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harkovskaia [24]
3 years ago
9

Which of these is a solution to the equation 2(x – 5) = 9 – 3x + 6 + 8 + 3x + 7? A.x = 10

Mathematics
1 answer:
koban [17]3 years ago
4 0
First, multiply the 2 times (x-5) and you get 2x-10 on the left side.
Then on the right side, add up all the similar terms and you get 30 (the -3x and +3x cancel each other out.
2x-10=30
Then add 10 to both sides and you get 2x=40.
Then divide both sides by 2 and you get x=20.
Answer is B.
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in a small town named Irun, the population today is 5746. For the last 6 years, the population has grown by 12% every year. If t
mafiozo [28]

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Step-by-step explanation: If the population is 5746 people today and every year the population increases by 12%, this means that 690 more people come to Irun. (5746 x 0.12= 689.52 rounded to 690) Thus if you multiply 690 x 21 (years)= 14,490 people. 14,490 + 5746= 20,236 people in 21 years

6 0
2 years ago
If UV = x+8, VW = 6x-8, and UW=14, what is VW?
Agata [3.3K]

Answer:

VW=4\ units

Step-by-step explanation:

step 1

Find the value of x

In this problem i will assume that  U,V and W are collinear and V is between U and W

so

UW=UV+VW ----> by addition segment postulate

substitute the given values

14=(x+8)+(6x-8)

solve for x

14=7x

x=2

step 2

Find the value of VW

VW=(6x-8)

substitute the value of x

VW=(6(2)-8)=4\ units

3 0
3 years ago
Jada has d dimes she has more that 30 cents but less than a dollar can d be 10
gavmur [86]

Answer:

no

Step-by-step explanation:

30 cents < 10 cents/dime ×  d dimes <  1 dollar × 100 cents/dollar

   if d = 10

30 cents < 10 cents/dime ×  10 dime < 1 dollar × 100 cents/dollar

30 cents < 10 cents/dime ×  10 dime < 1 dollar × 100 cents/dollar

     notice how the units bolded all cancel out, just leaving cents

30 cents < 100 cents  is NOT < 100 cents

3 0
3 years ago
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