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Sergio039 [100]
3 years ago
5

Find the intersection of H and G find the union of H and G

Mathematics
1 answer:
ra1l [238]3 years ago
5 0

H∩G={1,9} INTERSECTION OF H AND G

H∪G={1,2,3,5,6,7,9,10,11,28} UNION OF H AND G

<u>Step-by-step explanation:</u>

Step-1:  

Let H={1,2,5,7,9,10} and G={1,3,6,9,11,28} are individual set

Intersection of H and G (H∩G) is {1,9} Which means the COMMON ELEMENTS in both the set.

Step-2:

Now the Union in both the set (H AND G) (H∪G) is {1,2,3,5,6,7,9,10,11,28}.

Which means ALL THE ELEMENTS in both set.

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Which is an equation of the line through the origin and (-8,-5)?
MakcuM [25]

y =  \frac{5x}{8}

OPTION C is the correct answer.

5 0
3 years ago
What is the slope of a line with points (5.5,2.2)(11,4.4)?
MAXImum [283]

Answer:

Slope=2.2/5.5 or 0.4

Step-by-step explanation:

slope = (y2-y1)/(x2-x1)

Hence:

slope=(4.4-2.2)/(11-5.5)

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3 years ago
4t2–40t+84 factorise quadratics
Evgen [1.6K]

Answer:

4( t - 7) ( t - 3 )

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4(t² - 10t + 21)

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6 0
3 years ago
Read 2 more answers
Jim was thinking of a number. Jim adds 20 to it, then doubles it and gets an answer of 99.2. What was the original number?
azamat

Alright, lets get started.

Jim was thinking of a number.

Suppose the number Jim was thinking, is x.

Jim adds 20 to it means number will be = x+20

And Jim doubles it, means 2*(x+20)

Jim gets 99.2 and as per us, he gets 2*(x+20)

So, making them equal

2(x+20)=99.2

2x+40=99.2

Subtracting 40 in both sides

2x+40-40=99.2-40

2x=59.2

x=29.6

It means the original number is 29.6.   :   Answer

Hope it will help :)



6 0
3 years ago
One end of a ramp is raised to the back of a truck 5 feet above the ground. 1 point
sveta [45]

Answer:

38.7°

Step-by-step explanation:

You are basically looking at a triangle with a 90° angle (check picture).

Since we are looking for the ramp's angle and are given the length of the opposite and the hypothenuse, we have to solve the following equation:

sin (\alpha) = opposite / hypothenuse= 5 ft/8ft

which is equivalent to

\alpha = sin^{-1}(5/8)\approx 38.7\deg

6 0
3 years ago
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