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vesna_86 [32]
3 years ago
15

Translate this word phrase into a variable expression. 25 decreased by the sum of 6 and a number

Mathematics
2 answers:
Elena-2011 [213]3 years ago
6 0
6x-25 six and a number(x) decreased by 25

zimovet [89]3 years ago
6 0
Easy, 

just go slowly

25 decreased

25-

by the SUM of 6 and a number

(6+x)

25-(6+x)

This is your equation. 25-(6+x)

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During a sale a dress decreased in price from $60 to $48 what was the percent of decrease
Elza [17]

Answer:

The percent decrease was 20%

Step-by-step explanation:

In order to find this, use the percent change equation.

(New - Old)/(Old) * 100 = % Change

Now input 48 for the New price and 60 for the Old price.

(48 - 60)/(60) * 100 = % Change

12/60 * 100 = % Change

.2 * 100 = % Change

20 = % Change

3 0
3 years ago
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Daniel [21]

Answer:

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Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The volume of a square prism is 144x^3 +216x^2 +81x
Svetach [21]

Answer:

Equation for the perimeter of prism's square face: 16x + 12

Step-by-step explanation:

Volume of Square prism = Length * Width * Height

                                         = 144 x^3 + 216 x^2 +81 x

taking 9x common = 9x( 16 x^2 + 24 x + 9)

                               = 9x ( (4x)^2 + 2(4x)(3) + (3)^2 )

                                = 9x ( 4x+3)^2

so the length is 9x, width is 4x+3 and height is 4x+3

Now, Perimeter of prism's square face = 2* Width + 2 * Height

                                                                = 2* (4x+3) + 2* (4x+3)

                                                                = 8x +6 + 8x + 6

                                                                = 16x +12

                   

6 0
3 years ago
Tony’s club is selling oranges to raise money. For every box they sell, they get 1 1/8 dollars profit. They have sold 75 boxes a
Luden [163]
1\frac{1}{8} =  \frac{9}{8} = 1.125, &#10; \\ 75*1.125= 84.375

84.375 is the profit ALREADY made, so now subtract that from 180 dollars to get
95.625 $ needed, now divide by amount of profit per box...

Answer should be 85 boxes

4 0
2 years ago
Im having trouble finding facts that are in scientific notation. a good example is: a microbe is 1.23*10^-3 small. (this is not
Afina-wow [57]
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just google chem constants sheet
4 0
3 years ago
Read 2 more answers
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