3 years ago

How do I subtract 6.45 from 81.3

Mathematics

1 answer:

Aleks [24]3 years ago

5 0

Simple just subtract and u get-74.85

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There is a rectangle with a length of 12.5x +5 and a width of 5 . What is the area of the triangle

krek1111 [17]

The answer would be 65

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3 years ago

Solve T = 7c-2d for d.

stepladder [879]

Answer:

$d = \frac{t - 7c}{ - 2}$

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3 years ago

24÷2²(-3)-7-2²-2(3-6) step by step please and thank you!

gavmur [86]

Answer:

$- 23$

Step-by-step explanation:

$24 \div {2}^{2} ( - 3) - 7 - {2}^{2} - 2(3 - 6) \\ 24 \div {2}^{2} ( - 3) - 7 - {2}^{2} - 2( - 3) \\ 24 \div 4( - 3) - 7 - 4 - 2( - 3)\\ 6(-3) - 7 - 4 -2(- 3) \\ - 18 - 7 - 4 + 6 \\ -25 -4 +6 \\ -29 +6 \\ - 23$

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3 years ago

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last night Eli read 1\4 of his book before he fell asleep. how much of the book does he have left to read?

TiliK225 [7]

Answer: 3/4

Step-by-step explanation:

4/4 - 1/4 = 3/4

6 0

3 years ago

What is the mass of a cylinder of lead with a radius of 2 centimeters and a height of 6 centimeters, given that the density of l

ycow [4]

The mass of lead cylinder is: 859.10 grams

Step-by-step explanation:

In order to find the mass of a cylinder we have to find the volume first

Given

Radius = r = 2 cm

Height = h = 6 cm

The volume of cylinder is given by:

$V = \pi r^2h$

Putting the values

$V = 3.14 * (2)^2 * 6\\= 3.14*4*6\\=75.36\ cm^3$

Now,

Density of lead per cm^3 = 11.4g

$Mass\ of\ cylinder = Volume*Density\\= 75.36*11.4\\=859.10\ grams$

The mass of lead cylinder is: 859.10 grams

Keywords: Volume, Density

Learn more about volume at:

#LearnwithBrainly

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3 years ago