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belka [17]
2 years ago
8

How mant 3-digit numbers can be mad using each of these digits belown only once? 369

Mathematics
1 answer:
Lostsunrise [7]2 years ago
7 0

Answer:

369

396

639

693

936

963

Six which is option B

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Jefferson works part time and earns 1,520 in four weeks . How much does he earn each week ?
andrezito [222]
Divide 1,520 by the number of day in the week which is 7. That should give you how much she earns per week.
8 0
3 years ago
One number is nine more than the other. Their sum is 33. Find the numbers. (Enter your answers as a comma-separated list.)
Bas_tet [7]

Answer:

The numbers are 12, 21.

Step-by-step explanation:

x+(x+9)=33

x+x+9=33

2x+9=33

2x=33-9

2x=24

x=24/2

x=12

--------

x+9=12+9=21

Please mark me as Brainliest if you're satisfied with the answer.

5 0
3 years ago
Solve:​ ​9x - 2(4x + 5) = 2x - (4 - x) - 12 A 16 B 9 C 3 D 13
Margarita [4]

Step-by-step explanation:

4x+2x+x+9x=16x

16x=2+5+4=11

x=11

7 0
3 years ago
According to ​Lambert's law​, the intensity of light from a single source on a flat surface at point P is given by Upper L equal
malfutka [58]

Answer:

(a) L = k*(1 - sin^{2}(\theta))        

(b) L reaches its maximum value when θ = 0 because cos²(0) = 1

Step-by-step explanation:

Lambert's Law is given by:

L = k*cos^{2}(\theta)   (1)

(a) We can rewrite the above equation in terms of sine function using the following trigonometric identity:

cos^{2}(\theta) + sin^{2}(\theta) = 1

cos^{2}(\theta) = 1 - sin^{2}(\theta)  (2)

By entering equation (2) into equation (1) we have the equation in terms of the sine function:

L = k*(1 - sin^{2}(\theta))        

(b) When θ = 0, we have:

L = k*cos^{2}(\theta) = k*cos^{2}(0) = k  

We know that cos(θ) is a trigonometric function, between 1 and -1 and reaches its maximun values at nπ, when n = 0,1,2,3...

Hence, L reaches its maximum value when θ = 0 because cos²(0) = 1.

I hope it helps you!

5 0
3 years ago
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mafiozo [28]

Answer:

2. 8 * 3 - 10 = 14

3. 9 * 2 - 10 = 0

4. 5 - 15 = -10

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Part 3.

1.   0.25x + 30.00= 59.50

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