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marissa [1.9K]
3 years ago
7

Can someone help me with those exercises please?

Mathematics
1 answer:
Ymorist [56]3 years ago
3 0
What exercises are you talking about?
You might be interested in
Need help please!!!!
Orlov [11]

Answer:

\frac{m + n}{m - n }  =   \frac{ - 8 + 4}{ - 8 - 4}

=-4/-12=1/3 is your answer

5 0
3 years ago
The steps below show the incomplete solution to find the value of x for the equation
mafiozo [28]
Step 1: 6x - 2x - 5 = -6 + 21 
Step 2: 6x - 2x - 5 = 15 
Step 3: 4x - 5 = 15 

The next step would be to add 5 to both sides of the equation. 
so Step 3: 4x - 5 = 15 .......add 5 to both sides would make 
Step 4: 4x = 20 
 
So after the next step you would have 4x = 20 

Hope this helps! :) 

    
7 0
3 years ago
Find the value of x.<br> Right triangle: Hypotenuse is 11, base is x, angle is 22 degrees.
kirill [66]
We know that the trigonometric identity that uses the adjacent side and the hypotenuse is cosine. We can set this up as:
cos(22) =  \frac{x}{11}

We need to solve for x, so let's isolate it:
x = 11cos(22) = 10.2

So, x = 10.2 units
8 0
3 years ago
3kg a hit with a force of 9 Newton’s
Anna [14]

Step-by-step explanation:

(3000N) F–D = m a2. D= F–m a2. = 3000N– 1200kg × 0.75 m s-z.

3 0
3 years ago
Find 4(6a−5)−(9a+1).
stira [4]

Answer:

15a-21

Step-by-step explanation:

could be wrong though

4 0
3 years ago
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