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Sidana [21]
3 years ago
15

Fide f (-4) evaluate the function

Mathematics
1 answer:
Tems11 [23]3 years ago
3 0
<h3>Solution:</h3>

f(x) =  { - x}^{2}  - 10 \\  =  > f( - 4) =  - ( - 4)^{2}  - 10 \\  =   - 16 - 10 \\  =  - 26

<h3>Answer:</h3>

The answer is -26.

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mojhsa [17]
If one cup of vinegar with 1 gallon of water to make a cleaning solution. The ratio of vinegar to water is 1 to 16. Question: How many cups of water should be mixed with 1/4 cup of vinegar to make the cleaning solutionRatio, formula and solutions:=> ratio of vinegar is to water = 1 : 16now, there's a 1/4 cup of vinegar, how much water will we need to be able to make a cleaning solutions.=> 16 / 4 <span>=> 1/4 : 4 or .25 : 4 </span>
8 0
3 years ago
Name the lengths of the sides of three rectangles with perimeters of 12 units. use only whole numbers
disa [49]


3x4=12      1x12=12       6x2=12   

You just need to be able to multiply the sides to equal 12. I hope that helps. :)

4 0
3 years ago
Use (pemdas) what is 3 x 7 - 25 / 5 write 3 steps
Reil [10]

Answer:

16

Step-by-step explanation:

step 1: 3 x 7 = 21

so you're left with this 21-25/5

step 2: 25/5=5

left with 21-5

step 3: 21-5=16

16 should be the right answer, sorry if i'm wrong

3 0
3 years ago
Read 2 more answers
When the velocity v of an object is very​ large, the magnitude of the force due to air resistance is proportional to v squared w
Sati [7]

Answer:

Step-by-step explanation:

The model fo the shell is given by the following equation of equilibrium:

\Sigma F = -b\cdot v^{2} - m\cdot g = m\cdot \frac{dv}{dt}

This first-order differential equation has separable variables, which are cleared herein:

\int\limits^t_{0\,s} \, dt = -\frac{m}{b} \int\limits^{0\,\frac{m}{s} }_{600\,\frac{m}{s} } {\frac{1}{ v^{2}+\frac{m}{b}\cdot g } } \, dv

The solution of this integral is:

t = -\frac{m}{2b}\cdot \left[\tan^{-1} \left(\frac{v}{\sqrt{\frac{m\cdot g}{b} } }\right) - \tan^{-1} \left(\frac{600}{\sqrt{\frac{m\cdot g}{b} } }\right)\right]

\tan^{-1} \left(\frac{v}{\sqrt{\frac{m\cdot g}{b} } }  \right)=-\frac{2\cdot b\cdot t}{m} + \tan^{-1}\left(\frac{600}{\sqrt{\frac{m\cdot g}{b} } }  \right)

\frac{v}{\sqrt{\frac{m\cdot g}{b} } }=\tan \left[-\frac{2\cdot b\cdot t}{m} + \tan^{-1}\left(\frac{600}{\sqrt{\frac{m\cdot g}{b} } }  \right)\right]

v = \sqrt{\frac{m\cdot g}{b} } \left [\frac{\tan \left(-\frac{2\cdot b \cdot t}{m}  \right)+ \left(\frac{600}{\sqrt{\frac{m\cdot g}{b} } }  \right)}{1 - \left(\frac{600}{\sqrt{\frac{m\cdot g}{b} } }  \right)\cdot \tan \left(-\frac{2\cdot b \cdot t}{m}  \right) }\right]

4 0
3 years ago
Evaluate:<br> -48 + 9 - 18<br> Ik what the answer is <br> I will just give you hella points
IceJOKER [234]

Answer: -57

Step-by-step explanation: -48 + (9 - 18) -48 + -9 = -57

3 0
3 years ago
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