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8090 [49]
3 years ago
12

Which expression makes the equation true?

Mathematics
1 answer:
valina [46]3 years ago
4 0
Equation is y^20 = (   )^2

Answer: 

y to the power of 10. 
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How would I solve these equations?
kozerog [31]
51) 5x-1=0 and x+6=0
5x=1, x=1/5 and x=-6
2 solutions x=1/5 and x=-6

52)x(2x+3)=0
2x=0 and 2x+3 =0
x=0   and x=-3/2=-1.5

53) x(5x-1)=0
x=0 and 5x-1=0
x=0 and x=1/5

54) z(4z+7) =0
z=0 and 4z+7=0
z=0 and z= - 7/4 = -1.75
z=0 and z=-1.75
4 0
3 years ago
Read 2 more answers
Three experts gave opinions on how long a task will take to finish. The estimates were 29, 10, and 12 days (in no particular ord
nirvana33 [79]

Answer:

15

Step-by-step explanation:

PERT estimate is a measuring strategy that is based on a weighted average. It is used in measuring the uncertainty and risk via three estimates to determine an estimated likelihood for a project's cost or period of completion.

The formula is (O + 4M + P) ÷ 6

Where P is the most pessimistic = 29

M is the most likely = 12

O is the most optimistic = 10

Hence we have (10 + [4*12]+ 29) ÷ 6

= (10 + 48 + 29) ÷ 6

= 87÷6 = 14.5 ≈ 15

Rounded figure is equal to 15.

Hence the final answer to the question is 15

7 0
3 years ago
Alan spent 3 hours building a model for his science project. This was 60% of the total time he spent on the project. How many ho
Vikentia [17]

Answer:

1.8 hours i hope this helps

Step-by-step explanation:

6 0
3 years ago
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Which is bigger a milliliter or a centimeter
Degger [83]
Centimeter is bigger.
7 0
3 years ago
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In the number 8444 what is the relationship betwee n the 4s
qwelly [4]

They are the same number but in the ones tens and hundreds place
4 0
3 years ago
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