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Degger [83]
3 years ago
13

Help mee

Mathematics
2 answers:
Artist 52 [7]3 years ago
6 0
1. Add all of the numbers together
2. Divide the answer by how many different numbers there are (so 10)
The mean to the nearest tenth is 356.8

san4es73 [151]3 years ago
4 0
First, add the numbers:

352 + 310 + 364 + 378 + 308 + 395 + 347 + 357 + 384 + 371 = 3566

Next, divide this sum by the number of values that were added:

3566 ÷ 10 = 356.6

To the nearest tenth, the mean is 356.6.
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Step-by-step explanation:

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Use the substitution and to rewrite the equations in the system in terms of the variables and . Solve the system in terms of u a
Tatiana [17]

Answer:

x = -1 and y = 1/2

Step-by-step explanation:

Let u = 1/x, and v = 1/y

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-3/x + 4/y = 11

1/x - 2/y = -5

Can be written as

-3u + 4v = 11 .................................(1)

u - 2v = -5......................................(2)

From (2)

u = 2v - 5 .......................................(3)

Substituting (3) into (1)

-3(2v - 5) + 4v = 11

-6v + 15 + 4v = 11

-6v + 4v = 11 - 15

-2v = -4

v = 4/2 = 2

Substituting this value of v in (3)

u = 2v - 5

u = 2(2) - 5

= 4 - 5

= -1

That is

u = -1, v = 2

Since u = 1/x, and v = 1/y, we have

1/x = -1

=> x = -1

And

1/y = 2

=> y = 1/2

Therefore

x = -1 and y = 1/2

4 0
3 years ago
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