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Tanya [424]
3 years ago
15

Find the mean median mode of 12,25,23,17,23

Mathematics
2 answers:
creativ13 [48]3 years ago
8 0

list the data set ( or listed numbers) from least to greatest:

12, 17, 23, 23, 25

Mode: 23

Median: 23

Mean: 12 + 17 + 23 + 23 + 25 = 100/5 = 20

lilavasa [31]3 years ago
4 0
12,17,23,23,25
mod = 23
median = 23
 
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Kelly paid $45.36 for a sweater that was on sale for 25% off the original price. She paid 8% sales tax on the sale price.
Shalnov [3]
Take 45.36 *.08 to get the price of the sweater 45.36 *.08 =3.6288 so take 45.36-3.63= 41.73 and take 41.73 *.25 = 10.4325 take 41.73+10.43=52.16 is the original price of the sweater
5 0
2 years ago
A tree that is 14 feet tall casts a shadow that is 30 feet long. Find the angle of the elevation from the top of the shadow to t
Umnica [9.8K]

Let x = angle we must find

tan x = 14/30

arctan(tan x) = arctan(14/30)

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8 0
3 years ago
Let u = (1, 2 -2), v= (2, 1, 3) and w = j + 4k. a) Find cos theta, where theta is the angle in degrees between u and w.
vodka [1.7K]

Answer: The value of cos theta is -0.352.

Step-by-step explanation:

Since we have given that

\vec{u}=1\hat{i}+2\hat{j}-2\hat{k}\and\\\\\vec{w}=\hat{j}+4\hat{k}

We need to find the cos theta between u and w.

As we know the formula for angle between two vectors.

\cos\ \theta=\dfrac{\vec{u}.\vec{w}}{\mid u\mid \mid w\mid}

So, it becomes,

\cos \theta=\dfrac{2-8}{\sqrt{1^2+2^2+(-2)^2}\sqrt{1^2+4^2}}\\\\\cos \theta=\dfrac{-6}{\sqrt{17}\sqrt{17}}=\dfrac{-6}{17}=-0.352\\\\\theta=\cos^{-1}(\dfrac{-6}{17})=110.66^\circ

Hence, the value of cos theta is -0.352.

8 0
3 years ago
5.
Naddik [55]

Answer:

what a confusing question?

Step-by-step explanation:

im guessing 3 feet

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2 years ago
Express 6 cups to 4 quarts as a fraction in simplest form.
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3/2 because you divide both by 2
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