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Andreyy89
4 years ago
13

QUICKEST AND MOST CORRECT ANSWER GETS BRAINLIEST 0LUS ILL FOLLOW U​

Mathematics
1 answer:
RideAnS [48]4 years ago
8 0

Answer:

D.

Step-by-step explanation:

-2x-1 =y

-2x 2= -4-1

= -5

=2, -5

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Bill found a book he wanted on sale for $20.80. The original price of the book was $32. Find the discount rate.
Maurinko [17]

Answer:

35% discount

Step-by-step explanation:

We can first find what percent of 32 20.80 is.

This can be shown by using a percent proportion.

\frac{20.80}{32} = \frac{x}{100}

We can cross multiply to find the value of x.

20.80\cdot100=2080\\\\2080\div 32 = 65

So 20.80 is 65% of 32.

However, this is the percent of the original price. To find the discount, we have to subtract 65 from 100.

100 - 65 = 35

So the book was on a 35% discount.

Hope this helped!

3 0
4 years ago
Can someone explain this to me
tensa zangetsu [6.8K]
Radio was 10
got markup of 54%
this implies it is almost 1/2x more than 10
10*1 is 100% of 10
use this fact and take 10 + .54*10=New Cost (nc)
tax is 2% use nc*1.2
3 0
3 years ago
Read 2 more answers
Chuck wants to draw three-dimensional figure whose lateral faces are rectangles he says he can draw prisms and pyramids
user100 [1]
you can also draw a 3-dimensional cube

7 0
3 years ago
In an experiment, equal amounts of heated water and soil were left to cool down. The initial and final temperatures of each were
Mekhanik [1.2K]

Answer:less than 24 °C as soil loses heat relatively faster than water. It will be less than 24 °C as water loses heat relatively faster than soil. It will be more than 24 °C as it takes relatively longer to change soil temperature than water temperature. It will be more than 24 °C as it takes relatively longer to change water temperature than soil temperature.

Step-by-step explanation:

less than 24 °C as soil loses heat relatively faster than water. It will be less than 24 °C as water loses heat relatively faster than soil. It will be more than 24 °C as it takes relatively longer to change soil temperature than water temperature. It will be more than 24 °C as it takes relatively longer to change water temperature than soil temperature.

6 0
3 years ago
Brandon has 7/1/2gallon of paint. He plans on using 1/1/2 gallon on each room. How many rooms will he be able to paint.
SVETLANKA909090 [29]
7 because all the room contain 1//2 and Brandon has 7/1/2 i t pretty easy <span />
4 0
3 years ago
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