3 years ago

What is the value of a cube with 1/2 inch sides

Mathematics

1 answer:

Serhud [2]3 years ago

8 0

2 is your answer .........

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Julissa wants to find the perimeter of her bedroom that is similar to her brother's. If her brother's bedroom is 12 ft long and

tatuchka [14]

I’m guessing that her room is 10ft long and 12ft wide
Because it is similar

To find perimeter, you add.
10 + 10 + 12 + 12
44ft
So about 40ft

Hope this helps :D

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3 years ago

Biruk wants to buy a book for $15.25 and a book for $4.85. He wants to pay with one $20 bill. Use estimation to decide if this i

ycow [4]

First round 15.25 to 15.30 and round 4.85 to 4.90 and then add you get 21.20 no it is not reasonable and you round to the decimal ones

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3 years ago

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Make a conjecture abouth the following statement: Angle ABC and angle CBD are adjacent.

zvonat [6]

The measure of Angle ABD = measure of Angle ABC + measure of Angle CBD

3 0

3 years ago

What is the solution of the set?

ziro4ka [17]

$x^2=16-4x\ \ \ |+4x\\\\x^2+4x=16\ \ \ \ |+2^2\\\\\underbrace{x^2+2\cdot x\cdot2+2^2}_{(a+b)^2=a^2+2ab+b^2}=16+2^2\\\\(x+2)^2=20\iff x+2=\pm\sqrt{20}\\\\x+2=-\sqrt{4\cdot5}\ \vee\ x+2=\sqrt{4\cdot5}\ \ \ |-2\\\\x=-2-2\sqrt5\ \vee\ x=-2+2\sqrt5$

Answer: D.

3 0

3 years ago

Solve for x: 2/3x + 4=12 show your work

xz_007 [3.2K]

Answer:

X=12

Step-by-step explanation:

2/3x+4=12

Multiply 3 to both sides of the equation

2x+12=36

Subtract 12 on both sides

2x=24

Divide by 2 on both sides

X=12

4 0

3 years ago