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Leno4ka [110]
3 years ago
11

Write the solution of one-half of two-thirds of three out of four-fifths of 200​

Mathematics
2 answers:
Oksana_A [137]3 years ago
8 0

Step-by-step explanation:

200×1/2=100

100×2/3=66.6666666667

so, the question is wrong

Troyanec [42]3 years ago
3 0

Answer:

53 1/3

Step-by-step explanation:

200×4/5=160

160×2/3=106 2/3

106 2/3×1/2=53 1/3

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5.09

Step-by-step explanation:

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3 years ago
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The hypotenuse of a right triangle measures 15 cm and one of its legs
Kay [80]

Answer:

[see below]

Step-by-step explanation:

Use the Pythagorean Theorem.

a^2+b^2=c^2

'c' will be the hypotenuse.

The hypotenuse is 15 cm.  One of the legs is 5 cm.

5^2+b^2=15^2\\\\25 + b^2 = 225\\\\25-25+b^2=225-25\\\\b^2=200\\\\\sqrt{b^2}=\sqrt{200}\\\\  b=14.1421356237..., -14.1421356237

14.1421356237 ≈ 14.1

The other leg should be about 14.1 cm.

Hope this helps.

4 0
3 years ago
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All the fourth-graders in a certain elementary school took a standardized test. A total of 81% of the students were found to be
Dvinal [7]

Answer:

The probability that a student is proficient in mathematics, but not in reading is, 0.10.

The probability that a student is proficient in reading, but not in mathematics is, 0.17

Step-by-step explanation:

Let's define the events:

L: The student is proficient in reading

M: The student is proficient in math

The probabilities are given by:

P (L) = 0.81\\P (M) = 0.74\\P (L\bigcap M) = 0.64

P (M\bigcap L^c) = P (M) - P (M\bigcap L) = 0.74 - 0.64 = 0.1\\P (M^c\bigcap L) = P (L) - P (M\bigcap L) = 0.81 - 0.64 = 0.17

The probability that a student is proficient in mathematics, but not in reading is, 0.10.

The probability that a student is proficient in reading, but not in mathematics is, 0.17

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4 years ago
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Mazyrski [523]

Answer:

60%

Step-by-step explanation:

If there's 9 people wearing pink out of 15 then your answers 60%

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3 years ago
A collection of quarters and nickels is worth $3.70. There are 22 coins in all. How many of each coin are there?
ladessa [460]
9 numbers of nickels

13 numbers of quarters
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