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Margarita [4]
2 years ago
13

A study in which conditions are under the direct control of the investigator.

Mathematics
1 answer:
Andre45 [30]2 years ago
3 0

Answer:

Experimental study

Step-by-step explanation:

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Find the equation of the line passing through the point (–1, 0) and parallel to the line y = –1∕2x + 3∕7
PilotLPTM [1.2K]

Answer:

y = -1/2x - 1/2

Step-by-step explanation:

Slope-Intercept Form: y = mx + b

m - slope

b - y-intercept

Step 1: Define

y = -1/2x + 3/7

Point (-1, 0)

Step 2: Find parallel line

<em>Parallel lines have the same slope as the original but different y-intercepts.</em>

<em>m</em> = -1/2

y = -1/2x + b

0 = -1/2(-1) + b

0 = 1/2 + b

b = -1/2

Step 3: Write parallel line

y = -1/2x - 1/2

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3 years ago
Need help with 6,7,8,9,10,11,12,15
Ainat [17]

Answer:

6. 1.01 x -10^5

7. 6 x -10^14

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10. 0.000204

11. 0.0004

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15. 10^3 and 10^4

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3 years ago
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6.4x+2.8y=44.4, when x=3
ANEK [815]
6.4x + 2.8y = 44.4 

6.4(3) + 2.8y = 44.4

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-19.2             -19.2 

2.8y = 25.2
------    ------
2.8      2.8

y = 9
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Answer:

Step-by-step explanation:

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3 years ago
A sequence is defined by the recursive function f(n+1)=f(n)-2 <br><br>If f(1)=10 what is f(3)?
DENIUS [597]

Answer:

f(3) = 6

Step-by-step explanation:

Using the recursive rule and f(1) = 10 , then

f(2) = f(1) - 2 = 10 - 2 = 8

f(3) = f(2) - 2 = 8 - 2 = 6

3 0
3 years ago
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