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o-na [289]
3 years ago
12

Which expression shows the sum of a number and its additive inverse?A.–10 – 10B.10 – (–10)C.10 + (–10)D.–10 + (–10)

Mathematics
2 answers:
d1i1m1o1n [39]3 years ago
7 0

the answer is C. 10 + (-10)

Veseljchak [2.6K]3 years ago
5 0
Answer is C. 10 + (-10)
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Jenny walked 2.5 miles in 50 minutes . At this rate , how many minutes did it take her to walk 1 mile ?
Harlamova29_29 [7]
For this question, let's use algebra!

<u>2.5 miles</u>  =  <u>50 minutes</u>
 1 mile             x minutes

x minutes = 50 x 1 ÷ 2.5
x minutes = 20

Hope this helps!
8 0
3 years ago
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A plane descends 27,500 feet to the ground. If the plane descends at a rate of 275 feet per minute, how long will it take the pl
slava [35]

Answer:

Just take the two zeros to 100

Step-by-step explanation:

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cell phone provider offers a plan that costs ​$40 per month plus ​$0.20 per text message sent or received. A comparable plan cos
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the second one is the better deal

Step-by-step explanation:

6 0
2 years ago
What is the image of (-9,-5) after a dilation by a scale factor of 5 centered at the origin?​
Novosadov [1.4K]

Answer:

(-45,-25)

Step-by-step explanation:

-9 * 5 = -45-5 * 5 = -25(-45,-25)

6 0
2 years ago
F(x)=x^3-2x+6 g(x)=2x^3+3x^2-4x+2 Find (f-g)(x).
____ [38]
(f-g)(x) = f(x) - g(x)
  = (x^3 -2x+6) - (2x^3+3x^2-4x+2)
  = x^3 -2x +6 -2x^3 -3x^2 +4x -2 . . . . distribute the negative sign
  = (1-2)x^3 -3x^2 +(-2+4)x +(6-2) . . . . . combine like terms

(f-g)(x) = -x^3 -3x^2 +2x +4
7 0
3 years ago
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