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Reil [10]
3 years ago
11

(35 pts)Evaluate the reasoning provided by both students A and B and correct the errors Make sure to provide proper reasoning. O

nly answer if you know your answer is correct please.​

Mathematics
1 answer:
Oksanka [162]3 years ago
6 0

Answer:

see the explanation

Step-by-step explanation:

we know that

A <u>Rational Number</u> is a number that can be made by dividing two integers

we have

\frac{\sqrt{2}}{8}

\sqrt{2} ----> is not a integer

so

The given number cannot be rewritten as the quotient of two integers

therefore

The given number is irrational

Student A is incorrect because is a irrational number and not all fractions are rational

Student B reasoning is incorrect, because there are fractions that have as numerator an irrational number and can be rational numbers

<em>example</em>

\frac{\sqrt{2}}{3\sqrt{2}}=\frac{1}{3} ----> is a rational number and the numerator is a irrational number

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The product of some negative number and 10 less than three times that number is 8 . find the num
Oksanka [162]
-x(3x-10)=8
-3x^2+10x=8 (DISTRIBUTE)
-3x^2+10x-8=0 (BALANCE TO ZERO)
(-3x+4)(x-2)=0  (FACTOR)
(-x+4/3)(x-2)=0 (SIMPLIFY)
{x=2 OR x= 4/3}
7 0
3 years ago
The formula for the volume sphere is V=4/3pie r^3 what is the formula solved for r?
oksian1 [2.3K]

Answer:

r = \sqrt[3]{\frac{3V}{4 \pi}}

Step-by-step explanation:

From the formula of volume of a sphere we have to isolate "r" on one side of the equation i.e. we have to make "r" the subject of the equation.

V=\frac{4}{3} \pi r^{3}\\\\ \text{Multiplying both sides by 3/4 we get}\\\\\frac{3V}{4} = \pi r^{3}\\\\ \text{Dividing both sides by } \pi \\\\ \frac{3V}{4 \pi} = r^{3}\\\\\text{Takeing cube root of both sides}\\\\\sqrt[3]{\frac{3V}{4 \pi}} = r

Therefore:

r = \sqrt[3]{\frac{3V}{4 \pi}}

3 0
3 years ago
Read 2 more answers
¿Cuál es el peso total en kilos de los dulces?<br>A<br>2<br>3<br>B<br>oln​
Doss [256]

pesan 3kilos.

3/1=0.3kilos

4 0
3 years ago
A set of quiz scores is shown in the histogram below. The mean of the data set is 20.2, and the (population) standard deviation
Neko [114]

Answer:

13

Step-by-step explanation:

As the mean is 20.2 and the standard deviation is 2.4

The range within the first standard deviation is

(17.8,22.6)

This means that we can safely use the range of (18,22) as we cannot confirm whether the other values fall within the range.

Within this range there are

2+3+4+3+1=13

5 0
3 years ago
The equation x + y = z relates the whole numbers x, y, and z. How does z compare to x?
creativ13 [48]

Answer:

C. x is y less than z

Step-by-step explanation:

x+y=z

by using transposition

x = z-y

whatever x is, it is equal to the value of y taken from z

8 0
2 years ago
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