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Reptile [31]
3 years ago
7

At a store, a hat has a regular price of a dollars. During a sale, the price of that hat is discounted by 20%.The expression 0.8

x describes the discounted price in dollars of the hat?
Mathematics
1 answer:
OlgaM077 [116]3 years ago
8 0

Answer:

Question?

Is the wording: price of "a" dollars, (in italics)?

If so, the equation would be:

0.8a

Otherwise, if "x" represents the regular price, then the equation would be:

0.8x

Step-by-step explanation:

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P = 5(2t -20) what is an equivalent form of this rule
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Answer:

p = 10t - 100

Step-by-step explanation:

Perform the indicated multiplication:  p = 10t - 100.

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Order 3 , -4 , 7, and -6 from least to greatest <br><br><br> Explain?
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Answer:

-6 -4 3 7

Step-by-step explanation:

This is right because if it goes- it goes lower and if it goes up on + it goes higher.

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Write the number shown in standard notation. 1.02 x 10 First Correct answer gets Brainliest
SIZIF [17.4K]

Answer:

1.02×10¹ = 10.2

Step-by-step explanation:

We have given a number in scientific notation as follows 1.02×10¹

We need to convert it into standard notation.

1 is in ones place, 0 is in tenths place and 2 is in hundredths place.

1.02\times 10^1=\dfrac{102}{100}\times 10\\\\=\dfrac{102}{10}\\\\=10.2

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4 years ago
Solve for x<br> 9 - x &lt; 17<br><br> btw the &lt; has the line underneath it!
Radda [10]

Answer:

Step-by-step explanation:

9 - x ≤17

At some point you are going to have to turn the equation around. This would not normally be your first step, but this time it is better to start with it.

We won't do it directly. The best way to do it is to add x to both sides before you do anything else. This is not the usual way to solve these equations, but it's a good time to learn.

Inequality Rule: you must always solve for x. If it is -x then you are going to have to make an adjustment to get the x to be positive.

9 - x ≤ 17                        Add x to both sides

9 - x+x ≤ 17 + x              Combine

9 ≤ 17 + x                      Subtract 17 from both sides.

9 - 17 ≤ 17 - 17 + x

8 ≤ x

Notice that you have effectively changed the ≤ sign around, not because you have, but because the x reads differently now. It started out 9 - x ≤ 17 and when you finish solving it you get 8 is less than or equal to x. Entirely different.

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3 years ago
Please help me!!!!!!!!
Marina CMI [18]
I honestly don't know because i'm only in sixth grade but I think that it might be 30*.
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