3 years ago

Write two numbers so that the numbers are in order. help!

Mathematics

1 answer:

Vaselesa [24]3 years ago

7 0

I really dont know ask your parents or teacher to help u understand

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gogolik [260]

The first number in the ordered pair is how many you go across, second is how many you go up. Then place a dot or, technically speaking, a point.

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3 years ago

Please help me I need help

Lynna [10]

Answer:

option C

Step-by-step explanation:

y=2x+7

hope it helps!

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3 years ago

If water and oil are combined in a container, the resulting liquid is a(n)

Igoryamba

The answser is c emulsion

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4 years ago

Which amount is larger and by how much? A positive number a or the same number a increased by 50% and then decreased by 50% of t

kogti [31]

Answer:

Step-by-step explanation:

a((100+50)/100)(100-50)/100

a(1.5)(.5)=0.75a

So a is larger than a(1.5)(0.5)

How much larger is a than 3a/4?

a/(3a/4)

a(4/3a)

a is 4/3 greater, so it does indicate a 33(1/3)% increase. Maybe they just want the fraction saying it is 1/3 greater or the difference of 0.25a

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3 years ago

According to a Field Poll conducted February 8 – 17, 2005, 79% of California adults (actual results are 400 out of 506 surveyed)

Jobisdone [24]

Answer: (0.760, 0.820)

Step-by-step explanation:

Let p be the population proportion of all adults feel that "education and our schools" is one of the top issues facing California.

Given : 79% (actual results are 400 out of 506 surveyed) of California adults feel that "education and our schools" is one of the top issues facing California.

i.e.Sample size : n= 506

Sample proportion : $\hat{p}=0.79$

Critical value for 90% confidence interval ( Using z-value table) :

$z=1.645$

Now, the 90% confidence interval for the population proportion will be :

$\hat{p}\pm z\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}$

i.e. $0.79\pm (1.645)\sqrt{\dfrac{0.79(1-0.79)}{506}}$

i.e. $0.79\pm (1.645)(0.0181)$

$\approx0.79\pm 0.030=(0.79-0.030,\ 0.79+0.030)\\\\=(0.760,\ 0.820)$

Hence, the 90% confidence interval for the population proportion= (0.760, 0.820)

7 0

3 years ago