Is 4 over 6 greater or less than 12 over 12

1 answer:

8 0

To compare fractions with unlike denominators convert them to equivalent fractions with the same denominator. Compare fractions: If denominators are the same you can compare the numerators. The fraction with the bigger numerator is the larger fraction.

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Please someone do this for me

ss7ja [257]

Answer:

A = -12

Step-by-step explanation:

A put in -2 for 'x' in the equation to find value

2(-2) - y = 8 add 4 to both sides

-y = 12

y = -12

I think YOU can now find B and C with this method !

3 0

2 years ago

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becky rides her scooter to work. it takes her 40 minutes to go 3 miles. if she continues at the same rate, how long will it take

Alika [10]

15 miles is five times 3 miles.
It will take 40*5=200 minutes to go 15 miles.
200 minutes = 3+20/60 hours = 3hrs 20min

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4 years ago

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How do you find percentages?

mamaluj [8]

Answer:

25/100×52

1/4×52

1×13

Step-by-step explanation:

hope this helps you!!!

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3 years ago

What is the standard form of (2-4i)(3+5i) divided by (3+i)

jasenka [17]

First we need to simplify the numerator of the fraction

(2 - 4i)(3 + 5i)
= 6 +10i - 12i - 20i²
= 6 - 2i + 20
= 26 - 2i

So now the fraction becomes:

$\frac{26-2i}{3+i}$

In order to convert the fraction to standard form, we need to multiply and divide the fraction by the conjugate of the denominator as shown below:

$\frac{26-2i}{3+i}* \frac{3-i}{3-i} \\ \\ 
= \frac{78-26i-6i+2i^{2} }{9-i^{2} } \\ \\ 
= \frac{78-32i-2}{9+1} \\ \\ 
= \frac{76-32i}{10} \\ \\ 
= \frac{76}{10}- \frac{32i}{10} \\ \\ 
= \frac{38}{5}- \frac{16}{5}i$

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$150,000 equipment purchase with $36,000 in annual savings for 10 years. Is it worth the purchase?

In-s [12.5K]

Answer:

Step-by-step explanation:

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4 years ago