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valkas [14]
3 years ago
11

What are two linear expressions with a sum of -5x+4

Mathematics
1 answer:
Crazy boy [7]3 years ago
4 0
(-3x+1)+(-2x+3) is one example
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A cash card has a starting value of $25. If the card is not used within the first year of its purchase, the value on the card be
Gre4nikov [31]

Answer:

  • The relationship between the number of months after the first year and the amount on the remaining card is linear and inverse ( Which meant that ,when the number of months after the first year increases , the amount on the remaining car decreases , in a linear way ) .

  • The Independent variable is the <u>numbers of months after the first year .</u>

  • The Dependent variable is the<u> </u><u>amount on the remaining card , Bcoz this amount depends on the time it has passed since the first year , ( which is our independent variable!).</u>

  • <u>If </u><u>we </u><u>call </u><u>"</u><u>Y"</u><u> </u><u>our </u><u>dependent</u><u> </u><u>variables</u><u> </u><u>and </u><u>"</u><u>X"</u><u> </u><u>our </u><u>Independent</u><u> </u><u>variable</u><u> </u><u>,</u><u> </u><u>This </u><u>relationship</u><u> </u><u>can </u><u>be </u><u>written</u><u> </u><u>as </u><u>Y=</u><u> </u><u>2</u><u>5</u><u> </u><u>-</u><u> </u><u>2</u><u>.</u><u>5</u><u>x</u><u>.</u>

  • <u>If </u><u>no </u><u>months </u><u>had </u><u>passed </u><u>since </u><u>the </u><u>first</u><u> </u><u>year,</u><u> </u><u>then </u><u>x=</u><u> </u><u>0</u><u> </u><u>and </u><u>the </u><u>amount</u><u> </u><u>in </u><u>the </u><u>card </u><u>equals </u><u>$</u><u>2</u><u>5</u><u> </u><u>,</u><u> </u><u>While </u><u>if </u><u>one </u><u>month </u><u>has </u><u>passed </u><u>since </u><u>the </u><u>first </u><u>year </u><u>x=</u><u> </u><u>1</u><u> </u><u>and </u><u>y=</u><u> </u><u>2</u><u>2</u><u>.</u><u>5</u><u> </u><u>(</u><u> </u><u>The </u><u>amount</u><u> </u><u>in </u><u>the </u><u>card </u><u>in </u><u>this </u><u>case </u><u>is </u><u>$</u><u>2</u><u>2</u><u>.</u><u>5</u><u> </u><u>.</u>

Step-by-step explanation:

<h2>Hope this helps you !! </h2>
8 0
2 years ago
PLEASE HELP I ADDED A PIC TOO!
Klio2033 [76]

Answer:

C. | v -21 | \leq  0.15

Step-by-step explanation:

Because the volume is either 0.15 more or 0.15 less than 21 ounces. | v - 21 | indicate the difference between the volume and 21 and it has to be less than 0.15. Therefore answer C.  

7 0
3 years ago
If Robert was on a train and he ate 7 apples in 20 minutes, and the train takes 2 hours to get Florida how many apples will he h
Fittoniya [83]

Answer: first multiply then determine if you should add or subtract.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
How do you find the original price if the percent of discount is 25% in the sales price is $40
kondaur [170]

25% — $40

100% — $40 * 4 = $160

The original price is $160.

3 0
3 years ago
Gary received a 3.5% raise in salary. If he is now paid $140 374.85, what was his previous salary?
Ostrovityanka [42]

Answer:

$135461.73

Step-by-step explanation:

140374.85 decrease 3.5% =

140374.85 × (1 - 3.5%) = 140374.85 × (1 - 0.035) = 135461.73025

3 0
3 years ago
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