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miv72 [106K]
3 years ago
13

Which algebraic expression represents the phrase "two times the quantity of a number minus 12"?

Mathematics
2 answers:
Umnica [9.8K]3 years ago
7 0
The answer to the question is 2y-12
Mrac [35]3 years ago
6 0
The answer to the expression is 2y-12
You might be interested in
+{-x2y+[-(x2y-2xy2+y2)+(-xy2-3y2+x2y)]-(10y2-x2y)}
Kay [80]

Answer:

3xy² -  14y²      

Step-by-step explanation:

I hope that this is the problem

   - x²y + [ - (x²y - 2xy² + y²) + (xy² - 3y² + x²y)] - (10y² - x²y)

= - x²y + [ - x²y + 2xy² - y² + xy² - 3y² + x²y] - 10y² + x²y

Now combine like terms in the [  ].

= - x²y  + [ -x²y + x²y + 2xy² + xy² - y² - 3y² ] - 10y² + x²y

= - x²y  + [ 0 + 3xy² - 4y²] - 10y² + x²y

= - x²y + 3xy² - 4y² -10y² + x²y                      Now combine like terms

=   (-x²y + x²y) + 3xy² + (-4y² - 10y²)

=       0 + 3xy² - 14y²

=  3xy² -  14y²       or    y²(3x - 14)

6 0
2 years ago
Need help with a math question
solmaris [256]

<u>Answer:</u>

3%

<u>Step-by-step explanation:</u>

We are given the data of number of cars observed waiting in line at the beginning of 2 minute intervals between 3 and 5 p.m. on Friday.

We are to find the probability (in percent) that there is no one in line.

Sum of frequencies = 2 + 9 + 16 + 12 + 8 + 6 + 4 + 2 + 1 = 60

Frequency of no car in line = 2

P (no car in line) = 2 / 60 × 100 = 3.3% ≈ 3%

7 0
3 years ago
Robert earns $300 every week. What equation shows the relationship betwee
Fudgin [204]

Answer:

ah

Step-by-step explanation:

4 0
3 years ago
Given a regular square pyramid with RS = 6 and PX = 4, find the following measure.<br><br> PY =
Dennis_Churaev [7]

Answer:

PY=5\ units

Step-by-step explanation:

we know that

Applying the Pythagoras Theorem

PY^{2}=PX^{2}+XY^{2}

In this problem we have that

XY=RS/2=6/2=3\ units

PX=4\ units

substitute

PY^{2}=4^{2}+3^{2}

PY^{2}=25

PY=\sqrt{25}\ units

PY=5\ units

5 0
3 years ago
Read 2 more answers
Can someone please help me with this?
AVprozaik [17]

Answer: x= -3 + 2\sqrt{2\\} or -3 -2 \sqrt{2}

Step-by-step explanation:

First you want to get the quadratic formula

in this case a=1 b=6 and c=1

plug it in and solve the equations

(sorry don't know how to put in equations here)

6 0
3 years ago
Read 2 more answers
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