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Masteriza [31]
3 years ago
14

What is .83 repeating as a percent

Mathematics
1 answer:
sattari [20]3 years ago
3 0
83.33333333333333333333%
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What is the sum? StartFraction 3 y Over y squared + 7 y + 10 EndFraction + StartFraction 2 Over y + 2 EndFraction
katovenus [111]

Answer:

\dfrac{5}{y+5}

Step-by-step explanation:

Here, we have to find the sum of 2 fractions:

1st fraction: \dfrac{3y}{y^{2}+7y+10}

2nd fraction: \dfrac{2}{y+2}

Considering the denominator of 1st fraction:

y^{2}+7y+10

Using factorization method:

7y can be written as (2y + 5y).

\Rightarrow y^{2}+2y+5y+10

Taking <em>5 common</em> from 5y+10 and <em>y common</em> from y^{2}+2y: \Rightarrow y(y+2)+5(y+2)

Now taking (y+2) common:

\Rightarrow (y+5)(y+2)

\dfrac{3y}{y^{2}+7y+10} can be written as \dfrac{3y}{(y+5)(y+2)}

Now, calculating the sum:

\dfrac{2y}{(y+5)(y+2)} + \dfrac{2}{y+2}

Taking <em>LCM</em> and solving:

\Rightarrow \dfrac{3y+2(y+5)}{(y+5)(y+2)}\\\Rightarrow \dfrac{5y+10}{(y+5)(y+2)}\\\Rightarrow \dfrac{5(y+2)}{(y+5)(y+2)}\\\Rightarrow \dfrac{5}{(y+5)}

Hence, answer is \dfrac{5}{y+5}.

4 0
3 years ago
The formula for a volume of a cylinder is V= pi r squared h/3. solve the equation for h, or height. PLZ help ASAP
Diano4ka-milaya [45]

Answer:

h=3V/πr²

Step-by-step explanation:

  • V= πr²h/3
  • πr²h=3V
  • h=3V/πr²
8 0
3 years ago
Read 2 more answers
Given that KD is congruent to AT prove that angle K is congruent to angle T
Mademuasel [1]

KD is congruent to AT as:

<h3>angles are of equal measure</h3><h3>sides KD and TA are equal</h3><h3>sides DT and KA are equal</h3>

The figure is kite as has two pairs of same sides.

<h3>They are constructed in a way of having same angle.</h3>
7 0
2 years ago
There is a string of red and blue lights strung around a window. The red lights blink every 3 seconds , and the blue lights blin
Eddi Din [679]

Answer:

they will  blink 4 times  at the same time in one minute

Step-by-step explanation:

you have to find the least common multiple of 5 and 3

LCM of 5,3 = 15

So, the two lights will blink together every 15 seconds.

No.of times blinking together in one minute = 60/15 = 4

4 0
3 years ago
Read 2 more answers
PLEASE HELP! but pleassseee don't answer if you just want the points I'll report you. It's really simple I'm just REALLY not sma
AysviL [449]

Answer:

A) 15x+9x

B) you have to graph

C)yes, all she wants to do is make 90 bucks she can totally do more if she wants

D) you can choose

Step-by-step explanation:

15*12 & 9*12

3 0
3 years ago
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