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Nat2105 [25]
3 years ago
7

PLEASE HELP .!!! ILL GIVE BRAINLIEST.. *EXRTA POINTS* .. DONT SKIP :(( ! ILL GIVE 40 POINTS .

Mathematics
2 answers:
Naya [18.7K]3 years ago
4 0
I would say the answer is 7, since 21 divided by 3 is 7 and there are 1/3 as many of them
zvonat [6]3 years ago
4 0

Answer:

7

Step-by-step explanation:

it says that there is 1/3 of tuba players than trumpet players so divide 21 by 3 and you get 7 which is the answer

hope I helped ;)

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Read 2 more answers
I need help on this saturday guys
Anna71 [15]

The point-slope form:

y-y_1=m(x-x_1)

m - slope

(x₁, y₁) - the point

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (5, 4) and (2, -2). Substitute:

m=\dfrac{-2-4}{2-5}=\dfrac{-6}{-3}=2

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y-4=2x-10        <em>add 4 to both sides</em>

y=2x-6  - <em>slope-intercept form</em>

y=2x-6      <em>subtract 2x from both sides</em>

-2x+y=-6      <em>change the signs</em>

2x-y=6   - <em>standard form</em>

-------------------------------------------------------------------

From the table we have two points (1, 3) and (2, 7). SubstituteL

m=\dfrac{7-3}{2-1}=\dfrac{4}{1}=4

y-3=4(x-1)   - <em>point-slope form</em>

y-3=4x-4     <em>add 3 to both sides</em>

y=4x-1    - <em>slope-intercept form</em>

y=4x-1      <em>subtract 4x from both sides</em>

-4x+y=-1     <em>change the signs</em>

4x-y=1    - <em>standard form</em>

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When changes in one variable are usually accompanied by changes in the same direction in another variable?
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When change in one variable is accompanied by the change of another variable in the same direction, they are directly proportional to each other, and it is usually represented by the general equation, y = kx where k is a constant.
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3 years ago
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