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2 years ago

14

Tim had 55% off all the baseball cards ever made by Bob's Publishing Company. If he has 960 cards, how many had Bob's Publishing

Company made?

2 answers:

Helen [10]2 years ago

8 0

Answer:

The answer is 528..

GuDViN [60]2 years ago

3 0

The answer is 528 cards

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A rectangular parking lot must have a perimeter of 440 feet and an area of at least 8000 square feet. Describe the possible leng

tangare [24]

Answer:

The possible parking lengths are 45.96 feet and 174.031 feet

Step-by-step explanation:

Let x be the length of rectangular plot and y be the breadth of rectangular plot

A rectangular parking lot must have a perimeter of 440 feet

Perimeter of rectangular plot =2(l+b)=2(x+y)=440

2(x+y)=440

x+y=220

y=220-x

We are also given that an area of at least 8000 square feet.

So, $xy \leq 8000$

So, $x(220-x) \leq 8000$

$220x-x^2 \leq 8000$

So, $220x-x^2 = 8000\\-x^2+220x-8000=0$

General quadratic equation : $ax^2+bx+c=0$

Formula : $x=\frac{-b \pm \sqrt{b^2-4ac}}{2a}$

$x=\frac{-220 \pm \sqrt{220^2-4(-1)(-8000)}}{2(-1)}\\x=\frac{-220 + \sqrt{220^2-4(-1)(-8000)}}{2(-1)} , \frac{-220 - \sqrt{220^2-4(-1)(-8000)}}{2(-1)}\\x=45.96,174.031$

So, The possible parking lengths are 45.96 feet and 174.031 feet

3 0

3 years ago

Plz give correct answer! (might give brainliest) :)<br><br><br> thnx, have a nice day!

neonofarm [45]

Answer:

56

Step-by-step explanation:

(14-7)×(40-32)

(7)×(8)

56

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Ken started saving for retirement at age 35 with plans to retire at age 70. He invested an average of $600 per month in various

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The answer is C $499,355.18

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In the early spring, the trout at Big Blue Lake swim at a depth of 30 feet below sea level. When the lake warms up in the summer

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3 years ago

Y / 4 + 8 = 22 Answer?

pshichka [43]

Answer:

y = 3.5

Step-by-step explanation:

First, you do 14/4 which = 3.5

Hope this helps!

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2 years ago

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