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pshichka [43]
3 years ago
13

Find the solution of 5b-13=22 if the replacement set is {5,6,7,8,9}.

Mathematics
1 answer:
geniusboy [140]3 years ago
8 0
The solution to 5b-13=22 is 7
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A number increased by fifteen is nineteen. A number increased by fifteen is nineteen.
elixir [45]

Answer:

the number is 4

Step-by-step explanation:

we can write this as

x + 15 = 19

now we transpose

x= 19-15

x= 4

5 0
3 years ago
538X46 answer this in estimate
masya89 [10]
24748 thts what I think
6 0
3 years ago
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If the difference of a number and four is doubled the result is 1/4 less than the number. find the number
sukhopar [10]
The formula is  (2)(n-4) = n-1/4

Mult both sides by 4: 

                         8n - 32 = 4n -1, or 4n = 31, or n=31/4.

If this is not what you expected, please ensure that you have copied down the original problem correctly.  What do you mean by "1/4 less?"

Let's try    (2)(n-4) = 1n-(1/4)n = (3/4)n.  Then,

2n-8 = (3/4)n, or (5/4)n = 8.  Mult. both sides by (4/5), we get:

n = (5/4)(8) = 10.  Is that what you were hoping for?

8 0
3 years ago
Write the first 4 terms in the sequence defined by the explicit rule f(n)=n^2 - 5 *n^2 means n squared
Deffense [45]
The question did not spesify the stating value for n.

Assuming, n = 0 is the starting value.

1st term is when n = 0:
f(0) = (0)^2 - 5 = 0 - 5 = -5

2nd term: f(1) = (1)^2 - 5 = 1 - 5 = -4

3rd term: f(2) = (2)^2 - 5 = 4 - 5 = -1

4th term: f(3) = (3)^2 - 5 = 9 - 5 = 4

Therefore, the first 4 terms are: -5, -4, -1, 4.
6 0
3 years ago
I need help with this
maksim [4K]

Answer:

60  and  50 per hour

Step-by-step explanation:

6 0
3 years ago
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