3 years ago

4\m-n if m = -7 and n = 2

Mathematics

2 answers:

Colt1911 [192]3 years ago

8 0

Answer:-4/9

Step-by-step explanation:

4/m-n

m=-7 n=2

4/(-7-2)

4/-9=-4/9

sp2606 [1]3 years ago

4 0

Answer:

4/-9

Step-by-step explanation:

You might be interested in

Can someone solve this?

ladessa [460]

First question:

Recall that $\cos^2x+\sin^2x=1$ and $\sqrt{x^2}=|x|$ for all $x$ . So

$\sqrt{1-\cos^2x}=\sqrt{\sin^2x}=|\sin x|$

$\sqrt{1-\sin^2x}=\sqrt{\cos^2x}=|\cos x|$

For $0$ , we expect both $\cos x>0$ and $\sin x>0$ (i.e. the sine and cosine of any angle that lies in the first quadrant must be positive). By definition of absolute value, $|x|=x$ if $x>0$ .

So we have

$\dfrac{\sqrt{1-\cos^2x}}{\sin x}+\dfrac{\sqrt{1-\sin^2x}}{\cos x}=\dfrac{\sin x}{\sin x}+\dfrac{\cos x}{\cos x}=1+1=\boxed{2}$

making H the answer.

Second question:

C is always true, because the inequality reduces to x > y.

6 0

4 years ago

8. The graph of a horizontal line is a function. True False

11111nata11111 [884]

Answer:

It is not due to the fact it has no variable

7 0

4 years ago

The _____ in scientific notation tells you how many places to move the decimal point.

victus00 [196]

The exponent tells you how many places to move.

3 0

3 years ago

Going through a divorce ad have a house worth 391000. We still owe 140000. I want t buy the house in the divorce so how much wil

snow_tiger [21]

Answer:

251000

Step-by-step explanation:

391000-140000+251000

4 0

3 years ago

Two numbers are graphed on the number line below. Consider the inequality t values graphed on the number line make the inequalit

Black_prince [1.1K]

Answer: t=7 and r=-3

So if you t<r + 5 count the number line

Step-by-step explanation:

8 0

3 years ago