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Readme [11.4K]
3 years ago
14

What is the perimeter of a square with sides that measure 2x + 3 units?

Mathematics
1 answer:
PtichkaEL [24]3 years ago
8 0

Answer:

8x+12

Step-by-step explanation:

We know that squares have equal sides. To calculate perimeter, just add up all of the 4 sides.

2x+3+2x+3+2x=3+2x+3

Add like terms:

8x+12

You could also multiply by four:

4(2x+3)

Use distributive property:

8x+12

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10 Find the standard equation of the circle having the given center and radius.
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the standard equation of the circle having the given center and radius is (x-9)^2+(y-2)^2=\frac{9}{25}.

8 0
2 years ago
15. The container shown in the figure is filled with a liquid that weighs 50 g. Find its density.
3241004551 [841]

Answer:

  C.  0.006 g/cm³

Step-by-step explanation:

As the units tell you, density is the ratio of mass to volume. The volume of the container is found from ...

  V = πr²h = π(10 cm)²(25 cm) = 2500π cm³

Then the density is ...

  ρ = (50 g)/(2500π cm³) = 1/(50π) g/cm³

  ρ ≈ 0.006 g/cm³

_____

<em>Comment on the problem</em>

The "liquid" has about the same density as air pressurized to 75 psi.

5 0
3 years ago
Read 2 more answers
A frog is jumping onto a lily pad. Its height, h (in feet), is recorded at various seconds, t, in the
myrzilka [38]

Answer:

I don't know

Step-by-step explanation:

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7 0
3 years ago
Evaluate the function<br> f(x)= 7.45x + 33.7 at x= -4.3
slavikrds [6]
First, you have to substitute for x, which would make the problem f(x)=7.45(-4.3)+33.7
Now, you just have to use the PEMDAS method (Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction)
f(x)= -32.035+33.7
f(x)=1.665
6 0
3 years ago
__ x 5 &gt; 5 <br><br> 3/3 <br> 2/3<br> 5/3
Citrus2011 [14]
_ * 5 > 5

3/3 is equal to 1 which would make them equal to each other.
2/3 is less than one which means it would make the number on the left less than 5, not greater than.
the answer is 5/3 because it is bigger than the other answer choices and will result in a greater number than that on the right.
7 0
3 years ago
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