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2 years ago

7

Fritz attended band practice for 5/6 hour. then he went home and practiced for 2/5 as long as band practice. how many minutes di

d he practice at home?

1 answer:

oee [108]2 years ago

5 0

20 minutes, because 5/6 x 2/5 is 1/3. 1/3 of an hour is 20 minutes!
Hope this helped.

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A rectangular board has an area of 648 square centimeters. The triangular part of the board has an area of 162 square centimeter

maksim [4K]

Answer:

25%.

Step-by-step explanation:

Let E be the event that the dart lands inside the triangle.

We have been given that a rectangular board has an area of 648 square centimeters. The triangular part of the board has an area of 162 square centimeters.

We know that probability of an event represents the chance that an event will happen.

$\text{Probability}=\frac{\text{Favorable no. of events}}{\text{Total number of possible outcomes}}$

$\text{Probability that dart lands inside the triangle}=\frac{\text{Area of triangle}}{\text{Area of rectangle}}$

$\text{Probability that dart lands inside the triangle}=\frac{162}{648}$

$\text{Probability that dart lands inside the triangle}=0.25$

Convert into percentage:

$0.25\times 100\%=25\%$

Therefore, the probability that dart lands inside the triangle is 25%.

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2 years ago

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Find the values of x work 10% of my grade

Ostrovityanka [42]

Answer:

x = 35

Step-by-step explanation:

1. Add all angles

$115+(x+36)+24+(2x+10)+2x$

= $5x+185$

2. Match 360 and fix

$5x+185=360$

$5x=360-185$

$5x=175$

$x=175/5$

$x=35$

Hope this helps

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2 years ago

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Please help me with part b of this question. THanks.

nevsk [136]

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Pls help I don’t understand this

Thepotemich [5.8K]

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The diagram below is NOT drawn to scale. Are lines j and k parallel? How can you tell?

Artemon [7]

Answer:

No. They are slightly pointed. Even if it has the slightest angle that is not 180 degrees, then it is not parallel.

Step-by-step explanation:

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2 years ago