3 years ago

Write the ratio as a fraction in simplest form:

Mathematics

1 answer:

Xelga [282]3 years ago

3 0

Divide by the greatest common factor 9
= 5/7

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What's times what equals 30

mr Goodwill [35]

1 x30
2 x 15
3 x 10
5 x 6

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3 years ago

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, list the first five terms of each sequence, and identify them as arithmetic or geometric.

sveta [45]

Answer: -2, 2, 6, 10, 14

It is an Arithmetic sequence.

Step-by-step explanation:

Given Recursive formula : $A(n + 1) = A(n) + 4$ , for n ≥ 1 and A(1) = -2.

$A(2)=A(1 + 1) = A(1) + 4=-2+4=2$

$A(3)=A(2 + 1) = A(2) + 4=2+4=6$

$A(4)=A(3 + 1) = A(3) + 4=6+4=10$

$A(5)=A(4 + 1) = A(4) + 4=10+4=14$

Hence, the five terms of given sequence= -2, 2, 6, 10, 14

Since, there is common difference of 4 in two consecutive terms.

Therefore, it is an Arithmetic sequence.

5 0

3 years ago

Which of the following is equal to (3x/5 -7) +7 ?

diamong [38]

3x/5.. because when the bracket opens then the -7 and +7 get cancelled..

3 0

3 years ago

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Right Answer to theese three questions please???

Scilla [17]

I hope this helps you

4 0

3 years ago

there are 21 marbles in a blue jar. the blue jars has 3 times as many marbles as a red jar. let m be the number of marbles in th

jarptica [38.1K]

Answer:

m=7

Step-by-step explanation:

1 blue jar = 21 marbles

1 blue jar = 3 red jars

Therefor

21 marbles= 3 red jars

(Now let m=1 red jar)

21= 3m

(Then sine we have 3m dived both sides by 3 to isolate the m)

21/3= 3m/3

7=m

5 0

3 years ago