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schepotkina [342]
3 years ago
7

What is the solution set for -4x - 10 ≤ 2

Mathematics
1 answer:
maksim [4K]3 years ago
5 0
The answer is: x is greater to or equal to -3
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A cafeteria sells 30 drinks every 15 minutes. How many drinks can be sold in one hour?
aev [14]

Answer:30 drinks

Step-by-step explanation:

4 0
3 years ago
You spent $10 on office supplies out of a $25 budget. What percentage did you spend
Alexxandr [17]
The simplest way to find percent is to take the partial number, divide by the whole number, and multiply the answer by 100%.

= 0.4

0.4 x 100% = 40%.
8 0
3 years ago
Simplify completely..........​
vitfil [10]

Answer:

\frac{x}{x-1}

Step-by-step explanation:

\frac{3x^2 - 1}{x^2 - 1} - \frac{2x + 1}{x + 1}                                          [ \ x^ 2- 1 = (x-1)(x + 1) \ ]

= \frac{3x^2 - 1}{(x-1)(x  + 1 )} - \frac{2x + 1}{x + 1}\\\\=\frac{(3x^2 - 1)-(2x + 1)(x-1)}{(x + 1)(x-1)}                        [\ Taking \ LCM \  ]

= \frac{(3x^2 - 1)- (2x^2 - 2x + x - 1)}{(x+1)(x-1)}\\\\=\frac{3x^2 - 1 - 2x^2 + x + 1 }{(x+1)(x-1)}\\\\=\frac{x^2 +x}{(x+1)(x-1)}\\\\=\frac{x(x+1)}{(x+1)(x-1)}\\\\=\frac{x}{x-1}

<em><u>Finding LCM :</u></em>

Example :

                 \frac{1}{6} + \frac{1}{3}

6 = 2  x   3

3 = 1   x   3

                \frac{1}{2 \times 3} + \frac{1}{ 3} = \frac{1}{2 \times 3} + \frac{1 \times 2}{ 3 \times 2}  

[ To make the denominators same : the second fraction is multiplied and divided by 2 ]

Similarly :

 (x^2 - 1 ) = (x -1)(x+1)\\\\(x + 1)  = 1 \times (x + 1)

Same rule we applied : multiplied the numerator and denominator of the second term with ( x - 1 )

Therefore the second term becomes ,

                                       \frac{2x + 1}{x + 1} = \frac{(2x + 1)(x - 1)}{(x + 1)( x - 1)}

7 0
3 years ago
Which equation correctly demonstrates the distributive property?
astraxan [27]
B. 30(3a+2b). This is because when distributing, you don't multiply anything unless there is an original multiplication sign. However, that is not the case in choices C and D. In answer choice A, 16 was not distributed to -4k.
4 0
3 years ago
HELP<br> What is the measure of an exterior angle of a regular 45-gon?
tresset_1 [31]

Answer:Sum of exterior angle of any polygon is 360o . As each exterior angle is 45o , number of angles or sides of the polygon is 360o45o=8 . Further as each exterior angle is 45o , each interior angle is 180o−45o=135o .

Step-by-step explanation: hope this helps ;)

4 0
3 years ago
Read 2 more answers
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