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lana [24]
2 years ago
14

Interior and Exterior Triangle Angles

Mathematics
1 answer:
Luden [163]2 years ago
6 0

Sum of two interiors=exterior

\\ \rm\bull\rightarrowtail 2x-3+2x+15=7x-18

\\ \rm\bull\rightarrowtail 4x+12=7x-18

\\ \rm\bull\rightarrowtail 3x=30

\\ \rm\bull\rightarrowtail x=10

  • m<GHI=2(10)-3=17
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OMGGGGG PLEASE HELP ME GUYS
4vir4ik [10]

Answer:

a) 2/5

b) 1/10

Step-by-step explanation:

There are 20 people total.

a is that the chosen child is a girl.

2 + 6 = 8, --> there are 8 girls --> simplify

8/20 = 4/10 = 2/5

b is the probability that the chosen child is a left-handed girl, --> there are 2 left-handed girls --> 2/20 --> simplify to 1/10

And thus, we have our answers.

8 0
3 years ago
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Please help me on this <br> U need to zoom in
rodikova [14]
Not sure if you can do this but it sounds like a velocity/time/distance equation.
d=vt
v=d/t
t=d/v

70 w/m = t
15 pages - 350 w/p

She can type 70 words per minute (w/m). There are 350 words per page (w/p). She needs 15 pages. So first you have to find how many words she can type in one hour. 60 minutes in an hour, she can type 70 w/p.

60x70=4,200 words per hour (w/h).

Next you should find out how many words on 15 pages total.
350x15= 5,250.

I would put 4,200/5,250 as a fraction to gage how much she has left. She has most of it done already in ONE HOUR. Reduced, she has done 4/5s of the essay. Now you just need to get 1/5 of 5250, which is 1050.

She needs to do 1050 words. If one minute is 70, do 1050/70 which is 15.

The answer is 1 hour and 15 minutes.

I think... ;)
3 0
3 years ago
Solve each single-step equation. Show your work. -15+n=-9
Serggg [28]

Answer:

6

Step-by-step explanation:

-15+6 means it goes minus basically its 15-6(-15+6)=-9

3 0
3 years ago
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Please help me with this homework
algol13
Yes, you got it right
4 0
3 years ago
How to find Co factor of elements of Determinant​
Sophie [7]

Answer:

Step-by-step explanation:

We can easily find the determinant of a matrix of which will be the cofactor of 2. Multiplying the diagonal elements of the matrix, we get. Now subtract the value of the second diagonal from the first, i.e, 48 – 3 = 45. Check the sign that is assigned to the number

6 0
3 years ago
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