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andrey2020 [161]
3 years ago
9

I need help I am confused

Mathematics
2 answers:
Elodia [21]3 years ago
8 0
633.15 is the answer
nlexa [21]3 years ago
5 0

Answer:

70 Chaperones

Step-by-step explanation:

310            

305

+225           ---------->  840 / 12 = 70

-------------                    

840

Hope this helps!

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Find Lm=<br> Help me please thanks
Ymorist [56]

A triangle is a three-edged polygon with three vertices. The length of LM is 3√3 cms.

<h3>What is a triangle?</h3>

A triangle is a three-edged polygon with three vertices. It is a fundamental form in geometry. The sum of all the angles of a triangle is always equal to 180°.

The triangle formed by MN, MO, and NO is an equilateral triangle, with the length of each side of the triangle equal to the radius of the triangle. Therefore, the length of MN will be,

MN = r

Now, the length of arc MN can be written as,

2 × π × r × (60° /360°) = π

r = 360 / (60 × 2)

r = 3 cms

Further, the radius of the circle can be written as,

LO = ON = OM = MN = Radius = 3 cms

Since, the triangle formed in a semicircle is a right-angle triangle, therefore, using the Pythagorean theorem we can write,

LM² + MN² = LN²

LM² + MN² = (LO + ON)²

LM² + r² = (r+r)²

LM² + r² = 4r²

LM² = 3r²

LM² = 3(3²)

LM = √27 cms

LM = 3√3 cms

Hence, the length of LM is 3√3 cms.

Learn more about Triangle:

brainly.com/question/2773823

#SPJ1

4 0
1 year ago
How do you solve 7n-2=6n-2n
pantera1 [17]
First combine like terms:
6n-2n = 4n
7n-2=4n
subtract 7n from both sides
7n-2=4n
-7n    -7n
-2=-3n
divide -2 on both sides.
n=1.5
7 0
3 years ago
6(v+2) - 7v = 6 + 5v​
slava [35]

Answer:

v = 1

Step-by-step explanation:

6(v+2) - 7v = 6 + 5v

open Parentheses

6*v=6v

6*2=12

New equation:

6v + 12 - 7v = 6 + 5v

simplify

12 - v = 6 + 5v

match like terms

6 = 6v

solve

1 = v

4 0
3 years ago
Read 2 more answers
Find the unit rate. <br> 247 heartbeats in 612 minutes
ollegr [7]

Answer:

247/612 bpm

Step-by-step explanation:

247 beats / 612 minutes

beats / minute

beats per minute = bpm

5 0
2 years ago
Square A has an area of 18a2 + 862 – 24ab.
alina1380 [7]
I don’t know but you can go download Conects. :)
7 0
3 years ago
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