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irina1246 [14]
2 years ago
12

Given the linear equation r=-2.5 t and t can only be a negative number, what quandrant will the r coordinate be located?

Mathematics
2 answers:
Citrus2011 [14]2 years ago
4 0

Answer:

quadrant 4 i think

Step-by-step explanation:

sergiy2304 [10]2 years ago
3 0

Answer:

Actually the correct answer is 2

Step-by-step explanation:

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in an after school program, students must choose to either play on the playground or read a book silently. On one cloudy day, 70
a_sh-v [17]
Play ground 70% (TOTAL)
books 30% (TOTAL)
60% of the 70% are boys
20% of the 30% are boys
Does that sound about right for a start?

4 0
2 years ago
A random sample of 300 circuits generated 13 defectives. Use the data to test the hypothesis Upper H Subscript 0 Baseline colon
____ [38]

Complete Question

A random sample of 300 circuits generated 13 defectives. a. Use the data to test

                            H_o : p = 0.05

Versus

 

                          H_1 : p \ne 0.05

Use α = 0.05. Find the P-value for the test

   

Answer:

The  p-value is  p-value =  0.5949        

Step-by-step explanation:

From the question we are told that

  The sample size is  n = 300

    The number of defective circuits is  k = 13

Generally the sample proportion of defective circuits is mathematically represented as

        \^ p = \frac{k}{n}

=>     \^ p = \frac{13}{300}

=>     \^ p = 0.0433

Generally the standard Error is mathematically represented as

       SE  = \sqrt{\frac{p(1- p)}{n} }

=>     SE  = \sqrt{\frac{0.05(1- 0.05)}{300} }

=>     SE  = 0.0126

Generally the test statistics is mathematically represented as

       z =  \frac{\^ p - p }{SE}

=>     z =  \frac{0.0433 - 0.05 }{0.0126}

=>     z =  -0.5317

From the z table  the area under the normal curve to the left  corresponding to  -0.5317  is

         (P < -0.5317 ) = 0.29747

Generally the p-value is mathematically represented as

       p-value =  2 * P(Z <  -0.5317 )

=>     p-value =  2 * 0.29747

=>     p-value =  0.5949        

     

3 0
3 years ago
What is the final elevation if a bird starts at 20 m and changes 16 m?
charle [14.2K]

Answer:

36 meters

Step-by-step explanation:

The bird starts at 20 and (assuming it goes up) increases by 16 meters. You have to add to get 36. However, if the bird flies 16 meters down, the answer would be four meters. The answer 36 is assuming the bird flies upward.

5 0
3 years ago
thomas has 4 blocks colored blue,red,green and yellow. How many different ways can he combine them on a shelf?
puteri [66]

Answer: 24

Step-by-step explanation:

Take the factorial of that number.

4! = 4*3*2*1=24

8 0
3 years ago
PLEASE HELP ME ASAP!!!!!!
attashe74 [19]

Answer:

they are vertical angles

Step-by-step explanation:

just learned about this

3 0
2 years ago
Read 2 more answers
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