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nadya68 [22]
3 years ago
13

Determine which line the point (3, -2) lies on.

Mathematics
1 answer:
wlad13 [49]3 years ago
4 0

Answer:

y = -2x + 4

Step-by-step explanation:

I hope the picture is self explanatory, If you input the line into each of the statements they should be equal.

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If 6x+4y=2 and 2x-7y=20 what is 8x-3y<br> ????<br> ???
Marizza181 [45]
Just add the two equations.

8x-3y=22

I hope this helps :)
4 0
3 years ago
An independent-measures research study uses a total of 18 participants to compare two treatment conditions. If the results are u
Luba_88 [7]

Answer:

The answer is false

Step-by-step explanation:

In a sample above 30 obs  like this the confidence interval is defined as

X+- t* (s/sqrt(n)) where X is the mean t the tvalue for a given confidence level, n the size of sample and s standar deviation.

To find de appropiate value of t we must see the T table where rows are degrees of freedom and columns significance level

The significance is obtained:

significance = 1 - confidence level = 1 - 0.9 = 0.10

Degrees of freedom (df) for the inteval are

df = n - 1 = 18 - 1 = 17

So we must look for the value of a t with 17 values and significance of 0.10 which in t table is 1.740 not 1.746 ( thats the t for 16 df)

6 0
3 years ago
How to simplify the square root of 9/245
lana66690 [7]
<span><span>the exact answer is 3 over
 <span>5√</span> </span>35</span>
8 0
3 years ago
How to find the square root of 56 without using a calculator
Olegator [25]
There an old algorythmic method similar to long division:-
          
                 7 .   4   8   3
              -----------------
              ) 56. 00 00 00
          7  ) 49
              ) ---
     144   )   7 00
             )    576   
                  ----
  148 8 )     12400
           )      11904
                  -------
          )       496 00
1496 3  )    44889    

THis gives the square root as 7.48  to the nearest hundredth

 
7 0
3 years ago
Read 2 more answers
In what ways is it useful to develop an algorithm for adding and subtracting rational numbers?
Julli [10]

Answer:

because why not

Step-by-step explanation:

7 0
3 years ago
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