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3 years ago

1) Which is NOT a line of symmetry?

Mathematics

2 answers:

schepotkina [342]3 years ago

6 0

Answer: Line 3

The answer is line 3 because it’s cutting half of the shape right but it’s not the exact shape if u cut it. So it’s line 3

Levart [38]3 years ago

3 0

Answer:

its 3

explanation:

a line of symmetry is a line that can make the shape half and 3 does not

hoped this helped let me know if it did

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SOLVE EACH EQUATION CHECK FOR EXTRANEOUS SOLTUIONS.

Anna007 [38]

Answer:

(i)x=-8

(ii)y>18

(iii)x>10

Step-by-step explanation:

I think the ans above is correct.

I hope it will help u....

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2 years ago

(2z-16) divided by (8+z

jek_recluse [69]

All you have to do is follow the steps shown in the pictures and you’ll get your answer,

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3 years ago

Will someone please help me!!! I don’t know the answer to these! I don’t even know if I did them right!

Varvara68 [4.7K]

Answer:

$BD = 12$ units

$AB = 16$ units

$FG=\sqrt{105}$

$EC=4\sqrt{10}$ units

$AC=8\sqrt{10}$ units

Step-by-step explanation:

A circumcenter is the point where the perpendicular bisectors of a triangle intersect.

This means

BD = DC;
BF = FA;
AE = EC.

Since BC = 24 units, then BD = 12 units (half of BC).

Since FA = 8 units, AB = 16 units (twice FA).

Consider right triangle BGF. In this triangle, BF = 8 units (congruent to FA), BG = 13 units. By the Pythagorean theorem,

$FG^2=BG^2-BF^2\\ \\FG^2=13^2-8^2\\ \\FG^2=169-64=105\\ \\FG=\sqrt{105}\ units$

Triangles BFG and AFG are congruent right triangles, then BG = AG. In right triangle AGE, $GE=3$ units, $AG=13$ units. By the Pythagorean theorem,

$AE^2=AG^2-GE^2\\ \\AE^2=13^2-3^2=169-9=160\\ \\AE=\sqrt{160}=4\sqrt{10}\ units$

$AE = EC=4\sqrt{10}\ units$

$AC = 2AE=2\cdot 4\sqrt{10}=8\sqrt{10}\ units$

5 0

2 years ago

What does 101=50-h h means the number 49

ICE Princess25 [194]

Let me see if I understand your question:

101=50-h

this would just be an equation with a variable: this variable is "h". Variable is an unknown value, like a name for "something".

so we could say that 101 equals 50 minus "something" and we call this something "h"

this is what 101=50-h "means"

as it happens, we can find out the value of this h:

we can subtract 50 from both sides of the equation:

101-50=50-50-h
51=-h

and multiply by (-1)
-51=h

so our h is equal to -51.

so... does not actually mean here 49...

let me know if you have further questions!

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3 years ago

What is the solution to the system of equations

Scrat [10]

C (3,1)

There is the answer and also a check to make sure hope this helps

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3 years ago