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IgorC [24]
3 years ago
8

If A={1,2,3,4,5},B={4,5,6,7} and C={2,3,4}find (A-B)-C​

Mathematics
1 answer:
Oksana_A [137]3 years ago
4 0

Answer:

(A - B) - C = { 1 , 4 , 6 , 7 }

Step-by-step explanation:

A = { 1 , 2 , 3 , 4 , 5 }

B = { 4 , 5 , 6 , 7 }

A - B = { 1 , 2, 3 ,6 , 7 }

C = { 2 , 3 , 4 }

(A - B) - C = { 1 , 4 , 6 , 7 }

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100 POINTS. ASAP. PLS HELP!
IgorC [24]

Answer:

12.81%

Step-by-step explanation:

2600-5500=20500

20500/16=1281.25

1281.25/100= 12.8125

rounded 12.81%

7 0
3 years ago
Read 2 more answers
Use Heron's Formula to find the area of triangle ABC. Round your answer to the nearest whole number.
Scrat [10]

Step-by-step explanation:

use herons formula

√s(s-a)(s-b)(s-c)

where s is the semi perimeter

S=20

and a,b,c are sides of triangle

=√20(20-17)(20-9)(20-14)

=√20.3.11.6

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8 0
3 years ago
Tom and Jerry each has some money. if Tom spends $90/day and Jerry
Maru [420]

Answer:

$400

Step-by-step explanation:

Let T be Tom's initial money amount and J be Jerry's initial money amount.

T - \$90*n_1 = \$1100\\J - \$45*n_1 = 0\\\\T - \$45*n_2 = \$1700\\J - \$90*n_2 = 0\\

Solving this linear system:

T-2J =\$1100\\2T-J = \$3400\\3J=\$3,400-\$2,200\\J=\$400

Jerry initially had $400.

5 0
4 years ago
Tracy has 7/8 pounds of butter in her refrigirator. She uses 2/3 of it for cookie batter. How much of the butter did she use?
adelina 88 [10]

Answer:

16/24

Step-by-step explanation:

So you need to get a common denominator before you try to answer the whole question. Turn the denominator into 24. Since you would multiply 8 by 3, multiply the 7 by 3. That would make 21/24. Make the 3 a 24, multiplying it by 8 and doing the same to the 2 making 16/24.

5 0
3 years ago
The area in the trapezoid in square units 10 inches, 8 inches, 12 inches.
lutik1710 [3]

Answer: 100

Step-by-step explanation:

The formula for the area of a trapezoid is (B1+B2)/2*h

so substitute:

(8+12)/2*10

20/2*10

10*10

100

3 0
3 years ago
Read 2 more answers
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