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Ivanshal [37]
3 years ago
14

What is the are of the kite 10 m 8 m

Mathematics
1 answer:
Talja [164]3 years ago
3 0

Answer:

40

Step-by-step explanation:

I hope that 10 and 8 are the diagonals...

10 * 8 = 80

80 / 2 = 40

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I need help with this question. The directions say to evaluate and express the answer in the simplest form.
topjm [15]

Answer:

<h2>1/243</h2>

Step-by-step explanation:

(9)^-5/2

In order to get rid of the negative exponent, take the reprocal of 9/1

⇒(\frac{1}{9})^5/2

\frac{1^\frac{5}{2} }{9\frac{5}{2} }⇒This is also the same thing but we’re are breaking it down.

\frac{(1^{\frac{1}{2})^{5} } }{(9\frac{1}{2})^{5} }⇒We are further breaking this down...

^\frac{1}{2} is technically the square root of a number.

\sqrt{1}^{5}=1

\sqrt{9}^{5}=243

I’m only 8 years old ;-;

8 0
3 years ago
The following points are rotated about the origin through 90° in clockwise direction. Find the new coordinates,
Natasha_Volkova [10]

Answer:

C

Maybe it is B or A as the answer.

8 0
3 years ago
A piece of string 25 1/2 inch long will be cut into 3/4 inches pieces how many pieces will there be
weqwewe [10]
25.5/0.75 = 34 Pieces.

Hope this has helped.
6 0
3 years ago
Read 2 more answers
You ran for 25 minutes and burned 220 calories. How many calories did you burn per minute?
Bezzdna [24]

Answer:

8.8, you have to do long devision

Step-by-step explanation:

Hope this helps!

3 0
2 years ago
Read 2 more answers
​Recently, a random sample of 13-18 year olds was​ asked, "How much do you currently have in​ savings?" The data in the table re
Sonbull [250]

Answer:

μ = 235.38

σ = 234.54

Step-by-step explanation:

Assuming the table is as follows:

\left[\begin{array}{cc}Savings&Frequency\\\$0-\$199&339\\\$200-\$399&86\\\$400-\$599&55\\\$600-\$799&18\\\$800-\$999&11\\\$1000-\$1199&8\\\$1200-\$1399&3\end{array}\right]

This is an example of grouped data, where a range of values is given rather than a single data point.  First, find the total frequency.

n = 339 + 86 + 55 + 18 + 11 + 8 + 3

n = 520

The mean is the expected value using the midpoints of each range.

μ = (339×100 + 86×300 + 55×500 + 18×700 + 11×900 + 8×1100 + 3×1300) / 520

μ = 122400 / 520

μ = 235.38

The variance is:

σ² = [(339×100² + 86×300² + 55×500² + 18×700² + 11×900² + 8×1100² + 3×1300²) − (520×235.38²)] / (520 − 1)

σ² = 55009.7

The standard deviation is:

σ = 234.54

6 0
3 years ago
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