3 years ago

Elise says,” if you subtract 19 from my number and multiply the difference by -6, the result is -30.” What is Elise’s number?

Mathematics

2 answers:

DerKrebs [107]3 years ago

7 0

First, we know 5x-6 is -30, and Elise said if you subtract 19 so u add 19 Elises number os 24

beks73 [17]3 years ago

6 0

<h3><u>Elise's number is equal to 24.</u></h3>

-6(x - 19) = -30

Distributive property.

-6x + 114 = -30

Add 6x to both sides

114 = -30 + 6x

Add 30 to both sides

144 = 6x

Divide both sides by 6

x = 24

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The average density of Styrofoam is 1.00 kg/m^3. If a Styrofoam cooler is made with outside dimensions of 50.0 x 35.0 x 30.0 cm

Nadusha1986 [10]

Answer:

View graph

Step-by-step explanation:

The closest by default to 1100 cubic inches is taking two side and two front covers and that would give you 1080.12 cubic inches since two of the covers you must subtract 3 cm per side and side which would add 6 cm in total so outside would be 35 cm and indoor 29 cm . According the graph

29*50*3= 4350 * 2 lid = 8700 cm3

30*50*3= 4500*2 lid = 9000 cm3

So 8700+9000 = 17700 cm3 to inches 3 = 1080.12 cm3