2 years ago

(9,-9), (13,-3) djfjfifugjfjjdjd

Mathematics

1 answer:

kondaur [170]2 years ago

4 0

Answer:

it would be in 2nd quadrant

Step-by-step explanation:

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What is the sum of all the exterior angles for a 99-gon?*

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In order to get an A in science, Jack must get at least a 92% on his next test. If test has 30 questions,what is the minimum num

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3 years ago

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Makovka662 [10]

Answer:

Train A - 50 miles per hour

train B - 30 miles per hour

Step-by-step explanation:

Let x mph be the speed of the train B, then the speed of the train A is (x+20) mph.

In 3 hours,

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train B travels 3x miles

In total, they covered the distance of 240 miles, so

$3(x+20)+3x=240\ \ \ \text{[Divide by 3]}\\ \\x+20+x=80\\ \\2x=80-20\\ \\2x=60\\ \\x=30\ mph\\ \\x+20=30+20=50\ mph$

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2 years ago

Don is paid $4.75 on each class ring sold. How much will he earn if he sells 90 class rings?

Mice21 [21]

He will earn $427.50 because $4.27 times 90 equals $427.50

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2 years ago

(9,-9), (13,-3) djfjfifugjfjjdjd​

(9,-9), (13,-3) djfjfifugjfjjdjd