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levacccp [35]
3 years ago
9

Which of the following equations have no solutions?

Mathematics
2 answers:
rosijanka [135]3 years ago
6 0
Muumuu u u unununinjn u u u) ha u he h u u when) why she 123 uu
loris [4]3 years ago
3 0

Answer: B

Step-by-step explanation:

Equation A:

15x - 45 = 75x + 75

=> -120 = 60x

=> x = -2

Equation B:

15x - 45 = 15x + 75

=> 0 = 15

<em>No Solutions</em>

<em />

Equation C:

45x - 45 = -15x + 75

=> 60x = 120

=> x = 2

Equation D:

-45x - 45 = -75x + 75

=> 30x = 120

=> x = 4

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You build and sell toy cars for $36 each. So far, you have built 25 toy cars. How many more toy cars will you have to build and
chubhunter [2.5K]
If you have built 25 cars, and they are 36 dollars per, then multiply 25 and 36 for the amount of money.  This will result with 25*36=900.  Since we already have 900 dollars worth, we subtract that from the goal of 1620, leaving us with 1620-900=720.  Now, divide this by the price per car for the amount of cars needed to get to this goal. 720/36=20 cars

Hope this helps!
6 0
3 years ago
Read 2 more answers
Bartholemew will draw with replacement 160 tickets at random from a box with five tickets [0, 0, 0, 1, 2]. Estimate the chance t
cupoosta [38]

Answer:

0.0786

Step-by-step explanation:

It is given that Bartholemew had drawn the replacement of 160 tickets.

There are five tickets = [0, 0, 0, 1, 2]

Now we need to find the estimate of the ticket that has 1 on it and it turns up on the 32 draws exactly.

Since the probability of the drawing 1 out of 5 tickets is given by,   $\frac{1}{5} = 0.2$

So the binomial with the parameter of n = 160 and p = 0.2, we get

P (it turns up on exactly 32 draws) = P(X = 32)

Therefore,

$C(160, 32)\times (0.2)^{32}\times (0.8)^{160-32}$

= 0.0786

4 0
2 years ago
Need help! will mark brainliest
bixtya [17]

Step-by-step explanation:

run a 9.8 meter dash,bowled 5 strikes in sports,basketball game,snacks

4 0
2 years ago
The value, v, of your quarters (in cents) is a function of n, the number of quarters you have.
Snezhnost [94]
The independent variable is the one you change to get your dependent variable. in this case, the independent would be the number of quarters you have
3 0
2 years ago
A bottle contains 2 liters of water. The bottle leaks 80 milliliters of water every 3 minutes. Will the bottle be empty in an ho
Aleksandr-060686 [28]

Answer:

No

Step-by-step explanation:

2 liters = 2,000

80/3 = 26.6

the bottle leaks 26.6 milliliters in a min

26.6*60 = 1596

1596 / 1000 = 1.596 (to convert to liters)

the bottle will leak 1.596 an hour

hope this helps!

5 0
2 years ago
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