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masya89 [10]
3 years ago
6

How do I solve systems of equations by sub substitution?

Mathematics
1 answer:
Maksim231197 [3]3 years ago
7 0
Help me solve this problem - x + 3x/(x + 3)^x(x + 3)
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Suppose we have samples of five men and of five women and have conducted a randomization test to compare the sexes on the variab
Annette [7]

Answer and Step-by-step explanation:

The data represent sample of five men and five women conducted a randomization test to compare the sexes on the variable pulse.  

The samples revealed that in 120 out of 252 possible outcomes under randomization have large difference. From this information it cannot be concluded that the sexes differ with regard to pulse.  

The hypothesis test should be conducted between treatment and response for valid conclusion. The student can consider the biological content of men and women or verbal statements. The answer varies from person to person according to their respective data set. Therefore, it cannot be concluded that the sexes differ with regard to pulse.  

6 0
3 years ago
F+ 20 = -1<br> Solve the equation and check your solution
Leona [35]

Answer:

f=-21

Step-by-step explanation:

-21+20=-1

f has to be a negative number as the answer is negative and -21 is the only plug in that would make sence as the answer is negative one.

6 0
3 years ago
The lengrh of a rectangle is represented by the function L(x) = 5x. The width of that same rectangle is represented by the funct
MrRissso [65]

Step-by-step explanation:

just multiply the 2 together to get the area

it would just be

(5x) \times (2{x}^{2} - 4x + 13)

use the distributive property

10 {x}^{3}  - 20 {x}^{2}  + 65

unless you want to simplify the answer, this would be the answer

simplified, it would be

5(2{x}^{3}  - 4 {x}^{2}  + 13)

7 0
2 years ago
What is 52 × 3552 give solution fast???
LUCKY_DIMON [66]

Answer:

184704

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
If u know that y=30 then what is y=4x-2
Marta_Voda [28]

Answer:

x = 8

Step-by-step explanation:

y = 4x - 2

30 = 4x - 2

+ 2        + 2

32 = 4x

/ 4     / 4

8 = x

4 0
3 years ago
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