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SIZIF [17.4K]
3 years ago
11

Solve for x. 3 (2x + 7) = 15 (x - 4)

Mathematics
1 answer:
hjlf3 years ago
5 0
Answer = 9

Explanation :

I hope this helps !!!!

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The sum of three consecutive odd integers is 18 less than five times the middle number. Find the three integers.
Vesnalui [34]
Let us assume the first odd integer to be = x
Then
The consecutive middle odd integer = x + 2
The third consecutive odd integer = x + 4
So we can now write the equation as
x + x + 2 + x + 4 = 5(x + 2) - 18
3x + 6 = 5x + 10 - 18
3x + 6 = 5x - 8
3x - 5x = - 8 - 6
- 2x = - 14
2x = 14
x = 14/2
   = 7
So the first odd integer is 7
The second consecutive odd integer = (x + 2)
                                                            = (7 + 2)
                                                            = 9
The third consecutive odd integer = (x + 4)
                                                       = 7 + 4)
                                                        = 11
So the three consecutive odd integers are 7, 9, 11.
6 0
3 years ago
Josh will toss a coin four times. what is the probability the coin will land on heads at least 3 times in a row?
UNO [17]

12.5%


Starts at 50%

then goes to 25%

then goes to 12.5%

It always divided by 2

8 0
3 years ago
PLEASE PLEASE HELP!! NUMBER FIVE!! SHOW HOW IF ABLE!1
finlep [7]

Answer:

yk theres an app for math problems like that its called photo math

Step-by-step explanation:

5 0
3 years ago
A______ is a value, usually in the form of a letter or symbol, that can change or that represents an unknown quantity.
julia-pushkina [17]

Answer:

Variable

Step-by-step explanation:

8 0
3 years ago
Find the 57th term of the sequence 74n-29, where n represents the position of a term in sequence.
zhannawk [14.2K]

Answer:

4189

Step-by-step explanation:

Given sequence is:

a_n=74n-29

Plugging n = 57 in the given sequence, we find:

a_{57}=74(57)-29

a_{57}=4218-29

\huge \red{a_{57}= \boxed{4189}}

5 0
3 years ago
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