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3 years ago

Find the missing value so that the line passing through the points has the given slope

Mathematics

1 answer:

Tanya [424]3 years ago

8 0

Answer:

y = 2

Step-by-step explanation:

<u>Using slope formula and solving for y</u>

m = (y2 - y1)/(x2 - x1)

-2/7 = (4 - y)/(3 - 10)
-2/7 = (4 - y)/-7
2 = 4 - y
y = 4 - 2
y = 2

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(a) What resonant frequency would you expect from blowing across the top of an empty soda bottle that is 24 cm deep, if you assu

Kryger [21]

Answer:

a) 357.29 Hz

b) 535.9375 Hz

Step-by-step explanation:

v = Velocity of sound in air = 343 m/s

l = length = 24 cm

$l=\frac{1}{4}\lambda \\\Rightarrow \lambda=4l$

$f=\frac{v}{\lambda}\\\Rightarrow f=\frac{v}{4l}\\\Rightarrow f=\frac{343}{4\times 0.24}\\\Rightarrow f=357.29\ Hz$

∴ Resonant frequency is 357.29 Hz

b) Here one third is filled with soda

So, length becomes $l=24-\frac{24}{3}=16\ cm$

$f=\frac{v}{4l}\\\Rightarrow f=\frac{343}{4\times 0.16}\\\Rightarrow f=535.9375\ Hz$

∴ Resonant frequency is 535.9375 Hz

6 0

4 years ago

Please help :) (10 points)

Levart [38]

I think the answer
Is 273

6 0

3 years ago

Read 2 more answers

Multiply and subtract these polynomials and simplify. Enter your response in standard form.

a_sh-v [17]

Answer: use this website https://www.symbolab.com/solver/polynomial-equation-calculator/%5Cleft(2x3%20%E2%88%92%203x%20%2B%2011%5Cright)%20%E2%88%92%20%5Cleft(3x2%20%2B%201%5Cright)%5Cleft(4%20%E2%88%92%208x%5Cright)

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3 years ago

If 18 ( squared ) = 324, what is radical 324

Zina [86]

Answer:

Radical 324 is 18

Step-by-step explanation:

Radical means the square root of a number.

Think of it as reverse squared

like radical 64 is 8 because 8 x 8 = 64

in this situation 18 x 18 = 324

If you have any questions feel free to ask in the comments.

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klemol [59]

Answer:

the seconed one

Step-by-step explanation:

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