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nignag [31]
3 years ago
14

Simplify (3x − 5) (5x 1). 8x − 6 8x 4 8x − 4 2x − 4.

Mathematics
1 answer:
Tatiana [17]3 years ago
3 0

Answer:

8x-4

i remember being asked this question but i dont remember how to do it and i am sorry for that... but i know that it is 8x-4

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A car travels at an average speed of 48 miles per hour. How long does it take to travel 180 miles?
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3 hours and 45 minutes

Step-by-step explanation:

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Complete the sentence below.
enot [183]
Hi there!

For a 3,4,5 triangle the smallest angle measure would be 45 degrees.

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Explain how to use estimation to help find the product of two decimals. Give one example with both estimated and actual answers.
kupik [55]
2.4 * 1.7....for estimation, round ur numbers to the nearest whole number

estimation : 2 * 2 = 4
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7 0
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Given: a and b are first-quadrant angles, sin a = 5/13 , and cos b = 3/5 , evaluate cos(a + b).
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Step-by-step explanation:

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7 0
3 years ago
Which equation represents a line which is perpendicular to the line 5x+6y=−42?
Mice21 [21]
First we bring the line into standard form:
5x+6y=-42
6y=-5x-42
y=(-5/6)x-7

the line has a slope m=-5/6
to get the slope of a perpendicular line you have to know that for slopes of two perpendicular lines this relationship holdes:
m1*m2=-1
if we insert the slope:
-5/6*m2=-1
m2=-1/(-5/6)
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-> y=6/5x
this passes though (0,0)
5 0
3 years ago
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