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Mkey [24]
3 years ago
9

Simplify. (5x2+2x−5)−(3x2+3x+1)

Mathematics
2 answers:
vovikov84 [41]3 years ago
5 0

Answer:

2x^2 - x - 6

Step-by-step explanation:

5x^2 - 3x^2 = 2x^2

2x - 3x = -x

-5 - 1 = -6

( ^ for exponents)

guapka [62]3 years ago
4 0

Answer:

x² - x - 6

Step-by-step explanation:

Step 1: Write expression

(5x² + 2x - 5) - (3x² + 3x + 1)

Step 2: Distribute negative

5x² + 2x - 5 - 3x² - 3x - 1

Step 3: Combine like terms (x²)

2x² + 2x - 5 - 3x - 1

Step 4: Combine like terms (x)

x² - x - 5 - 1

Step 5: Combine like terms (constants)

x² - x - 6

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Given g(x)=3x+6 on what interval is the function negative
iris [78.8K]

Step-by-step explanation:

A number that is negative is less than 0, so

3x + 6 < 0

3x <  - 6

x <  - 2

So this function is negative, when x is less than -2

4 0
2 years ago
Read 2 more answers
1. Write an equation in point-slope form of the line that that passes through the point (4,-5) and has a
Aleks04 [339]

Answer:

y + 5 = (3/2)(x - 4)

Step-by-step explanation:

The point-slope formula is y - k = m(x - h).  We get h and k from the given point:  h = 4 and k = -5, and m from the given slope:  3/2.  Then we have:

y + 5 = (3/2)(x - 4)

7 0
3 years ago
How many solutions does the equation 3x - 7 = 4 + 6 + 4x have?
jeka57 [31]

Answer:

one

Step-by-step explanation:

3x-7=4+6+4x

3x=7+4+6+4x

3x=17+4x

3x-4x=17

-x=17

x=-17

8 0
3 years ago
If one three-digit number ( 0 cannot be a left digit) is chosen at random from all those that can be made from the following set
Oksana_A [137]

The probability of choosing a number that is not a multiple of 2 is P = 0.44

<h3 /><h3>How to find the probability?</h3>

We need to count the number of options for each digit.

  • For the first digit, we have 8 options {1, 2, 3, 4, 5, 6, 7, 8}
  • For the second digit, we have 9 options {0 ,1, 2, 3, 4, 5, 6, 7, 8}
  • For the third digit, we have 9 options {0 ,1, 2, 3, 4, 5, 6, 7, 8}.

The total number of combinations is the product between the numbers of options:

C = 8*9*9 = 648

If we want our number to not be a multiple of 2 then it must end in a odd digit, the combinations that meet that condition are:

  • For the first digit, we have 8 options {1, 2, 3, 4, 5, 6, 7, 8}
  • For the second digit, we have 9 options {0 ,1, 2, 3, 4, 5, 6, 7, 8}
  • For the third digit, we have 4 options {1, 3,  5, 7}.

C = 8*9*4 = 288

Then the probability of selecting a 3 digit number that is not a multiple of 2 is:

P = 288/648 = 0.44

If you want to learn more about probability, you can read:

brainly.com/question/251701

8 0
2 years ago
Idk this plz help me
Alik [6]

Answer:

1. {12,0}

hope it helps.

5 0
3 years ago
Read 2 more answers
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