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Nadusha1986 [10]
2 years ago
13

Simplify the expression 9^7/ 9^9 60 points

Mathematics
1 answer:
KATRIN_1 [288]2 years ago
5 0

Answer:

1/9^2

Step-by-step explanation:

simplify

9^(7-9)

simplify further

9^-2

simplify even more

1/9^2

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7cm<br> 9cm<br> 4cm<br> 4cm<br> Find the area
sladkih [1.3K]

Step-by-step explanation:

lenght =4+4+7cm

=15cm

breadth=9cm

Now,

Area(A)=L×B

=15cm×9cm

=135cm^2

7 0
3 years ago
A total of 766 tickets were sold for the school play. They were either adult tickets or student tickets. There were 66 more stud
Sunny_sXe [5.5K]
The answer is 350.

To do this subtract 66 from 766=700. Divided 700 by 2 which equals 350. 350 is your answer.

Hope this helps and hope you have a great day
8 0
4 years ago
A swordfish, one of the fastest swimming of all fish, can swim 4 times as fast as a
Reika [66]

Answer:

Step-by-step explanation:

The swordfish swims at 68 miles per hour because 4•17=68

5 0
3 years ago
From a group of 7 men and 6 women, five persons are to be selected to form a committee so that at least 3 men are there in the c
Ivan

The total possibilities can be 756 ways.

<h3>What is combination?</h3>

A combination is a mathematical technique that determines the number of possible arrangements in a collection of items where the order of the selection does not matter. In combinations, you can select the items in any order. Combinations can be confused with permutations.

Given:

The number of ways in which we can select atleast 3 men in the committee are 756.

Number of men = 7

Number of women = 6

Number of people that should be selected in the committee = 5

Now,

N(M = 3) = 7C_3* 6C_2

=35*15

=525

N(M = 4) = 7C_4* 6C_1

=35*6

=210

N(M = 3) = 7C_5* 6C_0

=21*1

=21

So, total possibilities can be = 525 + 210 + 21 = 756 ways.

learn more about combination here:

brainly.com/question/28390900

#SPJ4

7 0
2 years ago
A nursery owner buys 9 panes of glass to fix some damage to her greenhouse. The 9 panes cost $21.15. Unfortunately, she breaks 4
fenix001 [56]

Answer:

$9.40

Step-by-step explanation:

21.15/9=2.35 - This is the cost per pane

2.35*4=9.4 - This is the cost for 4 panes

5 0
3 years ago
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