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erastovalidia [21]
4 years ago
9

Please explain how you got it

Mathematics
1 answer:
lana [24]4 years ago
6 0
I’m pretty sure it’s the victim did not have a venomous bite, move the a^-4 up and the b^-4 down so the expression would be a^5a^4/b^4b^3, you would multiply them which makes you add the exponents which would make it a^9/b^7. Hope this helps :)
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For science class, a student recorded the high and low temperatures, in Fahrenheit, over a ten day period in September. The data
Anestetic [448]
Thee correlation factor formula for two variables is 
(r) =[ nΣxy – (Σx)(Σy) / Sqrt([nΣx^2 – (Σx)^2][nΣy^2 – (Σy)^2])].

A). as per the formula the correlation factor for the given  data is 0.94.

B). the month of September has the highest correlation as 0.94 is much closer to 1 than 0.89.( note: 1 denotes the perfect correlation and 0 denotes no correlation at all)

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3 0
3 years ago
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Kira has 9 bags of of shells. Each bag holds 9 shells. How many shells does Kira have?​
Marizza181 [45]

Answer:

81 Bags of Shells

Step-by-step explanation:

9 X 9 = 81

7 0
3 years ago
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A musician spends 90 minutes practicing piano and guitar the time spent is 30 minute less than twice the same time spent on guit
11111nata11111 [884]

Answer:

The which spends on the piano is( 50 minutes )

The which spends on the guitar is( 40 minutes )

Step-by-step explanation:

The steps of the solution in the above photo

I hope that is useful for you :)

8 0
3 years ago
Solve using any method. All work must be shown and handwritten.
Rashid [163]

Answer:

x =  - 3

y = 1

Step-by-step explanation:

Write the system

3x - y =  - 10

x + y =  - 2

Solve by Elimination.

multiply the second equation by -3.

3x - y =  - 10

-3x   - 3y =  6

Add the Equations.

- 4y =  - 4

y = 1

Plug this back in one of the equations.

x + 1 =  - 2

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8 0
3 years ago
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Simplify the following expression.<br> 2x^2-9-17x^2+10+7x
snow_lady [41]

Answer:

- 15x² + 7x + 1

Step-by-step explanation:

Given

2x² - 9 - 17x² + 10 + 7x ← collect like terms

= (2x² - 17x² ) + 7x + 1

= - 15x² + 7x + 1

5 0
3 years ago
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