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olga55 [171]
3 years ago
6

I need help for both of these !

Mathematics
1 answer:
VLD [36.1K]3 years ago
6 0
4. \frac{w+3}{2}<-8
First, you can multiply both sides of the inequality by 2 to cancel out the fraction to get:
w+3<-16
Then subtract 3 from both sides to get:
w<-19 
Above is your answer

5. h≤\frac{6h+3}{5} 
Like we did in the first one, multiply by 5 on both sides to get: 
5h≤6h+3
Then subtract 6h from both sides to get
-1h≤3
Divide by -1 into both sides, and when you divide or multiply an inequality by a negative number, you flip the sign, so you would get
h≥-3
Above is your final answer

Hope this helped!
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A data display appears skewed to the right so? A) most of the data will be located on the left side of the display B) there are
Evgen [1.6K]

Answer:

B)

Step-by-step explanation:

A data display appears skewed to the right so there are extreme values in the right tail of the display. Hope this helps!

8 0
3 years ago
Daniel ran 38 laps on the track. Each lap is 1/4 mile long. How many miles did Daniel run?
Harman [31]

Answer:It's 9.5 Miles I'm Not Sure About My Answer

Step-by-step explanation:

3 0
2 years ago
Evaluate the function.<br><img src="https://tex.z-dn.net/?f=f%28x%29%20%3D%20%20-%20x%5E%7B2%7D%20%20-%207x%20-%205" id="TexForm
Nat2105 [25]
<h3>Answer:  5</h3>

===================================================

Explanation:

Everywhere you see an x, replace it with -5. Then use the order of operations PEMDAS to simplify

f(x) = -x^2 - 7x - 5\\\\f(-5) = -(-5)^2 - 7(-5) - 5\\\\f(-5) = -(25) - 7(-5) - 5\\\\f(-5) = -25 + 35 - 5\\\\f(-5) = 10 - 5\\\\f(-5) = 5\\\\

Keep in mind that for the x^2 term, you are squaring all of x = -5, which includes the negative as well. So that means

x^2 = (-5)^2 = (-5)*(-5) = 25

but sticking a negative out front makes

-x^2 = -(-5)^2 = -25

6 0
3 years ago
Factor by grouping 20i^3-25i^2+4i-5
inna [77]
The answer is (4x-5)(5x^2+1)
6 0
2 years ago
Consider the parametric curve x = 2t^(3)-3t^(2)+2 and y = t^(3)-12t,-pi leq t leq pi . (a) Find the values of t (if any) where t
bagirrra123 [75]

Answer:

  (a) t = ±2

  (b) t ∈ {0, 1}

  (c) In navigation terms: east by north. The slope is about 0.42 at that point.

Step-by-step explanation:

(a) dy/dx = 0 when dy/dt = 0

  dy/dt = 3t^2 -12 = 0 = 3(t -2)(t +2)

The slope is zero at t = ±2.

__

(b) dy/dx = (dy/dt)/(dx/dt) = <em>undefined</em> when dx/dt = 0

  dx/dt = 6t^2 -6t = 6(t)(t -1) = 0

The slope is undefined for t ∈ {0, 1}.

__

(c) At t=3, dy/dx = (dy/dt)/(dx/dt) = 3(3-2)(3+2)/(6(3)(3-1)) = 15/36 = 5/12

The general direction of movement is away from the origin along a line with a slope of 5/12, about 22.6° CCW from the +x direction.

_____

The first attachment shows the derivative and its zeros and asymptotes. It also shows some of the detail of the parametric curve near the origin.

The second attachment shows the parametric curve over the domain for which it is defined, along with the point where t=3.

5 0
3 years ago
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