Answer:7
Step-by-step explanation:Cool
Answer:
(a) 320 cm²
(b) 75 cm³
Step-by-step explanation:
The scale factor from A to B is 8/4 = 2.
The scale factor of the areas is 2² = 4.
The scale factor of the volumes is 2³ = 8.
(a)
80 cm² * 4 = 320 cm²
(b)
600 cm / 8 = 75 cm³
Answer:
720 ways
Step-by-step explanation:
The first person in line could be any one of the 6 people
6
Then there are 5 people left
The second person in line could be any one of the 5 people
5
Then there are 4 people left
The third person in line could be any one of the 4 people
4
Then there are 3 people left
The fourth person in line could be any one of the 3 people
3
Then there are 2 people left
The fifth person in line could be any one of the2 people
2
Then there are 1 people left
The last person in line could be any one of the 1 people
1
6*5*4*3*2*1 =720 ways
The equations which are true for the values of x given are; x²-4 =0 and 4x²= 16.
<h3>Which equations are true for the values of x?</h3>
The values of x given according to the task content are; x = –2 and x = 2.
By considering equation; x²-4 =0
x² = 4
x = ±2
Also, by considering 4x²= 16;
x² = 16/4 = 4
x = ±4.
Read more on square root;
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Answer:
4 hours
Step-by-step explanation:
220/ 55 = 4