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amid [387]
3 years ago
15

are given the sets A = (even numbers less than 10) and B = (multiples of 3 greater than 3) A:name the communities A and B B:desc

ribe the community A n B​
Mathematics
1 answer:
4vir4ik [10]3 years ago
5 0

Answer:

A n B = {6}

Step-by-step explanation:

Given he sets A = (even numbers less than 10) and B = (multiples of 3 greater than 3)

A = {2, 4, 6, 8}

B = {3, 6, 9, 12, 15...}

A n B includes the numbers are are common to both sets i.e number that we can find in both A and B.

From the set given, we can see that the only number that exists in both set is 6, hence;

A n B = {6}

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MS. Kitts works at a music store. Last week she sold 6 more than 3 times the number of CDs that she sold this week. Ms. Kitts so
puteri [66]

x - 3y = 6 and x + y = 110 represents the system of equations used to find x, the number of CDs she sold last week, and y, the number of CDs she sold this week

number of CDs Kitts sold last week "x" is 84 and number of CDs she sold this week "y" is 26

<h3><u>Solution:</u></h3>

Let "x" be the number of CDs Kitts sold last week

Let "y" be the number of CDs she sold this week

<em><u>Given that Last week she sold 6 more than 3 times the number of CDs that she sold this week</u></em>

Number of CDs Kitts sold last week = 6 + 3(number of CDs that she sold this week)

x = 6 + 3y ----- eqn 1

x - 3y = 6 ------- eqn 2

<em><u>Given that Ms. Kitts sold a total of 110 CDs over the 2 weeks</u></em>

Number of CDs Kitts sold last week + number of CDs she sold this week = 110

x + y = 110 ----- eqn 3

Thus eqn 2 and eqn 3 represents the system of equations used to find x, the number of CDs she sold last week, and y, the number of CDs she sold this week

<em><u>Let us solve the above equations to find values of "x" and "y"</u></em>

Substitute eqn 1 in eqn 3

6 + 3y + y = 110

6 + 4y = 110

4y = 104

<h3>y = 26</h3>

From eqn 3,

x + 26 = 110

x = 110 - 26 = 84

<h3>x = 84</h3>

Thus number of CDs Kitts sold last week = x = 84

Number of CDs she sold this week = y = 26

6 0
3 years ago
Which two angles do NOT represent adjacent angles?
aivan3 [116]
The answer is D. hope this helped :)
3 0
3 years ago
EXPERT HELP: DON'T GUESS AND EXPLAIN THE ANSWER
AysviL [449]

Answer:

D

Step-by-step explanation:

Well for one b is less than a just look at it.

7 0
3 years ago
Read 2 more answers
The area of max'ss room ,not incleding his closet is 235.675 square feet the area of his closet is 10.45 square feet what area o
enyata [817]

Given :

Area of room excluding closet is , a=235.675\ ft^2 .

Area of closet is , b=10.45\ ft^2 .

To Find :

Area of max's room including the closet .

Solution :

Let , area of max's room including the closet is A .

So , Total area = Area of room excluding closet + Area of closet .

A=a+b\\\\A=(235.675+10.45)\ ft^2\\\\A=246.125\ ft^2

Therefore , area of his room ,including the closet is 246.125 square feet .

Hence , this is the required solution .

5 0
3 years ago
NEED HELP ASAP
elena-14-01-66 [18.8K]
Ans A 

<span>look at the graph for x = 2.... </span>
<span>2^4 = 16 ..and the graph looks like it approx = 8 for x=2 </span>
<span>this suggests (1/2)x^4 </span>
<span>you can eliminate answers C and D straight off because the graph is never negative</span>
4 0
3 years ago
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