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storchak [24]
3 years ago
15

What do I have to do

Mathematics
1 answer:
kondaur [170]3 years ago
8 0

Answer:

if you put 4.25 on a number line then the OPPOSITE of that would be going across the 0 on the number line so the answer -4.25

Step-by-step explanation:

if the number is negative its opposite is that number but positive and the same thing if the number is positive its opposite is a negative

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san4es73 [151]
Shesp ends reading 219 hours reading that book
5 0
3 years ago
The rental rate for a cement mixer has a flat rate of $40 plus $20 for each day of the rental. The graph shows points representi
Fiesta28 [93]

Answer:

Step-by-step explanation:

y= 20x+40

y- is the cost of rental

x-number of days

20 is the slope

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4 0
3 years ago
Lily has p pennies and n nickels. She has at most 24 coins altogether. Write this
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P + n is less than or equal to 24
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Read 2 more answers
The perimeter of a rectangle is 30 cm and its length is x cm. Find its area in terms of x. step by step explanation.​
mars1129 [50]

Answer:

The area of the rectangle in terms of 'x' = 13x

Step-by-step explanation:

  • Perimeter = 30 cm
  • Length = x cm

Using the perimeter formula to find the width w.

P=2(l+w)

P = 2l + 2w

2w = P-2l

Dividing both sides by 2

w\:=\:\frac{P}{2}-2

as P = 30 cm

w\:=\:\frac{30}{2}-2

w\:=\:15-2

w = 13 cm

Using the formula of the rectangle area

A = wl

substitute w = 13 and l = x in the formula

A=13\times \:x

A = 13x

Therefore, the area of the rectangle in terms of 'x' = 13x

7 0
2 years ago
I am the number of red tiles in a design with red and blue tiles. The red tiles each have 3 sides. The blue tiles each have 5 si
nekit [7.7K]
If each blue tile has 5 sides and you know you have 3 blue tiles you can multiply 5 by 3
5 x 3 = 15 sides


Next you know the total number of sides is 30 and you just figured out that your 3 blue tiles have a total of 15 sides so you can subtract 15 from 30 to find how many sides are left
30 - 15 = 15sides

Since you know that these are not blue tiles because in the question it stated that you have 3 blue tiles. These have to be sides for red tiles.

Each red tile have 3 sides so you can divide 15 by 3
15/3 = 5

There are 5 red tiles
You are the number 5


8 0
2 years ago
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