3 years ago

What is the square root of 36 over 49

Mathematics

1 answer:

Ghella [55]3 years ago

4 0

$\sqrt{\frac{36}{49}}= \frac{6}{7}$

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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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3 years ago

5 friends share 11 cookies. What fraction of a cookie will each of the 5 friends receive?

sukhopar [10]

Five goes into 11, two times. So each friend gets two cookies and 1/5 of the last one. So the answer is 2 and
1/5

3 0

3 years ago

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The variables X, Y, and Z represent polynomials where X = a, Y = 3a – 5, and Z = a^2 + 2. What is X^2Y – Z in simplest form?

klasskru [66]

$X=a \\
Y=3a-5 \\
Z=a^2+2 \\ \\
X^2Y-Z=a^2(3a-5)-(a^2+2)=3a^3-5a^2-a^2-2=3a^3-6a^2-2$

The answer is b.

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3 years ago

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1350mm convert to inches

Alona [7]

1350 millimeters is equivalent to approximately 53.15 inches

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Kenny bought a new car stereo that cost $220, but he had a coupon for a 14% discount. How much did Kenny pay for the car stereo.

jok3333 [9.3K]

Answer:

189,2$

Step-by-step explanation:

220*0,86=189,2

14% = 14/100 = 0,14

1-0,14 = 0,86

price* factor between 0 and 1, 0 -> item is free, 1 -> full price

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3 years ago

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