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VLD [36.1K]
3 years ago
6

I don’t understand how I get this answer

Mathematics
2 answers:
Firdavs [7]3 years ago
7 0
I believe it would be y= -1
mrs_skeptik [129]3 years ago
5 0
3 because 3+-3 is 0 then 0 +3 is 3
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Vincent has already finished 5 oil changes today, and can complete more at a rate of 1 oil change per hour. Warren just came on
IrinaVladis [17]

Answer:

Oil changes = 5

Vincent = 10 oil changes

Warren = 10 oil changes

Step-by-step explanation:

Vincent = 5 + h

Warren = 2h

Where,

h = number of oil changes

How long will that take?

Vincent = Warren

5 + h = 2h

5 = 2h - h

5 = h

h = 5

Number of oil changes = 5

How many oil changes will Vincent and Warren each have done?

Vincent = 5 + h

= 5 + 5

= 10 oil changes

Warren = 2h

= 2(5)

= 10 oil changes

8 0
3 years ago
The school you want to go to has an acceptance rate of 12%. That means that 12% of the students who apply to the school get in.
docker41 [41]
The answer is 200 students that applied last year
4 0
3 years ago
Read 2 more answers
Element X is a radioactive isotope such that every 51 years, its mass decreases by half. Given that the initial mass of a sample
pychu [463]

Answer: It will take 6 years for 7500 grams of X to reach 6900 grams.

Step-by-step explanation:

Expression for rate law for first order kinetics is given by:

t=\frac{2.303}{k}\log\frac{a}{a-x}

where,

k = rate constant  

t = age of sample

a = let initial amount of the reactant  

a - x = amount left after decay process  

a) for completion of half life:  

Half life is the amount of time taken by a radioactive material to decay to half of its original value.

51=\frac{0.69}{k}

k=\frac{0.69}{51}=0.0135years^{-1}

b) for  7500 g to reach to 6900 g

t=\frac{2.303}{0.0135}\log\frac{7500}{6900}

t=6years

It will take 6 years for 7500 grams of X to reach 6900 grams.

5 0
3 years ago
If you were to roll the dice one time what is the probability of it landing on an odd number?
yanalaym [24]

Answer:

1/2

Step-by-step explanation:

a dice has six sides and the highest number is 6

the dice should have the numbers

1,2,3,4,5,6

which 1,3,5 are odd numbers so it's a 1/2

3 0
3 years ago
A new car worth 24000 is depreciating in value by 3000 per year after how many years will the car be 12000
AveGali [126]

Answer:

4 years

Step-by-step explanation:

need to see how many times 3000 can go in 24000 and count how many years tell u get 12000

hopes I helped

7 0
3 years ago
Read 2 more answers
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