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Artist 52 [7]
3 years ago
14

5³ - (64÷8) + 10² pls help im on my last question

Mathematics
1 answer:
boyakko [2]3 years ago
8 0
217 is your answer because you start with the parthenogenesis
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2/7 × - 3/7 = 0 what is the solution for this equation ?​
Taya2010 [7]

Answer:

Refer to explanation^

Step-by-step explanation:

As stated in the solution, 3/7 is a negative fraction.

To make it less confusing,

2/7 x (-3/7)

Multiply the numerator with the other numerator and the denominator multiply with the other. Like...

2 multiply 3 = 6 (numerator)

7 multiply 7 = 49 (denominator)

Since the 2nd fraction is a negative, the answer is negative too.

If you convert the fraction to a decimal, it gives -0.1224489796

5 0
3 years ago
Simplify. assume that no denominator is equal to zero ( show work ) <br> help please!!!
netineya [11]

Answer:

b^5

Exponent rule when dividing = subtract exponents

b^12 - b^7 = b^5

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
2x + 4y-31=123 what is the equation for x and then y​
UNO [17]

Answer:

i would say

y = ( 77 - x ) / 2

Step-by-step explanation:

2x + 4y = 123 + 31

2x +4y = 154

4y = 154 -2x

y = ( 154 - 2x ) / 4

y = ( 77 - x ) / 2

6 0
3 years ago
A) <br> -2+x=-x+2<br><br> Answer =
erma4kov [3.2K]

Answer:

The answer is x= 2

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Hoped this helped!

Brainly, Please?

4 0
4 years ago
If we are testing for the difference between the means of 2 independent populations presuming equal variances with samples of n1
Musya8 [376]

Answer:

Null hypothesis: \mu_1= \mu_2

Alternative hypothesis:\mu_1 =\neq \mu_2

And for this case we assume that we have equal variances so that means:

\sigma =\sigma_1 =\sigma_2

For this case the degrees of freedom are given by:

df= n_1 +n_2 -2

And replacing we got:

df= 20+20 -2= 38

And the best answer would be:

a. 38

Step-by-step explanation:

For this problem we want to test the following:

Null hypothesis: \mu_1= \mu_2

Alternative hypothesis:\mu_1 =\neq \mu_2

And for this case we assume that we have equal variances so that means:

\sigma =\sigma_1 =\sigma_2

For this case the degrees of freedom are given by:

df= n_1 +n_2 -2

And replacing we got:

df= 20+20 -2= 38

And the best answer would be:

a. 38

3 0
4 years ago
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