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Arturiano [62]
3 years ago
14

Explain why figure b is not the image of figure a after a reflection using line l

Mathematics
2 answers:
Kaylis [27]3 years ago
8 0

Answer:

See below

Step-by-step explanation:

Figure A has a square cut out into it as figure B has a trapezoid cut out into it.

A reflection is mirroring an image, this means that the image must be identical to its reflected image.

Because figure A and B have different shapes cut into it they are not identical and can therefore not be reflections.

Karolina [17]3 years ago
5 0
I have the same answer ^^
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Decrease <br>133 in the ratio 7:2​
love history [14]

Answer:

38

Step-by-step explanation

2/7× 133=38

6 0
3 years ago
What is the value of x that makes the given equation true?<br> X-3x=2(4+x)
Ratling [72]

x - 3x = 2(4 + x)

-2x = 8 + 2x

-4x = 8

x = -2

7 0
3 years ago
Read 2 more answers
How can you use the point-slope form of a line when only given two points?
pshichka [43]

Answer:

See below

Step-by-step explanation:

<u>Point -slope form is:</u>

  • y - y1 = m(x - x1)

By having one set of coordinates and knowing the value of the slope (m in the equation) you can use the form.

<u>How to find the slope?</u>

Here you need 2 points: Point 1 with coordinates x1, y1 and point 2 with the coordinates x2, y2

<u>Use the formula:</u>

  • m = (y2-y1)/(x2-x1)

<u>Example:</u>

  • m = -5, and one of the points has coordinates (9, 2) then point-slope form is:
  • y - 2 = -5(x - 9)
3 0
3 years ago
Determine whether the given triangle has no solution, one solution or two solutions. Then solve the triangle. Round measures of
yuradex [85]

Answer:

The triangle has one solution. The remaining side c ≈ 4 and remaining angles B = 30°; C = 31°.

Option D is correct.

Step-by-step explanation:

if angle A is obtuse and if a > b then the triangle has one solution

We are given ∠ = 119° which is obtuse and side a= 7 and side b - 4 i.e 7>4 so, the triangle has one solution.

Finding remaining side c and ∠B and ∠C

Using Law of sines to find ∠B

a/sin A = b/sin B

7/sin 119° = 4/sin B

7 * sin B = 4 * sin 119

7*sin B = 4(0.874)

sin B = 3.496/7

B = sin^-1(0.4994)

B = 29.96 = 30°

We know that sum of angles of triangle = 180°

So, 180° = 119° + 30° +∠C

180° = 149° + ∠C

=> ∠C = 180° - 149°

∠C = 31°

Now finding c

b/sin B = c /sin C

4/Sin 30 = c/sin 31

4* sin 31 = c*sin 30

4*0.515 = c* 0.5

=> c =  4*0.515/0.5

c = 4.12 ≈ 4

So, Option D one solution; c ≈ 4; B = 30°; C = 31° is correct.

7 0
3 years ago
he Garcia family bought 400 yards of fencing to enclose a circular wildflower garden. They will use all of the fencing. a. What
frez [133]

9514 1404 393

Answer:

  • 127.32 yards diameter
  • 12,732.4 square yards area

Step-by-step explanation:

The diameter can be found from the circumference using the relation ...

  C = πd

  d = C/π = (400 yd)/π ≈ 127.32 yd . . . . diameter

The area is ...

  A = πr²

where the radius (r) is half the diameter.

  A = π(63.662 yd)² ≈ 12,732.4 yd² . . . . area

_____

<em>Additional comment</em>

We have used a full-precision value for pi. If you use 3.14, your answers will be different. Your diameter will be about 127.4 yards; your area about 12,738.9 yd².

6 0
3 years ago
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