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Lubov Fominskaja [6]
3 years ago
13

What is 6.9-(-5)+4.1

Mathematics
1 answer:
Paladinen [302]3 years ago
7 0
Here. the answer is 16 
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What is the solution for -2=-(n-8) ?
Rama09 [41]

Remark

The trick here is to remove the brackets carefully. Once you have done that the problem is almost solved.

- 2 = - (n - 8) Multiply both terms inside the brackets by - 1

-1 * n = - n

-1 * -8 = + 8 Be very careful with that. Make sure you understand that two minus's make a plus.

- 2 = - n + 8 Add n to both sides.

-2 + n = -n + n + 8

-2 + n = 8 Add 2 to both sides.

-2 + 2 + n = 8 + 2

n = 10

You should check this.

-2 = -(10 - 8)

-2 = -(2)

- 2 = - 2 and it checks.

7 0
3 years ago
Read 2 more answers
What is the value for "x"?
Effectus [21]
The value of x is four
6 0
3 years ago
Read 2 more answers
Triangle P=27,Q=40,P=33 law of sines round measures to the nearest tenth
nordsb [41]
For the law of sines, you would apply it in this particular problem like so:
Since P is 27, its angle is 33 and Q's length is 40; you would set it up like this
<u />40/SinQ = 27/Sin33, multiply 40 with Sin33, then it would be 40Sin33, then divide it by 27. The result should be 40Sin33/27 = X

5 0
3 years ago
Solve <br> 28 - K _&gt; 7(K - 4)
Evgen [1.6K]

Answer:

Solving the inequality 28-K\geq 7(K-4), we get \mathbf{K\leq 7}

Step-by-step explanation:

We need to solve the inequality 28-K\geq 7(K-4)

Using the BODMAS rule, first we will solve the bracket:

28-K\geq 7(K-4)\\28-K\geq 7K-28

Now, we will subtract 28 from both sides

28-K-28\geq 7K-28-28\\-K\geq 7K-56

Subtracting -7k on both sides

-K-7K\geq 7K-56-7K\\-8k\geq -56

Finally, divide both sides by -8 and inverse the inequality, as we are dividing with a minus digit.

\frac{-8K}{-8}\leq \frac{-56}{-8}\\K\leq 7

So, solving the inequality 28-K\geq 7(K-4) we get \mathbf{K\leq 7}

7 0
3 years ago
Help please. Find the missing length indicated. Leave your answer in simplest radical form.
kkurt [141]

Answer:

d+d+d=ddd

Step-by-step explanation:

6 0
3 years ago
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