All categories

3 years ago

How do I find the angle of something

1 answer:

7 0

Ok, so think of a house. The sides and the floor meet up and forms a right angle, at 90 degrees. Now think about the gaps in a protractor (the piece of plastic that measures angles). The gaps corner is an acute angle, about 75 degrees.

To find the angle of something, you need to look at were the objects corners are, and if needed, use a device to measure the angle.

You might be interested in

Evaluate 9.5s +8.7t when s= 3 and t = 4

Arturiano [62]

The answer is 63.3

9.5 * 3 + 8.7 * 4 = 63.3

3 0

2 years ago

Graph the piecewise function??

Alik [6]

Check the picture below.

notice, the dashed line is the "continuation" of the graph, however, for the constraints in the piece-wise, is excluded.

3 0

3 years ago

Evaluate the function. h(x) = x2 – 5x; find f(4).

Reika [66]

If you mean h(4)
h(4)=(4)*2 -5(4)
=8-20
=-12
The answer will be-12

8 0

3 years ago

Determine the domain of the graph

ss7ja [257]

Answer:

The answer is B

Step-by-step explanation:

Graph goes positive infinitily,

but is inclusive of -4 and up.

7 0

3 years ago

A large tank is filled to capacity with 600 gallons of pure water. brine containing 4 pounds of salt per gallon is pumped into t

nignag [31]

If $A(t)$ is the amount of salt in the tank at time $t$ , then the rate at which the amount of salt in the tank changes is given by

$\dfrac{\mathrm dA(t)}{\mathrm dt}=\dfrac{4\text{ lbs}}{1\text{ gal}}\dfrac{6\text{ gal}}{1\text{ min}}-\dfrac{A(t)\text{ lbs}}{600\text{ gal}}\dfrac{6\text{ gal}}{1\text{ min}}$
$\dfrac{\mathrm dA}{\mathrm dt}=24\dfrac{\text{lb}}{\text{min}}-\dfrac{A(t)}{100}\dfrac{\text{lb}}{\text{min}}$

Let's drop the units for now. We have

$\dfrac{\mathrm dA(t)}{\mathrm dt}+\dfrac{A(t)}{100}=24$
$e^{t/100}\dfrac{\mathrm dA(t)}{\mathrm dt}+e^{t/100}\dfrac{A(t)}{100}=24e^{t/100}$
$\dfrac{\mathrm d}{\mathrm dt}\left[e^{t/100}A(t)\right]=24e^{t/100}$
$e^{t/100}A(t)=\displaystyle24\int e^{t/100}\,\mathrm dt$
$e^{t/100}A(t)=2400e^{t/100}+C$
$A(t)=2400+Ce^{-t/100}$

We're given that the water is pure at the start, so $A(0)=0$ , giving

$A(0)=0=2400+Ce^{-0/100}\implies C=-2400$

So the amount of salt in the tank (in lbs) at time $t$ is

$A(t)=2400\left(1-e^{-t/100}\right)$

4 0

2 years ago

How do I find the angle of something￼

How do I find the angle of something