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Dafna1 [17]
3 years ago
5

The triangle below is an equilateral triangle. Find y. 10 y+3

Mathematics
1 answer:
Colt1911 [192]3 years ago
6 0

Answer:

y = 7

Step-by-step explanation:

An equilateral triangle has all its sides to be equal..

so.

10 = x

10 = y + 3

y = 10 - 3

y = 7

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Algebraic Expressions with Exponents Quiz
trapecia [35]

Answer:

what do you need help with? i can edit this later lol

7 0
3 years ago
Please help me: A cereal company fills boxes with 16 ounces of cereal. The acceptable percent error in filling a box is 2.5%. Fi
bagirrra123 [75]
16.4 would be the greatest  and 15.6 would be the least due to 2.5% equaling 0.4 and adding and subtracting it from 16.
6 0
3 years ago
Explain why an equilateral polygon is not necessarily a regular polygon
poizon [28]
For a polygon to be regular it must have all sides the same length and all interior angles the same.
5 0
3 years ago
Is EFGH below a rectangle
poizon [28]

Answer:

  D. No, because EFGH is a parallelogram but it’s diagonals are not congruent

Step-by-step explanation:

The differences between the end points of the diagonals are ...

  F -H = (1, 1) -(2, -5) = (1 -2, 1 -(-5)) = (-1, 6)

  G -E = (4, -2) -(-1, -2) = (4 -(-1), -2 -(-2)) = (5, 0)

The length of FH is more than 6, the length of GE is exactly 5. The diagonals are different length, so the figure cannot be a rectangle.

__

The midpoints of the diagonals will be in the same place if the sum of their end points is the same. (Dividing each sum by 2 gives the midpoint of that segment.)

  F+H = (1, 1) +(2, -5) = (3, -4)

  G+E = (4, -2) +(-1, -2) = (3, -4)

The diagonals bisect each other (have the same midpoint), so the figure is a parallelogram.

EFGH is a parallelogram, but not a rectangle: its diagonals are not congruent.

3 0
2 years ago
Which phrase describes the expression 505n ?
joja [24]

Answer:

I believe it would be "505 times n"

Step-by-step explanation:

If tis is not what you are looking for I am sorry, but the question was vague.

6 0
3 years ago
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