3 years ago

Use Mental Math to find the value of 15/124 x 230 / 30 ÷ 230 / 124

Mathematics

2 answers:

Gwar [14]3 years ago

7 0

The answer to this big equation is 0.5 hope this helped

aksik [14]3 years ago

6 0

it wold be this 0.000032518

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irina1246 [14]

$4^2\text{ }\times4^n=4^8$

Since both sides have the same base (4), we can add the exponents

$4^{5+n}=4^8$ $5+n=8$

subtract 5 from both sides:

$5+n-5=8-5$ $n=3$

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1 year ago

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sergij07 [2.7K]

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3 years ago

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jenyasd209 [6]

Answer:

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Step-by-step explanation:

here you have a vertical angle, so to simply put it the answer on one side of the angle is the same answer for the opposite side of the angle. knowing this, angle <AFE is 62° and <CFD is on the opposite side making the angle the same(62°). the opposite angle of <AFB is <EFD which is 118° but both <AFB and <AFC equal 118° so you subtract 118° to <AFC degree which is 28° and you get 90°.

i hope this makes sense im not good at explaining. if anyone has a better explanation feel free to correct me.

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3 years ago

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JulijaS [17]

Answer:

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3 years ago

What is 7 times the sum of a squared and b minus 4 times the sum of a squared and b

spayn [35]

The sum of a squared and b is given by
$a^2+b$

7 times the sum of a squared and b is given by
 $7(a^2+b)$
while 4 times the sum of a squared and b is given by
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Therefore, 7 times the sum of a squared and b minus 4 times the sum of a squared and b is given by

$7(a^2+b)-4(a^2+b)=3(a^2+b)$

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3 years ago