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Basile [38]
3 years ago
9

HOW DO U COMBINE LIKE TERMS in math?? DO NOT LOOK IT UP :) THX

Mathematics
1 answer:
gayaneshka [121]3 years ago
6 0

Answer:

See below

Step-by-step explanation:

"Like terms" are terms with the same variable or exponents.

You can add or subtract these just like you would with regular numbers.

Examples:

2x + 4x = 6x

5xy + 7xy = 12xy

6x^{2} + 5x^{2} = 11x^{2}

Let me know if you need more examples or have any questions :)

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Prove the following statement. Assume that all sets are subsets of a universal set U.
nadezda [96]

Answer:

O U ⊆ A ∪ B                     True

O U ⊆ A ∩ B                    False

O A ∪ B ⊆ U                     True  

O B ⊆ U                            True

O A ⊆ U                            True

O A ∩ B ⊆ U                     True      

Step-by-step explanation:

To prove the first part

\text{If} \,\,\,\,\,\, A^{c} \subseteq B   \,\,\,\,\,\text{then} \,\,\,\,\, A \cup B = U

Remember that any set is a subset of the universal set. Therefore it is true that

A \cup B \subseteq U

Now, given any  x \in U   it is true that

x \in B  \,\,\,\, \text{or} \,\,\,\, x \notin B

Now according to the information given initially

\text{If} \,\,\,\,\, x \notin B  \,\,\,\,\, \text{then} \,\,\,\,\, x \notin A^{c}

And then you know that    

\text{If} \,\,\,\,\, x \notin A^{c} \,\,\,\,\,\text{then} \,\,\,\,\,\,\, x \in A

Therefore    U \subseteq A \cup B  and using double inclusion

U = A \cup B.

Now using the information just exposed

O U ⊆ A ∪ B                     True

O U ⊆ A ∩ B                    False

O A ∪ B ⊆ U                     True  

O B ⊆ U                            True

O A ⊆ U                            True

O A ∩ B ⊆ U                     True      

4 0
3 years ago
Find f(x) of |2x-2| if x is -1.​
Pavlova-9 [17]

Answer:

4

Step-by-step explanation:

x = -1

|2x-2| = |2(-1)-2| = |-2-2| = |-4| = 4

4 0
3 years ago
Read 2 more answers
HELP
dybincka [34]

Answer:

y=2×+1 im a bit rusty hope this helps in some way

8 0
3 years ago
What measurement is equivalent to 6 kilograms?
Anna007 [38]

Answer:

  6000 g

Step-by-step explanation:

In the metric system, 6 kg = 6000 g. (The prefix kilo- means 1000.)

__

In other units of measurement, 6 kg ≈ 13.2277357311 pounds. This is not an exact conversion.

4 0
4 years ago
Which integral gives the area of the region in the first quadrant bounded by the graphs of y2 = x − 1, x = 0, y = 0, and y = 2?
Zarrin [17]

Interesting that only integrals along the x-axis are suggested when integrating along the y-axis would be much simpler... Anyway, you have to split the interval of integration into two. The "height" of the region is not uniform over the entire interval.

When y=0, we have 0^2=x-1\implies x=1. When y=2, we have 2^2=x-1\implies x=5. Then the area we want is given by

\displaystyle\int_0^12\,\mathrm dx+\int_1^52-\sqrt{x-1}\,\mathrm dx

which seems to agree with the last option.

5 0
3 years ago
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