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3 years ago

Which figure has reflection symmetry?

Mathematics

2 answers:

mario62 [17]3 years ago

8 0

Answer with explanation:

The Meaning of the term Reflection Symmetry is that, the line which divides the geometrical shape into two congruent Parts.

First one is Isosceles Triangle, Second one is Trapezoid, Third one is Closed shape , fourth one appears Scalene Triangle.

There is no line in a trapezoid through which the two parts appear congruent to each other, neither that line can be found in closed curve nor in Scalene triangle.

But , if you draw a line through that vertex of Isosceles triangle where two equal congruent Sides intersect, then that line will be Reflection symmetry of line.

Option A

Finger [1]3 years ago

7 0

The first triangle does. That's the right answer.

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At a local park, Jared can choose between two circular paths to ride his bicycle. One path has a diameter of 240 yards, and the

amid [387]

Answer:

94.2 yards

Step-by-step explanation:

1st path = d = 120 yards

c= pie d

c= 376.8 yards

2nd yard = r = 45 yards

c = 2 pie r

c = 2(3,14)(45)

c = 282.6 yards

then subtract yard 1 and yard 2 to get 94.2 yard

ANSWER :94.2 yards

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3 years ago

Read 2 more answers

Factor completely: x2 + 7x + 10 (x + 5)(x + 2) (x + 10)(x + 1) (x2 + 5)(x + 2) Prime

horrorfan [7]

X^2 + 7x + 10
Find the factors of 10 that add up to 10.
1* 10, 2*5
The factors are 2*5
(x+2)(x+5)

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3 years ago

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a bicyclist covered 5/7 of his route and an additional 40 miles. he has yet to cover 118 miles less than 0.75 of his route. how

Oduvanchick [21]

The length of the route of a bicylist that has covered 5/7 of his route and an additional 40 miles and yet to cover 118 miles less than 0.75 of his route is 168 miles.

<h3>How to form equation and solve for the variable?</h3>

The bicyclist covered 5 / 7 of his route and an addditional 40 miles.

Let

x = distance of his route in miles

Hence,

distance covered = 5 / 7 x + 40

He has yet to cover 118 miles less than 0.75 of his route. Therefore,

distance not covered = 0.75x - 118

Distance of his route = 5 / 7 x + 40 + 0.75x - 118

x = 5 / 7 x + 40 + 0.75x - 118

x = 1.464x - 78

x - 1.464x = -78

-0.464x = -78

x = 78 / 0.464

x = 168.103448276

x = 168 miles

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3 years ago

Approximately how many times greater is 2.3x10^-4 than 1.15x10^-8 ?

Minchanka [31]

Answer:

2.3 × $10^{-4}$ is 20,000 times greater than 1.15 × $10^{-8}$

Step-by-step explanation:

Given as :

The first number= x = 2.3 × $10^{-4}$

The second number= y = 1.15 × $10^{-8}$

Let The first number is z times greater than second number

i.e x = z × y

Or, z = $\dfrac{x}{y}$

Or, z = $\dfrac{2.3\times 10^{-4}}{1.15\times 10^{-8}}$

Or, z = 2 × $10^{4}$

∴ z = 20,000

So,The first number is 20,000 times greater than second number

Hence, 2.3 × $10^{-4}$ is 20,000 times greater than 1.15 × $10^{-8}$ . Answer

3 0

4 years ago

Wrote the equation of the line that passes through (3,4) and (2,-1) in slope intercept form

nordsb [41]

So the equation of a line is y=mx + b.

In order to find the slope given only two coordinates we have to use a formula to find slope. It is:
y2-y1/x2-x1.

So let’s get all the values first from (3,4) and (2,-1).

y2= -1
y1=4
x2=2
x1=3
Plug in the values now.
-1 - 4 = -5
-5/2-3=5

The slope is 5x.

Now let’s find the y intercept, to find the y intercept, we have to do a formula which is:
y-y1=m(x-x1)
So let’s plug in the values.
y-4=5(x-3)
y-4=5x-15
+4 +4
y=5x-11

The final answer is y=5x-11!!!

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3 years ago