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Nitella [24]
3 years ago
13

Có ai biết làm toán cao cấp 2 phần đại học ko , help me:((

Mathematics
1 answer:
Viefleur [7K]3 years ago
5 0

Answer: Sorry i only speak english

Step-by-step explanation:

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A rectangular floor of area 21.6 m2 is going to be tiled. Each tile is rectangular, and has an area of 288 cm2. An exact number
PIT_PIT [208]

Answer:

Area of Floor = 21.6.m²

Area of tile = 288 cm² = 0.0288 m²

No. of tiles = Area of floor/ area of tile

= 21.6/0.0288

= 750

<h3>750 tiles can be put into the space </h3>
5 0
2 years ago
I = Prt
Olegator [25]

Answer:

r=3.5\%

Step-by-step explanation:

we know that

The simple interest formula is equal to

I=P(rt)

where

I is the Final Interest Value

P is the Principal amount of money to be invested

r is the rate of interest  

t is Number of Time Periods

in this problem we have

t=5\ years\\ P=\$1,200\\ I=\$210\\r=?

substitute in the formula above

210=1,200(5r)

solve for r

r=210/6,000

r=0.035

convert to percentage (multiply by 100)

r=3.5\%

6 0
3 years ago
The numbers in the diagram below indicate the lengths of the sides of a triangle. Bernadette drew the following triangle and cla
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Answer:

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Step-by-step explanation:

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3 years ago
Five snails are having a race. The snail's speeds are given in the table. Which two snails are going the same rate of speed?
skad [1K]

Answer:

2 1/5 for alice

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Step-by-step explanation:

brainliest please

7 0
3 years ago
1 question for brain list :)
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