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Helga [31]
3 years ago
13

Wx+yz=bc , solve for z .

Mathematics
2 answers:
Aleksandr-060686 [28]3 years ago
8 0
Wx+yz=bc
minus wx on both sides
yz=bc-wx
dividing 'y' on both sides
Hence,
z=(bc-wx)/y
Here is what you need.
Hope it helped
Blababa [14]3 years ago
7 0

Answer:

The solution for the provided equation for z is z=\frac{bc-wx}{y}.

Step-by-step explanation:

Consider the provided equation.

wx+yz=bc

We need to solve the above equation for z.

Subtract both the side by wx.

wx+yz-wz=bc-wx

yz=bc-wx

Now isolate the variable z by dividing both side with y.

\frac{yz}{y}=\frac{bc-wx}{y}

z=\frac{bc-wx}{y}

Hence, the solution for the provided equation for z is z=\frac{bc-wx}{y}.

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What is the value of x?
Sati [7]

Answer:

B. 28

Step-by-step explanation:

35^2-21^2=784

Square root of 784= 28 : )

5 0
3 years ago
Can you help me i don’t know the answers
Advocard [28]
1)

An irrational number is a number that a) can't be written as a fraction of two whole numbers AND b) is an infinite decimal without any sort of pattern.

For the first answer choice, clearly \frac{1}{3} does not pass the first criterion so we look at the second choice.

Let's come back to \sqrt{2} and \pi.

\frac{2}{9} doesn't meet our first criterion, and let's skip \sqrt{3} for now.

It is often easier to disprove an irrational number than to prove one. There are a few famous irrationals to know (although there is an infinite number of irrationals). The most common are \sqrt{2},  \pi, e,  \sqrt{3}. For now, it's just helpful to know these and recognize them.

So we can check off \sqrt{2},  \pi and \sqrt{3}.

2) 

For this next question, we know that \sqrt{64} = 8. Clearly this isn't irrational. Likewise, \frac{1}{2} isn't irrational. \frac{16}{4} =  \frac{4}{4} = 1, which is rational, leaving only \frac{ \sqrt{20}}{5} =  \frac{2 \sqrt{5} }{5}. By process of elimination, this is the correct answer. Indeed, \sqrt{5} is an irrational number.

3) This notation means that we have 0.3636363636... and so on, to an infinite number of digits. It is called a repeating decimal.

But it can be written as a fraction because its pattern repeats, unlike for an irrational number.

Let's say x=0.36363636.... Would you agree that 100x=36.36363636...? (We choose to multiply by 100 because there are two decimals that repeat. For 1, choose 10, for 3 choose 1,000, and so on.)

Now, let's subtract x from 100x and solve.

100x=36.36363636\\-x \ \ \ \ \ \ \ -0.36363636\\99x=36\\\\x= \dfrac{36}{99}= \dfrac{4}{11}

Voila!
4 0
3 years ago
Read 2 more answers
Ok i need yall help please <br> 15=x+23-2x
Elena L [17]
X = 8 and yeah that’s all

4 0
3 years ago
BRAINLIEST!!! BRAINLIEST!!! BRAINLiEST!!! PLEASE HELP ME WITH THIS QUESTION AND IF IT'S CORRECT I WILL DEFINITELY GIVE YOU THE B
lora16 [44]

Answer:

161 cm

Step-by-step explanation:

Since 115 cm is 5 boxes, we take 115 and divide it by 5. This will get us the cm of 1 box. 115/5=23

Now we take 23 and multiply it by 7 to get the final height. 23x7=161

5 0
3 years ago
A mirror frame in the shape of an oval is shown below. The ends of the frame form semicircles:
Volgvan

Answer:

abcdefghijklmnopqrstuvwxyz

Step-by-step explanation:

4 0
2 years ago
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