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3 years ago

12

Ill mark brainlest if right

2 answers:

slavikrds [6]3 years ago

7 0

Answer:

I am super sure its A and C

Hope this helps :D

Verdich [7]3 years ago

4 0

I’m not sure but maybe A and C

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There are 18,076 books in our public library. How should this number be written in expanded form? A) 10,000 + 8,000 + 70 + 6 B)

Juliette [100K]

A) 10,000 + 8,000 + 70 + 6

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3 years ago

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Thirty students bought pennants for the football game. Plain pennants cost $4 each and fancy ones cost $8 each. If the total bil

sammy [17]

Answer:

number o students bought pennants = 18

number of student bought fancy ones=12

Step-by-step explanation:

Let x be the number o students bought pennants

and y be the number of student bought fancy ones

total 30 students

$x+y= 30$

$y=30-x$

Plain pennants cost $4 each and fancy ones cost $8 each.

$4x+8y=168$

Substitute 30-x for y in second equation

$4x+8(30-x)=168$

$4x+240-8x=168$

$240-4x=168$

Subtract 240 from both sides

$-4x=-72$

divide both sides by -4

x=18

$y=30-x$

$y=30-18= 12$

number o students bought pennants = 18

number of student bought fancy ones=12

6 0

4 years ago

What percentage of 4m is 20m

Sever21 [200]

Answer:500%

Step-by-step explanation:

The solution is in the file below

8 0

2 years ago

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PLS HELP!! <br><br> For the function f(x)=x+9. Find (f x f^-1)(5)

Karo-lina-s [1.5K]

Answer:

I hope this helps you

Step-by-step explanation:

y=x+9

x=y-9 f^-1 (x)= x-9

x=5 f^-1 (5)=5-9 = -4

f (f^-1))=f (-4)=?

x= -4

f (-4)=-4+9

f (-4)= 5

6 0

3 years ago

Please help it has to be one of these 4

Darya [45]

The answer is c

The rate of change is 30

Could you please mark brainleist

3 0

3 years ago