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GrogVix [38]
3 years ago
15

which expression is equivalent to the expression shown? 3 to the power of 7 X 3 to the power os negative 4

Mathematics
1 answer:
grandymaker [24]3 years ago
5 0

Answer:

The answer is 27

Step-by-step explanation:

I worked it out using a calculator

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9.296 times 10 to the 7th power in standard form
Volgvan
The answer is 9,2960000
6 0
2 years ago
Is 419108 divisible by 4?​
Ksivusya [100]

Answer:

419,108 is divisible by 4

Step-by-step explanation:

419,108 is divisible by 4, if there is an integer 'n' such that 419,108 = 'n' × 4.

4 0
3 years ago
Read 2 more answers
48% of their readers own a particular make of car. A marketing executive wants to test the claim that the percentage is actually
oksian1 [2.3K]

Answer:

There is no sufficient evidence to support the executive claim

Step-by-step explanation:

From the question we are told that

     The  population proportion is  p =  0.48

      The  sample proportion is  \r p  =  0.45

       The sample  size is  n  =  300

       The  level of significance is \alpha  =  0.02

The null hypothesis is  H_o  :  p=  0.48

The  alternative hypothesis is  H_a  :  p \ne  0.48

   Generally the test statistics is mathematically evaluated as

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

=>        t =  \frac{0.45   -  0.48   }{ \sqrt{ \frac{0.48 (1 -  0.48 )}{300} } }

=>       t =  -1.04

The  p-value is mathematically represented as

     p-value  =  2P(z  >  |-1.04|)

Form the z-table  

                 P(z  >  |-1.04|)  =   0.15

=>   p-value  =  2 * 0.15

=>   p-value  = 0.3

Given that  p-value  >  \alpha  we fail to reject the null hypothesis

   Hence we can conclude that there is no sufficient evidence to support the executive claim

5 0
3 years ago
Is {(1,2),(2,4),(-1,2),(0,3)} a function?
daser333 [38]

Answer:

No it is not a function

Step-by-step explanation:

Since x=0 produces y=4 and y=0, the relation (2,3),(0,4),(−1,2),(3,−4),(0,0),(-3,−2),(−2,0) is not a function.

5 0
2 years ago
A medical clinic performs three types of medical teststhat use the same machines. Tests A, B, and C take 15 minutes, 30 minutes
Alex17521 [72]
You can do 9/1 x A
                 2 x (9/0.5 x B)
                 9/0.25 x C
so 9A + 36B + 36C
(9 x 50) + (36 x 80) + (36 x 120) = 450 + 2880 + 4320 = $7650
4 0
2 years ago
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