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Akimi4 [234]
3 years ago
5

Can someone help me with this question please

Mathematics
1 answer:
Valentin [98]3 years ago
8 0
It’s for sure B the formula for circumference is
Pi times the diameter and the diameter is double the radius so it’s pi multiplied by 8
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Three cards are selected at random without replacement from a well-shuffled deck of 52 playing cards. Find the probability of dr
Lostsunrise [7]
<span>There are 4 suit ,, hearts , Diamonds , clubs , Spades 

then the 3 cards may be from the 1st OR 2nd OR 3rd OR 4th 

<span>p(A)=4*(13C3)/(52C3)=0.0517 Or 5.17% 

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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7 0
3 years ago
Cmon this is my last question help me
Lelechka [254]
Blue Box: 6.03
Orange Box: -3
5 0
3 years ago
Read 2 more answers
Solve for x . 8x-3 &amp; 4x+3 <br> 8x-3+4x+3=180<br> ?x+_=180
STALIN [3.7K]

Answer:

x = 15

Step-by-step explanation:

the 2 angles are a linear pair and sum to 180° that is

8x - 3 + 4x + 3 = 180

12x = 180 ( divide both sides by 12 )

x = 15

6 0
2 years ago
Read 2 more answers
How do you get x trigonometry
Svetlanka [38]
Quick vocab:
sin=sine
cos=cosine
tan=tangent
theta=the angle
o=opposite side from angle
h=hypotenuse of triangle
a=adjacent side to angle

Three equations:
sin(theta)= o / h
cos(theta)= a / h
tan(theta)= o / a

Explanation of problem:

sin(x)= o / h
sin(x)= 16cm / 28cm
You'll substitute the 16cm in for o and 28cm for h
This is because 16cm is on the side that's opposite from the angle
28cm is on the hypotenuse of the triangle
One way to find the hypotenuse is look where the 90° is at and it's opposite from that

since you're trying to find the angle you'll have to inverse the sin to get it on the other side of the equal sign
Inverse is doing the opposite of so the inverse of sin is sin^-1

{ \sin}^{ - 1} (\frac{16cm}{28cm})
x = sin^-1 (16cm/28cm)

Answer:

x = 34.84990458°

I don't know how far rounded you'll need it
I hope this helped!
7 0
3 years ago
Which<br>expression is equivalent to 1/5m -20​
muminat

There are infinite equivalent expressions. Here are some:

1/5(m-100)

20(1/100m-1)

1/5m-(4•5)

If you expand any of these or any of the terms, you will get an equivalent expression.

7 0
3 years ago
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