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dezoksy [38]
3 years ago
14

Help me in this

Mathematics
1 answer:
strojnjashka [21]3 years ago
5 0

Hello from MrBillDoesMath!

Answer:    C)


Discussion:

To solve x^2 = 36/81  take the square root of both sides.

x = square root of (36/81)

As 36 = 6*6 and 81 = 9*9,

x = square root of (6*6)/ (9.9) or 6/9  

But 6 and 9 share the common factor "3" so

x =  6/9 = (2*3)/(3*3) = 2/3              

The last equality was gotten by cancelling the common factor 3.

         

Regards, MrB

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QUESTION ATTACHED PLZ HELP NEEDED
saw5 [17]
Y = a (x + 3)² - 1

Let's take the point (-1;3)

3 = a ( -1 + 3)² - 1
3 = 4a - 1
4a = 4

Therefore a = 4/4 = 1

(x+3)² - 1
= x² + 6x + 9 - 1
= x² + 6x + 8

The answer would be y = x² + 6x + 8.

Hope this helps !

Photon
4 0
3 years ago
7. Certain car manufacturers install a gauge that tells the driver how many miles they can drive
nalin [4]

Answer:

A) Slope - 1.1889. The Predicted distance the drivers were able to drive increases by 1.1889

Step-by-step explanation:

5 0
3 years ago
Dr. Green finds a note from another scientist. It says how many boxes of bug nets they should bring, but there is a smudge over
Marizza181 [45]

Answer:

The correct answer is the number in the note is 80 and the first digit is 8.

Step-by-step explanation:

Dr. Green finds a note from another scientist. It says how many boxes of bug nets they should bring, but there is a smudge over the first digit of the number.

Number of nets that they must bring is 320.

Each box contains 4 nets.

There number of boxes necessary to be brought is given by \frac{320}{4} = 80.

Therefore the missing digit of number the number in the note is 8.

8 0
3 years ago
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Helppppppppppppppppppp
Daniel [21]
Hey there! :D

Remember that the question said estimate. 

So 

47% rounds to 50% 

.5 and 1/2 are equal to 50% 

89 rounds to 90. 

You could say that:

1/2*90

0.5*90

90/2 

These will all work and will give you the same answer. 

I hope this helps!
~kaikers
8 0
3 years ago
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The equation of line EF is y = 2x + 1. Write an equation of a line parallel to line EF in slope-intercept form that contains poi
blsea [12.9K]
The answer is y = 2x+2
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3 years ago
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