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DIA [1.3K]
3 years ago
13

The answer to this problem

Mathematics
1 answer:
horrorfan [7]3 years ago
7 0
Work backwards with pythagoras' theorem:
c^2=a^2+b^2
Here, a and b both equal to x. Therefore, you can write this as 8^2=2x^2. So 64=2x^2. Sqrt on both sides to give you 8=2x, hence x=4. However I must warn you that this working out may have a flaw, as I found that x actually equals to 5.66
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Need help with this problem?
yuradex [85]

The total amount raised is the sum of the amounts raised by the car wash and the dinner. The car wash raised 7c - 18. The dinner raised 6s - 45. We now add the expressions and combine like terms.

7c - 18 + 6s - 45

We need to combine like terms. Like terms are terms that have the same variables and the same exponents on the variables. 7c and 6s are not like terms since c and s are different variables. They cannot be combined together. Plain numbers, like -18 and -45 are lime terms because their variable parts are the same; they both have no variables.

7c - 18 + 6s - 45 =

= 7c + 6s - 18 - 45

= 7c + 6s - 63

Answer:  C.  7c + 6s - 63

4 0
3 years ago
when the input to a function is -2, the out put is 4. Which statement about this function must be true
yawa3891 [41]
The answer I believe is B?
5 0
3 years ago
Can someone Help me in this problem?
Fed [463]
If you have to write the equation then it would be "5k + 6.7"
5 0
3 years ago
HELPPPPPPP!!!!! chose the one you would use pls
steposvetlana [31]
The answer is A! If 1/3 is gone, there’s 2/3 left. To find how much 2/3 is, you would multiply 80 by 2/3
8 0
2 years ago
PLEASE HELP!!!
maxonik [38]

people cant read that

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