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2 years ago

How do I solve these problems I'm trying to find the cheapest deal

Mathematics

2 answers:

atroni [7]2 years ago

7 0

2.79 / 2 = 1.395 rounds to 1.40 per roll
8.99 / 6 = 1.498 rounds to 1.50 per roll

the better deal (cheapest) is the 2 roll package

** if u want price per roll (price / roll) ...u divide the price by the number of rolls

ozzi2 years ago

3 0

Take the total price and divide by the number of rolls that will tell you the price per roll

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Find the value of x.

dimaraw [331]

Answer:

$2\sqrt{77}$

Step-by-step explanation:

Use the Pythagorean theorem. $a^{2} +b^{2}=c^{2}$

a and b are the two side lengths

c is the hypotenuse (value across from the right angle)

Plug in the values that you are given.

$a^{2} +4^{2} =18^{2}$

Solve for x

$x^{2} =18^{2} -4^{2}$

$x^{2} =308$

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2 years ago

PLEASE HELP

qaws [65]

NUMBER ONE IS THE RIGHT ANGLE AND THE SECIND INE IS SUPPLEMENTARY

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2 years ago

If 5<2x+3<11, what is the possible range of value of -4x-6

Lady bird [3.3K]

Answer:

-10 > (-4x - 6) > -22

Step-by-step explanation:

Given inequality is 5 < 2x + 3 < 11

Now we will multiply this inequality by (-2) resulting,

5(-2) > (2x + 3)(-2) > 11(-2)

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Therefore, the possible range of (-4x - 6) is between -22 and -10.

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3 years ago