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Molodets [167]
3 years ago
10

How do you use distributive property to solve 3,649 x 7

Mathematics
2 answers:
Rufina [12.5K]3 years ago
6 0

Answer:

Value of 3649×7 is:

25543

Step-by-step explanation:

We have to use the distributive property to solve 3649×7

3649 could also be written as

3649= 3000+600+40+9

3649×7= (3000+600+40+9)×7

            = 3000×7 + 600×7 + 40×7 + 9×7   (by using distributive property)

            = 21000+4200+280+63

            = 25543

Hence, Value of 3649×7 is:

25543

Tanzania [10]3 years ago
3 0
You distribute. First 3,000* 7.Then 600 *7. Then 40*7. Then 9 AM. Add it up Hopefully this helps
Tbh I forgot :)


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Change from rectangular to spherical coordinates. (let ≥ 0, 0 ≤ ≤ 2, and 0 ≤ ≤. ) (a) (5, 5 3 , 10 3 )
Nikolay [14]

The spherical coordinate that is converted from the given rectangular coordinate is (12.62, 46.67°, 35.3°).

Here, the given rectangular coordinate is (5, 5.3, 10.3).

Therefore, the value of 'x' is 5, the value of 'y' is 5.3 and the value of 'z' is 10.3.

We can convert the rectangular coordinate (x, y, z) into spherical coordinate (ρ, θ, Φ) by the below mentioned method.

We know, ρ² = (x²+y²+z²)

Therefore, ρ

= √(x²+y²+z²)

= √[(5)²+(5.3)²+(10.3)²]

= √(25+28.09+106.09)

= √(159.18)

= 12.62

Again, tan θ = (y/x)

Therefore, θ = tan⁻¹(y/x) = tan⁻¹(5.3/5) = tan⁻¹(1.06) = 46.67°

Similarly, cos Φ = (z/ρ)

Therefore, Φ = cos⁻¹(z/ρ) = cos⁻¹(10.3/12.62) = cos⁻¹(0.816) = 35.3°

Here, the spherical coordinate is (ρ, θ, Φ).

Therefore, the required spherical coordinate for the given rectangular coordinate is (12.62, 46.67°, 35.3°).

Learn more about the conversion of a rectangular coordinate to a spherical coordinate here: brainly.com/question/17185505

#SPJ4

8 0
1 year ago
Help please !!!!!!!!!!!!!!!!
mr_godi [17]

Answer:

(12,10)

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago
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