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3 years ago

I NEED HELLLPPP

2 answers:

6 0

The answer is most likely A. It isn't D, because a detail that minute will not help someone find crayons in a big store. It is not C because most likely crayons from the same brand have the same colors, so if a company had 2 boxes and one was bigger than the other, they would still be the same color. It is not B because Gina is the one planning on buying the crayons, and she wants to know which ones he likes, not which one has the best value.

adell [148]3 years ago

3 0

I think its A , it makes the most sense

You might be interested in

Who was the first known contributor to the atomic theory?

juin [17]

Answer:

Democritus

Explanation:

Democritus came up with the idea of indivisible atoms. The earliest known proponent of anything resembling modern atomic theory was the ancient Greek thinker Democritus. He proposed the existence of indivisible atoms as a response to the arguments of Parmenides and the paradoxes of Zeno.

6 0

3 years ago

By what factor does the sound intensity increase if the sound intensity level increases from 60 db to 61 db?

tiny-mole [99]

Answer:

$\frac{I_{2}}{I_{1}} = 10^{0.1}$

Explanation:

The sound intensity level β can be mathematically defined as

$\beta(dB) = 10log_{10}(\frac{I}{I_{o} } )$

where $I_{o}$ is the reference intensity and is equal to $10^{-12}$ $W/m^{2}$ .

Now,

$\beta_{2} - \beta_{1} = 10 log\frac{I_{2} }{I_{o}} - 10 log\frac{I_{1} }{I_{o}}\\62-60= 10log(\frac{\frac{I_{2} }{I_{o} } }{\frac{I_{1} }{I_{o} } } )\\1=10log(\frac{I_{2} }{I_{1} } )\\\\\frac{I_{2} }{I_{1} }=10^{0.1}$

6 0

4 years ago

The density of the object on the left is 1.5 g/cm3 and the density of the fluid is 1.0 g/cm3. Which has greater density? The obj

gizmo_the_mogwai [7]

the first one is object and the second one is sink

4 0

4 years ago

Read 2 more answers

A uniform film of a material that has index of refraction 1.30 covers the front surface of a pane made of glass with index of re

Orlov [11]

Answer:

The energy of each photon in the light beam is $1.73\times10^{-18}\ J$ .

Explanation:

Given that,

Index of refraction of glass =1.55

Index of refraction of material =1.30

Wavelength = 115 nm

We need to calculate the energy of each photon in the light beam

Using formula of energy

$E=\dfrac{hc}{\lambda}$

Where, h = Planck constant

$\lambda$ =wavelength

c = speed of light

Put the value into formula

$E=\dfrac{6.63\times10^{-34}\times3\times10^{8}}{115\times10^{-9}}$

$E=1.73\times10^{-18}\ J$

Hence, The energy of each photon in the light beam is $1.73\times10^{-18}\ J$ .

3 0

4 years ago

The german inventor of the movable-type printing press was

marusya05 [52]

Answer:

The German inventor of the movable-type printing press was Johannes Gutenberg.

Explanation:

Johannes Gutenberg, the inventor of the mechanical movable type printing press introduced printing to Europe and started the Printing Revolution.
In movable type technology of printing, the system used movable components to reproduce a document on the medium, usually paper. The advantages of this type of printing over woodblock printing were that the printing was quicker, the metal type pieces were more durable and the uniform lettering leads to typography and fonts.
The metal movable-type printing press created by Johannes Gutenberg had the type pieces made from an alloy of lead, tin, and antimony. The casting of type pieces was done on matrix and hand molds. He created the first printed version of the Bible called the Gutenberg Bible using this printing technology.
The movable-type printing press helped in the development of the Renaissance and the scientific revolution by the transmission of knowledge and laid the foundation of the modern knowledge-based economy.

6 0

3 years ago