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3 years ago

Find the distance between 0,-1 and 3,7

Mathematics

2 answers:

garri49 [273]3 years ago

7 0

The answer is (2,889 mi) hope it helps and have a great day!

jeka57 [31]3 years ago

6 0

I have no cue if this is on a graph or something

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A police car's siren operates at a frequency of 2,000 Hz. What frequency would a stationary listener observe if the police car i

SpyIntel [72]

we can use formula

$f_L=f_s(\frac{v_a-v_p}{v_a+v_p} )$

where

fL is listener frequency

fs is siren frequency

va is the speed of sound in air

vs is police car speed

so, we have

$f_s=2000Hz$

$v_a=345m/s$

$v_p=65mph$

now, we can change it into m/s

$v_p=65*\frac{1609}{3600}m/s$

$v_p=29.05139m/s$

now, we can plug it

$f_L=2000(\frac{345-29.05139}{345+29.05139} )$

$f_L=1689.33263Hz$ ..............Answer

3 0

3 years ago

Help me solve this question

german

Answer:

700 feet

Step-by-step explanation:

you just add the two 50 wich makes that 100 then add 100 to 600

6 0

3 years ago

Find the slope of the line between the points (1, 4) and (-1,6)

Oduvanchick [21]

Answer:

slope = - 1

Step-by-step explanation:

Calculate the slope m using the slope formula

m = $\frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

with (x₁, y₁ ) = (1, 4) and (x₂, y₂ ) = (- 1, 6)

m = $\frac{6-4}{-1-1}$ = $\frac{2}{-2}$ = - 1

6 0

3 years ago

Which of the following is a true equation?<br> k=y/x<br> k= x/y<br> x= y/k

faust18 [17]

Answer:

Step-by-step explanation:

Your question is not complete.

According to what do we validate with the equation.

add more info in the question because all of them can be true without any condition given or validation.

7 0

3 years ago

What is the smallest subset of the square root of 100

aev [14]

=2x5
=10
If you have a certain type of calculator it could answer that question easy

3 0

3 years ago