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Butoxors [25]
3 years ago
10

2. Solve: 7(5x-2) = 6(6x - 1).

Mathematics
1 answer:
slamgirl [31]3 years ago
3 0

Answer:

-8

Step-by-step explanation:

35x-14=36x-6

35x-36x=-6+14

-x=8

x=-8

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If the sum of $1! + 2! + 3! + \cdots + 49! + 50!$ is divided by $15$, what is the remainder?
kompoz [17]

Answer:

  3

Step-by-step explanation:

All factorials 5 and above are evenly divisible by 15, so have no remainder. Thus, you are interested in ...

  mod(1! +2! +3! +4!, 15) = mod(1 +2 +6 +24, 15)

  = mod(33, 15) = 3

The remainder is 3.

3 0
3 years ago
Plzzz help....I am timed...There will be a picture provided....You will get 30 points!!! MATHH
xxMikexx [17]

Answer:

It should be the last one, She made a sign error when multiplying.

3 0
2 years ago
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In the figure, side AB is given by the expression 5x+5x+3, and side BC is 3x+92x−4. The simplified expression for the area of re
miss Akunina [59]
Area = side AB * side BC  =  (5x + 5x + 3)(3x + 92x - 4)

= (10x + 3)(95x - 4) =  950x^2 - 40x + 285x - 12

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This cannot be negative  so restriction on x  is  950x^2 + 245x > 12
That is x > 0.0421
5 0
3 years ago
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The range of a data set is 18. if the smallest number in the set is 9, What is the largest number?
tankabanditka [31]
Range is the difference between the largest and the smallest variable. If the range is 18 and the smallest number is 9. Add 9 to 18.
9+18= 27. 27 is the largest number.
7 0
3 years ago
A salesperson at a jewelry store earns ​8% commission each week. Last​ week, Ali sold $450 worth of jewelry. How much did Ali ma
Lilit [14]

Answer:

she earned 36$ and the store earned 409.5

Step-by-step explana

8% of 450

91% of 450

7 0
3 years ago
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