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Rus_ich [418]
2 years ago
5

Someone can help me pls

Mathematics
1 answer:
Elanso [62]2 years ago
8 0
Yes, It represents a function
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Charlene had 5,750 pieces of penny candy. She sold 3/5 of them and divided rest into 5 equal bags to give her friends for Hallow
Musya8 [376]
(3/5)*5750=3450
3450÷5=690
6 0
2 years ago
Can someone please help me?
Andru [333]

Answer:

Use the SINE COSINE and the TANGENT rule

Step-by-step explanation:

1.1st use the Pythagoras theorem to find the value of the other side

2.Now be comfortable to use the rule............................

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2 years ago
True or False: Using the formulas A = (bh)/2 and A = 1/2(bh) will get you two completely DIFFERENT answers.
lozanna [386]

Answer:

false they are the same formulas

8 0
3 years ago
Read 2 more answers
Tan(x+pi/2)= negative cot x
DIA [1.3K]
I'm only going to alter the left hand side. The right side will stay the same the entire time

I'll use the identity tan(x) = sin(x)/cos(x) and cot(x) = cos(x)/sin(x)
I'll also use sin(x+y) = sin(x)cos(y)+cos(x)sin(y) and cos(x+y) = cos(x)cos(y)-sin(x)sin(y)

So with that in mind, this is how the steps would look:

tan(x+pi/2) = -cot x
sin(x+pi/2)/cos(x+pi/2) = -cot x
(sin(x)cos(pi/2)+cos(x)sin(pi/2))/(cos(x)cos(pi/2)-sin(x)sin(pi/2)) = -cot x
(sin(x)*0+cos(x)*1)/(cos(x)*0-sin(x)*1) = -cot x
(0+cos(x))/(-sin(x)-0) = -cot x
(cos(x))/(-sin(x)) = -cot x
-cot x = -cot x

Identity is confirmed

6 0
3 years ago
Is 9.59166304663 a rational or irrational number.
uranmaximum [27]

it’s a rational number

4 0
2 years ago
Read 2 more answers
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