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3 years ago

13

Please help!!!!!!!!!!

2 answers:

lukranit [14]3 years ago

5 0

Answer:

Positive

Step-by-step explanation:

tensa zangetsu [6.8K]3 years ago

5 0

Positive
Do do do ba do

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Solve using the quadratic formula

myrzilka [38]

Answer:

w = $3\sqrt{2}$ or w = $-3\sqrt{2}$

Step-by-step explanation:

5w^2 - 90 = 0

5w^2 + 0w - 90 = 0

aw^2 + bw + c = 0 ----> a = 5, b = 0, c = -90

$w = \frac{-b +- \sqrt{b^{2} - 4ac} }{2a}$

$w = \frac{-0 +- \sqrt{0^{2} - 4(5)(-90)} }{2(5)}$

$w = \frac{-0 +- \sqrt{0 + 1800}} {10}$

$w = \frac{0 +- \sqrt{1800}}{10}$

$w = \frac{0 + \sqrt{1800} }{10}$ or $w = \frac{0 - \sqrt{1800}}{10}$

$w = \frac{30\sqrt{2} }{10}$ or $w = \frac{-30\sqrt{2}} {10}$

$w = 3\sqrt{2}$ or $w = - 3\sqrt{2}$

Hope this helps!

8 0

3 years ago

8x - 1 1/7 (1 1/3x - 12) Help pls.

poizon [28]

Answer:

= 47/21<em>x</em> + 132/7

hope this helps!

Step-by-step explanation:

4 0

3 years ago

What is the rate of change for the linear function f(x)=-2x-5 over any interval?

julia-pushkina [17]

To solve this problem you must apply the proccedure shown below:

1. By definition, the rate of change of a linear function is the slope of the line and it is constant. Based on this, you must find the slope of the given function.

2. You have the equation of the line has the following form:

$y=mx+b$

Where $m$ is the slope and $b$ is the y-intercept.

3. Then, you have that the slope of the function $f(x)=-2x-5$ is:

$m=-2$

Therefore, the answer is: $-2$

5 0

3 years ago

using the square root property and the principle root, we can take the square root of both sides to get

Alchen [17]

<span><span><span>x = ± 2</span></span><span><span>Then the solution is </span><span>x = ± 2</span></span><span><span>hope this helps</span></span></span>

4 0

4 years ago

What is the mean absolute deviation of the following set of data?<br> 10,4,12,4,2,10,10,6

WITCHER [35]

Answer:

4 and 2

Step-by-step explanation:

10,4,12,4,2,10,10,6

4 and 2

4+2=8

8/8=1

5 0

3 years ago

Read 2 more answers