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Vilka [71]
3 years ago
9

What is equavilent to (10x+7r-r^(2))+(-6r^(2)-18+5r)

Mathematics
1 answer:
mote1985 [20]3 years ago
6 0

Answer:

−7r^(2)+12r+10x−18

Step-by-step explanation:

Grab the original equation: 10x+7r−r^(2)−6r^(2)−18+5r

For subtraction bits, treat them as negatives: 10x+7r+−r^(2)+−6r^(2)+−18+5r

Combine like terms: (−r^2+−6r^2)+(7r+5r)+(10x)+(−18)

Simplify that, and you get your final answer: −7r^(2)+12r+10x+−18

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A. (3/2)² =<br> B. (-1/2)⁴ =<br> C. (-1/3)³ =<br> D. (-4/5)⁰ =<br> E. (-5/9)¹ =
Contact [7]

Answer:

A. (3/2)² = (9/4)

B. (-1/2)⁴ = (1/16)

C. (-1/3)³ = 1/81

D. (-4/5)⁰ = 1

E. (-5/9)¹ = (-5/9)

Step-by-step explanation:

A. (3/2)² = (9/4)

(3/2)*(3/2)   numerators-<em>3*3=9</em>   denominators-<em>2*2=4</em>    (9/4)

B. (-1/2)⁴ =

(-1/2)*(-1/2)*(-1/2)*(-1/2)=(-1*-1*-1*-1)/(2*2*2*2)= (1/16)

C. (-1/3)³ =

(-1/3)*(-1/3)*(-1/3)*(-1/3)=(-1*-1*-1*-1)/(3*3*3*3)=(1/81)

D. (-4/5)⁰ =

Anything to the power of 0 is =1

E. (-5/9)¹ =

Anything to the power of one is itself = (-5/9)

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3 years ago
Which digit could be the ten millions place that is less than 55,000,000 but greater than 25,000,000
Keith_Richards [23]
The answer is B hope this helped


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3 years ago
C=a+8 the variable A represents the number of events attended, and the variable C represents the total cost. What is the total c
Nitella [24]
If a is the number of events, then a = 1. Plugging in 1 for a in the equation C=a+8, you get C=1+8=9.

Total cost is $9.
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