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Allushta [10]
3 years ago
10

Which two numbers have a least common multiple of 60? A. 12 and 15 B. 6 and 10 C. 6 and 15 D. 6 and 12

Mathematics
1 answer:
Akimi4 [234]3 years ago
5 0
The least common multiple is the littlest multiple that two or more numbers have in common (e.g 12 for 2, 3, 4 and 6).

A. 12, 24, 36, 48, 60; 15, 30, 45, 60

B. 6, 12, 18, 24, 30, 36, 42, 48, 54, 60; 10, 20, 30, 40, 50, 60

C. 6, 12, 18, 24, 30, 36, 42, 48, 54, 60; 15, 30, 45, 60

D. 6, 12, 18, 24, 30, 36, 42, 48, 54, 60; 12, 24, 36, 45, 60

The answer is A.
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What is the approximate volume of one refraction cup? What’s its formula ?
Marizza181 [45]

Answer:

Volume = 0.1696 L

The formula is Area of base of refraction cup × Depth of the refraction cup

Step-by-step explanation:

The dimensions of a refraction cup are;

Diameter = 120 mm

Depth = 30 mm

Therefore, volume of the refraction cup = Area of base × Depth

Volume of the refraction cup = (π×120²/4)/2 × 30 = 169646.003 mm³

1 L = 1000000 mm³

Therefore, 169646.003 mm³ = 169646.003/1000000 m³ = 0.1696 L

The formula is Area of base of refraction cup × Depth of the refraction cup.

6 0
3 years ago
Round 9.42 to one decimal place
klasskru [66]
The answer would be 9
6 0
3 years ago
Read 2 more answers
Round 123,949 to the underlined point. 4 is highlighted
ehidna [41]

\\ \sf\longmapsto 123,949

  • 9 is greater than 5

\\ \sf\longmapsto 123,95

  • 5=5

\\ \sf\longmapsto 123,9

  • 9 is greater than 5

\\ \sf\longmapsto 124

  • 4 is less than 5

\\ \sf\longmapsto 12

  • 2 is less than 5

\\ \sf\longmapsto 1

Note

Write the number until underlined point.I did it till end

5 0
3 years ago
Read 2 more answers
72
Zigmanuir [339]

Answer:

Ai. Arithmetic sequence

Aii. Tn = 5 + 7n

Bi. Geometric

Bii. Tn = 8 × 2ⁿ¯¹

Step-by-step explanation:

To successfully answer the questions given above, note the following:

1. If the sequence is Arithmetic, then:

2nd – 1st = 3rd – 2nd = common difference (d)

2. If the sequence is geometric, then,

2nd / 1st = 3rd / 2nd = common ratio (r)

3. A sequence can not be arithmetic geometric at the same time.

4. The nth term of arithmetic sequence is:

Tn = a + (n – 1)d

5. The nth term of geometric sequence is:

Tn = arⁿ¯¹

A. Sequence => 12, 19, 26

i. Determination of the type of sequence.

We'll begin by calculating the common difference

1st term = 12

2nd term = 19

3rd term = 26

Common difference (d) = 2nd – 1st

d = 19 – 12 = 7

OR

d = 3rd – 2nd

d = 26 – 19 = 7

Since a common difference exist in the sequence, the sequence is arithmetic sequence.

ii. Determination of the nth term.

Common difference (d) = 7

1st term (a) = 12

nth term (Tn) =?

Tn = a + (n – 1)d

Tn = 12 + (n – 1)7

Tn = 12 + 7n – 7

Tn = 5 + 7n

B. Sequence => 8, 16, 32

Bi. Determination of the type of sequence.

Let us begin by calculating the common ratio.

1st term = 8

2nd term = 16

3rd term = 32

Common ratio (r) = 2nd / 1st

r = 16 / 8

r = 2

OR

r = 3rd / 2nd

r = 32 / 16

r = 2

Since a common ratio exist in the sequence, the sequence is geometric.

Bii. Determination of the nth term.

Common ratio(r) = 2

1st term (a) = 8

nth term =?

Tn = arⁿ¯¹

Tn = 8 × 2ⁿ¯¹

8 0
2 years ago
What is the diameter of a sphere that has a diameter of 14cm?
xenn [34]
D=2r
              <span> diameter= 14cm
so, radius= 14/2= 7cm 

</span>
8 0
3 years ago
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