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IRINA_888 [86]
3 years ago
5

. If n(A)=2 n(B)=3 n(AՈB) =24, what is the value of n(AUB)?​

Mathematics
1 answer:
____ [38]3 years ago
8 0

Step-by-step explanation:

The answer is is the picture..

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Factor -7x3 + 21x2 + 3x - 9 by grouping. What is the resulting expression?
irga5000 [103]

Answer:

(x-3)(-7x^2+3) is the resulting expression after grouping

Step-by-step explanation:

Given:

-7x^3+21x^2+3x-9

Now taking common -7x^2 from 1st 2 numbers and and 3 common from last we get

-7x^2(x-3)+3(x-3)

Now taking x-3 common from both numbers we get

(x-3)(-7x^2+3) which is the final equation after grouping

8 0
3 years ago
The museum of fine arts decides to expand its collection of European, Latin American and African art. After reviewing their curr
skad [1K]

Answer:

Step-by-step explanation:

Latin American Art: x

African American Art: x+18

European Art: x-15

x+x+18+x-15=78

3x+3=78

3x=75

x=25

Latin American Art: 25

African American Art: 43

European Art: 10

8 0
2 years ago
Read 2 more answers
(HELP PLS EASY PROBLEM ILL GIVE BRAINLY, I KNOW IT SEEMS LIKE ALOT BUT ITS EZ)
sveticcg [70]

Answer:

a)$4,238.50

b)$392

c)$3814.65

Step-by-step explanation:

a) 3920*0.08125=318.5

318.5+3920=4238.50

b)3920*0.1=392

c)3920-392=3528

3528*0.08125=286.65

3528+286.65=3814.65

6 0
2 years ago
Solve<br> y=-x2+2x+10<br> y=x+4
Marizza181 [45]
Y=10
explanation:
-4•2= -8
2•4=8
-8+8=0
y=10
4 0
3 years ago
Find the difference in the given lengths of the polygons . (7x + 2) units (6x - 5) units .
Tom [10]

Answer:

Difference in the lengths of the polygons is (x + 7) units.

Step-by-step explanation:

Lengths of the given polygon = (7x + 2) units and (6x - 5) units

Therefore, difference in the given lengths = (7x + 2) - (6x - 5)

                                                                      = (7x - 6x) + (2 + 5)

                                                                      = x + 7

Therefore, difference in the lengths of the polygons is (x + 7) units.

7 0
2 years ago
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