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drek231 [11]
3 years ago
8

Which simplified fraction is equal to 0.53 (the 3 is repeating)

Mathematics
2 answers:
Anni [7]3 years ago
8 0
Answer: B
explanation: just divide 8/15
Cerrena [4.2K]3 years ago
6 0
<h3>Answer:  Choice B. 8/15</h3>

===========================================================

Explanation:

x = 0.53333333... the 3's go on forever

10x = 5.3333333..... we have infinitely many 3's here as well

100x = 53.333333..... same story

Each time we multiply both sides by 10, we move the decimal point over 1 spot to the right.

Focus on this system of equations

\begin{cases}100x = 53.33333\ldots\\\ \ \  10x = 5.333333\ldots\end{cases}

Note how the decimal points line up so we can see both right sides have the same 33333... pattern

If we subtract those equations straight down, the left hand side turns into 90x because 100x-10x = 90x

The right hand side terms subtract to 48. The infinite number of 3's after the decimal will cancel out when we subtract. So we basically have 53-5 = 48.

After those subtractions, we now have the new equation 90x = 48

Divide both sides by 90 and reduce

90x = 48

90x/90 = 48/90

x = 48/90

x = (6*8)/(6*15)

x = 8/15

8/15 = 0.53333333....

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In parallelogram PQRS, find the value of angle SPR if angle RSP is 75° and angle PRS is 39°.
Mazyrski [523]
The two angles given are two angles of a triangle, so the third angle must be:

SPR=180-RSP-PRS

SPR=66°
4 0
3 years ago
Barbara is deciding between Banquet Chefs and CeCe's Catering to cater an awards banquet. Barbara needs to choose the company th
zmey [24]

Answer:

In this scenario you should use chefs if you have less than 55 people and you should use cece's if you have more than 55 people.  

Step-by-step explanation:

To find out which one will be cheaper you need to know where they intersect, to do this you need to set up a system of equations.

y=28x+590 (chefs)

y=31x+425 (cece's)

to know where they intersect you need to make the y=0

28x+590=31x+425

Then solve

subtract the x from each side

590=3x+425

Subtract 425 from each side

3x=165

divide each side by three

x=55

now evaluate

Place a number above 55 (60 for example) into the place of x

28(60)+590=2,270

31(60)+425=2,285

In this scenario you should use chefs if you have less than 55 people and you should use cece's if you have more than 55 people.  

8 0
3 years ago
Given the similar triangles, find the value of X.
3241004551 [841]

Answer:

x = 15

Step-by-step explanation:

Since the triangles are similar we can find x using similarity ratio

14/8 = (x+6)/(x-3) simplify first expression

7/4 = (x+6)/(x-3) cross multiply expressions

7×(x-3) = 4×(x+6)

7x-21 = 4x + 24 add like terms

3x = 45

x = 15

3 0
2 years ago
Determine if the following events are independent.
Artemon [7]

Step-by-step explanation:

To determine if events are independent, one has to confirm if there's no relationship between the events.

Event A. Not shutting off the water in the kitchen sink.

Event B. Receiving a high water bill.

Both Events are related as Event B is proportional to Event A. This means they are not independent but rather dependent

5 0
2 years ago
Divide Rs 4800 in the ratio of 2:3.<br>plz solve it.​
Aliun [14]

Answer:960 2:3=1920:2880

Step-by-step explanation:what do you mean

do you mean do 4800/5 then that’s =960

FINAL ANSWER;

4800 divided by 5 =960

then 960x2=1920

finally 960x3=2880

8 0
3 years ago
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