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Elan Coil [88]
2 years ago
11

Find the third side of a right triangle if the hypotenuse is 14 km and one side is 9 km

Mathematics
1 answer:
Galina-37 [17]2 years ago
3 0
14^2 - 9^2 = a^2
Easy enough
14^2 = 196
9^2 = 81
196 - 81 = 115
The square root of 115 = 10.72


The third side is 10.72km
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How do i solve this?
Natalija [7]

Because you know the area and that the shape is a square... if the side length is "s"... to find "s" you would say...

s²=1.69

Take the root of both sides and...

s=1.3 km

8 0
2 years ago
A solid right pyramid has a regular hexagonal base with an area of 7.4 units2. The pyramid has a height of 6 units.
Lelechka [254]

Answer: Second option.

Step-by-step explanation:

You need to use the following formula:

V=\frac{1}{3}Bh

Where "B" is the area of its base and "h" is the height.

According to the data given in the exercise, you know that:

B=7.4 units^2\\\\h=6\ units

Therefore, knowing this values, you can substitute them into the formula shown before and then evaluate, in order to calculate the volume of thi right pyramid whose base is a regular hexagon.

Then, you get:

V=\frac{1}{3}(7.4 units^2)(6\ units)\\\\V=14.8\ units^3

6 0
3 years ago
Read 2 more answers
Sasha has $90 to spend on clothes. She wants to buy a pair of jeans for $27 dollars and spend the rest on t-shirts. Each t-shirt
umka21 [38]

Answer:

A

Step-by-step explanation:

Total money - What she uses in thePair of jeans = Money Available for t-shirts

90-27=63

Available Money/ Each T-shirt Value= Maximum Amount of T-shirts she can buy

63/9=7

Her max is 7

5 0
2 years ago
What is the area in square feet of the part of the floor that is not covered by the rug
ohaa [14]
Can you please add a picture of the problem or type all the measurements and information? 
5 0
3 years ago
HELP ASAP PLEASE
Roman55 [17]

Answer:

a. median is 8

b. first quartile is 7

c. third quartile is 9.5

d. below

e. below

Step-by-step explanation:

7, 10, 10, 6, 7, 8, 8, 7, 9.

Place number in order least to greatest

6, 7, 7, 7, 8, 8, 9, 10, 10

a. What is the median?

The median is the middle number in a data set

number of terms in data set (n) + 1 / 2 =

9 + 1 / 2 = 10 / 2

<u>6, 7, 7, 7,</u> 8, <u>8, 9, 10, 10</u>

The median is 8

b. What is the first quartile?

Q1 is the central point between the smallest score and the median

<u>6,</u> 7, 7<u>, 7 </u>

since there is even number of data points you find the average,

7 + 7 / 2 = 14 / 2 = 7

c. What is the third quartile?

Q3 is the central point between the median and the largest score

<u>8</u>, 9, 10, <u>10</u>

since there is even number of data points you find the average,

9 + 10 / 2 = 19 / 2 = 9.5

d. Draw a box plot of the data.

below

e. Write two conclusions about the data shown in the box plot.

There are no outliers with a minimum of 6 and a maximum of 10. The Interquartile Range is 2.5 (9.5 - 7)

3 0
2 years ago
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