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Lisa [10]
3 years ago
15

Find the value of this expression if x = -9. x2 + 1 x+7

Mathematics
1 answer:
Mamont248 [21]3 years ago
6 0

Answer:

-41

Step-by-step explanation:

You would replace all x's with -9 and solve.

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Katyanochek1 [597]

Answer:

Ava gives each cat 2 treats. 3 treats are left.

Step-by-step explanation:

15/6 = 2.5

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5 0
2 years ago
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Your model locomotive is 16 inches long. It is an exact model of a locomotive that is 40 feet long. A window on the locomotive i
Rasek [7]
The locomotive is 40 ft long.
40 ft = 40 * 12 in. = 480 in.
The locomotive is 480 inches line.
The model is 16 inches long.
480/16 = 30
The real locomotive is 30 times longer than the model.
A window on the locomotive is 30 times wider than a window on the model.
6 0
2 years ago
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Now move the center of rotation, R, to a different position on the coordinate plane.
Scilla [17]

Answer: If the center of rotation is changed, the pentagon maps back onto itself only one time, when the value of a is 360 degrees that is, when the pentagon completes a full rotation.  (just a heads up if your going to copy and paste, change it up a bit because this is word for word :) hope it helped!)

4 0
3 years ago
Whats is the anwser to 469 plus 8346
NeX [460]
469 + 8346 = 8,815...is that what you needed to know?
3 0
3 years ago
–8x + 9y = –8<br> y = –8<br> substetution <br> Need fast
emmasim [6.3K]
If you substitute the -8 in for y you will get -72
You can then add the 72 to the other side and get -8x=64
Dividing by -8 to both sides to get x alone will give you x
X=-8
5 0
3 years ago
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