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Brilliant_brown [7]
3 years ago
9

Divide 15 in the ratio 3:2

Mathematics
1 answer:
STatiana [176]3 years ago
7 0
One way of approaching this would be to add up 3 and 2, obtaining 5, and then multiplying 15 by 3/5:

15(3/5) = 9

Then write and solve the equation of ratios:

3        9
-- = ------
2         x

Then 3x=18, and x=6.  Thus, 15 divides into 9 and 6, which has the ratio 3:2.
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Fourteen is the correct answer
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Three times the sum of a number and seven is two less than five times the number
damaskus [11]
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3 years ago
The sales tax rate in New Mexico is $5.125%.
madreJ [45]

Answer:

<em>The tax is $1.54 and the price after tax is $31.54</em>

Step-by-step explanation:

<u>Percentages</u>

The procedure to add a percentage ratio p to a given quantity q is:

* Calculate the increase as i = p*q/100

* Add the increase to the original quantity to get the final quantity f=q + i

It's given the sales tax rate in New Mexico is p=5.125%. A pair of pants in New Mexico costs q=$30 before tax.

* The increase (tax) is i = (5.125*30)/100 = $1.54

* The price after tax is f = $30 + $1.54 = $31.54

The tax is $1.54 and the price after tax is $31.54

6 0
3 years ago
The Fahrenheit and Celsius scales are related by the equation F=9/5C+32. What temperature is equal to a body temperature of 98.6
____ [38]

\textbf{Substitute\ in\ the\ equation}

\displaystyle 98.6 = \frac{9C}{5} +32

\textbf{Solve\ for\ }C

\displaystyle 66.6 = \frac{9C}{5}

333=9C

\large C=\textbf{37 \textdegree C}

7 0
2 years ago
Please help this seems impossible.
MatroZZZ [7]

Answer:

hlo XD

no its not looking difficult

it is difficult

6 0
3 years ago
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