MATHEMATICS MIDDLE SCHOOL

(3+root3)(3-root 2) is equal to


Its really urgent

Answers

Answer 1
Answer:

Answer:

9 -3√2 + 3√3 - √6

Step-by-step explanation:

Use Foil (First Outside Inside Last)

(3 + √3)(3 - √2)=

9 -3√2 + 3√3 - √6

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75 of what number is 51

21-26 only please help quickly I need answer quickly

Answers

21 - 
There are 1000 m in 1 km.
441.96/1000 = 0.44196
0.44196 km

22 - 
There are 1000 mg in 1 g.
5700/1000 = 5.7
5.7 g

23 - 
There are 1000 mL in 1 L.
0.946 * 1000 = 946
946 mL

24 - 
There are 10 mm in 1 cm.
60(10)=600
600/50=12
12 beads

25 - 
There are 1000 mL in 1 L.
1500(2)=3000
3000/1000=3
3 L

26 - 
There are 100 cm in 1 m.
110(100)=11000
11000-8=10992
10992 cm
21.  1,000 meters = 1 kilometer
441.96 meters = 0.44196 kilometer

22.  1,000 milligrams=1 gram
5,700 milligrams= 5.7 grams

23.  1 liter = 1,000 milliliters
0.946 liter = 946 milliliters

24.  10 millimeters = 1 centimeter
50 millimeters = 5 centimeters
60/5 = 12 sections between beads

25.  1,000 milliliters = 1 liter
1,500 milliliters = 1.5 liters
double 1,500 milliliters = double 1.5 liters = 3 liters

26.  100 centimeters = 1 meter
8 centimeters = 0.08 meter
Difference = 110 meters - 0.08 meter = 10,992 centimeters

Much better than that . . . How many pygmy pines would it take
to stack up to one redwood ?

110 / 0.08 = 1,375 of them, stacked top to bottom.

You're welcome.

A paper company produces 2,400 notebooks in 3 days. How many notebooks can it produce in 11 days.PLEASE HELP!!!!

Answers

They can produce 8,800 notebooks in 11 days. To solve this, you make this a unit rate.

2,400 notebooks ÷ 3 days = 800.

800 notebooks × 11 days = 8,800
This is just an elaboration to help you understand more:

To find out how many books can be produced in 11 days, you need to find out how many can be produced in 1 day, hence 2400/3.

2400/3=800 (How many notebooks produced in 1 day)

You then take 800 and multiply it with 11 (the amount of days)

What is the minimum area of cardboard needed to make a box that is 16 centimeters long, 12 centimeters wide, and 6 centimeters tall?

Answers