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morpeh [17]
3 years ago
12

0.4 divided by 0.08=

Mathematics
1 answer:
NISA [10]3 years ago
3 0

Answer:

The answer is five (5)

Step-by-step explanation:


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Find the unit rate. <br> 247 heartbeats in 612 minutes
ollegr [7]

Answer:

247/612 bpm

Step-by-step explanation:

247 beats / 612 minutes

beats / minute

beats per minute = bpm

5 0
3 years ago
Use the Rational Root Theorem to list all possible rational roots of the polynomial equation x3 – x2 – x – 3 = 0. Do not find th
almond37 [142]
Hello,
<span>List all possible rational roots of the polynomial equation x3 – x2 – x – 3 = 0

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7 0
3 years ago
Read 2 more answers
A string passing over a smooth pulley carries a stone at one end. While its other end is attached to a vibrating tuning fork and
nasty-shy [4]

Answer:

correct option is C)  2.8

Step-by-step explanation:

given data

string vibrates form =  8 loops

in water loop formed =  10 loops

solution

we consider  mass of stone = m

string length = l

frequency of tuning = f

volume = v

density of stone = \rho

case (1)  

when 8 loop form with 2 adjacent node is \frac{\lambda }{2}

so here

l = \frac{8 \lambda _1}{2}      ..............1

l = 4 \lambda_1\\\\\lambda_1 = \frac{l}{4}

and we know velocity is express as

velocity = frequency × wavelength   .....................2

\sqrt{\frac{Tension}{mass\ per\ unit \length }}   =   f × \lambda_1

here tension = mg

so

\sqrt{\frac{mg}{\mu}}   =   f × \lambda_1     ..........................3

and

case (2)  

when 8 loop form with 2 adjacent node is \frac{\lambda }{2}

l = \frac{10 \lambda _1}{2}      ..............4

l = 5 \lambda_1\\\\\lambda_1 = \frac{l}{5}

when block is immersed

equilibrium  eq will be

Tenion + force of buoyancy = mg

T + v × \rho × g = mg

and

T = v × \rho - v × \rho × g    

from equation 2

f × \lambda_2 = f  × \frac{1}{5}  

\sqrt{\frac{v\rho _{stone} g - v\rho _{water} g}{\mu}} = f \times \frac{1}{5}     .......................5

now we divide eq 5 by the eq 3

\sqrt{\frac{vg (\rho _{stone} - \rho _{water})}{\mu vg \times \rho _{stone}}} = \frac{fl}{5} \times \frac{4}{fl}

solve irt we get

1 - \frac{\rho _{stone}}{\rho _{water}}  = \frac{16}{25}

so

relative density \frac{\rho _{stone}}{\rho _{water}} = \frac{25}{9}

relative density = 2.78 ≈ 2.8

so correct option is C)  2.8

3 0
3 years ago
Which statement is true regarding the graphed functions?
vaieri [72.5K]

Answer:

probably b

Step-by-step explanation:

5 0
3 years ago
1.)Painting Jane is painting one wall of her living room. The wall is rectangular, 13 feet wide by 9 feet high. What is the area
antiseptic1488 [7]

Answer:

1. 117 ft^{2}

2. 54 ft^{2}

3. 1,428 ft^{2}

4. 644 ft^{2}

5. 4,700 ft^{2}

6. 57,600 ft^{2}

Step-by-step explanation:

First use A = w*l

w = width

l = length

It doesn't have to be A = w*l, it could be A = l*w.   It will be the same answer.

1.  3 ft * 9 ft = 117 ft^{2}

2. 3 ft * 18 ft = 54 ft^{2}

3. 42 ft * 34 ft = 1,428 ft^{2}

4. 23 ft * 28 ft = 644 ft^{2}

5. 94 ft * 50 ft = 4,700 ft^{2}

6. 360 ft*160 ft = 57,600 ft^{2}

3 0
2 years ago
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