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4 years ago

Write a number that has a zero in the tens place draw a quick picture of your numbers

Mathematics

1 answer:

tatuchka [14]4 years ago

4 0

Answer:

Literally any number will do.

Step-by-step explanation:

26,201

There

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A right square pyramid is pictured below. if l is 15 cm and x is 18 cm, what is the surface area of the pyramid?

Nady [450]

Answer:

The surface area of square pyramid is 953.64 cm² .

Step-by-step explanation:

Given as for a square pyramid :

The height of pyramid = l = 15 cm

The base of square pyramid = x = 18 cm

Now,

The surface area of square Pyramid = $b^{2} + 2b\times \sqrt{\frac{b^{2}}{4}+h^{2}}$

or , The surface area of square Pyramid = $x^{2} + 2x\times \sqrt{\frac{x^{2}}{4}+l^{2}}$

Or, The surface area of square Pyramid = $18^{2} + 36\times \sqrt{\frac{18^{2}}{4}+15^{2}}$

Or, The surface area of square Pyramid = 324 + 36 × $\sqrt{81 + 225}$

or, The surface area of square Pyramid = 324 + 36 × 17.49

Or , The surface area of square Pyramid = 324 + 629.64 = 953.64 cm²

Hence The surface area of square pyramid is 953.64 cm² . Answer

8 0

4 years ago

Which inequality represents the sentence? The difference of seven and two tenths and a number is more than twenty nine.

sergeinik [125]

The difference of seven and two tenths and a number is more than twenty nine.

7.2 -n >29

Choice A

8 0

3 years ago

Read 2 more answers

I give ten points and brainliest if you say hi

patriot [66]

Answer:

Hi hope you have a wonderful and blessed day!!!!

Step-by-step explanation:

4 0

3 years ago

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Let X denote the life of a semiconductor laser (in hours) with the following probabilities: P(X ≤ 5000) = 0.05 and P(X > 7000

Anna [14]

Answer:

a) P [ x ≤ 7000] is 0.55

b) P [ x > 5000 ] = 0.95

c) P [ 5000 < x ≤ 7000 ] = 0,5

Step-by-step explanation:

a) P [ x > 7000 ] = 0.45 straightforward P [ x ≤ 7000] is 0.55

The whole spectrum of probabilities is 1 which in this particular case is divided in two parts having 7000 as a limit, then we subtact 1 - 0.45

b) P [ x ≤ 5000] = 0.05 again we get P [ x > 5000] taking 1-0.05 to get

P [ x > 5000 ] = 0.95

c) P [ 5000 < x ≤ 7000 ]

Under Normal curve distribution the probability of x ≤ 7000 includes values smallers ( to the left of 5000) so we subtract from 0.55 - 0.05 = 0.50

c) P [ 5000 < x ≤ 7000 ] = 0,5

6 0

3 years ago

Simplify the expression <br> 4t+10-5-3t in math

Reika [66]

4t + 10 - 5 - 3t: t +5

3 0

3 years ago

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