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riadik2000 [5.3K]
3 years ago
15

Can someone please help me with numbers 23 and 24 it is easy

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
8 0

ok so I am no expert (Actually i am it says it on my profile) but the answer is 69/5555*^ I hope that this helps you and if it was so easy then why can't ya do it buddy! lol jkjkjkjk

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On a trip, a motorist drove 150 miles in the morning and 50 miles in the afternoon. His average rate in the morning was twice hi
Lina20 [59]

Answer:

Morning's average rate = 50 mph, and Afternoon's average rate = 25 mph.

Step-by-step explanation:

Suppose he drove 150 miles for X hours, then his average rate in the morning was (150/X) mph.

Given that he spent 5 hours in driving.

And he drove 50 miles for (5-X) hours, then his average rate in the afternoon was 50/(5-X) mph.

Given that his average rate in the morning was twice his average rate in the afternoon.

(150/x) = 2 * 50/(5-x)

150/x = 100/(5-x)

Cross multiplying terms, we get:-

150*(5-x) = 100*x

750 - 150x = 100x

750 = 100x + 150x

750 = 250x

x = 750/250 = 3.

It means he spent 3 hours in the morning and 2 hours in the afternoon.

So morning's average rate = 150/3 = 50 mph.

and afternoon's average rate = 50/(5-3) = 25 mph.

8 0
3 years ago
What is the distance between p(-300, 200) and Q(500, 400)?
alina1380 [7]

Answer:

200 √17

Step-by-step explanation:

distance between two points (x,y) and (x',y')

D² = (x' - x)² + (y' - y)²

D² = (500 - (-300))² + (400 - 200)² = 640000 + 40000 = 680000

D = √680000 = √4 x 17 x 10000 = 200 √17

7 0
3 years ago
Whats the length of the line segment EF​
slamgirl [31]

Answer:

The length is 14 units

Step-by-step explanation:

Take the value at point F and subtract the value at point E

F = 19

E = 5

19 -5 =14

The length is 14 units

7 0
2 years ago
Find the radius and the diameter to the nearest hundredth when c = 6π yd. use 3.14 for π
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Radius is 3 And diameter 3×2
8 0
3 years ago
What is the rate in which the second quantity is one unit
Tasya [4]
When grades are expressed as a quantity of 1, such as two feet per second or 5 miles per hour, they are called unit rates.
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3 years ago
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