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jenyasd209 [6]
3 years ago
6

What does -8+(-12) / (-4) equal too?

Mathematics
2 answers:
zalisa [80]3 years ago
5 0

Answer:

5

Step-by-step explanation:

1. Add -8 to -12. This equals -20.

2. Now you have -20/(-4)

3. Solve this by dividing -20 and -4.

4. Two negatives make a positive, so your answer would be 5.

Hope this helps

soldi70 [24.7K]3 years ago
3 0
[Positive 5 or negative 5 depending on if your using PEMDAS]
-5 if your doing PEMDAS
Cuz You do division first -12/-4=3 Cuz a negative divided by a negative is positive
Then add 3 to -8 and that’s -5 since the 8 is negative and the three is positive we’re subtracting 3 from -8

But if your NOT doing PEMDAS then the answer is a positive 5
[-8+ (-12)= -20/-4= 5]
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jonny [76]

4 sin(<em>x</em>) + 9 cos(<em>x</em>) = 0

4 sin(<em>x</em>) = -9 cos(<em>x</em>)

tan(<em>x</em>) = -9/4

<em>x</em> = arctan(-9/4) + <em>nπ</em> … … … (in radians)

or

<em>x</em> = arctan(-9/4) + 180<em>n</em> ° … … … (in degrees)

where <em>n</em> is any integer.

I'm guessing you're solving for <em>x</em> over some domain, probably 0° ≤ <em>x</em> < 360°. In that case, you would have two solutions for <em>n</em> = 1 and <em>n</em> = 2 of

<em>x</em> ≈ 113.96°   and   <em>x</em> ≈ 293.96°

7 0
3 years ago
Options: <br>A. Includes<br>B. Does not include​
Fudgin [204]

Answer:

The answer is A

Step-by-step explanation:

Just trust me

8 0
3 years ago
Read 2 more answers
Solomon has read 1/3 of his book. He finishes the book by reading the same amount each night for 5 nights. A. What fraction of t
Tatiana [17]
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4 0
3 years ago
If the product of 10 and 20 is divided by the sum of 20 + 30 what is the quotient.?
IrinaK [193]
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6 0
4 years ago
3. Multiply the polynomials (a2 + 3a – 4) and (2a2 – a + 5). Simplify the answer. Show your work.
Crazy boy [7]

The product of given polynomials is:

2a^4+5a^3-6a^2+19a-20

Step-by-step explanation:

Distributive multiplication will be sued to multiply the given polynomials

Given expressions are:

a^2+3a-4\\and\\2a^2-a+5

So,

(a^2+3a-4)(2a^2-a+5)\\= a^2(2a^2-a+5)+3a(2a^2-a+5)-4(2a^2-a+5)\\=2a^4-a^3+5a^2+6a^3-3a^2+15a-8a^2+4a-20

Combining like terms

2a^4-a^3+5a^2+6a^3-3a^2+15a-8a^2+4a-20\\=2a^4-a^3+6a^3+5a^2-3a^2-8a^2+15a+4a-20\\= 2a^4+5a^3-6a^2+19a-20

Hence,

The product of given polynomials is:

2a^4+5a^3-6a^2+19a-20

Keywords: Polynomials, expressions

Learn more about polynomials at:

  • brainly.com/question/4639731
  • brainly.com/question/4655616

#LearnwithBrainly

7 0
4 years ago
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