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Pavel [41]
3 years ago
10

Simplify 8x+7-2x-4 completley

Mathematics
1 answer:
Nat2105 [25]3 years ago
5 0

Answer:

8x + 7 - 2x - 4

8x + (-2x) = 6x

7 + -4 = 3

Final Answer= 6x + 3

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A medical device is sterilized by gamma radiation at 2.5 megarads (Mrad). Express the equivalent quantity in rads.
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Answer:

2 500 000 rad.

Step-by-step explanation:

Mega is the metric prefix for 10^{6}, therefore you just need to multiply by 1 000 000 to find the value in rads.

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A standard deck of playing cards contains 52 cards, equally divided among four suits (hearts, diamonds, clubs, and spades). Each
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Please help :) (10 points)
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Read 2 more answers
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2 years ago
Find the slope of the line through the points (-13,15), (20,-7)
kifflom [539]

Answer:

\boxed{ \bold{  \huge{\boxed{ \sf{ \frac{ - 2}{3} }}}}}

Step-by-step explanation:

Let the points be A and B

A ( -13 , 15 ) ⇒( x₁ , y₁ )

B ( 20 , -7 )⇒( x₂ , y₂ )

<u>Finding</u><u> </u><u>the</u><u> </u><u>slope</u><u> </u> :

\boxed{ \sf{slope =  \frac{y2 - y1}{x2 - x1} }}

plug the values

⇒\sf{slope =  \frac{ - 7 - 15}{20 - ( - 13)} }

We know that, \sf{( - ) \times ( - ) =  ( + )}

⇒\sf{slope =  \frac{ - 7 - 15}{20 + 13}}

Calculate the sum

⇒\sf{slope =  \frac{ - 22}{33} }

Reduce the numbers with G.C.F 11

⇒\sf{slope =  \frac{ - 2}{3} }

Hope I helped !

Best regards!!

7 0
3 years ago
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