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Gnesinka [82]
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?
Mathematics
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

5 0
3 years ago
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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
Irina-Kira [14]
The answer is C $499,355.18
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3 years ago
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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
Pavel [41]
-50 feet because you have to add 2 to 30 and since it is below sea level, it is a negative
3 0
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!

4 0
2 years ago
Read 2 more answers
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