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3 years ago

Please answer I’ll rate brainlyest

Mathematics

1 answer:

harina [27]3 years ago

6 0

Answer:

1330

Step-by-step explanation:

Use to formula...

21!/((21-3)!(3!) = 1330

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Sine, cosines and tangent of 30 45 and 60 degrees

bonufazy [111]

Answer:

Sine 30 =

$\frac{1}{2}$

Sine 45 =

$\sqrt{ \frac{2}{2} }$

Sine 60 =

$\sqrt{ \frac{3}{2} }$

Cos 30 =

$\sqrt{ \frac{3}{2} }$

Cos 45 =

$\sqrt{ \frac{2}{2} }$

Cos 60 =

$\frac{1}{2}$

Tan 30 =

$\sqrt{ \frac{3}{3} }$

Tan 45 =

$1$

Tan 60 =

$\sqrt{3}$

Step-by-step explanation:

I hope it helps

3 0

3 years ago

135=5m<br>i need help with this question please

Airida [17]

Step-by-step explanation:

135 = 5m

5m = 135

m = 135/5

m = 27

4 0

4 years ago

What is the equation of the line, in general form, that passes through point (-1, -1) and is parallel to the line whose equation

lara31 [8.8K]

ANSWER

$x + y + 2 = 0$

EXPLANATION

The given line passes through;

(-1,-1) and it is parallel to x + y = 3.

This line given to us can be rewritten as

y=-x+1

It has slope m=-1.

The line parallel to this line also has slope m=-1.

We obtain the equation of the line using the formula:

$y-y_1=m(x-x_1)$

We substitute the slope and the point to obtain:

$y - - 1 = - 1(x - - 1)$

$y + 1 = - 1(x + 1)$

$y = - x - 1 - 1$

The equation of the line is

$x + y + 2 = 0$

3 0

3 years ago

For every 1000 it makes £2 from ad revenue.<br> How many are required to make £25?

seraphim [82]

Answer:

12,500= £25

Step-by-step explanation:

Because every 1000 it makes £2 from ad venue, we must: (we can do two methods)

1.Divide £25 by £2 then multiply it by 1000. By doing this, we will know how many times 1000 are made when there is £25.

1000= £2

? = £25

So:

£25 ÷ £2= 12.5

12.5 × 1000= 12,500

2. Find how much it made for £1 by dividing 1000 by £2, then multiplying it by £25.

So:

1000 ÷ £2= 500

500 × £25= 12,500

I hope this helps! I'm sorry if it's wrong and too complicated.

4 0

3 years ago

Help I will give brainless tell me the numbers in order

Blababa [14]

-2: y = -2-2 = -4
-1: y= -1 - 2 = -3
0: y = 0 - 2 = -2
1: y = 1 - 2 = -1
2: y = 2 - 2 = 0

3 0

2 years ago