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elena-s [515]
3 years ago
12

Oliver and Peter had the same length of string. Oliver used 3/4 of his string to tie a bundle of newspaper. Peter used 6/8 of hi

s string to tie a bundle of magazines. Did they use the same amount of string.
Mathematics
1 answer:
solmaris [256]3 years ago
7 0

Answer:

Yes they did.

Step-by-step explanation:

So you have the fraction 3/4 and 6/8. If you divide the fraction 6/8 by 2 you will get 3/4 since 6/8 is an unsimplifed form of 3/4.

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Blababa [14]

Answer:

(0,-5) and (-4,3)

Step-by-step explanation:

The given equations are

\left \{ {{x^2+y^2=25} \atop {2x+y=-5}} \right.

Make y the subject in the second equation;

y=-2x-5

Substitute into the first equation;

x^2+(-2x-5)^2=25

Expand:

x^2+4x^2+20x+25=25

x^2+4x^2+20x+25-25=0

5x^2+20x=0

5x(x+4)=0

\Rightarrow x=0,x=-4

When x=0,

y=-2(0)-5=-5

This gives; (0,-5)

When x=-4

y=-2(-4)-5=3

This gives (-4,3)

7 0
3 years ago
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During one week, David worked 16 hours at his normal hourly rate and
asambeis [7]

Answer:

43.49

Step-by-step explanation:

let his normal hourly rate be x

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BC is 8.7 
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If one coin is flipped and then a second coin is flipped, what is the probability that both coins turn up tails?
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