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2 years ago

What is thisssssssssssssss

Mathematics

2 answers:

disa [49]2 years ago

5 0

Answer:

900 hundreds

Step-by-step explanation:

just take off all the numbers and add zeros

Reika [66]2 years ago

3 0

Answer:

hundreds

Step-by-step explanation:

The underlined value is the hundreds value. The third number will always be the hundreds.

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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

2 years ago

Sienna has graphed the equation y - 3x = -2

Galina-37 [17]

Answer:

Step-by-step explanation:

I need your help please please

4 0

2 years ago

Read 2 more answers

What term must be precisely defined before writing a sufficient definition of angle?

madreJ [45]

The answer is C.

Step-by-step explanation:

It's C) Ray

8 0

1 year ago

A city has a population of 250,000 people. Suppose that each year the population grows by 6%. What will the population be after

irinina [24]

Answer:

503,049

Step-by-step explanation:

250,000 × 1.06^12 is the formula.

You take the percentage which is 6% and you add 1 to it.

So, you get 1.06

Then you take the 1.06 and raise it to the number of years which is 12.

1.06^12

Then you multiply that number to the base number which is 250,000 and get 503,049.

Hope this helps!

5 0

2 years ago

If the ratio of boys to girls is 3 : 11 and there are 66 girls in the play, how many students are boys?

iragen [17]

Answer:

18 boys

Step-by-step explanation:

boys/girls = 3/11 = b/66

3/11 = b/66

11b = 3 × 66

b = 3 × 6

b = 18

There are 18 boys.

8 0

2 years ago