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qaws [65]
3 years ago
6

A particle moves along the curve y = 5x^2 – 1 in such a way that the y value is decreasing at the rate of 2 units per second. At

what rate is x changing when x = 1?
Decreasing one fifth unit/sec
Increasing one fifth unit/sec
Decreasing one tenth unit/sec
Increasing one tenth unit/sec
Mathematics
2 answers:
Softa [21]3 years ago
7 0
I think it's <span>Increasing one fifth unit/sec 
</span>
anastassius [24]3 years ago
4 0
Yep I think it's increasing one fifth unit/sec
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Kruka [31]
Just mult. this monthly pay by 12 to obtain the annual salary:

12($1484.25) = $17775 per year (answer)
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3 years ago
A Square was altered so that one side is increased by 9 inches in the other side is decreased by 2 inches.The area of the result
LekaFEV [45]

Let s represent the length of any one side of the original square.  The longer side of the resulting rectangle is s + 9 and the shorter side s - 2.

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This is a quadratic equation and can be solved using various methods.  Let's rewrite this equation in standard form:  s^2 + 7s - 18 = 60, or:

s^2 + 7s - 78 = 0.  This factors as follows:  (s+13)(s-6)=0, so that s = -13 and s= 6.  Discard s = -13, since the side length cannot be negative.  Then s = 6, and the area of the original square was 36 in^2.

4 0
3 years ago
Sketch the graph of each line
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3 0
3 years ago
Scaler factor of 1/2
olasank [31]

Dilation by a scale factor of 1/2 followed by a translation of 1.5 units down.

<h3>What is dilation?</h3>

Dilation is a transformation, which is used to resize the object. Dilation is used to make the objects larger or smaller.

Here, △ HIJ are:

IH = 3

IJ = 4

then using the scale factor = 1/2 we get

Therefore, we have:

I'H '= 1.5

I'J '= 2

Hence, dilation by a scale factor of 1/2 followed by a translation of 1.5 units down.

Learn more about this concept here:

brainly.com/question/1011146

#SPJ1

3 0
2 years ago
Expand and simplify<br> (x - 1)(2x + 3)
meriva

Answer: 3x+2

Step-by-step explanation:

8 0
3 years ago
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