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Kamila [148]
3 years ago
5

14/28 as a ratio a decimal and a percent

Mathematics
2 answers:
Lena [83]3 years ago
7 0

14/28

Ratio: 1:2

Decimal: 0.5

Percent: 50%

Sergeeva-Olga [200]3 years ago
5 0
\frac{14}{28} is our fraction, which is not in lowest form, and therefore can be reduced. We can divide both numerator and denominator by 2, and we end up with 

\frac{7}{14}

7 goes into 14 twice, so we can reduce it further to become

\frac{1}{2}

To convert a fraction to a ratio, you just need to turn it on its side and make the | into a : So it would look like this:

1:2

1 / 2 = 0.5

<span>0.5 is the fraction in decimal form

To find a percentage, you just need to multiply the decimal by 100.

0.5 in percentage form would be 50%

Hope that helped =)
</span>
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Svetlanka [38]

Answer:

a)z1 +z2 =z2 + z1 ...proved.

b) z1 + ( z2+ z3 )=(z1+z2)+z3 ... proved.

Step-by-step explanation:

It is given that there are three vectors z1 = a1 + ib1, z2 = a2 + ib2 and z3 = a3 + ib3. Now, we have to prove (a) z1 + z2 = z2 + z1 and (b) z1 + (z2 +z3) = (z1 + z2) + z3.

(a) z1 + z2 = (a1 +ib1) + (a2+ ib2) = (a1 +a2) + i(b1 +b2) {Adding the real and imaginary parts separately}

Again, z2 + z1 =(a2 +ib2) + (a1 +ib1) = (a2 +a1) + i(b2 +b1) {Adding the real and imaginary parts separately}

Hence, z1 +z2 =z2 + z1 {Since, (a1 +a2) = (a2 +a1) and (b1 +b2) = (b2 +b1)}

(b) z1 + ( z2+ z3 ) = [a1 + ib1] + [(a2 + a3 ) + i(b2 + b3 )] = ( a1 + a2 + a3) + i( b1+ b2+b3) {Adding the real and imaginary parts separately}

Again, (z1+z2)+z3 = [(a1+a2) +i(b1+b2)]+[a3+ib3] = ( a1 + a2 + a3) + i( b1+ b2+b3) {Adding the real and imaginary parts separately}

Hence, z1 + ( z2+ z3 )=(z1+z2)+z3 proved.

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3 years ago
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jenyasd209 [6]

Answer: The answer is 8.8

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2 years ago
How to solve this. I am very confused.
sergiy2304 [10]

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3 / -3

-1

Hope this helps!! :)

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S_A_V [24]

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