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Sedaia [141]
3 years ago
11

The mass of a carbon atom is 1.994 × 10-23 grams. The mass of a hydrogen atom is 1.67 × 10-24 grams. What is the difference of t

heir masses?
0.324 × 10-24 grams
1.827 × 10-23 grams
1.827 × 10-24 grams
0.324 × 10-23 grams
Mathematics
1 answer:
Ilya [14]3 years ago
8 0
 1.994 x 10^-23
-0.167 x 10^-23
 1.827 x 10^-23
Correct answer is the second one.

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The kwon family has a rainwater catchment system they use to water their garden. the storage tank is 72 inches deep. three hours
atroni [7]

The tank is filling at the rate of (58-36) in/(5-3 h) = 22/2 = 11 in/h.

72-58 = 14 inches more to fill

<span>
The remaining 14 inches will be filled in
14 /11  = 1.27 , round to 1.3 hours</span>

 so total time would be 5 +1.3 = 6.3 hours


4 0
3 years ago
Solve each one variable equation.
uranmaximum [27]

Answer:

See below in bold.

Step-by-step explanation:

a.  |x| = 6

x = 6, -6.

b.  |x − 5| = 4

x - 5 = 4

x = 9.

x - 5 = -4

x = 1.

c. 2|x + 3| = −10

No solution because |x + 3| is an absolute value so is always positive.

8 0
3 years ago
According to the rational root theorem, what are all the potential rational roots of f(x)= 5x^3-7x+11
Tems11 [23]

The rational root theorem states that the rational roots of a polynomial can only be in the form p/q, where p divides the constant term, and q divides the leading term.

In your case, both the leading term 5 and the constant term 11 are primes, so their only divisors are 1 and themselves.

So, the only feasible solutions are

\pm\dfrac{11}{5},\quad\pm 11,\quad \pm\dfrac{1}{5}, \pm 1

For the record, in this case, none of the feasible solutions are actually a root of the polynomial.

8 0
3 years ago
Larry and his friend split the dinner bill evenly.
neonofarm [45]

Answer:

42.68

Step-by-step explanation:

21.34 * 2= 42.68

8 0
3 years ago
The basic wage earned by a truck driver for a a 40 hour week is 560.00$ for overtime work the driver is paid one and a half hour
Lubov Fominskaja [6]

Answer:

$7

Step-by-step explanation:

overtime = 1/2 x daily hourly rate

daily hourly rate = amount earned in a week / total hours worked

560 /40 = 14

overtime = 14/2 = 7

6 0
2 years ago
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