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aivan3 [116]
3 years ago
11

9 Determine whether each pair of the following sets is an equal set or not.

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
5 0

Answer:

Therefore the sets are Equal,

M ≡ N

Step-by-step explanation:

Given:

M= {prime factors of 8};

N= {prime factors of 32}

To Check:

Whether M is equal to N

Solution:

M= {prime factors of 8};

prime factors of 8 = 2×2×2

N= {prime factors of 32}

prime factors of 32 = 2×2×2×2×2

So Prime Factor = 2

Therefore

M= { 2 };

N= { 2 }

Therefore the sets are Equal,

M ≡ N

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13
nata0808 [166]

Answer:

m = 5

a = -3

b = -15

Step-by-step explanation:

(m - 2) = 3 for x^2

(2a + 3) = - (m - 2) = (2 - m) for x^1

(b + 6) = (2a - 3) for x^0

4 0
3 years ago
One country has 12 stone bridges and 20 steel bridges. What is the ratio of ? A. Stone bridges to steel bridges. B. Steel bridge
Gemiola [76]

Answer:

A. Stone bridges to steel bridges=

12 : 20

6 : 10

3 : 5

answer = 3 : 5

B. Steel bridges to Stone bridges

20 : 12

10 : 6

5 : 3

answer = 5 : 3

Total bridges = 20+12=32

C. Total bridges to steel bridges

32 : 20

16 : 10

8 : 5

answer = 8 : 5

3 0
3 years ago
What is a good communication​
Lisa [10]

Answer:

text or video calls

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Volume
CaHeK987 [17]

Answer:

3.75 feet.      

Step-by-step explanation:

Given:

The volume of a right octagonal prism is 30 cubic feet.

The area of the octagonal base is 8 square feet.

<u>Question asked:</u>

What is the height of the prism ?

<u>Solution:</u>

<em>As we know:</em>

<em />Volume\ of \  octagonal-prism=base\ area\times height

30=8\times height\\ \\ By\ dividing\ both\ sides \ by\ 8\\ \\ \frac{30}{8} =\frac{8}{8} \times height\\ \\ 3.75=height

Therefore, height of the prism is 3.75 feet.                                      

7 0
3 years ago
Read 2 more answers
The sum of a number and twice another number is 17. The sum of twice the first number and the second number is 4. What are the t
zhannawk [14.2K]

Step-by-step explanation:

Given that,

a + 2b = 17

Also,

2a + b = 4

By adding the above expressions we get,

a + 2b + 2a + b = 17 + 4

3a + 3b = 21.

3 (a + b) = 21

a + b = 21/3

a + b = 7 Let us take 'b' = 10

a + 10 = 7

a = 7 - 10

a = -3

Now let's check by verifying by putting a = -3 and b = 10 in the previous expressions

a + 2b = 17

-3 + (2 × 10) = 17

-3 + 20 = 17

17 = 17

2a + b = 4

(2 × -3) + 10 = 4

-6 + 10 = 4

4 = 4

Therefore, a = -3 and b = 10 [(-3,10)] is the solution.

8 0
3 years ago
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