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swat32
3 years ago
5

10-5(9n-9) simplify the expressions

Mathematics
1 answer:
eduard3 years ago
8 0

Answer:

−45n+55

Step-by-step explanation:

10-5(9n-9)

distribute -5 into (9n-9)

10-45n+45

combine like terms

10+45=55

-45n+55

hope this helps

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PLEASE HELP!!!
kramer

The arc is defined by an angle of 1.05 radians, and a length of 1.05 units.

<h3 /><h3>How to get the angle in radians?</h3>

Remember the relation:

180° = 3.14 radians.

Then:

60° = (60°/180°)*3.14 rad = 1.05 rad.

Now, for a circle of radius R, an arc defined by an angle θ has a length:

L = θ*R

Then the length of this arc is:

L = 1.05*1 unit = 1.05 units.

If you want to learn more about arcs:

brainly.com/question/2005046

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6 0
2 years ago
Q1. An airplane flies with a constant speed of 600 miles per hour. How far can it travel in 3 1/2 hours?
Dahasolnce [82]

Answer:

Q1. 1050 miles

Q2. 1h 30m

Step-by-step explanation:

Q1. 1h = 300 miles

3\frac{1}{2}h = 3.5 × 300 miles

     = 1050 miles

Q2. 68km = 1h

102km = \frac{102}{68} × 1h

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5 0
3 years ago
6th graders who played video games.-59 who didnt-45 total -104
anastassius [24]

Answer:

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Step-by-step explanation:

8 0
3 years ago
At a ski resort, 1/4 of the 300 skiers are beginners,and 1/4 of the 260 snowboarders are beginners.The resort staff used the dis
tensa zangetsu [6.8K]

Answer:

Step-by-step explanation:

1/4 of the 300 skiers are beginners......1/4 of the 260 snowboarders are beginners..

so we want the total number of beginners..

the distributive property in this situation would be :

1/4(300 + 260) .......to solve this, u first have to get rid of the parenthesis. To do this, u multiple the number directly to the left of the parenthesis, by everything in the parenthesis.....u distribute it.

1/4(560).....now we multiply

560/4 = 140

OR

this way

1/4( 300 + 260) = 1/4(300) + 1/4(260) = 300/4 + 260/4 = 75 + 65 = 140

3 0
3 years ago
What are the abbreviations for a milliliter, a megameter, and a centigram, respectively?
babunello [35]
The answer that you are looking for is, ml, Mm, cg
7 0
2 years ago
Read 2 more answers
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