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2 years ago

I don’t even know how to do this

Mathematics

1 answer:

Doss [256]2 years ago

8 0

Answer:

1 – cosθ/1 + cosθ = secθ – 1/secθ + 1

Here, we know that secθ = 1/cosθ

Now,

1 – cosθ/1 + cosθ = secθ – 1/secθ + 1

1 – cosθ/1 + cosθ = 1/cosθ – 1 ÷ 1/cosθ + 1

1 – cosθ/1 + cosθ = 1 – cosθ/cosθ ÷ 1 + cosθ/cosθ

1 – cosθ/1 + cosθ = 1 – cosθ/1 + cosθ

Hence Proved!!

<u>-TheUnknownScientist</u><u> 72</u>

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Help me please thanks

horrorfan [7]

Answer:

325m = c

Step-by-step explanation:

Each meeting room has 325 chairs.

Since we don't know how many meeting rooms there are, the number is replaced with the variable, m.

An equation is a problem with an equals sign so you need to put what it would equal.

Since you don't know how many meeting rooms there are you use the variable, c which represents the total number of chairs.

8 0

2 years ago

Jasmine loves to babysit. On Saturday, she babysat from 3:29 p.m. to 4:52 p.m. On Sunday, she babysat from 1:37 p.m. to 3:16 p.m

patriot [66]

In Sunday she babysits 1 hour and 23 minutes,in Saturday she babysit 1 hour and 39 minutes.In total it’s 3 hours and 12 minutes.

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2 years ago

Please help with math question

Naddik [55]

1- Solution using graphs:
Take a look at the attached images.
The red graph represents the first given function while the blue graph represents the second given function.
We can note that the two graphs are the same line (they overlap).
This means that any chosen point on one of them will satisfy the other.
This means that there are infinite number of solutions to these two equations.

2- Solution using substitution:
The first given equation is:
y = -5x + 3 ...........> equation I
The second given equation is:
2y + 10x = 6 ...........> equation II

Substitute with I in II and solve as follows:
2(-5x+3) + 10x = 6
-10x + 6 + 10x = 6
0 = 0
This means that there are infinitely many solutions to the given system of equations.

Hope this helps :)

3 0

2 years ago

A van and a bicycle move towards each other. The speed of the van is 80 km per hour, and the speed of the bike is 20 km per hour

otez555 [7]

-- :

Bike > ________300km_________< Van

20km/h 80km/h

In one hour, the bike will have moved 20km and the van would have moved 80km.

The distance between them was 300km. But the bike moved 20km and the van moved 80km, since its been one hour. Which means the distance between them is less.

300km-(20km+80km) = 200km

So now the distance between them is 200km.

Now another hour passes. The distance between them was 200km. But the bike moved 20km and the van moved 80km, since its been one hour. Which means the distance between them is less.

200km-(20km+80km) = 100km

So now the distance between them is 100km

Now another hour passes. The distance between them was 100km. But the bike moved 20km and the van moved 80km, since its been one hour. Which means the distance between them is less.

100km-(20km+80km) = 0km

So now the distance between them is 0km, which means they have met. If we count, it took them 3 hours.

Step 1)

Add both speeds. 20km+80km=100km

Step 2)

Total distance between them = 300km

So do 300km/100km = 3hours.

______

The solution is: .

————

Hope this helped!

4 0

2 years ago

Point A is located at -4/6 and point B is located at -1/6 what is the distance between points A and B

gladu [14]

Answer:

3/6 units

Step-by-step explanation:

distance is always positive

____-4/6_______________-1/6__0___________

|-4/6 - (-1/6)| = 3/6

7 0

3 years ago