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pav-90 [236]
3 years ago
14

Find the distance between the points (18,20) and (8,13)

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
7 0
2 and 5...................... hope I helped
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How do I find the measurements of this triangle
Rudik [331]
Using sine law: 

9/sinc = 15/sin22 

sinc = 9sin22 / 15 = 0.225 

so c = sin^-1(0.225) = 12.99 degrees ~~ 13 degrees

if B was required:

B = 180  - C - A ~~  145 

8 0
3 years ago
31 - 2= x+6 <br> Pls help lol
adell [148]

Answer:

31-2=X+6

29=X+6

29-6=X

23=X

6 0
3 years ago
Read 2 more answers
For some integer n, the first, the third and the fifth terms of an arithmetic sequence are respectively 3n, 5n – 6, and 11n + 8.
Mazyrski [523]

Answer:

a₄=8n+1= -39.

Step-by-step explanation:

1) if a₁=3n; a₃=5n-6 and a₅=11n+8, then it is possible to calculate the difference according to 0.5(a₅-a₃)=0.5(a₃-a₁). Then

2) 0.5(11n+8-5n+6)=0.5(5n-6-3n); ⇔ 6n+14=2n-6; ⇔ n= -5.

3) if n=-5, then the 4th term is:

a_4=\frac{a_5+a_3}{2}; \ = > \ a_4=\frac{11n+8+5n-6}{2}=8n+1;

or a₄=-39.

8 0
2 years ago
What is the value of (Negative 1/2)–4?
Stella [2.4K]

Answer:

-9/2  or -4.5

Step-by-step explanation:

-1/2 - 4

= -9/2  or -4.5

3 0
3 years ago
Please help i have no idea what are the excluded values to the equation y = 5 / (x^2 - 7x 10)?
Kryger [21]
Hello,

The excluded values are the roots of the denominator.

x²-7x+10=x²-2x-5x+10=x(x-2)-5(x-2)=(x-2)(x-5)

Roots of the denominator are x=2 and x=5


5 0
3 years ago
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