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2 years ago

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

Mathematics

2 answers:

Kaylis [27]2 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]2 years ago

5 0

I have the same answer ^^

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A necklace has and matching bracelet have two types of beads. The necklace has 12 large beads and 8 small beads and weighs 88 gr

miv72 [106K]

Weight of one large bead is 1.5 grams and weight of one small bead is 8.75 grams.

Step-by-step explanation:

Let,

Weight of one large bead = x

Weight of one small bead = y

According to given statement;

12x+8y=88 Eqn 1

5x+2y=25 Eqn 2

Multiplying Eqn 2 by 4

$4(5x+2y=25)\\20x+8y=100\ \ \ Eqn\ 3\\$

Subtracting Eqn 1 from Eqn 3

$(20x+8y)-(12x+8y)=100-88\\20x+8y-12x-8y=12\\8x=12$

Dividing both sides by 8

$\frac{8x}{8}=\frac{12}{8}\\x=1.5$

Putting x=1.5 in Eqn 1

$12(1.5)+8y=88\\18+8y=88\\8y=88-18\\8y=70$

Dividing both sides by 8

$\frac{8y}{8}=\frac{70}{8}\\y=8.75$

Weight of one large bead is 1.5 grams and weight of one small bead is 8.75 grams.

Keywords: linear equation, elimination method

Learn more about elimination method at:

#LearnwithBrainly

5 0

2 years ago

So confused.....please help.......

mart [117]

I think it is option A. Order matters; if the order is interchanged, the position of the figure will most likely change. You can try it out yourself too! Hope I helped! Happy Holidays!

Can you mark me brainliest? C:

3 0

2 years ago

How can you find the areas of trapezoids and kites? URGENT I WILL GIVE BRAINLIEST

elena-s [515]

Trapezoid : A= (a+b/2)h
a and b are the bases of the trapezoid
h is the height
kite: A= pq/2
p is the diagonal
q is the other diagonal

3 0

2 years ago

L'Shonda purchased a container of juice

cupoosta [38]

L'Shonda purchased a container of juice. 80 calories are from carbohydrates.

Solution:

Given that, LShonda purchased a container of juice that contains 200 calories.

The label says that 40% of the calories are from carbohydrates.

We have to find how many calories are from carbohydrates?

Now, according to the given information,

Number of calories from carbohydrates = 40% of the total calories of the juice

Then, calories from carbohydrates = 40% of 200 calories

40% can be written in fraction as $\frac{40}{100}$

$\text { Calories from carbohydrates }=\frac{40}{100} \times 200=40 \times 2=80 \text { calories }$

Hence, 80 calories are from carbohydrates.

5 0

2 years ago

What degree of rotational symmetry does an equilateral triangle have

ivann1987 [24]

Answer: There are three rotational symmetries of an equilateral triangle: rotation by zero degrees (the identity operation), rotation by 120 degrees, and rotation by 240 degrees. This group of symmetry operations is isomorphic to the cyclic group of 3 elements: [math]C_3.[/math]

Step-by-step explanation:

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2 years ago