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3 years ago

Simplify the ratio 60 cents: 200 cents

Mathematics

1 answer:

Olin [163]3 years ago

4 0

60:200
6:20 divide by 10
3:10 divide by 2
Easy

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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

5 0

3 years ago

F(x) = 2x^2<br> Find f(-6)

katrin2010 [14]

Answer:

f(-6) = 72

Step-by-step explanation:

Input -6 for x :

2(-6)²

Complete with P.E.M.D.A.S :

2(36)

then :

so therefore :

f(-6) = 72

f of x equals 72

7 0

3 years ago

Which relations are functions?<br><br> Select Function or Not a function for each graph.

MatroZZZ [7]

Relations are not just functions but they are also non functions

4 0

3 years ago

Read 2 more answers

What is 31.75 to the nearest tenth

jekas [21]

the answer to that question is 31.80

7 0

3 years ago

Read 2 more answers

What is -v+5+6v=1+5v

Natali [406]

Answer:

no solution

Step-by-step explanation:

Given

- v + 5 + 6v = 1 + 5v ← combine like terms on left side

5v + 5 = 1 + 5v ( subtract 5 from both sides )

5v = - 4 + 5v ( subtract 5v from both sides )

0 = - 4 ← not possible

Hence the equation has no solution

5 0

3 years ago