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Katena32 [7]
3 years ago
11

Arianna correctly simplified an expression. When she substituted X = 2 into the simplified expression, the value was –4. Which c

ould be Arianna’s original expression?
Mathematics
2 answers:
daser333 [38]3 years ago
8 0
The answer would be -2... Because -2 * 2 = -4!
USPshnik [31]3 years ago
8 0

Answer:

\frac{1}{6}(-10x-4)

Step-by-step explanation:

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Which object has the mass of about one kilogram?
stira [4]

Answer:

A dictionary has the mass of about 1 killo so the book!

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
suppose Tomas buys a total of 30 baseball and football cards in week 5 . how many of each would he have to buy to keep the same
Charra [1.4K]

Answer:

  • 18 baseball cards
  • 12 football cards

Step-by-step explanation:

The only relationship shown in the table is in week 1, where the ratio of baseball to football cards is ...

  baseball : football = 9 : 6

In week 1, the total of these numbers is 15. You want the total in week 5 to be 30, double the total in week 1. So, Thomas needs to purchase double the numbers he purchased in week 1:

  • 18 baseball cards
  • 12 football cards

_____

<em>Comment on the attachment</em>

This table came from another question you posted, a question with no content other than the table. The blue numbers are blanks in the original table that have been filled in so as to keep the same 3:2 proportion in each week. They appear to have no bearing on this question.

7 0
3 years ago
Can you simplify (9c^8)^1/2
Tamiku [17]

Answer: 9c8

 ———

  2

Step-by-step explanation:

32c8

Simplify   32c8———

            2

7 0
3 years ago
Audryn left a $12 tip on a $68.73 restaurant bill. What percent tip did she leave? Round to the nearest tenth of a percent.
Andrew [12]
Well, if we take 68.73 as the 100%, how much is 12 of it in percentage?

well    \bf \begin{array}{ccllll}&#10;amount&\%\\&#10;\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\&#10;68.73&100\\&#10;12&x&#10;\end{array}\implies \cfrac{68.73}{12}=\cfrac{100}{x}

solve for "x"
3 0
3 years ago
Read 2 more answers
Hurry 3(x+4)-5(x-1)&lt;5
Oxana [17]

Answer:

x>6

Step-by-step explanation:

3x+12-5x+5<5

-2x+17<5

-2x<-12

x>6

7 0
2 years ago
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