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MA_775_DIABLO [31]
3 years ago
11

Which are the roots of the quadratic function f(q) = q^2 - 125? Select two options.

Mathematics
2 answers:
GalinKa [24]3 years ago
7 0
Q = 5/5 q= 3/5 zzzzzzzzzzzzzzzz
Ede4ka [16]3 years ago
7 0

Answer:

both 5's

Step-by-step explanation:

just took the test

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How do i find cos Z
maxonik [38]

Step-by-step explanation:

The cosine function, along with sine and tangent, is one of the three most common trigonometric functions. In any right triangle, the cosine of an angle is the length of the adjacent side (A) divided by the length of the hypotenuse (H). In a formula, it is written simply as 'cos'.

In any right angled triangle, for any angle:

The sine of the angle = the length of the opposite side

                                  the length of the hypotenuse

The cosine of the angle = the length of the adjacent side

                                     the length of the hypotenuse

The tangent of the angle = the length of the opposite side

                                     the length of the adjacent side

So in shorthand notation:

sin = o/h   cos = a/h   tan = o/a

Often remembered by: soh cah toa

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=2%284%29%28%20%5Cfrac%7B1%7D%7B16%7D%20%29%20%3D%20" id="TexFormula1" title="2(4)( \frac{1}{16
Radda [10]

Answer:

0.5

Step-by-step explanation:

2*4*\frac 1 {16}\\8 / 16\\0.5

Hope this helped :)

7 0
3 years ago
Need some help please
denis23 [38]
The median of this problem is 84
5 0
2 years ago
Read 2 more answers
If a rectangle is altered by increasing its length by 20 percent and its width by 10 percent, its area increases by a percent. W
aleksklad [387]

Answer:

D

Step-by-step explanation:

Remember that the formula for the area of a rectangle is:

A=lw

Where l is the our length and w is our width.

If we increase our length by 20%, this means that we add 20% or 0.2 of our old length to our old length. So, our new length will be:

l_{new}=l+.2l

Combine like terms:

l_{new}=1.2l

Similarly, if we increase our width by 10%, this means that we add 10% or 0.1 of our old width to our old width. So, our new width is:

w_{new}=0.1w+w

Combine like terms:

w_{new}=1.1w

Therefore, our new area will be:

A_{new}=(l_{new})(w_{new})

Substitute 1.2l and 1.1w. This yields:

A_{new}=1.2l(1.1w)

Multiply:

A_{new}=1.32lw

Our old area is:

A_{old}=lw

So, our area increased by a factor of 1.32.

This is the same as 32% of our old area.

So, our answer is D.

And we're done!

5 0
3 years ago
What is the average rate of change of f(x) from x = -2 to x= 2?<br><br><br><br><br><br>​
Serga [27]

Answer:

Below.

Step-by-step explanation:

The difference of the f(x) values divided by the difference in the corresponding x values.

That would be (f(2) - f(-2)) / (2 - (-2))

6 0
3 years ago
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