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olga55 [171]
3 years ago
8

PleSe help me due today i beg of u plzz

Mathematics
1 answer:
konstantin123 [22]3 years ago
6 0

Answer:

5. D

6.D

4.im not sure abt tht

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___sides of equal length
emmainna [20.7K]

Answer:

__2_sides of equal length

__2_acute angels

__0_right angle(s)

_1__obtuse angle

The triangle is _isosceles____and_obtuse____.

Step-by-step explanation:

if this is the right triangle the longest side will be √162≈ 12.7

the longest side is 15 so the vertex angle is obtuse

6 0
3 years ago
I need help is for today!!!!
kaheart [24]

Answer:

angle b = 25°

for angle A = 180 - 50 (ie 25 + 25)

angle a =130°

3 0
3 years ago
Read 2 more answers
Please answer this question
Vladimir [108]

Answer:

  • a = 3/2
  • b = -1/2

Step-by-step explanation:

  \dfrac{\sqrt{5}-1}{\sqrt{5}+1}=\dfrac{(\sqrt{5}-1)(\sqrt{5}-1)}{(\sqrt{5}+1)(\sqrt{5}-1)}\\\\=\dfrac{5-2\sqrt{5}+1}{5-1}=\dfrac{6-2\sqrt{5}}{4}\\\\=\dfrac{3}{2}-\dfrac{1}{2}\sqrt{5}

Comparing this to the form a+b√5, we see that ...

  a = 3/2

  b = -1/2

8 0
3 years ago
Niu has decorated x cards. He started with 24 stickers, and he used 4 stickers per card. Which expressions can we use to describ
Kisachek [45]

Answer:

24-4x

Step-by-step explanation:

We have been given that Niu has decorated x cards. He started with 24 stickers and he used 4 stickers per card. So stickers used in x cards will be 4x.

As initial number of stickers was 24, so we can find number of stickers left after decorating x cards by subtracting number of stickers used in x cards from 24.

\text{Number of stickers that Niu has left}=24-4x

Therefore, the expression 24-4x will represent the number of stickers that Niu has left after decorating x cards.


7 0
3 years ago
Read 2 more answers
Please hurry! How is the area of a rectangle related to the area of a triangle?
cricket20 [7]
The area of a rectangle is Base x height whereas the area of a triangle is Base x height divided by 2
5 0
3 years ago
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