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2 years ago

3/4

Mathematics

1 answer:

Rudiy272 years ago

8 0

Answer:

1.25 serving(s)?

Step-by-step explanation:

3/4 is a serving yes?

if you add the 1/4, than you get a cup getting 1 1/4 a serving

i changed the 1/4 to .25 because it makes more sense

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What's the slope of the equation y=-3/5x+4?

pentagon [3]

Answer:

the slope is 3/5

Step-by-step explanation:

and if you want the y intercept it's 4

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2 years ago

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Anne earned $3 an hour baby-sitting, and $4 an hour working in the garden. Last week she did baby-sitting for 5 hours and garden

Dmitry_Shevchenko [17]

She needs 8 more dollars.
if you multiply 3 times 5 equals 15
and 4 times 3 equals 12
then add that which is 27
35 minus 27 is 8.

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2 years ago

When two computers are working together, they can finish updating software in 9 minutes. How long would they take individually t

tensa zangetsu [6.8K]

First computer takes x min. For 1 min it does 1/x part of work.

Second computer takes (x+24) min. For one min it does 1/(x+24) part of work.

Both computers for one min do (1/x+1/(x+24)) part of work.

At the same time, both computers for one min do 1/9 part of work.

$\frac{1}{x} + \frac{1}{x+24} = \frac{1}{9} 
\\ \\ \frac{x+24+x}{x(x+24)} = \frac{1}{9} 
\\ \\9(2x+24)=x^{2} +24x
\\ \\ 18x+216=x^{2} +24x
\\ \\ x^{2}+6x-216=0
\\ \\ D=b^{2}-4ac=36+4*216 = 900
\\ \\ x= \frac{-b+/- \sqrt{D} }{2a} = \frac{-6+/-30}{2} 
\\ \\ x_{1}=-18, x_{2}=12

We can use only positive number here. So, 

for the first computer x=12 min,

 for second computer x+24=12+24= 36 min

Answer 12 min and 36 min.$

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3 years ago

ANYONE KNOW THE ANSWER??

ZanzabumX [31]

Answer:

Not a Conic Section

Step-by-step explanation:

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2 years ago

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Find the values of x and y

Aloiza [94]

Answer:

x = 9.2

y = 5.5

Step-by-step explanation:

y/5 = 6/y

y^2 = 30

y = 5.5

x/5 = 17/x

x^2 = 85

x = 9.2

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3 years ago