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4 years ago

Translate the phrase into a math expression: 12 less than twice a number A. 2x(n-12) B 2 x n - 12 c 2 x n (divided) 12 D 12-2xn

1 answer:

4 0

The answer is B. 2x(n-12) is 2 times a number N minus 12, C is 2 times a number N divided by 12, D is 2 x n subtracted from 12

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hhhhhhhhhhhhhhhheeeeeeeeeeeeeeeeeeeeeeeeelllllllllllllllllllpppppppppppppppppppppppppppppppppppppppppp

hichkok12 [17]

Answer:

The choose;

$3 \frac{9}{10}$

Step-by-step explanation:

$2 \frac{3}{5} \div \frac{2}{3} \\ \\ = \frac{13}{5} \div \frac{2}{3} \\ \\ =\frac{13}{5} \times \frac{3}{2} = \frac{39}{10} \\ \\ = 3 \frac{9}{10}$

I hope I helped you^_^

5 0

3 years ago

Steve saved $2000. he saved $100 in june. what percent of the total amount did her save in june?

storchak [24]

The answer is 5%, you're welcome

8 0

4 years ago

Leonhard wants to place a triangular-based cabinet in the corner of his rectangle-shaped living room. The triangular base has a

Illusion [34]

Answer: The answer is $(A)~~x=\dfrac{-7+\sqrt{193}}{4}.$

Step-by-step explanation: Given that Leonhard wants to place a triangular based cabinet in the corner of his room which is rectangular in shape.

The base and height of the triangular cabinet are

$b=(2x+3)~\textup{feet},\\\\h=(3x+6)~\textup{feet}.$

Therefore, area of the triangular cabinet is given by

$a=\dfrac{1}{2}\times b\times h=\dfrac{1}{2}(2x+3)(3x+6)~\textup{sq. feet.}$

Now, the length and breadth of the rectangular room are 30 feet and 20 feet respectively. Therefore, the area of the room is given by

$A=30\times 20=600~\textup{sq. feet.}$

According to the question,

$a=6\%\times A\\\\\Rightarrow \dfrac{1}{2}(2x+3)(3x+6)=\dfrac{6}{100}\times 600\\\\\Rightarrow (2x+3)(3x+6)=24\times 3\\\\\Rightarrow (2x+3)(x+2)=24\\\\\Rightarrow 2x^2+7x-18=0\\\\\Rightarrow x=\dfrac{-7\pm\sqrt{7^2-4\times 2\times(-18)}}{2\times 2}\\\\\\\Rightarrow x=\dfrac{-7\pm\sqrt{193}}{4}.$

Since the length of something cannot be negative, so the value of 'x' is

$x=\dfrac{-7+\sqrt{193}}{4},$

because if we take the other value of 'x', the values of (2x+3) and (3x+6) will become negative which is not possible.

Thus, (A) is the correct option.

5 0

3 years ago

Write and solve a proportion to answer the question.

insens350 [35]

Answer:

48%

Step-by-step explanation:

$\dfrac{12}{25}=\dfrac{p}{100}\\\\100\cdot\dfrac{12}{25}=p\\\\48=p$

12 is 48% of 25.

4 0

3 years ago

an ant can travel at a constant speed of 980 inches every 5 minutes. at this rate how far can the ang travel in 7 minutes

MArishka [77]

Answer: 1372in

Step-by-step explanation: To find the unit rate, divide 980 by 5 and get 196. Then to find your answer, multiply 196 by 7min to get your answer 1372in.

6 0

4 years ago

Read 2 more answers