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Tcecarenko [31]
3 years ago
15

Please help asap ill give u brainliest too please

Mathematics
2 answers:
Alex_Xolod [135]3 years ago
5 0

Step-by-step explanation:

The notation a ≥ b or a ⩾ b means that a is greater than or equal to b,

We have your question that asks to graph y + 8 ≥ 9 which means the same as y+ 8 ⩾ 9.

We see y as zero we graph an open dot at zero and draw a line to 8.49, here this means it is equal and and not greater than 8 as they are referring to whole numbers 8 and 9. we then close the dot at 8.49, and keep the number under 8.5. this way it is consistent with the equality they state for number 8.  

if the notation was facing the other way it would all point as a decrease potentially and 7.5 would be closed.

IF it was a > or < then it would mean strict greater or less, never equal to it becomes confirmation we look for being of larger or of greater.

Mumz [18]3 years ago
3 0

Answer: the solution is 1

Step-by-step explanation:

you subtract the 8 from 9 so you can get  the variable, y, by itself.

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Locate the points of discontinuity in the piecewise function shown below.
algol13

Answer:

Step-by-step explanation:

The given piecewise function i

From the given function it is clear that function is divided at x=-1 and x=2. It means we check the discontinuity at x=-1 and x=2.

For x=-1,

LHL:  

Since LHL ≠ f(-1), therefore the given function is discontinuous at x=-1.

For x=2,

LHL:  

Since LHL ≠ f(2), therefore the given function is discontinuous at x=2.

Therefore, the correct option is A.

8 0
3 years ago
Please help Need help
Anettt [7]
This problem can be readily solved if we are familiar with the point-slope form of straight lines:
y-y0=m(x-x0) ...................................(1)
where 
m=slope of line
(x0,y0) is a point through which the line passes.

We know that the line passes through A(3,-6), B(1,2)

All options have a slope of -4, so that should not be a problem.  In fact, if we check the slope=(yb-ya)/(xb-xa), we do find that the slope m=-4.

So we can check which line passes through which point:

a. y+6=-4(x-3)
Rearrange to the form of equation (1) above,
y-(-6)=-4(x-3)  means that line passes through A(3,-6) => ok

b. y-1=-4(x-2) means line passes through (2,1), which is neither A nor B
   ****** this equation is not the line passing through A & B *****

c. y=-4x+6  subtract 2 from both sides (to make the y-coordinate 2)
   y-2 = -4x+4, rearrange
   y-2 = -4(x-1)  
   which means that it passes through B(1,2), so ok

d. y-2=-4(x-1)
   this is the same as the previous equation, so it passes through B(1,2), 
   this equation is ok.

Answer: the equation y-1=-4(x-2) does NOT pass through both A and B.
   
8 0
3 years ago
use the guide to construct a two column proof proving △aec≅△deb, given that ca is parallel to db and e is the midpoint of ad. gi
MrMuchimi

By using the AAA congruence property of Triangles, △aec≅△deb is proved

It is given two triangles, Δaec and Δdeb, where e is the common point known as the midpoint of ad

Also, it is given that,

ca ║db

We need to prove that, △aec≅△deb

Then we'll use AAA congruence property of Triangles to prove the situation

As ca ║db

then, ∠cae = ∠ebd  (Alternate angles)

∠ace = ∠edb (Alternate angles)

and ∠aec = ∠deb (common angles)

Thus, by AAA congruence property, △aec≅△deb

Hence, proved

To learn more about, congruence property, here

brainly.com/question/2039214

#SPJ4

5 0
1 year ago
Solve for the variable: p - 4.2 = 2. Show your work
djverab [1.8K]

Answer:

p=6.2

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
How can you find the sum of the angle measures in a triangle?
sattari [20]

Answer:

a Euclidean space, the sum of angles of a triangle equals the straight angle (180 degrees, π radians, two right angles, or a half-turn). A triangle has three angles, one at each vertex, bounded by a pair of adjacent sides.

8 0
3 years ago
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