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Anestetic [448]

3 years ago

9

A building's basement is 15 feet below ground. The building is square shaped with side lengths of 60 feet. If the height of the

building is 55 feet, what is the length of the building from basement to roof? A) 40 feet B) 45 feet Eliminate C) 70 feet D) 75 feet

1 answer:

bezimeni [28]3 years ago

4 0

See picture. Answer is C

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Raphael went to the store and bought 2 1/2 pounds of chicken for $9.00. What was the cost per pound of the chicken? Round your a

Anon25 [30]

Answer:

3 3/5

Step-by-step explanation:

Raphel bought 2 1/2 pounds of chicken for $9

Therefore the cost per round of the chicken can be calculated as follows

9÷5/2

= 9×2/5

= 18/5

= 3 3/5

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3 years ago

Completing the square:

vichka [17]

Answer:

Step-by-step explanation:

Key to this method is remembering that

$(a+b)^2 = a^2 + 2ab + b^2$

So, if you divide the coefficient of x by 2 and square it, that will complete the square. With that in mind, things are easy.

6/2 = 3, so add $3^2 = 9$

$x^2+6x+9 = (x+3)^2$

So, c=9

Similarly, for the other two,

$c = (\frac{-34}{2} )^2 = (-17)^2 = 289$

You don't really have to worry about the sign, since squaring will always make it positive

$(\frac{25}{13}) ^2 = \frac{625}{169}$

7 0

4 years ago

Plz help i got to go in 10 min

AlexFokin [52]

I think it’s 390. I hope I’m not too late :V

4 0

4 years ago

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How do you solve (20.3×0.7)×7 with pemdas step by step

JulijaS [17]

TheProfessor35's answer is correct, but here's a step by step as you asked. PEMDAS stands from Parentheses Exponents Multiplication Division Addition Subtraction. So, in the problem, you first solve the part inside the parentheses. Are there exponents? No, so we move on. Anything need to be multiplied? Yes, 20.3 x 0.7. That gives us 14.21. Now, there is nothing left in the parentheses to be divided, added, or subtracted, so we move on to the outside. We multiply 14.21 by 7 and get 99.47.

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4 years ago

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Help!!! i dont know what im doing!!

Sati [7]

Answer:

B is incorrect because you could set them equal to each other

6 0

3 years ago