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maks197457 [2]
3 years ago
6

Although the problem above may look really different or much harder than any equation we have solved before, guess what?! It’s n

ot! We still use the same properties to solve these kinds of equations. On the left side of the equation you have a fraction with a numerator of (4b+8) and a denominator of (2). The variable is in the numerator of the fraction so we will need to get rid of the denominator first. The numerator is being DIVIDED by the denominator so how do we undo division? We multiply!
Multiply both sides by the denominator, 2, and simplify.

(2)4b+82=10(2)

4b+8=

Now we have a simple two-step equation. Subtract 8 from both sides.

4b=

Lastly, divide both sides by 4 to isolate the variable.

b=

As always, we can check our work by plugging our answer back into our original equation.
Mathematics
1 answer:
defon3 years ago
7 0

Answer:

4b+8 = 20

---------------

4b = 20

-------------------

b = 5

Step-by-step explanation:

We need to solve for b in the following equation:

\frac{4b + 8}{2}  = 10

When we multiply each term by 2 the denominator cancels out:

\displaystyle 2 \times \frac{4b + 8}{2}  = 10 \times 2\\\\4b + 8 = 20

Next, we subtract 8:

4b +8 - 8 = 20 - 8\\4b = 20

Final step, we isolate the variable. We cancel the multiplication on the left side when dividing by 4 on each term

\displaystyle 4b = 20\\\\\frac{4b}{4} = \frac{20}{4}\\\\b = 5

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bearhunter [10]
This isn't a math question and should be in the science section. However, I will still answer the question. The answer is choice B.

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Here's a further breakdown

A. False. The radiation or energy from the sun can travel through air or else you wouldn't feel the sun's rays. Also, plant life wouldn't be alive without that energy going through the air.

B. True. The rays travel through a vacuum of space. If they couldn't travel through space, then the same problem comes up as in choice A: the issue of not feeling the sun's rays.

C. False. They rays have different frequencies. Because there are many wavelengths (see choice D below), this means there are different frequencies. Recall that f = 1/w where f is the frequency and w is the wavelength.

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So once again, the answer is choice B
6 0
3 years ago
Which of the c-values satisfy the following inequality? 2>c/3
tino4ka555 [31]

Answer:

\Large \boxed{{c

Step-by-step explanation:

2>c/3

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6>c

Switch sides.

c<6

8 0
3 years ago
Read 2 more answers
9m+14=2m How do I solve and check answer?
Lorico [155]
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8 0
3 years ago
Solve for x<br>8x - 20 4x + 32​
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Answer:

13

Step-by-step explanation:

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Step-by-step explanation:

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