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kirill115 [55]
2 years ago
15

WORTH 25 POINTS!!!!!!!!!!!!!!!

Mathematics
1 answer:
Tpy6a [65]2 years ago
7 0
I'll help you later ok sorry tho
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Can someone help me?
Sergio [31]

9514 1404 393

Answer:

  • tan B = 12/5
  • cos B = 5/13
  • sin B = 12/13

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the applicable ratios:

  Tan = Opposite/Adjacent   ⇒   tan B = CA/CB = 12/5

  Cos = Adjacent/Hypotenuse   ⇒   cos B = BC/BA = 5/13

  Sin = Opposite/Hypotenuse   ⇒   sin B = AC/AB = 12/13

3 0
3 years ago
Find the square root of 1.69? show work ...?
andreyandreev [35.5K]
Maybe something like this:
1.69 = 169 / 100
√ 1.69 = √ ( 169 /100 ) = √169 / √ 100 = 13 / 10 = 1.3
Thank you.
3 0
3 years ago
Read 2 more answers
Solve the system: {4x-7y=30, 4x-5y=90
Lerok [7]

Answer:

x=60, y=30

Step-by-step explanation:

4x-7y=30

4x-5y=90

Subtract the equations

4x-7y=30-4x-5y=90

=2y=60

Solve 2y=60

Divide both sides by 2

2y/2=60/2

Simplify;

y=30

For 4x-7*30=30 for x

4x-7y*30=30

Multiply the numbers:7*30=210

4x-210=30

Add 210 to both sides

4x-210+210=30+210

Simplify;

4x=240

Divide both sides by 4

4x/4=240/4

Simplify

x=60

The solutions to the system of equations are:

x=60, y=30

Hope this helped!!!

7 0
3 years ago
How can you solve a system of two equations or inequalities in which one is linear and one is quadratic?
stealth61 [152]

Answer:

Solve the inequality as though it were an equation. The real solutions to the equation become boundary points for the solution to the inequality. Make the boundary points solid circles if the original inequality includes equality; otherwise, make the boundary points open circles.

Step-by-step explanation:

5 0
3 years ago
A circle has a CIRCUMFERENCE of 6.<br><br> What is it's DIAMETER?<br><br> thank you!
kati45 [8]
C = pi * d
d = C / pi
d = 6 / 3.14
d = 1.91 units
6 0
3 years ago
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