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3 years ago

When a number is decreased by 4%, the result is 93. What is the original number

Mathematics

1 answer:

romanna [79]3 years ago

7 0

Answer:

The original number is 96.875

Step-by-step explanation:

Let's find the original number using the Direct Rule of Three, this way:

Percentage Number

100 x

96 93

***********************************************

96x = 93 * 100

96x = 9,300

x = 9,300/96

x = 96.875

The original number is 96.875

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Which ordered pairs are solutions to the inequality 2x y>−42x y>−4? select each correct answer. (4, −12) (5, −12) (0, 1) (

andreyandreev [35.5K]

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3 years ago

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2 years ago

A line contains the points (4,5) and (3, -9). Write the equation of the line using point-slope form.

neonofarm [45]

Answer:

Step-by-step explanation:

original formula is: y - y1 = m (x - x1) ordinates= (x1, y1)

insert the a corresponding x and y coordinate:

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Don't forget to change the signs depending on whether their positive or negative:

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3 years ago

Solve the initial value problem y'=2 cos 2x/(3+2y),y(0)=−1 and determine where the solution attains its maximum value.

zloy xaker [14]

Answer:

$y=\frac{-3\pm\sqrt{4sin2x+1}}{2}$

$x={\pi}{4}$

Step-by-step explanation:

We are given that

$y'=\frac{2cos2x}{3+2y}$

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$sin0=0$

Substitute the value of C

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$y^2+3y-sin 2x+2=0$

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By using quadratic formula

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

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When the solution is maximum then y'=0

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alexandr1967 [171]

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