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Inessa05 [86]
3 years ago
5

How would I answer a question if it would be like this (a= -9 and b= -4)

Mathematics
2 answers:
Reika [66]3 years ago
7 0

Answer:

712

Step-by-step explanation:

So what you do is you have to substitute -9 for a and -4 b.

7(-4)^2 +5((-9)(-4)-6)=

=7(16)+5(30)=

=112+600=

=712

zalisa [80]3 years ago
4 0

Answer:

Step-by-step explanation:

You see if A if are added you or divided by or multiply by B that’s the way how you do it

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Sam is delivering two refrigerators that each weigh 105 kilograms there is an elevator with a weight limit of 1,00 pounds
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Question:

Sam is delivering two refrigerators that each weigh 105 kilograms. There is an

elevator with a weight limit of 1,000 pounds. Can he take both refrigerators on the

elevator in one trip? (1 kilogram 2.2 pounds)

Answer: yes he can

Step-by-step explanation:

Yes he can.

He can if the total weight of the 2 refrigerator didn't exceed the weight limit of the elevator.

Therefore:

Since 1 refrigerator weigh 105kg

2 refrigerator = 2 x 105kg = 210kg

The weight limit of the elevator 1000pounds convert to kg.

Since

2.2 pounds = 1kg

1000 pounds = 1000/2.2 kg

=454.55kg

Weight limit of the elevator = 454.55kg.

Since Weight of the 2 refrigerator is less than

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3 years ago
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Answer:

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Step-by-step explanation:

polynomial degree:224

leading term:7x^223

leading coefficient:7

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