3 years ago

9. (4,10) and (-2,-5)Slope:

Mathematics

1 answer:

marshall27 [118]3 years ago

4 0

Answer:

-7/2

Step-by-step explanation:

y2-y1 / x2-x1

-5-10 / -2-4

-15 / -6

-7 / -2

= -7/2

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WARRIOR [948]

The mean is 85.2

Explanation:

Add all the numbers together

98+78+84+75+91=426

Divide the sum by the amount of numbers you added together

426/5= 85.2

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3 years ago

Kenny had 5/7 more trading cards than Lee. After Kenny collected 50% more trading cards, he had 220 more trading cards than Lee.

Monica [59]

Answer:

140 cards

Step-by-step explanation:

-Let x be the total number of trading cards Lee has.

-Therefore, each person has:

$Lee= x\\\\Kenny=1\frac{5}{7}x$

#Kenny collects 50% more. We multiply his current amount by 1.5times:

$=1\frac{5}{7}\times 1.5\\\\=2\frac{4}{7}x$

#We are given that Kenny's new number is 220 more than Lee's x. We therefore equate and solve as below:

$2\frac{4}{7}x-x=220\\\\1\frac{4}{7}x=220\\\\=140$

Hence, Lee had 140 cards

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3 years ago

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kvasek [131]

Answer:

11.1

Step-by-step explanation:

Use the Pythagorean Theorem to find the side.

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3 years ago

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Aleksandr-060686 [28]

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Step-by-step explanation:

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4 years ago

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9. (4,10) and (-2,-5)Slope:​

9. (4,10) and (-2,-5)Slope: