42=252.

That means there are 252 tulips, i might be wrong (i probably am), i am just going by logic, lol
</span>
3 0
3 years ago
What percent increase is 21% over 76%
Neporo4naja [7]
Answer:= 261.905% increase

Solution:
Calculate percentage change
from V1 = 21 to V2 = 76
(V2−V1)|V1|×100
(V2−V1)|V1|×100
=(76−21)|21|×100
=(76−21)|21|×100
=5521×100
=5521×100
=2.61905×100
=2.61905×100
=261.905%change
=261.905%change
=261.905%increase
3 0
2 years ago
14 pies eaten in 2 minutes what's the rate
anyanavicka [17]

Answer:

7 pies per minutes

Step-by-step explanation:

14/2 =7

so 7 is your number of pies eaten in one minutes

4 0
3 years ago
Read 2 more answers
Plz help 7th grade math ASAP
Nikolay [14]

Answer:

6

Step-by-step explanation: think of it this way. When you adding a positive to a negative, you simply taking the negative away from the positive. So in this case, you are subtracting 2 from 8 to get six. Or, its the difference between the positve and the negative!! Hope this helps!

5 0
2 years ago
Read 2 more answers
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