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lesya692 [45]
4 years ago
15

What is the answer to this math question... It says that it is Pi * r squared/ 2. Does it simplify to just Pi *r ...or does it n

ot simplify.

Mathematics
1 answer:
pickupchik [31]4 years ago
6 0
No it would be Pi *r *r because the r is to the power of 2




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Find the length of ST
Andru [333]

Answer:

ST = 12

Step-by-step explanation:

By AA Similarity, triangles ASR and EST are similar.

The ratio of the lengths of the sides of triangle ASR to those of EST is 6/8 or 3/4.

\dfrac{SR}{ST} = \dfrac{3}{4}

Also,

SR + ST = 21

By a rule of proportions, you get

\dfrac{SR + ST}{ST} = \dfrac{3 + 4}{4}

\dfrac{21}{ST} = \dfrac{7}{4}

7ST = 4 \times 21

7ST = 84

ST = 12

3 0
3 years ago
Solve: x^+4/x-1 = 5/x-1
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The first step for solving this equation is to determine the defined range.
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Remember that when the denominators of both fractions are the same,, you need to set the numerators equal. This will look like the following:
x^{4} = 5
Take the root of both sides of the equation and remember to use both positive and negative roots.
x +/- \sqrt[4]{5}
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x = \sqrt[4]{5}           , x ≠ 1
x = -\sqrt[4]{5} 
Check if the solution is in the defined range.
x = \sqrt[4]{5} 
x = -\sqrt[4]{5} 
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x = \sqrt[4]{5}          
x = -\sqrt[4]{5} 
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3 years ago
What is associative property for 5+(3+4)=
AysviL [449]

Answer:

associative property for Addition

The answer of this question is Addition

Please brainliest this answer

Hope it help

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Two fifths of the senior class earned a grade of B+ or higher on an advanced mathematics exam. If 42 seniors scored at least a B
g100num [7]

Answer:

Step-by-step explanation:

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5 0
3 years ago
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Sunny_sXe [5.5K]

Answer:

1/2

Step-by-step explanation:

(3/16)/(3/8)

(3/16)*8/3

1/2

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3 years ago
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