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3 years ago

5

If the family decreases the clothing budget by 3 percent, what amount will it have to spend on clothing? Round to the nearest do

llar.

1 answer:

Taya2010 [7]3 years ago

6 0

The nearest dollar would be 1 dollar because 3 is closer to 1 than to 5 or to 10 so therefor you would be rounding down.

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What part of the geocentric model was incorporated in the heliocentric model?

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C. A central body is the center of the universe.

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2 years ago

A 36.2 g object has a heat capacity of 12.5 J/ oC. How much energy (in J) is required to raise the temperature by 5.73 oC?

iren2701 [21]

Answer:

$\Delta H=2592.825\ J$

Explanation:

The expression for the calculation of the enthalpy change of a process is shown below as:-

$\Delta H=m\times C\times \Delta T$

Where,

$\Delta H$ is the enthalpy change

m is the mass

C is the specific heat capacity

$\Delta T$ is the temperature change

Thus, given that:-

Mass of object = 36.2 g

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So,

$\Delta H=36.2\times 12.5\times 5.73\ J=2592.825\ J$

$\Delta H=2592.825\ J$

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2 years ago

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2 years ago

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A laser pointer emits light that has a wavelength of 5.32x 10–7 m. What is the frequency of the light?

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Answer:

Frequency = 0.6 × 10¹⁵ s⁻¹

Explanation:

Given data:

Wavelength = 5.32 × 10⁻⁷ m

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