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andriy [413]
4 years ago
9

PLEASE HELP ME WITH THESE :) FASTTTT

Mathematics
2 answers:
Westkost [7]4 years ago
8 0

I can only answer the second question :

on each side of the square is 90 degrees so

130  - 90 = 40

one triangle is 180 degrees (two fourties because of each edge of the triangle)

40 + 40 = 80

this is the answer

180 - 80 = 100

Vanyuwa [196]4 years ago
4 0

Answer:

Step-by-step explanation:

1 :-4,4

2: 60

3:54.45

4:105

5:77

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DerKrebs [107]

30 min = 30/60 hr = 0.5 hr

d = rt

100 = r*0.5

100/0.5 = r

200 = r

r = 200 mph.

We know that Rate = distance/time

(30 minutes is .5 hour)

Rate=100 mile/.5 hour

Divide and we get:

Rate=200 MPH

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Make sense?

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2 years ago
If an=5n-3 find the common difference​
elena55 [62]

Answer:

Hi here is your answer

an=5n-3

an-1= -3+5n

an-1= -3+5(n-1)

an-1= -3+5n-5

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d=(5n-3)-(5n-7)

d=5n-3-5n+7

d=4

Answer: d = 4

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3 0
4 years ago
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Andrew [12]

Answer:

10

Step-by-step explanation:

[1 -2]

[3 4]

We can obtain the determinant of the above matrix by doing the following:

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Thus, the determinant of the above matrix is 10

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3 years ago
How many radians is 252°?<br> Give the exact answer in simplest form
Leokris [45]

Radian is a more advanced degrees measurement that is easier to use in trigonometry physics etc.

A full circle 360 degrees is 2pi radian.

We just need to find the ratio of 252 degrees to 360 degrees and multiply that by 2pi.

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=126/180*2pi(rad)

=63/90*2pi(rad)

=21/30*2pi(rad)

=7/10*2pi(rad)

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Oksanka [162]

Answer:

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Step-by-step explanation:

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<h2>☬jessbragoli</h2>
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