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3 years ago

I am so confused right now plz help me

Mathematics

1 answer:

Maksim231197 [3]3 years ago

3 0

You have to remember P.E.M.D.A.S. when doing problems like this.
Drew used PEMDAS so we know he isn't wrong. However, Sam didn't use PEMDAS. She multiplied 2&5 instead of raising 5 to the second.
The correct answer for Sams' problem would be 30.
Hope this helps! :)

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If a circular property has a diameter of 50' and costs $120 per square foot, what is the cost of the property?

dusya [7]

Find area
area=pir^2
d/2=r=50/2=25

A=pi25^2
a=pi625
aprox pi=3.141592
a=1963.495
that is how many square feet
multiply that by 120
1963.495 times 120=$235,619.4

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3 years ago

Solve for x. x = [?] 4x - 2 3x + 14

Ilya [14]

Answer:

X = 7

Step-by-step explanation:

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3 years ago

Help, I’m stuck. Thank you very much

ZanzabumX [31]

If you notice, the container is really just two circles, with a diameter of 4 each, and a square with sides of 10.5.

now, if we just get the area of each circle, keeping in mind their radius is half of the diameter, namely r = 2, and get the area of the 10.5x10.5 square, sum them up, that'd be the surface area of the container.

$\bf \stackrel{\textit{2 circle's area}}{2(\pi r^2)}~~+~~\stackrel{\textit{area of the square}}{10.5\cdot 10.5}
\\\\\\
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3 years ago

The sum of 10 and twice a number (an equation)

Gekata [30.6K]

Answer:

10+2x= the sum (anything could be put here)

Step-by-step explanation:

Well sum is automatically addition

Doubleing a number is basically multiplying it by 2

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3 years ago

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yarga [219]

Answer:

B. 5 + 2p

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Let's simplify the problem:

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*We'll be using Addition and Multiplication operations.

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$5 + 2p$

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5 + (5 more than) 2(P) Twice the amount of calculators John has.

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2 years ago