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Anni [7]
3 years ago
6

Solve x^2=28 where x is a real number

Mathematics
1 answer:
Vadim26 [7]3 years ago
7 0
5.291 to 2 d.p I think that is the answer.
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Solve for x. −5(x−4)=−30
Readme [11.4K]
Let's solve your equation step-by-step.<span><span>−<span>5<span>(<span>x−4</span>)</span></span></span>=<span>−<span>30

</span></span></span>Step 1: Simplify both sides of the equation.<span><span>−<span>5<span>(<span>x−4</span>)</span></span></span>=<span>−30</span></span>
<span>Simplify: (Show steps)</span><span><span><span>−<span>5x</span></span>+20</span>=<span>−<span>30

</span></span></span>Step 2: Subtract 20 from both sides.<span><span><span><span>−<span>5x</span></span>+20</span>−20</span>=<span><span>−30</span>−20</span></span><span><span>−<span>5x</span></span>=<span>−<span>50

</span></span></span>Step 3: Divide both sides by -5.<span><span><span>−<span>5x</span></span><span>−5</span></span>=<span><span>−50</span><span>−5</span></span></span><span>x=<span>10

</span></span>Answer:<span>x=<span>10</span></span>
8 0
3 years ago
Read 2 more answers
About 2,200 years ago, one of the most famous mathematicians in history made a major discovery. The mathematician was Archimedes
cupoosta [38]
I am looking for the same answer if anyone knows it
8 0
4 years ago
Find the sin in the triangle
Ierofanga [76]

Answer:

.324 or 18.9 degrees

Step-by-step explanation:

rule is

sine equals opposite over hypotenuse,

cosine equals adjacent over hypotenuse, and

tangent equals opposite over adjacent

OR

soh cah toa

sine = soh = 12/37 = .324

arcsin(.324) or sin^-1(.324) in DEGREES not radians =

18.9 degrees

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The Denver Post reported that, on average, a large shopping center had an incident of shoplifting caught by security 2.3 times e
bezimeni [28]

Answer:

9 hours

Step-by-step explanation:

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3 years ago
Assume y=x²+3x+6. what is the avg rate of change of y with respect to x as x changes from -4 to -2
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The average rate of change is 3
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3 years ago
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