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skelet666 [1.2K]
2 years ago
11

The price of 25 tickets is $2705 dollars. Find the price of 8 tickets​

Mathematics
2 answers:
mojhsa [17]2 years ago
7 0

Answer:

Step-by-step explanation:

25 tickets = $2705

1 ticket = \frac{2705}{25}

            = $108.20

8 tickets= 108.20×8

             =$865.60

DiKsa [7]2 years ago
6 0

Answer:

the price of 25 tickets=$2705

now,

the price of 1 ticket=$2705÷25

=$108.2

again,

the price of 8 tickets=$108.2×8

=$865.6

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The answer is B. (2x + 5)(x + 1)You could answer this by expanding each answer until you found one that matched 2x^2 + 7x + 5, but I will only show how the answer expands:
2x × x = 2x^2
5 × x = 5x
2x × 1 = 2x
5 × 1 = 5

So in total those brackets expand to 2x^2 + 7x + 5. I hope this helps!
6 0
3 years ago
Georgianna claims that in a small city renowned for its music school, the average child takes at least 5 years of piano lessons.
Allisa [31]

Answer:

The  condition  are

           The  Null hypothesis is  H_o  :  \mu = 5

           The  Alternative hypothesis is  H_a  :  \mu <  5

The  check revealed that

             There is sufficient evidence to support the claim that in a small city renowned for its music school, the average child takes at least 5 years of piano lessons

Step-by-step explanation:

From the question we are told that

     The  population mean is  \mu =  5 \ year

      The sample size is  n =  20

      The sample mean is  \=  x  =  4.6 \  years

       The  standard deviation is \sigma  =  2.2  \ years

   The  Null hypothesis is  H_o  :  \mu = 5

   The  Alternative hypothesis is  H_a  :  \mu <  5

So i will be making use of  \alpha =  0.05 level of significance to test this claim

    The critical value of  \alpha from the normal distribution table is  Z_\alpha  =  1.645

 

Generally the test statistics is mathematically evaluated as

                 t =  \frac{\= x  - \mu}{ \frac{\sigma }{\sqrt{n} } }

substituting values

                 t =  \frac{ 4.6  - 5}{ \frac{2.2}{\sqrt{20} } }

                t =  -0.8131

Looking at the value of  t and Z_{\alpha } we see that  t <  Z_{\alpha } so we fail to reject the null hypothesis  

  This implies that there is sufficient evidence to support the claim that in a small city renowned for its music school, the average child takes at least 5 years of piano lessons.

4 0
2 years ago
What is the value of x? ​
neonofarm [45]

Answer:

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Step-by-step explanation:

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3 years ago
Construct an equilateral triangle of side 7cm and construct circumcircle.
zalisa [80]

Answer:

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Step-by-step explanation:

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<em>You now have an equilateral triangle with 7cm sides.  Next you need to draw the circle</em>

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And you're done!

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2 years ago
Help please if m1 = 72 then find the value of m3​
Dima020 [189]

m<3 =72°

This is because m<1 and m<3 are vertically opposite.

8 0
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