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3 years ago

An equilateral triangle is always __________. A. obtuse and isosceles B. acute and isosceles C. scalene D. obtuse

Mathematics

2 answers:

V125BC [204]3 years ago

8 0

acute b that is what it always is

OLEGan [10]3 years ago

4 0

An equilateral triangle is always B. acute and isosceles

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A card is drawn from a standard deck and a letter is chosen from the word incredible. What is the probability of drawing a king

Kamila [148]

There is a 4/52 chance of getting a king, because there are 52 cards in a deck, and 4 kings in each. And there is a 2/10 (1/5) chance of getting an i, because there are 2 i's in the word "incredible", and 10 letters (so simplifying that, you would get 1/5).

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3 years ago

Read 2 more answers

How do you solve this? (#11/#12)

zepelin [54]

$\text{If}\ x_1,\ \text{and}\ x_2\ \text{are zeros of a polynomial function, then the function}\\\text{has equation}:\\\\f(x)=a(x-x_1)(x-x_2).\\----------------------------\\\\11.\ \text{We have the zeros}\ 3\ \text{and}\ i:\\\\f(x)=(x-3)(x-i)=(x)(x)+(x)(-i)+(-3)(x)+(-3)(-i)\\\\=x^2-xi-3x+3i=\boxed{x^2-(3+i)x+3i}\\\\12.\ \text{We have the zeros}\ -2\ \text{and}\ 2i:\\\\f(x)=(x-(-2))(x-2i)=(x+2)(x-2i)\\\\=x^2-(2i)^2=x^2-2^2i^2=x^2-4(-1)=\boxed{x^2+4}\\\\\text{used}\\\\(a-b)(a+b)=a^2-b^2\\\\i=\sqrt{-1}\to i^2=-1$

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3 years ago

What is the value of x? 10√3 10 5√3 5

likoan [24]

You have a 30-60-90 triangle
In this triangle the hypotenuse is 2x and the smaller leg is x√3
in our case, x=5 and your side is 5√3

3 0

3 years ago

(2c ^ 2 + 13s + 15) / (s + 5)

kari74 [83]

Answer:

S=5

Step-by-step explanation:

s=-2/3 =-0.667

s=5

8 0

3 years ago

At a real estate agency, an agent sold a house for $327,000. The commission rate is 5.5% for the real estate agency and the c

sergeinik [125]

Agency will get $8589.50 and the agent will earn $5395.50

Step-by-step explanation:

Price of house = $327000

Commission rate for agency = 5.5% = $\frac{5.5}{100} = 0.055$

Commission amount = 0.055*327000 = $17985

Commission rate for agent = 30% of Agency commission

Commission amount for agent = $\frac{30}{100}*17985=\frac{539550}{100}\\$

Commission amount for agent = $5395.50

Agency's commission = Agency's commission amount - agent's commission

Agency's commission = 17985 - 5395.50 = $8589.50

Agency will get $8589.50 and the agent will earn $5395.50

Keywords: commission rate, subtraction

Learn more about subtraction at:

#LearnwithBrainly

3 0

4 years ago