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Softa [21]
2 years ago
14

The operation of addition is closed for the set of all integers. True or False?

Mathematics
1 answer:
shusha [124]2 years ago
4 0
This is a true statement! thank you!
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Whats the answer PLS
Alexxx [7]

Answer:

48+23(6)½

Step-by-step explanation:

A = l × w

A =[(8-(6)^½) × (9+4(6)^½)]

A =8(9+4(6)^½) + [-(6)^½(9+4(6)^½]

A =(72 + 32(6)^½ - 9(6)^½ - 24)

A =(72 - 24 + 32(6)^½ - 9(6)^½)

A =(48 + 23(6)^½)

3 0
3 years ago
Silvia wants to retire at 65 and live on 40,000 a year. How much does she need to save to ensure that her retiement funds last u
ExtremeBDS [4]

Answer:

A If this is maths!!!

Step-by-step explanation:

If we rely solely on mathematics then the answer must be A. The other options seem to be from economy so it has nothing with mathematics. Please make sure that this is math task then answer.

4 0
3 years ago
Evaluate
SCORPION-xisa [38]

Value of the expression will be 7

<u><em>Explanation</em></u>

Given value of the variables are : p= \frac{1}{2} and q=7

Given expression: 8p+3q-18

So, <u>plugging the values</u> of p and q into the above expression, we will get...

8p+3q-18\\ \\ = 8(\frac{1}{2})+3(7)-18\\ \\ =4 + 21-18\\ \\ =25-18\\ \\ =7

So, the value of the expression will be 7.

5 0
3 years ago
Read 2 more answers
a survey of students in a school showed 1/2 of the students exercise regularly, 2/5 of the students exercise occasionally and th
Sveta_85 [38]

Answer:

1/10

Step-by-step explanation:

add 2/5 and 1/2 then subtract from 1 whole to find the remainder

make it so they have the same denominator

2/5 = 4/10

1/2 = 5/10

4/10 + 5/10 = 9/10

1=10/10

10/10-9/10 = 1/10

so 1/10 of the students don't exercise at all

5 0
3 years ago
Find f(12) = 3/4 x + 2
AlekseyPX

Answer:

f(12) = 11

Step-by-step explanation:

To solve this question:

  1. Substitute x = 12 into the equation: f(12) = 3/4 (12) + 2
  2. Simplify: 3/4 × 12 = 36/4 which is 9 → f(12) = 9 + 2
  • f(12) = 11

Hope this helps!

5 0
2 years ago
Read 2 more answers
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