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Naily [24]
3 years ago
6

the sum of the digits of a two-digit number is 9. when the digits are reversed, the new number is 9 more than the original numbe

r. find the original number. check your answer.
Mathematics
1 answer:
kupik [55]3 years ago
5 0

Answer:

The original number is 9...? You typed it in the question itself....

Step-by-step explanation:


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bill and his friends went to red robin. Their order consisted of 2 hamburgers to $5.49 each, a chicken sandwich for $6.25, an or
4vir4ik [10]
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7 0
3 years ago
What is b in terms of a and c?
aev [14]

Answer:

b=\sqrt{c^2-a^2}

Step-by-step explanation:

The given relation is

c=\sqrt{a^2+b^2}

To make b the subject, we square both sides of the equation to get;

c^2=(\sqrt{a^2+b^2})^2

c^2=a^2+b^2

Isolate b on one side of the equation;

c^2-a^2=b^2

Or

b^2=c^2-a^2

We take the positive square root of both sides to get;

b=\sqrt{c^2-a^2}

6 0
3 years ago
How many times greater is the value of 3 in 300 than the value of the 3 in 30
Vikki [24]
Well it sounds like you mean smaller, not greater. 3/300 = 1/100 while 3/30 = 1/10. So 3 out of 300 is 10 times SMALLER than 3 out of 30. 

3 0
3 years ago
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A number is decreased by seven. Then, the new number is multiplied by 3 to get an answer of -9.
podryga [215]

Answer:

regular 4 is correct

Step-by-step explanation:

4 0
3 years ago
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What is the second factor when 0.200 is written scientific notation​
Phoenix [80]

Answer:

2*10^-1

Step-by-step explanation:

U shud know y

5 0
3 years ago
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