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ch4aika [34]
3 years ago
15

What inequality is 1/2x - 5 > -7

Mathematics
1 answer:
Sveta_85 [38]3 years ago
3 0
Hi Joseph2337

x/2 - 5 > - 7
x/2 > -7 + 5
x/2 > -2
x > -2 * 2
Lastly multiply 2 * 2 so it can be 4.

Answer: x > -4
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Go to symbolab.com, online calculator, so good trust me

Step-by-step explanation:

4 0
3 years ago
The graph of f(x) is shown. For what values of X does f(x)= 0
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Answer:

-3, -1, 1

Step-by-step explanation:

The values of x when f(x) = 0 are the points on the graph when the curve intercepts the x-axis.

From inspection of the graph, the curve intercepts the x-axis at

x = -3,  x = -1  and  x = 1

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A water tanker filled up to 2/3 of its height is moving with a uniform speed. On certain application of the great, the water in
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8 0
3 years ago
Uncle Drew scored 28 points in 5 5/6 end fraction minutes during a game of basketball. How many points did he average per minute
8090 [49]

Answer:

Ok so I think the answer is 4.8 points per minute

Step-by-step explanation:

Why because Uncle Drew scored 28 points in 5 \frac{5}{6} minutes. We have to convert the mixed fraction first:

t = 5 \frac{5}{6}=\frac{5\cdot 6+5}{6}=\frac{35}{6}

So, the time is 35/6 minutes.

In order to find the number of points he scored in a minute, we have to divide the total number of points by the number of minutes, so:

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So, he scored 4.8 points per minute.

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3 0
3 years ago
Read 2 more answers
Differentiating Exponential functions In Exercise,find the derivative of the function. See Example 2 and 3.
Alecsey [184]

Answer: -2xe^{-x^2}

Step-by-step explanation:

Let u be a differentiable function , then

\dfrac{d}{dx}(e^x)=e^x

\dfrac{d}{dx}e^u=e^u\dfrac{du}{dx}              (1)

Given function : y = e^{-x^2}

Differentiate both sides with respect to x , we get

y'=e^{-x^2}\dfrac{d(-x^2)}{dx}  (By using  (1))

\Rightarrow\ y'=e^{-x^2}(-2x)  [∵ \dfrac{d}{dx}(x^n)=x^{n-1}]

\Rightarrow\ y'=-2xe^{-x^2}

Hence, the derivative of the given function is -2xe^{-x^2} .

4 0
4 years ago
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