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2 years ago

Sean X,Y y Z subconjuntos de un conjunto universo U¿El siguiente enunciado es válido?

Mathematics

1 answer:

ikadub [295]2 years ago

8 0

The translation is Let X,Y and Z be subsets of a universe set U, Are the following statement valid?

<h3>What is the sentence about?</h3>

Others are:

Y-X=X UT
Tip: Define non-empty sets and apply the relationship that is requested to verify. Or True False

Note that X,Y and Z be subsets of a universe set U and as such, the statement of Y-X=X UT is false.

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Use the fact that 2 1/2 divide 1/8 =20 to find 2 1/2 divide 5/8

Tasya [4]

Answer:

Step-by-step explanation:

Given that $2\frac 1 2 \div \frac 1 8 =20$

$\Rightarrow \frac 5 2 \div \frac 1 8 =20$

$\Rightarrow \frac 5 2 \times 8 1 =20 \cdots(i)$

Now, $2\frac 1 2 \div \frac 5 8$ $= \frac 5 2 \div \frac 5 8$ $=\frac 5 2 \times \frac 8 5$

This can be written as

$\frac 5 2 \times \frac 8 5=\frac 5 2 \times \left( \frac 8 1 \times \frac 1 5\right)$ [as $\frac 8 5=\frac 8 1 \times \frac 1 5$ ]

$=\left(\frac 5 2 \times \frac 8 1 \right)\times \frac 1 5$

$=20 \times \frac 1 5$ [ by using equation (i)]

Hence, $2\frac 1 2 \div \frac 5 8=4$

7 0

3 years ago

Bill and Greg are walking in opposite directions with speeds of 45 and 75 feet per minute. When they started, the distance betwe

NNADVOKAT [17]

Bill moves at 45 feet per minute and Greg 75 per minute and starts with a constant of 20 feet from them.

Let X be the number of minutes

Bill*Minutes +Greg*Minutes +20 = total distnce between

45x + 75x +20 = d

Plug in 2.5 for both values of x

45(2.5) + 75(2.5) + 20 =d

Multiply values by 2.5

112.5 + 165 + 20 = d

add together

Distance = 297.5 feet apart

4 0

4 years ago

Read 2 more answers

£1700 is invested for 3 years at 4% per year SIMPLE interest. Work<br>out the total interest

Crank

Answer:

$1912.27

Step-by-step explanation:

Simple interest rate formula: A = P(1 + r)^t

Simply plug in the known variables

A = 1700(1 + 0.04)³

A = 1700(1.04)³

A = 1700(1.12486)

A = 1912.27

5 0

3 years ago

Evaluate the limit. lim x-positive infinity 8n^2 +5n +2/3+2n

Zolol [24]

Answer: 3

Step-by-step explanation:

So in summary, if the highest degree in the numerator and denominator equal, you can use the coefficients to determine the limit, if the highest degree in the numerator is larger than the highest degree of the denominator, the limit will be infinity.

5 0

3 years ago

Tell me step by step how to change a mixed fraction to an improper fraction using an example.PLS HELP I NEED it I give you 15 po

Serjik [45]

Step-by-step explanation:

say you have 1 1/4 what you would do is you would multiply 4*1 which is 4+ the top number of the fraction which is 4+1= 5 so now your fraction in is 5/4 .

8 0

3 years ago