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Goshia [24]
3 years ago
15

0825 ®

Mathematics
1 answer:
balu736 [363]3 years ago
5 0

Answer:

if n(a)=4

if n(b)=3

then n(c)= 2

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15 points please help
podryga [215]

Answer:

The range is y> 9

Step-by-step explanation:

8 0
3 years ago
What quadrant would you find the ordered pair ( correct answer gets brainliest)
zhenek [66]

Answer:All coordinate pairs that are in Quadrant I will have a positive x value and a positive y value. All coordinate pairs that are in Quadrant II will have a negative x value and a positive y value. All coordinate pairs that are in Quadrant III will have a negative x value and a negative y value.

Step-by-step explanation:ebob

8 0
3 years ago
Consider the following quadratic function. (Graph) What is the value of a?
balu736 [363]
I believe that the a value is 2

5 0
3 years ago
A researcher wants to test if the mean annual salary of all lawyers in a city is different from $110,000. A random sample of 50
KiRa [710]

Solution :

This is the two tailed test.

The null hypothesis and the alternate hypothesis is as :

Null hypothesis is $H_0:\mu=110000$

Alternate hypothesis is $H_0:\mu \neq110000$

$\overline x = 112000, \ \mu = 110000, \sigma = 16100, n =  50, \alpha = 0.02$

Therefore, the critical value of z is :

$z_{\alpha} = -2.33 \text{ and}\  2.33$

Now the test statics is :

$z=\frac{\frac{(\overline x - \mu)}{\sigma}}{\sqrt n}$

$z=\frac{\frac{(112000-110000)}{16100}}{\sqrt {50}}$

$z=0.87$

The test statics is 0.878

We see that it is a right tailed test.

$P(z > 0.878)=1-P(z

$P- \text{value}= \ 2 \times 0.19$

              = 0.3800

Thus , P-value > α

So we fail to reject the null hypothesis.

5 0
3 years ago
Paul get 5$ week for doing his chores he is saving his money to buy a skateboard that cost 85$ he has already saved 5$
TiliK225 [7]

Answer:

16 weeks

Step-by-step explanation:

85 divided by 5 is 17. Take away one week for the $5 he already has. So you get 16 weeks.

Hope this helps you!

6 0
3 years ago
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