Which problem can be solved using this inequality? x + 5 ≤ 20

Mathematics

2 answers:

kondor19780726 [428]2 years ago

5 0

Bob has marbles. He has a chance to get more.

Make an inequality that shows how many marbles Bob can get if he already has 5 and cannot exceed 21? (meaning he can have 20)

I tried. It should be right though! ^-^

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Fed [463]2 years ago

3 0

Answer:

Beth is purchasing school supplies. She knows that the price for her pencil case is $5. She only has $20 to spend. What is the most amount of money she can spend on the remaining supplies?

Step-by-step explanation:

20 dollars is the whole value of the right side of the inequality that is greater or equal to x+5

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Here is the next one jaded :))

Ksju [112]

Answer:

x = 5.56

Step-by-step explanation:

Sin(17) = $\frac{x}{19}$

=> Isolate the "x"

Sin(17) * 19 = x

5.56 = x

Hope this helps!

6 0

3 years ago

How are percent transmittance and absorbance related algebraically?

statuscvo [17]

Answer:

So, if all the light passes through a solution without any absorption, then absorbance is zero, and percent transmittance is 100%. If all the light is absorbed, then percent transmittance is zero, and absorption is infinite.

Absorbance is the inverse of transmittance so,

A = 1/T

Beer's law (sometimes called the Beer-Lambert law) states that the absorbance is proportional to the path length, b, through the sample and the concentration of the absorbing species, c:

A ∝ b · c

As Transmittance, $T =\dfrac{P}{P_0}$