2 years ago

How to solve Ln x = 0.25x

1 answer:

6 0

Let's solve your equation step-by-step.
x
=
0.25
x
Step 1: Subtract 0.25x from both sides.
x
−
0.25
x
=
0.25
x
−
0.25
x
0.75
x
=
0
Step 2: Divide both sides by 0.75.
0.75
x
0.75
=
0
0.75
x
=
0
Answer:
x
=
0

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Assume that y varies directly with x. If y=−4 when x=2, find y when x=−6. Enter in any fractions using a / (e.g. "1/2" is the sa

Inessa05 [86]

Answer: 12

Step-by-step explanation:

This is a direct proportion and we use the formula:

y = kx

If y = −4 when x=2, we need to find the constant of proportionality. This will be:

y = kx

-4 = 2k

k = -4/2

k = -2

To find y when x=−6 guess this:

y = kx

y = -2 × -6

y = 12

8 0

2 years ago

Find how many yard are in 1 mild. A mile is 5280 feet, a yard is 3 feet

siniylev [52]

Answer: 1760

<u>Step-by-step explanation:</u>

$\dfrac{5280\ feet}{1\ mile}\times \dfrac{1\ yard}{3\ feet}\quad =\dfrac{5280\ yard}{3\ feet}\quad =\large\boxed{1760\ yard\ per\ mile}$

6 0

3 years ago

A sports ball has a diameter of 12 cm. Find the volume of the ball.

stealth61 [152]

Step 1: I drew a visual representation

Step 2: write the formulae for the volume of a sphere which is V=4*PI*r cubed all divided by 3. Refer to my image

Step 3: answer is 7234.56 cm cubed