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hram777 [196]
3 years ago
11

Prove that using: X ∩ (Y ∪ Z ) =(X∩Y) ∪ (Y ∩ Z )

Mathematics
1 answer:
sertanlavr [38]3 years ago
5 0

There should be a typo in the question: the correct formula would be

X\cap(Y\cup Z)=(X\cap Y)\cup (X\cap Z)

Let's compute X\cap (Y\cup Z) first. We have

(Y\cup Z)=\{1, 4, 5, 6, 7, 8, 9\}

If we intersect this set with X, we have

X\cap (Y\cup Z) = \{5, 8, 9\}

So, that would be the left hand side. For the right hand side, we have

X\cap Y = \{8\},\quad X\cap Z = \{5,9\}

And their union is again \{5,8,9\}

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Help - algebra 1!!!!!!!!!!!
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Answer:

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round up .0000742 to .000074

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3 years ago
How do I find slope intercept ​
Nastasia [14]

Answer:

This can be done by calculating the slope between two known points of the line using the slope formula.

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3 years ago
In a right triangle, a and b are the lengths of the legs and c is the length of the hypotenuse. if a=7 feet and b=7 feet, what i
V125BC [204]

The length of hypotenuse when the value of legs of a right angled triangle are 7 and 7 feet is 9.9 feet.

Given that a and b are legs and c is the hypotenuse. length of legs of a right angled triangle  are 7 feet and 7 feet.

We have to find the value of c in the right angled triangle.

In this we have to apply pythagoras theorem because it says tat the square of hypotenuse is equal to the sum of squares of base and perpendicular of that right angled triangle.

H^{2} =P^{2} +B^{2}

H=c

P=7 feet

B=7 feet.

Put the values in the above rule:

c^{2} =7^{2} +7^{2}

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c^{2}=98

c=9.899

After rounding off to nearest tenth we will get c=9.9.

Hence the value of c is 9.9 which is the length of hypotenuse.

Learn more about pythagoras theorem at brainly.com/question/343682

#SPJ4

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The Answer is $1,470.
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3 years ago
Choose the correct simplification of the expression (−2x + 10y)(4x − 6y). (1 point)
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(-2x+10Y)(4X-6Y) can be simplified as -8x+-60Y because you have to combine like terms such as -2x and 4x.
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3 years ago
Read 2 more answers
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