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3 years ago

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>

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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