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avanturin [10]
3 years ago
7

I need help!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
krek1111 [17]3 years ago
4 0

Answer:

Step-by-step explanation: I think the answer is a

Mama L [17]3 years ago
3 0
Yeah same I think the answer is a
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Solve the system of equations. (3x + 4y = 5) (2x - 3y = -8)
vovikov84 [41]

Answer:

the solution is (-1, 2)

Step-by-step explanation:

Let's solve the system

(3x + 4y = 5)

(2x - 3y = -8)

using the method of elimination by addition and subtraction.  Notice that if we multiply all terms of the first equation by 3 and all terms of the second by 4, y as a variable will temporarily disappear:

  9x + 12y = 15

  8x - 12y  = -32

-----------------------

 17x       = - 17, so x = -1.  

Replacing x in the second equation by -1, we get:

2(-1) - 3y = -8, or

2 + 3y = 8,

or 3y = 6.  Thus, y = 2, and the solution is (-1, 2).

5 0
2 years ago
A survey of 250 homeless persons showed that 14 were veterans. Find a point estimate for the population proportion of homeless p
snow_lady [41]

Answer:

\hat p =\frac{14}{250}= 0.056

And for this case that represent the 5.6% of the homeless persons who are veterans

Step-by-step explanation:

We know that in a survey of 250 homeless persons 14 were veterans. We can find the estimated proportion of homeless persons who are veterans with the following formula:

\hat p =\frac{X}{n}

The last one is an unbiased estimator of the true population proportion p

And replacing the info given we got:

\hat p =\frac{14}{250}= 0.056

And for this case that represent the 5.6% of the homeless persons who are veterans

8 0
3 years ago
Which is true about the polynomial –8m3 + 11m?
Dima020 [189]

Answer:

Binomial with a degree of 3

Step-by-step explanation:

-8m^3 + 11m....notice that it has 2 terms....(-8m^3) and (11m). Having 2 terms makes it a binomial...if it would have had 3 terms, it would have been a trinomial. If it has only one variable, the degree is the highest exponent...so this has a degree of 3 since ^3 is the highest exponent.

so the answer is : binomial with a degree of 3

7 0
2 years ago
Read 2 more answers
Round to the nearest ten
Kitty [74]
The answer is A I hope this helps
7 0
3 years ago
Read 2 more answers
Use the distributive property to simplify 1/6 × (36+1/2)
kicyunya [14]
1/6(36 + 1/2) = 6 + 1/12 = 72/12 + 1/12 = 73/12
5 0
3 years ago
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