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Paraphin [41]
3 years ago
7

Simplify (x^2 -25)/ (2x^2-7x-15)

Mathematics
1 answer:
murzikaleks [220]3 years ago
4 0

Answer:

\frac{x+5}{2x+3}

Step-by-step explanation:

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Consumer Math work. Please help
Firdavs [7]

Answer:

$337.5

Step-by-step explanation:

He would get $337.5 because if he gets $11.25 every hour you just multiply $11.25 by 30 hours.

7 0
3 years ago
Find the slope of the line that passes through<br> (10, 1) and (6,2)
Daniel [21]

Answer:

m=-1/4

Step-by-step explanation:

2-1/6-10=1/-4

-1/4 is the slope

7 0
2 years ago
Read 2 more answers
There are 126 Year 7 pupils in a tennis club, out of a total of 168 pupils.
Ivenika [448]

Answer:

75% of students are year 7

Step-by-step explanation:

divide 126 by 168 which equals 75% of year 7 pupils

7 0
2 years ago
5. Identify the correct trigonometry formula to use to solve for X.
Anna007 [38]

9514 1404 393

Answer:

  (a)  cos(55°) = 11/x

Step-by-step explanation:

The marked sides are the hypotenuse (x) and the side adjacent to the given angle (11). Then the relevant trig ratio is ...

  Cos = Adjacent/Hypotenuse

  cos(55°) = 11/x

4 0
2 years ago
(Hypothetical.) Suppose a certain person's reaction time, in seconds, for pressing a button on a visual cue has the following cu
Sonbull [250]

Answer:

the probability the person's reaction time will be between 0.9 and 1.1 seconds is 0.0378

Step-by-step explanation:

Given the data in the question;

the cumulative distribution function F(x) = 1 - \frac{1}{(x + 1)^3} ; x > \theta

probability the person's reaction time will be between 0.9 and 1.1 seconds

P( 0.9 < x < 1.1 ) = P( x ≤ 1.1 ) - P( x ≤ 0.9 )

P( 0.9 < x < 1.1 ) = F(1.1) - F(0.9)

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

we substitute

= [ 1 - \frac{1}{(1.1 + 1)^3}  ] - [1 - \frac{1}{(0.9 + 1)^3} ]

= [ 1 - \frac{1}{(2.1)^3}  ] - [1 - \frac{1}{(1.9)^3} ]

= [ 1 - \frac{1}{(9.261)}  ] - [1 - \frac{1}{(6.859)} ]

= [ 1 - 0.1079796998 ] - [ 1 - 0.1457938 ]

= 0.8920203 - 0.8542062

= 0.0378

Therefore, the probability the person's reaction time will be between 0.9 and 1.1 seconds is 0.0378

5 0
3 years ago
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