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2 years ago

Help hel helpppq please

Mathematics

1 answer:

Alexeev081 [22]2 years ago

4 0

Answer:

Step-by-step explanation:

3 on top and 4 on the side so 3x4=24

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The price of a coat is reduced by 15% in a sale.

taurus [48]

Step-by-step explanation:

Find 100% of the price:

100 - 15 = 85% (Sale price)

85% = 136

1% = 136 divide 85 = 1.6

100% = 1.6 x 100 = 160

Ans: £160

6 0

3 years ago

The frequency,f kilohertz of a radio wave is inversely proportional to its wavelength, Ym. The frequency of a radio wave that ha

diamong [38]

Step-by-step explanation:

The frequency of a radio wave that has a wavelength of 3000m is 100 kHz

(a) Wavelength = 500 m

We know that,

$f=\dfrac{c}{\lambda}\\\\f=\dfrac{3\times 10^8}{500}\\\\f=600\ kHz$

(b) Frequency, f = 800 kHz

$\lambda=\dfrac{c}{f}\\\\\lambda=\dfrac{3\times 10^8}{800\times 10^3}\\\\\lambda=375\ m$

Hence, this is the required solution.

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3 years ago

Please help me idk this

Nata [24]

Subtract the amount drank from the initial amount made.
Answer:
$19\frac{3}{8}$

8 0

3 years ago

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What does mean time as many

Lorico [155]

Times as many means multiply

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6 0

3 years ago

A circle has radius 50 cm. Which of these is closest to its area?

Angelina_Jolie [31]

Answer:

7854 square centimeters

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

A = pi ( 50)^2

A = 2500 pi

Let pi be approximated by 3.14

A = 2500 * 3.14

A =7850 cm^2

8 0

3 years ago

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