Solve for x 3x + 3 - x + (-7) > 6

Answers

Answer 1

Answer: it is a simple linear inequalitie, lets solve it:
3x + 3 - x + (-7) > 6
3x + 3 - x - 7 > 6
2x - 4 > 6
2x > 10
x > 5

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If h(x) = −4x − 10, find h(−5).−301.2510−1

How to solve for x???

Answers

Answer:

50 degrees

Step-by-step explanation:

Since this is an isosceles triangle, and the measurements on the left and right are the same, that means that both angle measurements on the bottom are the same.

180 - 80 = 100

100/2 = 50

1 1 pointAnswer each of the following. Write your final answers in the blanks provided.
A building is 50 ft. high. At a distance away from the building, an architect observes that the angle of elevation to the top of the building is
28° How far is the observer from the base of the building? Round to the nearest foot.

Answers

Answer:

Step-by-step explanation:

57.5 round up. 58

Are lines of symmetry for any given polygon also diagonal?

Answers

yes it can be !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

yes it is as long as the line your making is making the shape symmetrical

Which is equivalent to 7-29i / 8-13i

Answers

(7-29i) / (8-13i)=(7-29i)(8+13i)/ (8-13i)(8+13i)=
(56-91i-232i+377i²) / (64-169i²)=
remember:
i=√-1
i²=-1
Therefore:
=(56-141i-377) / (64+169)=(-321-141i) / 233=-(321+141i)/233

Answer: (7-29i) / (8-13i) is equivalent to -(321+141i) / 233

Find the standard form of the equation of the parabola with a focus at (0, -2) and a directrix at y = 2.

Answers

Answer:

$y=-(1)/(8)x^2$

Step-by-step explanation:

Find the standard form of the equation of the parabola with a focus at (0, -2) and a directrix at y = 2

The distance between the focust and the directrix is the value of 2p

Distance beween focus (0,-2) and y=2 is 4

$2p=4, p=2$

The distance between vertex and focus is p that is 2

Focus is at (0,-2) , so the vertex is at (0,0)

General form of equation is

$y-k=-(1)/(4p)(x-h)^2$

where (h,k) is the vertex

Vertex is (0,0) and p = 2

The equation becomes

$y-0=-(1)/(4(2))(x-0)^2$

$y=-(1)/(8)x^2$

Hello,
The parabola having like focus (0,p/2) and as directrix y=-p/2 has as equation x²=2py

Here -p/2=2==>p=-4

x²=-8y is the equation.

Please could with some help of: solve 4x + 11 < 23

Answers

When dealing with inequalities your main goal is to isolate x. So you do whatever it takes to get X alone on one side.
4x+11<23
4x<12
x<3

x<3
First, you subtract the 11 from both sides of the equation:
4x+11<23
-11<-11
  4x<12
Next, divide both sides of the inequality by 4:
  4x<12
4 < 4
  x<3

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