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Brrunno [24]
3 years ago
8

Please help I need thiss done right noww

Mathematics
2 answers:
Simora [160]3 years ago
7 0

Answer:

-14 or \frac{140}{-10} or \frac{70}{5-10} }

Step-by-step explanation:

I hope this helps!!!

dem82 [27]3 years ago
5 0

Answer:

-14 is one

sorry i don't have anything eles

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Please show all work with the answers please
kenny6666 [7]
Part A

The angle of elevation of the staire case is given by

Angle\ of\ elevation=\tan^{-1}{ \frac{Vertical\ rise}{landing} } \\  \\ =\tan^{-1}{ \frac{14}{20} }\approx35^o



Part B:

<span>If the landing of each step is changed to 17 inches and the elevation of each step to 21 inches, the new angle of elevation for the staircase is given by

</span><span>Angle\ of\ elevation=\tan^{-1}{ \frac{Vertical\ rise}{landing} } \\  \\ =\tan^{-1}{ \frac{17}{21} }\approx39^o</span>
5 0
3 years ago
A.Write an inequality that represents the fact that while making your productyou can’t exceed this spending limit.
Artist 52 [7]
Answer is A, you made a profit of 50$

8 0
4 years ago
Read 2 more answers
what are two equivalent expressions to the following radical expression: (√10 to the 4th power x √12 to the 4th power) to the 8t
brilliants [131]

Answer:

(14400x^4)^8

Step-by-step explanation:

sqrt10 to the 4th is 10^2 or 100, and xsqrt12 to the 4th is 144x^4. Multiply these to get (14400x^4), and take the 8th to get (14400x^4)^8.

3 0
3 years ago
Which of the following describes the graph of 2x + 4y &lt; 16?
kherson [118]
<h3>Answer: A) Dashed line, shaded below</h3>

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

Explanation:

2x + 4y < 16 solves to y < -0.5x+4 when you isolate y. The inequality sign does not change direction because we divided both sides by a positive value (in this case, 4).

The graph of y < -0.5x+4 will be the same as the graph of 2x+4y < 16

To graph y < -0.5x+4, we graph y = -0.5x+4 which is a straight line that goes through the two points (0,4) and (2, 3). This is the boundary line of the inequality shaded region. The boundary line is a dashed line because we are not including points on the boundary that are part of the solution set. We only include these boundary points if the inequality sign has "or equal to".

We then shade below the dashed boundary line to indicate points below the boundary line. The shading is done downward due to the "less than" sign.

---------------------

Perhaps another method to find what direction we shade is we can try out a point like (0,0). The point cannot be on the boundary line.

Plug those coordinates into either equation. I'll pick the second equation

y < -0.5x+4

0 < -0.5*0+4

0 < 0+4

0 < 4

The last inequality is true, so the first inequality is also true when (x,y) = (0,0). Therefore, the point (0,0) is in the shaded region. The point (0,0) is below the boundary line y = -0.5x+4

So this is another way to see that the shaded region is below the boundary line.

6 0
3 years ago
What is the mean of 20, 37, 43, 54, 83, 102, 117, 160, 208?
Alekssandra [29.7K]
Answer is 91.56 You add all the numbers up and divide by 9(There are 9 numbers in the sequence).
6 0
3 years ago
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