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Ket [755]
3 years ago
11

The Akashi-Kaikyo bridge in Japan is about 1 4/9 as long as the Golden Gate Bridge in San Francisco. The Golden Gate Bridge is a

bout 9,000 feet long. About
Mathematics
1 answer:
Kay [80]3 years ago
7 0
About 10,000 feet long.
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Find the infinite sum of 10,5,2.5,1.25...
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Notice this is a geometric progression since each number multiplied by some factor equals the next number in the sequence, in this case,

10 \times r = 5 \Rightarrow r=0.5

Then by applying the formula for sum to infinity of a geometric progression,
S_\infty = \frac{a}{1-r} = \frac{10}{1-0.5} = 20
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3 years ago
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Justify whether the solution makes sense.
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They are identical triangles.

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Angles in a triangle add up to 180 degrees.

The triangle with 39 and 90 has a missing angle of 51 degrees, and the triangle with 51 and 90 vice versa.

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A triangle has an area of 12 square millimeters. What could be the measures of the base and height of the triangle in millimeter
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Step-by-step explanation:

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James spent no more than $20 at the mall. Write an inequality to represent how much James spent.
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3 years ago
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Gisselle has 1/2 of a candy bar. She role off 1/2 of what she had. She then took the piece she broke off and split it into three
saul85 [17]

Answer:

\frac{1}{12}

Step-by-step explanation:

Given:

Gisselle has 1/2 of a candy bar.

She role off 1/2 of what she had and split it into three equal pieces.

Question asked:

What fraction of a candy bar was each piece?

Solution:

Gisselle has = \frac{1}{2} \ of \ a \ candy \ bar

She role off = \frac{1}{2} \ of \ what\ she \ had

                     =\frac{1}{2}  \ of\  \frac{1}{2}\\=\frac{1}{2} \times \frac{1}{2}\\\\=\frac{1}{4}

As she split it into three equal pieces, we will divided it by 3, we get,

\frac{1}{4} \div3\\\frac{1}{4}\times\frac{1}{3}

\frac{1}{12}

Therefore, fraction of a candy bar of each piece is \frac{1}{12}

4 0
3 years ago
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