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3 years ago

Do the ratio 4/15 and 16/75 form a proportion

Mathematics

1 answer:

andre [41]3 years ago

4 0

No, they do not. A ratio that would form a proportion with 4/15 would be 16/60. Hope this helps!

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I think it's A. 32.0

Step-by-step explanation:

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3 years ago

A particular plant root grows 2.5 inches per month. How many centimeters is the plant root growing per month? (1 inch = 2.54 cen

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Isaac downloaded 7 ringtones. Each polyphonic ringtone costs $3.25, and each standard ringtone costs $1.50. If he spends a total

anzhelika [568]

Answer:

$6\ polyphonic\ ringtones$ and $1\ standard\ ringtone$

Step-by-step explanation:

Let

x -----> the number of polyphonic ringtones

y ----> the number of standard ringtones

we know that

$x+y=7$

$x=7-y$ -----> equation A

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Solve the system of equations by substitution

Substitute equation A in equation B and solve for y

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$3.25y-1.50y=22.75-21$

$1.75y=1.75$

$y=1\ standard\ ringtones$

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$x=7-1=6\ polyphonic\ ringtones$

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3 years ago

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Answer:

The problem is 5 × 2/3 so

Billy paycheck every week was 2/3 a dollar which is approximately 66 cents but one day he did fantastic and got a raise and the raise was 5 times his last paycheck how much money is Billy new paycheck? So we do 5 × 2/3 and that equals 10/3, or 3 1/3, or 3 dollars and 30 cents.

Step-by-step explanation:

just copy and paste it.

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