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morpeh [17]
4 years ago
10

Urgent please [email protected]

/a>​

Mathematics
2 answers:
lana [24]4 years ago
7 0

Answer:

40

Step-by-step explanation:

lapo4ka [179]4 years ago
5 0

Answer:

40°

Step-by-step explanation:

Measure of Nonagon (9-sided polygon) = 1260°

Each angle measure = 1260 ÷ 9 = 140°

The value of x (the outside angle) = 180° - 140° = 40°

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the rectangular swimming pool in my backyard is 15 feet wide and 30 feet long. I have a raft in the shape of a right triangle wi
garri49 [273]

Hey there!

First of all, let's find the area of the pool.

15(30)=450 feet squared.

Now, let's find the area of the triangle.

4(3)=12/2=6 feet squared

Assuming that you can land anywhere in the pool, including the diving board (as we didn't get any measurements for it so that we can eliminate it)

This gives us 6/450, which simplifies to 1/75.

Therefore, you have 1/75 or 1.3% chance of landing on the raft.

I hope this helps!

3 0
3 years ago
Which expression is equivalent to (2x-5)-(3x-8)<br> A.-x-13<br> B.-x+3<br> C.2x-16<br> D.5x-3
kramer
Answer is B.-x+3

<span>(2x-5)-(3x-8)
</span>= <span>2x-5-3x+8
=-x + 3</span>
4 0
3 years ago
wanda works as an electrician with the current electric company. she earns $17.25 per hour with time and a half after 40 hours.
OLEGan [10]
1.5(17.25) = 25.88 --- this is ur overtime pay per hr

17.25(40) + 25.88(4) = 690 + 103.52 = 793.52...nice weekly pay :)
8 0
4 years ago
Please help! I do not know how to find the unknown variables using the Pythagorean theorem. Any help will be greatly appreciated
oksano4ka [1.4K]

Answer:

x=10.247

y=52.02

z=37.98

Step-by-step explanation:

For x you use Pythagorean theorem which, in this situation would be 13^2=8^2+x^2 rearranging this we can figure out x by taking the square root of 13^2-8^2.

For y you can use any trig function but I chose to use cos since that uses info we're given, to find y you just do the inverse cos or cos^-1 of 8/13 to find the angle

For z you can use any trig function but I chose to use sin since that uses info we're given, to find z you just do the inverse sin or sin^-1 of 8/13 to find the angle

8 0
3 years ago
the following are scores of students:9,7,8,9,7,5,8,10,7,8 and 10. the value of the population variance is 4. true or false?​
DENIUS [597]

Answer:

<h3>yes</h3>

Step-by-step explanation:

yyyyyyyyyyyyyyyyyyyyyy

5 0
3 years ago
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