9/10 divided by - 3/5 as a mixed number

Mathematics

2 answers:

Reil [10]3 years ago

6 0

Answer:

-1 1/2

Step-by-step explanation:

9/10 ÷ -3/5

copy dot flip

9/10 * -5/3

-45/ 30

Divide the top and bottom by 15

-3/2

This is an improper fraction

two goes into three one time with 1 left over

-1 1/2

ziro4ka [17]3 years ago

4 0

- 1 1/2Find the reciprocal of the divisor
Reciprocal of
3
5
:
5
3
Now, multiply it with the dividend
So,
9
10
÷
3
5
=
9
10
×
5
3
=
9 × 5
10 × 3
=
45
30
After reducing the fraction, the answer is
3
2
In mixed form: 1 1/2

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Freddie is at chess practice waiting on his opponent's next move. He notices that the 4-inch-long minute hand is rotating around

aksik [14]

Part 1. Imagine a clock without the hour hand, When clock strikes 3:35, the minute hand is at 7. When it strikes 3:55, the minute hand is in 11. Each gap between two adjacent digits in the clock measures 30°. This is because a revolution divided by 12 is 360/12 = 30. Then, the angle between the minute hands in the picture is equal to 4(30°) = 120°. Know that π radians is equal to 180°. Converting 120° to radians,

120°(π radians/180°) = (2/3)π or 2.09 radians

Part 2. For this part, we determine the arc length intercepted by the angle 120° because this is the total distance travelled by the tip of the minute hand.

S = rθ, where θ is the angle in radians and r is the radius of the circle represented by the minute hand.
S = (4)(2.09)
S = 8.36 inches

Hence, the tip of the minute hand travelled a total distance of 8.36 inches.