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In-s [12.5K]
2 years ago
14

it takes about me 25 minutes to make out a test for a mathamatics class. How long will it take to make out tests for all fve of

my classes
Mathematics
2 answers:
Alekssandra [29.7K]2 years ago
5 0
²25
<u>x5
</u>125
<u>Final Answer: 125

</u>
Elza [17]2 years ago
3 0
150 minutes of mathmatices class
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Find the solutions to sin2(x) + cos(x) = 1, keeping 0 ≤ x &lt; 2π
frozen [14]
Sin2(x) +cos(x)=1
from the relation: (sin2(x) +cos2(x) =1 )
so , sin2(x)=1-cos2(x)
by subs. in the main eqn.
1-cos2(x) + cos(x) =1
by simplify the eqn.
cos(x) -cos2(x)=0
take cos(x) as a common factor
cos(x)* (1-cos(x))=0
then cos(x)=0 && cos(x)=1
cos(x)=0 if x= pi/2
& cos(x) = 1 if x = 0 , 2*pi
so the solution is x= {0,pi/2 , 2*pi}
3 0
3 years ago
Find two points on the line to be graphed. y-5=0
Nonamiya [84]
Any point with the y of 5 could be the answer
3 0
2 years ago
A typical high school student consumes 67.5 pounds of sugar per year. As part of a new nutrition plan, each member of the track
tino4ka555 [31]

Answer:

54 Pounds

Step-by-step explanation:

We know that they start off with 67.5 pounds of sugar and they need to reduce it by 20%. We also know from the problem that we want to know the MAXIMUM amount of sugar consumed by each track member.

The typical high school student consumes about 67.5 pounds of sugar per year. That is our first piece of the problem

67.5

We now know that 20% of it needs to be reduced. This means that we can multiply it by 0.8 because that is 20% less than 100% of the sugar.

67.5 x 0.8

This leads the answer to be 54 Pounds

Hope this helped :D

4 0
3 years ago
Use the diagram to answer the questions below.
PtichkaEL [24]
The answer is E hope this helps
5 0
2 years ago
Expand and simplify 3(3x - 4) - 2(2x - 1)
bogdanovich [222]

Answer:

5x-10

Step-by-step explanation:

expand to 9x-12-4x+2

collect like terms.

5x-10

4 0
1 year ago
Read 2 more answers
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