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RoseWind [281]
3 years ago
6

Two similar triangles are shown.

Mathematics
2 answers:
galina1969 [7]3 years ago
4 0

correct answer is reflect ,

nasty-shy [4]3 years ago
4 0

Answer :- The answer is reflected . Triangle XYZ was dilated, then <u>reflected</u> to create triangle QAG.


Explanation :-

  • A dilation is a rigid transformation which creates a similar image as the real shape but with different size.
  • A reflection is a rigid transformation which creates a mirror image of the original shape without changing its size.

In the given picture we can see the size of ΔXYZ is reduced to ΔQAG byecause of dilation . Also  ΔQAG looks like the mirror image of ΔXYZ  (as it flipped horizontally).

Therefore if ΔXYZ is dilated then it must be reflected horizontally to create ΔQAG.

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"Two complementary angles are not congruent."
jenyasd209 [6]

Answer:

40 and 50,20 and 70

Step-by-step explanation:

complementary angles are angles that  added equal to an angle of 90 degrees and it says they are not congruent so the two angles are diferent

8 0
3 years ago
Read 2 more answers
Find the value of x if the points (x,5) and (3,7) lie on the line whose slope is 4/7
muminat

Answer:

x = -4

Step-by-step explanation:

Write and solve an equation in which the slope from the definition of slope is on the left side and the given slope, 4/7, is on the right side:

        7 - 5          4

m = ---------- = --------

         3 - x         7

Simplifying with the aim to find the value of x:

2(7) = 4(3 - x), or 7 = 3 - x.  Then x = -4.

6 0
3 years ago
Jayden used a Groupon at the local pizza shop. Instead of paying $15, for the pizza, he paid $12.
DENIUS [597]

Answer:

She is correct because they need to find how much is the discounted price, which is 3. So to see what percentage it is, they need to see how much 3 is worth in comparison to 15. If we spilt 15 into 5 parts to make every part worth 20%, the answer would be 3. Thus Arianna is correct.

Step-by-step explanation:

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=4%20%5Cfrac%7B2%7D%7B3%7D%20%20%20%2B%205x%20%3D%207%20%20-%202x" id="TexFormula1" title="4 \f
Delicious77 [7]

4 2/3+5x=7-2x

Add 2x to both sides.

4 2/3+7x=7

Subtract 4 2/3 on both sides.

7x=2 1/3

7x=7/3

Divide by 7 on both sides.

x=1/3

answer: x=1/3

5 0
3 years ago
Read 2 more answers
URGENT! (Grades close tomorrow and turning this in will boost my grade from a B to an A in College Algebra. I can't figure these
zvonat [6]

Answer:

  24.  see below for a drawing with axis intercepts labeled

  30.  the plane is parallel to the y-z plane. It is "x=4". The only axis intercept is (4, 0, 0).

Step-by-step explanation:

24. The axis intercepts are fairly easily found. You can do it a couple of ways.

<u>first way</u>

  • Set other variables to zero and divide by the coefficient of the variable of interest.

For 3x +5y +15z = 15, the x-intercept can be found by setting y and z to zero. This gives ...

  3x = 15

so, dividing by 3 tells you the x-intercept is ...

  x = 15/3 = 5

Likewise, the y- and z-intercepts are, respectively, ...

  y = 15/5 = 3

  z = 15/15 = 1

So, the points where the plane crosses the axes are ...

  (5, 0, 0), (0, 3, 0), (0, 0, 1) . . . . axes intercepts

__

<u>second way</u>

  • Divide by the constant on the right, and express all coefficients as denominators

Doing that gives ...

\dfrac{3x+5y+15z}{15}=1\\\\\dfrac{x}{5}+\dfrac{y}{3}+\dfrac{z}{1}=1

The denominators are the corresponding intercepts. (This is called the "intercept form" of the equation of the plane.)

From the above equation, we see the axis intercepts are ...

  (5, 0, 0), (0, 3, 0), (0, 0, 1) . . . . same as above

Actually, the math for these two methods is virtually identical. The second way does it "all at once", so can take fewer steps. Effectively, you're doing the math of the "first way" and expressing the result in the denominator.

__

Please note that when a variable is missing, there is no intercept for that axis. That is, the plane is parallel to that axis. (In problem 30, for example, the y- and z-variables are missing. The plane x=4 is parallel to the y- and z-axes (the y-z plane).)

_____

In the first attached drawing, the x-axis is red, the y-axis is green, and the z-axis is blue. The labeling of the points is difficult to see, but the axes are a different (lighter) color behind the plane than in front of it. This plane forms a triangle in the first octant (x, y, z > 0).

In the second attached drawing, the x=0 plane is blue; the y=0 plane is green, and the z=0 plane is red. The plane of the equation is yellow. This figure better shows the triangle in the first octant.

3-D graph paper (isometric graph paper) grids are available with a web search. Such might make it easier to draw the planes you need to draw. (See the third attachment for one example.)

3 0
3 years ago
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