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Kitty [74]
3 years ago
15

What does this equal? 4x+5=12-2x

Mathematics
2 answers:
Harman [31]3 years ago
8 0
4x+5=12-2x
Answer: x=1.1666666 and so on
geniusboy [140]3 years ago
7 0
4x+5=12-2x
6x+5=12
6x=7
x=1.167 (rounded)
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A submarine that is 245 feet below sea level descends 83 feet and then ascends
kirill115 [55]

Answer:

-225 ft

Step-by-step explanation:

Initial position:

  • - 245 ft

Movements:

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Final position is -225 ft, choice B

8 0
3 years ago
The sum of two trinomials is 7x2 - 5x + 4. if one of the trinomials is 3x2 + 2x - 1, then what is the other trinomial?
Margarita [4]

Answer:

  b.  4x^2 -7x +5

Step-by-step explanation:

When you know a sum and one of its contributors, you can find the other by subtraction. The other trinomial is ...

  (7x^2 -5x +4) - (3x^2 +2x -1)

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5 0
2 years ago
You purchased a rare painting for $150 that is increasing in value by 3% annually. How many years will it take until it is doubl
Ahat [919]

Answer:

23 years.

Step-by-step explanation:

It is given that the initial price of painting is $150 and its values increasing by 3% annually.

We need to find how many years will it take until it is doubled in value.

The value of painting after t years is given by

y=150(1+0.03)^t

y=150(1.03)^t

The value of painting after double is 300. Substitute y=300.

300=150(1.03)^t

Divide both sides by 150.

2=(1.03)^t

Taking log both sides.

\log 2=\log (1.03)^t

\log 2=t\log (1.03)

t=\dfrac{\log 2}{\log (1.03)}

t=23.44977

t\approx 23

Therefore, the required number of years is 23.

6 0
3 years ago
Which of the following is the solution set to the equation: 2x(x-3)(4x+1)=0?
Troyanec [42]

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Step-by-step explanation:

Step 1: Factor left side of equation.

2x(4x+1)(x−3)=0

Step 2: Set factors equal to 0.

2x=0 or 4x+1=0 or x−3=0

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3 0
3 years ago
Find ‘x’ in:- <br> x:6 :: 5 : 11
melomori [17]

Answer:

<h3>x:6 :: 5 : 11</h3>

x = 6*5/11=30/11

7 0
2 years ago
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