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3 years ago

Please help ASAP! I’ll mark you brainly

Mathematics

1 answer:

Natalka [10]3 years ago

3 0

Step-by-step explanation:

Chloroplasts (left) convert light energy into chemical energy. High-energy electrons in chloroplasts are transported through two photosystems (right). ... The energy of light captured by pigment molecules, called chlorophylls, in chloroplasts is used to generate high-energy electrons with great reducing potential.

I hope this helps

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Sec B cot B = sec B csc B cot B tan B

irinina [24]

Given:
tan(B/2) = sec(B) / (sec(B) * csc(B) + csc(B)) 

Apply the half angle formula to convert tan(B/2) to terms of B: 
sin(B) / (1+cos(B)) = sec(B) / (sec(B) * csc(B) + csc(B)) 

Convert everything else to be in terms of sin and cos: 
sin(B) / (1+cos(B) = (1/cos(B)) / ((1/cos(B)) * (1/sin(B)) + (1/sin(B))) 

Multiply right side by "sin(B)/sin(B)" to simplify the fractions: 
sin(B) / (1+cos(B) = (sin(B)/cos(B)) / ((1/cos(B)) + 1) 

Change "1" to cos(B)/cos(B) and then combine over 
common denominator: 
sin(B) / (1+cos(B) = (sin(B)/cos(B)) / ((1/cos(B)) + cos(B)/cos(B)) 
sin(B) / (1+cos(B) = (sin(B)/cos(B)) / ((1+cos(B))/cos(B)) 

Dividing by a fraction equals multiplying by its reciprocal: 
sin(B) / (1+cos(B) = (sin(B)/cos(B)) * (cos(B) / (1+cos(B))) 

Multiply terms on the right side (canceling cos(B) terms): 
sin(B) / (1+cos(B) = sin(B) / (1+cos(B))

6 0

4 years ago

Read 2 more answers

What is the value of a1 of the geometric series? Sigma-Summation Underscript n = 1 Overscript infinity EndScripts 12 (negative o

Sliva [168]

Answer:

$a_1=12$

Step-by-step explanation:

Assuming the geometric series is

$\sum_{n=1}^{\infty} 12*(-\frac{1}{3} )^{n-1}$

then nth term is

$a(n)=12*(-\frac{1}{3} )^{n-1}$ ,

and the first term is found when $n=1$ :

$a_1=12*(-\frac{1}{3} )^{1-1}=12*(-\frac{1}{3} )^0\\\\\boxed{a_1=12}$

6 0

3 years ago

Read 2 more answers

Plis i need help whit this questionss

zmey [24]

Question 1: x+2 = 8 doesn't belong in the given equations.

Question 2: The possible values for y are 0,1 and 2

Step-by-step explanation:

Question: Which one doesn't belong?

We will solve each equation one by one to get which equation doesn't belong with others

So,

$x+4 = -2\\x+4-4 = -2-4\\x = -6$

$x+5 = -1\\x+5-5 = -1-5\\x = -6$

$x+2 = 8\\x+2-2 = 8-2\\x = 6$

$3-x=9\\3-x-3 = 9-3\\-x = 6\\x = -6$

Hence,

x+2 = 8 doesn't belong in the given equations.

Question 2:

Given equation is:

$x+y = 5$

It is given that the values of x will be greater than 2 and less than 6 so values of x can be 3,4 and 5

So,

$3+y = 5\\y = 5-3\\y = 2\\\\4+y = 5\\y = 5-4\\y = 1\\\\5+y = 5\\y = 5-5\\y = 0$

Hence,

The possible values for y are 0,1 and 2

So,

x+2 = 8 doesn't belong in the given equations.

The possible values for y are 0,1 and 2

Keywords: Linear equation, variables

Learn more about linear equations at:

#LearnwithBrainly

8 0

3 years ago

How do I alive that problem

Svetach [21]

This can be written as...
(1/2)/(1/4) = h/1

Then you solve all of the fractions by multiplying them by 4 to make them intergers;

4(1/2)/4(1/4) = 2/1 = h/1

This means h is equal to 2.

Hope this helps! :)

7 0

3 years ago

Points A(7-5), B(-1,-2), and C(-4, 6) form triangle ABC on a coordinate plane. According to its sides, triangle ABC is a(n)

prohojiy [21]

Answer:

it is a right angled triangle

4 0

3 years ago