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Dennis_Churaev [7]
4 years ago
13

Maria and Ming start at the same point and drive in opposite directions. Maria drives 50 mph and Ming drives 30 mps. How far apa

rt will they be in 2 hours
Mathematics
1 answer:
natta225 [31]4 years ago
5 0
Assuming you mean 30 miles per hour, then the answer should be 160 miles apart.
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the average weight of a mature human brain is approximately 1400 grams what is the equivalent weight in kilograms in pounds
Harman [31]
1400 grams in kilograms = 1.4 
1400 grams in pounds = 3.086472
3 0
4 years ago
Find the domain for the expression <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B2%7D%7B%5Csqrt%7Bx%2B3%7D%7D%20%20%20" id="Tex
sashaice [31]

Two rules come into play here:

1) We cannot divide by zero. Thux, x cannot = -3.

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x + 3 must be > 0. Thus, x must be > -3

The domain of this expression is (-3, infinity).

3 0
3 years ago
The perimeter of a triangle is 137 cm. If the three sides of the triangle are (x + 7) cm, (2x – 5) cm, and (3x – 3) cm, what is
hjlf

Answer:30,41,66

Step-by-step explanation:

(X+7)+(2x-5)+(3x-3)=137

Solve for x

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2*23-5=41

3*23-3=66

8 0
3 years ago
Sarah is going on a trip. She drives for 2 hours and 20 minutes, rests for 25 minutes and drives for another 2 hours 40 minutes.
stiv31 [10]
Answer: 3 hours and 25 min
3 0
3 years ago
Read 2 more answers
Anything will help! Thank you.
sp2606 [1]

Step-by-step explanation:

(a) If g is the number of gallons left in the tank, and t is the time in hours since 8AM:

g = 8 gal − (1 gal / 24 mi) (60 mi / 1 hr) (t hr)

g = 8 − 2.5t

(b) If d is the distance traveled:

d = 60 mi/hr × t hr

d = 60t

(c) When George runs out of gas, g = 0.

0 = 8 − 2.5t

t = 3.2

The distance he travels is:

d = 60(3.2)

d = 192

George travels 192 miles.

3.2 hours after 8AM, the time is 11:12AM.

3 0
3 years ago
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