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3 years ago

PLEASE HELP TIME CRUNCH

Mathematics

1 answer:

yuradex [85]3 years ago

3 0

Correct answer choice
A. y = 3/4x + 4

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Nari says, “The sum of 10 and one-third of a number is 25.” She uses the bar model to write an equation to represent her stateme

Burka [1]

It says the sum, which hints that the two numbers will be added

So we can start the equation with 10+(1/3n)

we are then told they add up to 25
So they will equal 25

So the equation is
10+(1/3n)=25

4 0

4 years ago

Read 2 more answers

How many times larger is 4×10 to 6th power than 1 × 10 to the 4th power in scientific notation

goldenfox [79]

4x10 6th power = 280
1x10 4th power =13
So if I'm right 4x10 6power is greater

3 0

3 years ago

Find the measure of angle x in the figure below:

Doss [256]

51 is the correct answer

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4 years ago

Read 2 more answers

153 of the 258 high school students surveyed at a local school said they went outside more during school hours as elementary sch

Juli2301 [7.4K]

Answer-

It is reasonable that the state education department claims the percentage for the entire state is 63%.

Solution-

153 out of the 258 high school students surveyed at a local school said they went outside more during school hours as elementary school students than they do now as high school students.

Here,

x = 153,

n = 258,

Then,

$\text{sample proportion}=p=\dfrac{153}{258}=0.5930=59.30\%$

And,

$\text{Margin Error}=2\times \sqrt{\dfrac{p(1-p)}{n}}$

Putting the values,

$\text{ME}=2\times \sqrt{\dfrac{(0.5930)(1-0.5930)}{258}}\\\\=2\times \sqrt{\dfrac{(0.5930)(0.407)}{258}}\\\\=2\times \sqrt{\dfrac{0.2414}{208}}\\\\=2\times 0.0341\\\\=0.0682\\\\=6.82\%$

The interval would be,

$=(59.30-6.82,\ 59.30+6.82)\\\\=(52.48,\ 66.12)$

As population proportion p=63% lies in this interval, so it is reasonable.

5 0

4 years ago

Trying to finish help

Margaret [11]

It’s the first answer. The function is y = x*2

8 0

3 years ago