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4 years ago

What is the percent of decrease on an item that went from $25 to $20?

Mathematics

2 answers:

MAVERICK [17]4 years ago

7 0

The percent of decrease on $25 to $20 is 5 percent.

Andrews [41]4 years ago

4 0

The percent of decrease on an item that went from $25 to $20 is 5 percent.

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Y=-x+7 y=2x+1 solve using equations

777dan777 [17]

Answer:

x=6,y=13

Step-by-step explanation:

Eliminate the equal sides of each equation and combine.

x+7=2x+1

Solve x+7=2x+1

x=6

Evaluate yy when x=6

y=13

The solution to the system is the complete set of ordered pairs that are valid solutions.

(6,13)

The result can be shown in multiple forms.

Point Form:

(6,13)

Equation Form:

x=6,y=13

3 0

3 years ago

Which of the following is an example of the additive identity?

bulgar [2K]

Answer:

Option C is correct

a + 0 = a

Step-by-step explanation:

Additive identity:

For any real number x,

$x+0 = 0+x = x$

We have to find an example of the additive identity from the given options.

Option A.

a+(-a) = 0

Which does not follow the additive identity.

Option B.

a+0 = 0

which does not follow the additive identity.

Option C.

a+0 = a

this equation follows the additive identity.

Therefore,an example of the additive identity is, a + 0 = a

7 0

3 years ago

Give the answer to 4 1)9=90 2)8=72 3)7=56 4)3=

motikmotik

Answer:

Step-by-step explanation:

when divided

1 is 10 2 is 9 3 is 8 4 is 7

4 0

3 years ago

Read 2 more answers

Olive buys indie music online. Each song costs $2 plus a $5 fee for using the artist's site. She has no more than $40 to spend.

mina [271]

First, set a variable.

Let x = the number of songs bought.

Each song costs 2 dollars. So, we have our first term: 2x.
And there is a fee of 5 dollars for using the website.

2x + 5

And she can't spend any more than 40 dollars. Which means she can spend 40 and under.

So, 2x + 5 ≤ 40 is the answer.

7 0

3 years ago

Percy Cod takes a walk around the perimeter path of his local park. The park is in the shape of a rectangle which is 400m wide a

lozanna [386]

Answer:

2800m

Step-by-step explanation:

Assumption:

Start point from which Percy Cod walks is "x"

If he walks around a perimeter that is the shape of a rectangle,

Length of area = L = 1000m

Width of area = W = 400m

Distance around the rectangle = D = 2 * (L + W)

D = 2 * (400+1000)

D = 2 * 1400

D = 2800m

4 0

3 years ago