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nignag [31]
4 years ago
11

All equilateral triangles are isosceles, true or false

Mathematics
2 answers:
jeka944 years ago
8 0
True- for a triangle to be isosceles, it has to have at least two sides congruent, and an equilateral has three sides congruent
Allushta [10]4 years ago
5 0
Not true equilateral triangles have 3 equal sides and isosceles have 2 equal sides and 1 different
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CAN SOMEONE PLEASE HELP ME ASAP PLEASEE ANYBODY LITERALLY ANYONE OUT THERE PLEASE
marin [14]

Answer:

Y1 is parallel to Y2 and L1 to L2.

Step-by-step explanation:

A line is 180°. To find the degree the angles I subtracted 117 and 63 by 180 to find thair respective angles. (Also 117+63 equil 180) meaning that the Y's and L's are parallel to each other.

6 0
3 years ago
Solve for x.
olga nikolaevna [1]

Answer:

\boxed{x=5},x=-9

Step-by-step explanation:

To rid the denominators, multiply both sides by (x-3)(x+1).

We get:

6(x+1)-12(x-3)=(x-3)(x+1)

Simplifying, we have:

6x+6-12x+36=x^2-3x+x-3,\\-6x+42=x^2-2x-3,\\x^2+4x-45=0

Solving, we get:

x^2+4x-45=0,\\(x-5)(x+9)=0,\\x=5,x=-9

Therefore, the solution with the greatest value is x=\boxed{5}

8 0
3 years ago
Can anyone please help me answer this math question right away?
TiliK225 [7]

 here help u  3/5

Step-by-step explanation:  u want see my work?

4 0
3 years ago
A jar contains 4 blue marbles, 6 red marbles, 10 purple marbles, and 5 green marbles. If you choose one marble, what is the prob
Paladinen [302]
It be a 3/4 possibility that it won’t be green
6 0
3 years ago
Apple weights in an orchard are normally distributed. from a sample farmer fred determines the mean weight of a box of apples to
Serjik [45]
<span>Mean = 270 Standard deviation = 10 x = 255 Formula for z-score, z = (x - mean)/SD z = (255 - 270) / 10 => z = -15 / 10 => z = -1.5 So by referring to z-table, -1.5 correlates to 0.0668 that implies to 0.07 So 7% of the boxes of Apples weight less than 255oz. The percentage of boxes is in the range of 255 oz and 270 oz, Now calculating the requiring percentage 50% - 7% = 43%</span>
7 0
3 years ago
Read 2 more answers
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