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3 years ago

Carl makes $18.50 for every two hours of work. How much does he make per hour?

Mathematics

1 answer:

KonstantinChe [14]3 years ago

6 0

Answer:

$9.25

Step-by-step explanation:

$18.50 divided by 2 equals $9.25.

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Leokris [45]

she went to 5 diffrent places sooooo yuh and this makes absolutly no sense

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2 years ago

What is the volume of this triangular pyramid?

valentina_108 [34]

Answer:

37.5 or 37 1/2

Step-by-step explanation:

You need to multiply length times width times height and then divide it by two.

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3 years ago

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What is the value of x in the figure Pls help

Murljashka [212]

Answer: x=18

im assuming that this is a right angle

so if it is then that means the total of the angle should be 90 degrees. so 2x+3x should be equal to 90. Just combine like terms to get that 5x=90 and then isolate the variable (divide by 5 on both sides) so x ends up equaling 18.

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3 years ago

Solve for x 6.78x - 5.2 = 4.33x + 2.15 HELPPP

Yuri [45]

Answer:

x = 3

Step-by-step explanation:

6.78x - 5.2 = 4.33x + 2.15

6.78x - 4.33x = 5.2 + 2.15

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x = 7.35/2.45

x = 3

Thus, The value of x is 3

-TheUnknownScientist

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3 years ago

Is the given function phi(x) = x^2 - x^-1 an explicit solution to the linear equation d^2y/dx^2 - 2/x^2 y = 0? Circle your answe

mart [117]

Answer:

Yes

Step-by-step explanation:

We are given that a function $\phi(x)=x^2-x^{-1}$

We have to find that given function is an explicit solution to the linear equation

$\frac{d^2y}{dx^2}-\frac{2}{x^2}y=0$

If given function is an explicit solution of given linear equation then it satisfied the given differential equation

Differentiate w.r.t x

Then we get $\phi'(x)=2x+x^{-2}$

Again differentiate w.r.t x

Then we get

$\phi''(x)=2-\frac{2}{x^3}$

Substitute all values in the given differential equation

$2-\frac{2}{x^3}-\frac{2}{x^2}(x^2-x^{-1})$

= $2-\frac{2}{x^3}-2+\frac{2}{x^3}=0$

Hence, given function is an explicit solution of given differential equation.

Therefore, answer is yes.

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3 years ago