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Akimi4 [234]
3 years ago
11

After purchasing a cell phone online, Mary attempts to sell the phone for $325. If this was a markup of 24%, how much did Mary o

riginally buy the phone for?​
Mathematics
2 answers:
Elza [17]3 years ago
7 0

Answer:

Mary originally bought the phone at $247

Step-by-step explanation:

Basically Mary had bought the phone 24% lesser than $325,

So to reduce 325$ by 24%  we should do 100% - 24% = 76%,

So the answer is 76/100 × 325 So we should do 76/100 then multiply it by 325,

So,

76/100 = 0.76

Multiply it,

0.76 * 325 = 247

baherus [9]3 years ago
6 0

Answer:

Mary bought the phone for 1350

Step-by-step explanation:

The price mary bought the phone shall 100%

$325 is 24% of the price which she bought it.

So if $325 is equal to 24% , what shall 100 percent represent?

In order to find the answer to this, we cross multiply as follows;

24% = $325

100% = ?

cross multiply the above to get,

( 325 * 100 ) / 24

The abouve gives us the answer 1350

So 1350 is the original buying price of the phone.

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A group of children 6 to 10 years old were asked how many video games they owned. The scatter plot shows the results. What is th
jolli1 [7]

The range of the video games owned for the cluster is between 8 to 10.

Given

A group of children 6 to 10 years old were asked how many video games they owned.

The scatter plot shows the results.

<h3>What is the range?</h3>

The range is the difference between the lowest and highest numbers in a data set.

The range of video games owned for the cluster is 8 to 10.

Therefore,

The range of the video games owned for the cluster is;

\rm Range = Highest \ value - lowest \ value\\\\Range=10-8\\\\Range=2

Hence, the range of the video games owned for the cluster is between 8 to 10.

To know more about Range click the link given below.

brainly.com/question/8041076

7 0
3 years ago
The nth term of a sequence is 60-8n. Find the largest number in this sequence.
natka813 [3]

Answer:

52

Step-by-step explanation:

1st term is =60-8=52

a2=60-16=44

a3=60-24=36

a4=60-32=28

a5=60-40=20

a6=60-48=12

....

sI the terms are 52,44,36,28, 20,12,4,-4,-12....

so the largest term is 52

6 0
3 years ago
79.83 - 24.92 - 54.91
enot [183]
0 is the answer 79.83-54.91-24.92=0
8 0
4 years ago
Read 2 more answers
How many times longer does it take light from the Sun to reach Neptune than Mercury? Express this number in standard notation. E
stealth61 [152]

9514 1404 393

Answer:

  77.6

Step-by-step explanation:

The ratio of light times will be the ratio of distances:

  (light time to Neptune) / (light time to Mercury)

     = (Neptune distance)/(Mercury distance)

     = (27.93×10^8 mi)/(0.3598×10^8 mi) = 27.93/0.3598

     ≈ 77.6

It takes about 77.6 times as long for light to reach Neptune as it does to reach Mercury.

5 0
3 years ago
38. Evaluate f (3x +4y)dx + (2x --3y)dy where C, a circle of radius two with center at the origin of the xy
lina2011 [118]

It looks like the integral is

\displaystyle \int_C (3x+4y)\,\mathrm dx + (2x-3y)\,\mathrm dy

where <em>C</em> is the circle of radius 2 centered at the origin.

You can compute the line integral directly by parameterizing <em>C</em>. Let <em>x</em> = 2 cos(<em>t</em> ) and <em>y</em> = 2 sin(<em>t</em> ), with 0 ≤ <em>t</em> ≤ 2<em>π</em>. Then

\displaystyle \int_C (3x+4y)\,\mathrm dx + (2x-3y)\,\mathrm dy = \int_0^{2\pi} \left((3x(t)+4y(t))\dfrac{\mathrm dx}{\mathrm dt} + (2x(t)-3y(t))\frac{\mathrm dy}{\mathrm dt}\right)\,\mathrm dt \\\\ = \int_0^{2\pi} \big((6\cos(t)+8\sin(t))(-2\sin(t)) + (4\cos(t)-6\sin(t))(2\cos(t))\big)\,\mathrm dt \\\\ = \int_0^{2\pi} (12\cos^2(t)-12\sin^2(t)-24\cos(t)\sin(t)-4)\,\mathrm dt \\\\ = 4 \int_0^{2\pi} (3\cos(2t)-3\sin(2t)-1)\,\mathrm dt = \boxed{-8\pi}

Another way to do this is by applying Green's theorem. The integrand doesn't have any singularities on <em>C</em> nor in the region bounded by <em>C</em>, so

\displaystyle \int_C (3x+4y)\,\mathrm dx + (2x-3y)\,\mathrm dy = \iint_D\frac{\partial(2x-3y)}{\partial x}-\frac{\partial(3x+4y)}{\partial y}\,\mathrm dx\,\mathrm dy = -2\iint_D\mathrm dx\,\mathrm dy

where <em>D</em> is the interior of <em>C</em>, i.e. the disk with radius 2 centered at the origin. But this integral is simply -2 times the area of the disk, so we get the same result: -2\times \pi\times2^2 = -8\pi.

3 0
3 years ago
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