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2 years ago

Can you please help me

Mathematics

1 answer:

Goryan [66]2 years ago

8 0

Answer:

it is C (4,2) you need to add from 0 to the 5 in yxis then its 4 and in x axis when u go the the right like going up then it is 2 not -2 or whatever

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Tutoring ABC charges $50 sign up fee plus $12 an hour . HW helps charge a $38 sign up fee plus $15 an hour . After how many hour

tamaranim1 [39]

Answer:

Step-by-step explanation:

Tutoring ABC - $50 sign up and $12 an hour

HW helps- $38 sign up and $15 an hour

50 38

+12 +15

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74 68 Four months

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2 years ago

The supermarket has 30 aisles. 10% of the aisles are empty, without any shoppers. How many empty aisles are there in the superm

lina2011 [118]

3

10/100=x/30
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Divide each side by 100

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2 years ago

PLEASE HELP NTH TERM MATHS

fredd [130]

Answer:

odd numbers

Step-by-step explanation:

4 - 7 is 3, 7 - 12 is 5, 12 - 19 is 7, 19 to 28 is 9

So just keep counting

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1 year ago

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Which expression is equivalent to (x Superscript 27 Baseline y) Superscript one-third?

Kay [80]

Answer:

um i cannot understand that ok ?

Step-by-step explanation:

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2 years ago

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Assume that the population proportion is 0.56. Compute the standard error of the proportion, σp, for sample sizes of 100, 200, 5

Aliun [14]

Answer:

Standard errors are 0.049, 0.035, 0.022, and 0.016.

Step-by-step explanation:

The given value of population proportion (P) = 0.56

Given sample sizes (n ) 100, 200, 500, and 1000.

Now standard error is required to calculate.

Use the below formula to find standard error.

When sample size is n = 100

$\sqrt{\frac{P(1-P)}{n}} = \sqrt{\frac{0.56(1-0.56)}{100}} =0.049$

When sample size is n = 200

$\sqrt{\frac{P(1-P)}{n}} = \sqrt{\frac{0.56(1-0.56)}{200}} = 0.035$

When sample size is n = 500

$\sqrt{\frac{P(1-P)}{n}} = \sqrt{\frac{0.56(1-0.56)}{500}} =0.022$

When sample size is n = 1000

$\sqrt{\frac{P(1-P)}{n}} = \sqrt{\frac{0.56(1-0.56)}{1000}} = 0.016$

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2 years ago