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Lapatulllka [165]

3 years ago

9

A store sells notebooks for $3 each and does not charge sales tax. If x represents the number of notebooks Adele buys and y repr

esents the total cost of the notebooks she buys, which best describes the values of x and y?

1 answer:

Morgarella [4.7K]3 years ago

7 0

Answer:

.....

......................

x>y

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Hi can any one please help me I really need help please help me thank you

sveta [45]

Answer:

Length = 31cm

Width = 10cm

Step-by-step explanation:

$Let -the-length-be : x\\Let-the-width-be :y\\\\According- to- the- question ; \\x = 3(y)\\x=3y ---------(1)\\2(l+w)=82\\2(x+y)=82\\2x+2y =82 --------(2)\\Substitute- the - given- value- for ; x -in - equation---(1) into -equation (2)\\2(3y)+2y =82\\6y+2y=82\\8y =82\\\frac{8y}{8} =\frac{82}{8} \\y = 10.25\\\\Substitute 10.25 -for ;y -in -eq 1\\x=3y ---------(1)\\x = 3(10.25)\\x = 30.75$

8 0

3 years ago

Area of Polygons<br> Find the area of each

kirill115 [55]

Answer:

1 = 95.7 square yds.

2 = 49.5 square m

3 = 6.8 square yds.

4 = 29.1 square cm.

5 = 15.21 square ft.

6 = 49 square m.

Brainliest answer please! :)

5 0

3 years ago

8:4 and 16:64 are equal ratios?

alexandr402 [8]

Hello.

In order to see if the ratios are equal, we have to simplify both of them.

The first ratio is 8:4.

Divide 8 and 4 by 4:

2:1

Now, simplify the second ratio:

16:64

4:16

1:4

Are 2:1 and 1:4 equal? No.

Therefore, 8:4 and 16:64 are not equal ratios.

I hope this helps.

Have a nice day.

$\boxed{imperturbability}$

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2 years ago

ASAP Select the statement that correctly describes the expression below.

Vesnalui [34]

I believe it is <span>b)the square of the sum of 2 times x and 5</span>

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2 years ago

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