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mrs_skeptik [129]
3 years ago
12

Expand and simplify (x-3)(x+5)

Mathematics
2 answers:
Dmitry_Shevchenko [17]3 years ago
7 0

Answer:

^2 + 2x-15

Hope this helps

elixir [45]3 years ago
5 0
How to solve your problem
(

−
3
)
(

+
5
)
Simplify
1
Distribute
(

−
3
)
(

+
5
)

(

+
5
)
−
3
(

+
5
)
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A mechanical device makes a clicking sound every 3 seconds. If the device was plugged on for 15 hours, calculate the number of t
Blizzard [7]
900 times

Why?

15•60=900

(The 60 is because there are 60 mins in an hour).

Hope this helps!!
8 0
3 years ago
Please help I need help thank you so much
SpyIntel [72]
C. -84 dived by -12 = -7

D. -144 dived by -12 = 12

E. -88 dived by -4 = -43

F. 144 dived by -6 = -24


Hope this help yww
6 0
2 years ago
Check ALL That Apply ..It’s More Than One Answer
siniylev [52]
C, as they are on the same plane, (it is uncommon to find non co-planar lines)
D, as that symbol means parallel

A is untrue as they are on the same plane
B is untrue as that symbol means perpendicular
E is untrue as perpendicular means the two lines intersect and form 90 degree angles
F is untrue as parallel lines never intersect
7 0
3 years ago
PLEASE HELP!
Cloud [144]
The short answer is trial and error.  The side lengths "3" and "4" can both be substituted for a² and b² but not c² because their value squared is not high enough since 5² is 25. "c²" as to match the longest side because the smaller numbers will cause the equation to not be true. See Below. 

a² + b² = c²
3² + 4² = 5²
9 + 16 =  25
25 = 25
______________________________

a² + b² = c²
4² + 3² = 5²
16 + 9 = 25
25 = 25
______________________________

a² + b² = c²
5² + 4² = 3²
25 + 16 = 9
41 ≠ 9

______________________________

a² + b² = c²
3² + 5² = 4²
9 + 25 = 16
34 ≠ 16

Hope this helped!
7 0
3 years ago
What is y=2x-5 and x+3y=27 graphed
alex41 [277]

Answer:

See attachment

Step-by-step explanation:

The first function is y=2x-5.

The slope is m=2 and the y-intercept is b=5.

The second equation is x+3y=27.

The slope intercept form is y=\frac{1}{3}x+9

The slope is m=\frac{1}{3} and y-intercept is b=9

The graph of these two functions is shown in the attachment.

5 0
4 years ago
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