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alex41 [277]
3 years ago
15

Simple interest can be found by using the formula I= prt, where 1= interest, p=principle, r=rate, and t=time. Solve for principl

e in terms of rate, time and interest
Mathematics
1 answer:
sveta [45]3 years ago
4 0

I =PRT

solve for P

divide both sides by RT

I/RT = P

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Lynna [10]
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1. Add -1.4 to each side.
2. Divide by 0.7 on each side.

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Reena scored 25 marks out of 30 in Math test and 35 out of 42 in Science test. In which test has she scored better?
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2 years ago
nick drove at a rate of 60 mph for 2 2/3 hours. then he drove another 1 1/2 hours at a speed of 45 mph. how far did he travel?
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3 years ago
In a right triangle one leg measures a quarter of the other, how much do its acute angles measure? with procedure please​
KATRIN_1 [288]

Answer:

The answer to your question is 14° and 76°

Step-by-step explanation:

Data

leg 1 = x

leg 2 = x/4

angle 1 = ?

angle 2 = ?

Process

To solve problem use trigonometric functions. We must use the trigonometric function that relates both legs (tangent).

    tangent Ф = Opposite side / Adjacent side

-Substitution

    tan Ф = (x/4) / x

-Simplification

    tan Ф = x / 4x

    tan Ф = 1/4

-  Find Ф

     Ф = tan⁻¹(1/4) =  14°

- Find the other acute angle

  The sum of the internal angles in a triangles equals 180°

       Ф + Ф₁ + 90° = 180

-Solve for Ф₁

        Ф₁  = 180 - 90 - 14

-Result

        Ф₁ = 76°              

3 0
2 years ago
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