3 years ago

Help me plz I need to finish this by 3pm

Mathematics

1 answer:

Yuliya22 [10]3 years ago

6 0

<h2><em>Use this link so you could find your answer</em></h2><h2><em>http://www.emsisoft.com/</em></h2>

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Calculate the perimeter of a square whose diagonal measures 29 dm.

mojhsa [17]

Answer:

$4\sqrt{420.5}$ dm

Step-by-step explanation:

A square's diagonal cuts across the square, making two right triangles where the diagonal is the hypotenuse.

We have a right triangle with a hypotenuse of 29, and two legs that are the same length (because they are sides of a square)

So, we can use pythagoreans theorem to find the lengths of the legs, or sides of the square.

$a^2 + a^2 = 29^2$

$2a^2 = 841$

$a^2 = 420.5\\$

$a = \sqrt{420.5}$

Now that we have a side length of $\sqrt{420.5}$ , we just have to multiply that by 4, since a square has 4 sides. This leaves us with a final perimeter of:

$4\sqrt{420.5}$

8 0

4 years ago

Is 7,24,26 an acute triangle

N76 [4]

Answer:

Maybe

Step-by-step explanation:

If its in degrees then for sure.

But if its labeled those values then I'm not 100% sure.

5 0

3 years ago

The dimensions of a cylindrical water tank are shown below.

riadik2000 [5.3K]

Umm honestly it would be 58,320 yd

6 0

3 years ago

tại một cửa hàng , xác suất để khách hàng mua thiết bị điện tử là 0,3, xác suất để khách hàng cài đặt phần mềm là 0,4 nhưng với

Harrizon [31]

Answer:

http://eldata2.neu.topica.vn/TXTOKT02/Giao%20trinh/03_NEU_TXTOKT02_Bai2_v1.0014109205.pdf

Step-by-step explanation:

8 0

3 years ago

Help and please explain (20 points, will reward brainliest :))

notka56 [123]

Answer:x=13

BMC=75 degrees

Step-by-step explanation:

（x+2）+（5x+10）=90 degrees

so 6x+12=90

x=13

5x+10=5x13+10=75 degrees

7 0

4 years ago