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motikmotik
3 years ago
9

Michael is putting a circular window in a wall in his house. He measures out the radius of the window to be 3 feet, and decides

the circumference of the window will be 6 feet. Do you agree with his conclusion? If not, where did he go wrong?
Mathematics
1 answer:
enyata [817]3 years ago
3 0

Answer:

circumfrence = 2 x pi x r

C = 2 x 3.14 x 3

C = 18.84 feet

Don't agree with Conclusion.

Mistake was he didn't multiply by pi (3.14)

Step-by-step explanation:

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What is the volume of a rectangular prism with the dimensions: base 3 1 2 cm, height 1 1 2 cm, and length 5 1 2 cm?
jenyasd209 [6]

Answer:

The volume of a rectangular prism is 28\frac{7}{8}\ cm^{3}

Step-by-step explanation:

we know that

The volume of the rectangular prism is equal to

V=BHL

Convert the given dimensions to an improper fractions

B=3\frac{1}{2}\ cm=\frac{3*2+1}{2}=\frac{7}{2}\ cm

H=1\frac{1}{2}\ cm=\frac{1*2+1}{2}=\frac{3}{2}\ cm

L=5\frac{1}{2}\ cm=\frac{5*2+1}{2}=\frac{11}{2}\ cm

substitute in the formula

V=(\frac{7}{2})(\frac{3}{2})(\frac{11}{2})=\frac{231}{8}\ cm^{3}

Convert to mixed number

\frac{231}{8}=\frac{224}{8}+\frac{7}{8}=28\frac{7}{8}\ cm^{3}

7 0
3 years ago
There are 384 nails in a 16-ounce jar. How many nails are there per ounce in the jar?
ASHA 777 [7]

The answer is 24... 


3 0
3 years ago
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Can someone solve this
Harrizon [31]

Answer:<em>IDK</em>

Step-by-step explanation:i don' t know

5 0
3 years ago
The space shuttle releases a space telescope into orbit
sergey [27]

Answer: 68 m/s^{2}

Step-by-step explanation:

The acceleration a of the satellite can be calculated by the following equation:

V_{f}=V_{o}+at

Where:

V_{f}=1700 m/s is the final speed of the satellite

V_{o}=0 is the initial speed of the satellite (it was "stationary" before the release)

t=25 s is the time

Isolating a:

a=\frac{V_{f}}{t}

a=\frac{1700 m/s}{25 s}

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4 0
3 years ago
A square has a side that measures 5.5 units. What is the area of a circle with a circumference that equals the perimeter of the
Alexeev081 [22]

Answer:

Answer choice A) About 38.47 square units

Step-by-step explanation:

Since all four sides of a square have the same length, the perimeter of a square is just 4 times one of the side lengths. The perimeter of the square and therefore the circumference of the circle is 5.5*4=22. The circumference of a circle is 2 times the radius multiplied by pi. The radius of this circle is therefore:

\dfrac{22}{2\pi}\approx 3.503

Since the area of a circle is \pi r^2, the area of this circle is:

\pi \cdot 3.503^2= 3.14\cdot 12.271\approx 38.47

Hope this helps!

4 0
3 years ago
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