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rosijanka [135]
4 years ago
13

Solve for y. Enter your answer in the box.

Mathematics
1 answer:
nikklg [1K]4 years ago
8 0
Answer: 10

Explanation: This is an equilateral triangle so all the angles are 60° since 180 ÷ 3 = 60.

Work:
60 = 5y + 10
-10 -10
50 = 5y
5 5
10 = y
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Pls help me hurry I need help!!
Citrus2011 [14]

C. 9 square roots of 2

To answer this question, it's super important that you understand the ratio of sides for special triangles. This triangle in particular, a 45-45-90 triangle, has a ratio between the legs and hypotenuse of 1:1:

Since we are given the value of the hypotenuse, we know that the value of the two sides multiplied by \sqrt{2} will be 18. Knowing this, we can write out an equation:

u*\sqrt{2} = 18

u = \frac{18}{\sqrt{2} }

<u>Multiply both sides by </u>\sqrt{2}<u> in order to get rid of the root in the denominator:</u>

u = \frac{18*\sqrt{2}}{\sqrt{2} * \sqrt{2}}

u = \frac{18*\sqrt{2} }{2}

u = 9\sqrt{2}

If you'd like me to explain how I got to the answer any further, just ask!

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3 years ago
There is a circle with a diameter of 2. Round to nearest tenth!
marshall27 [118]

Answer:

There is a circle with a diameter[d] of 2.

Step-by-step explanation:

the Radius=diameter /2=2/2=1 units

now

circumference=2πr=2×π×1=6.29=6 units

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3 years ago
Which is a true statement about conjunctions?
m_a_m_a [10]
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Alinara [238K]

Answer:

-23/4

Step-by-step explanation:

-5\frac{3}{5}

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Answer:

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