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erica [24]
3 years ago
11

In school we're learning about square roots. We have a quiz Monday on square roots 1-20 and we have 2 minutes to go it I need a

trick to make learning them easier and quicker please
Mathematics
2 answers:
Fantom [35]3 years ago
5 0
Are you learning about the simple square roots, as in square root of 36 for example? If so.. the best "trick" that I can think of to make it easier is if you know your multiplication pretty well, then it should be helpful.

Square root of 36 is 6 because 6 times 6 equals 36.
Square root of 49 is 7 because 7 times 7 equals 49.
Square root of 81 is 9 because 9 times 9 equals 81.
And so on.

amm18123 years ago
3 0
Make a song with the numbers I did this in 4th grade.
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Y’all know this anything about this?
Andre45 [30]

We are given:

  • Parallelogram CDEF
  • ∠C = 13x - 10
  • ∠D = 5x + 10

To Find: ∠E

Concept Used:

  • Adjacent angles of a Parallelogram are Supplementary

Finding the value of 'x':

Since adjacent angles of a parallelogram are Supplementary:

∠D + ∠C = 180

5x + 10 + 13x - 10 = 180              [replacing the values of angle C and D]

18x = 180

x = 10                                          [dividing both sides by 18]

__________________________________________________________

Finding Measure of Angle D:

We are given that:

∠D = 5x + 10

∠D = 5(10) + 10                    [since x = 10]

∠D = 60°

__________________________________________________________

Finding the measure of ∠E:

∠D and ∠E are Adjacent angles

Since Adjacent angles are Supplementary:

∠D + ∠E = 180

60 + ∠E = 180

∠E = 120°                                  [subtracting 60 from both sides]

Hence, the measure of ∠E = 120°

7 0
2 years ago
What is the answer to this equation: 7.4 - 9 - 2r =18
lorasvet [3.4K]

We can get the answer to this equation by solving for the variable (r).


7.4 - 9 - 2r = 18


We want to get r on one side, so we want to push everything else to the other side.


-2r = 18 - 7.4 + 9


-2r = 19.6


2r = -19.6


r = -9.8

5 0
3 years ago
Read 2 more answers
Help!!!!!!! solve the inequality
taurus [48]

Answer:

25≥ w

i dont have the inquality sign

Step-by-step explanation:

multiply both sides by 5/4

4 0
3 years ago
!!!*BRAINLIEST*!!!
QveST [7]

Answer:

A

Step-by-step explanation:

Area = length times height times width

Area = 164 x 82 x 9.8

= 131790.4

Multiply by 7.48 since it takes 7.48 gallons to fill a cubic foot then you find the answer of A.

8 0
3 years ago
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Anika [276]

Answer:

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Step-by-step explanation:

it would be half a meter

7 0
2 years ago
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