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White raven [17]

2 years ago

6

When light can travel into a material but cannot travel through the material, it is called refraction reflection absorption bloc

kage

1 answer:

SOVA2 [1]2 years ago

8 0

When light can travel into a material but cannot travel through the material, it is called absorption

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Which operation would help solve for y?<br>3 + y = 27

jeyben [28]

Answer:

y =24

Step-by-step explanation:

very simple and direct, just combine the like terms and subtract 3 from 27

and that is the value of your y.

solution

3 + y = 27

y = 27 -3

y =24

4 0

2 years ago

A=1/2h(a+b) solve for b

vovangra [49]

Answer:

b=2A/h-a

Step-by-step explanation:

A=1/2h(a+b)

a+b=A/(1/2h)

a+b=A/(h/2)

a+b=(A/1)(2/h)

a+b=2A/h

b=2A/h-a

3 0

2 years ago

help!!!!!!!!!!!!!!!!!!!!!!!!!

Simora [160]

9²+15²=a²

a=square root of 306

3 0

2 years ago

The value of a car decreases $500 for every 1,000 miles it is driven. The current value of the car is $23,000, and the car is dr

Serjik [45]

18,000? im not 100% sure tho.

3 0

3 years ago

Saira is using the formula for the area of a circle to determine the value of .

klio [65]

For this problem, we just have to use the values we're given to calculate the approximate value of pi.

The formula presented is

$\pi=Ar^{-2}$

When you have a negative exponent, we can use the following property

$a^{-b}=\frac{1}{a^b}$

Using this property, our problem turns out to be

$\pi=\frac{A}{r^2}$

Now, we just need to plug the given values on this equation

$\pi=\frac{50.265}{4^2}=3.1415625\approx3.142$

The approximated value for pi is 3.142.

5 0

10 months ago