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Alexeev081 [22]
3 years ago
15

What value will make the equation true? -2.1 - ? = -1 1/2

Mathematics
2 answers:
Olin [163]3 years ago
5 0

Answer:

-0.6 or -⅗

Step-by-step explanation:

-2.1 - X = -1 1/2

-2.1 - X = -1.5

X = -2.1 + 1.5

X = -0.6 or -⅗

attashe74 [19]3 years ago
3 0

Answer:

(-0.6)

Step-by-step explanation:

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F(x)=2x^2-x-6 g(x)=4-x (f+g)(x)
Semenov [28]

\large  \boxed{(f + g)(x) = f(x) + g(x)}

The property above is distribution property where we distribute x-term in the function.

Substitute both f(x) and g(x) in.

\large{ \begin{cases} f(x) = 2 {x}^{2}   -  x - 6 \\ g(x) =  4 - x \end{cases}}  \\  \large{f(x) + g(x) = (2 {x}^{2}  - x - 6) + (4 - x)} \\  \large{f(x) + g(x) = 2 {x}^{2}  - x - 6 + 4 - x}

Évaluate/Combine like terms.

\large{f(x)  + g(x) = 2 {x}^{2}  - 2x - 2}

The function can be factored so there are two answers. (Both of them work as one of them is factored form while the other one is not.)

\large{(f + g)(x) = 2 {x}^{2}  -2x -2}

<u>Alternative</u>

\large{(f + g)(x) = 2({x}^{2}  -x - 1)}

<u>Answer</u>

  • (f+g)(x) = 2x²-2x-2
  • (f+g)(x) = 2(x²-x-1)

Both answers work. The second answer is in factored form.

Let me know if you have any doubts!

8 0
2 years ago
Answer to math class
Fantom [35]

1/3 of 12,000 ballots were thrown out.

1/3 * 12,000 = 12,000/3 = 4,000

4,000 ballots were thrown out.

12,000 - 4,000 = 8,000

There were 8,000 ballots left.

1/4 of 8,000 ballots are for candidate A.

1/4 * 8,000 = 8,000/4 = 2,000

Candidate A received 2,000 votes.

8,000 - 2,000 = 6,000

Candidate B received 6,000 votes.

5 0
3 years ago
(100 POINTS) Please help I'll give brainliest!<br> Image attached.
Norma-Jean [14]

#1

Area of base=1/2(2.8)(4.2)

  • 2.8(2.1)
  • 5.88in²

Volume:

  • Area of base×Height
  • 5.88(7)
  • 41.16in³

#2

Area of base

  • 6×1/2(7)(6.1)
  • 3(7)(6.1)
  • 128.1cm²

Volume:-

  • 128.1(14)
  • 1793.4cm³
4 0
2 years ago
Read 2 more answers
Round 2593.6781 to nearest thousandths.
sveta [45]

Answer:

The answer is 2593.678

Step-by-step explanation:

7 0
2 years ago
Tia states that the graph of g(x) = (x – 2)3 + 7 is a translation of 2 units to the left and 7 units up from f(x) = x3. Is Tia’s
Lina20 [59]

Answer:

No.

Step-by-step explanation:

Compare g(x) = (x – 2)^3 + 7 to f(x) = (x - h)^3 + k.  Here, h denotes horizontal translation and k denotes vertical translation.  Translation to the left by 2 units would be (x + 2)^3 + 7.  Translation to the right by 2 units would be (x - 2)^3 + 7.  So, no, Tia's description of horiz. translation is incorrect.

However, her adding 7 does denote a positive vertical translation.


4 0
3 years ago
Read 2 more answers
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