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Naddik [55]
3 years ago
15

Someone please help me? Answe is NOT 4/7 , tried that already

Mathematics
1 answer:
pishuonlain [190]3 years ago
5 0
Yes the answer is not 4/7 its 7/4
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Will mark brainliest if correct (surface area question)
I am Lyosha [343]

Answer:

535

Step-by-step explanation:

8 x 7 = 56

15 x 17 = 255 .  255 / 2 = 127.5

15 x 17 = 255 .  255 / 2 = 127.5

15 x 7 = 105

17 x 7 = 119

119 + 105 + 127.5 + 127.5 + 56 = 535

6 0
2 years ago
If a town with a population of 10,000 doubles in size every 17 years. What will the population be 68 years from now?
dusya [7]

Let us set up the equation:

total population = 10000*(2)^{68/17}=10000*(2^4)=160000 people

  • 10000 is the initial population
  • 2 is the rate at which the population grows
  • 68/17 is the number of periods that the population grows

Hope that helps!

7 0
2 years ago
After paying nine dollars for the pie sally has fifty-six<br> dollars left
NNADVOKAT [17]
If she paid 9 dollars and she has 56 left that means she had 65 bucks to begin with
56+9=65
6 0
3 years ago
Read 2 more answers
A boat travels 300.4 kilometers in 11 hours (with a constant speed) how much time will it take traveling 240 kilometers
borishaifa [10]

Answer:

The boat travels (300.4 km / 11 hours) which is 27.30909091 kilometers per hour,  So it would take 240 / 27.30909091 hours or 8.78828229 hours.  (Which rounds off to 8.79 hours)

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
What is the equation of a quadratic function p with rational coefficients that has a zero of 3-i
Kryger [21]

Answer:

p = x² − 6x + 10

Step-by-step explanation:

Complex roots come in conjugate pairs.  So if 3−i is a root, then 3+i is also a root.

p = (x − (3−i)) (x − (3+i))

p = x² − (3+i)x − (3−i)x + (3−i)(3+i)

p = x² − 3x − ix − 3x + ix + (9 − i²)

p = x² − 6x + 10

You can check your answer using the quadratic formula.

x = [ -b ± √(b² − 4ac) ] / 2a

x = [ 6 ± √(36 − 40) ] / 2

x = (6 ± 2i) / 2

x = 3 ± i

6 0
3 years ago
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