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eduard
4 years ago
10

Pls help qrudkh r rural ​

Mathematics
1 answer:
sveta [45]4 years ago
3 0

Answer:

your answer would be C.

Step-by-step explanation:

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Find the solution of the system of equations.<br> -9x - 5y = -18<br> 4x + 5y = 33
Rus_ich [418]

Answer:

x=-3, y=9. (-3, 9).

Step-by-step explanation:

-9x-5y=-18

4x+5y=33

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

-5x=15

x=15/-5

x=-3

4(-3)+5y=33

-12+5y=33

5y=33-(-12)

5y=33+12

5y=45

y=45/5

y=9

6 0
3 years ago
Read 2 more answers
‏ Lainey is looking for a new apartment and her realtor keeps calling her with new listings . The calls only take a few minutes
Anna35 [415]

Answer:

c ) Turn off her phone until she is on a break

3 0
3 years ago
--/1 View Policies Current Attempt in Progress In this exercise, test H0:p1=p2 vs Ha:p1&gt;p2, with p^1-p^2=0.45-0.30=0.15 for d
Monica [59]

Complete Question:

In this exercise, test  

H0:p=0.5 vs Ha:p>0.5,  

with p^=0.55 for different sample sizes. In parts (a)-(c), use StatKey or other technology to find the p-value.  

Click here to access StatKey.  

(a) p^=55100=0.55  

Round your answer to two decimal places.  

p-value=Entry field with incorrect answer  

Are the results significant at the 5% level?  

Entry field with correct answer YesNo  

(b) p^=275500=0.55  

Round your answer to three decimal places.  

p-value=Entry field with incorrect answer

Are the results significant at the 5% level?  

Entry field with incorrect answer YesNo  

(c) p^=5501000=0.55  

Round your answer to three decimal places.  

p-value=Entry field with incorrect answer  

Are the results significant at the 5% level?  

Entry field with incorrect answer YesNo  

(d) Which provides the strongest evidence for the alternative hypothesis?  

Entry field with incorrect answer (a)(b)(c)

Answer:

a. 0.1587

b. 0.0125

c. 0.0008

Step-by-step explanation:

the attached file contain the step by step comprehensive solution

8 0
3 years ago
Charlie Runs out of speed of 3 yd./s. About how many miles per hour does Charlie run
grigory [225]

3 yds/sex*3600 sec/hr=10800yds/hr

10800yds/hr/1760yds/mile

=6.136363 miles/hr  


4 0
3 years ago
Cameron said that the Y intercept of a quadratic function always tells the maximum value of the function. explain Cameron's erro
Leno4ka [110]

Answer:

We can have two cases.

A quadratic function where the leading coefficient is larger than zero, in this case the arms of the graph will open up, and it will continue forever, so the maximum in this case is infinite.

A quadratic function where the leading coefficient is negative. In this case the arms of the graph will open down, then the maximum of the quadratic function coincides with the vertex of the function.

Where for a generic function:

y(x) = a*x^2 + b*x + c

The vertex is at:

x = -a/2b

and the maximum value is:

y(-a/2b)

4 0
3 years ago
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