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34kurt
2 years ago
14

In need of help with functions in Algebra 2! Thank you!

Mathematics
1 answer:
Damm [24]2 years ago
6 0

Answer: The answer should be B

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Match the parent function name with the equation. Linear Quadratic Radical Absolute Value Rational Exponential Log Cubic Cube Ro
ozzi

Step-by-step explanation: The correct graph is #6. Cubic Function

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3 years ago
What is the leading coefficient? - 3x3 + 8x2 + 9x - 4
postnew [5]

Answer:

c

Step-by-step explanation:

the highest exponent is 3 so the leading coefficient is -3

6 0
3 years ago
Read 2 more answers
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
The angle measures of triangle QRS are given:
Trava [24]

Answer:

x = 15°

Step-by-step explanation:

(5x-15) + 75 + 3x = 180

8x + 60 = 180

8x = 120

x = 15°

7 0
3 years ago
The sum of two numbers is 11. Their difference is 3. Find the numbers
Mademuasel [1]
The answer is 7 and 4/ 7+4+11 and 7-4=3!
8 0
2 years ago
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