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3 years ago

Why do triangles interior angles sum to 180°?

1 answer:

4 0

A squares interior able sun is 360 and half of a square is a triangle making the interior angle also 180 because half of 360 is 180. Idk how else to answer this because it’s just something that we all know

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The probability that a student has a Visa card (event V) is .76. The probability that a student has a Master card (event M) is .

Rufina [12.5K]

Answer:

The Probability of both happening is 0.304.

Step-by-step explanation:

P(A) × P(B)

= 0.76 × 0.4

= 0.304

8 0

2 years ago

In which quadrant is ? located if cos? is positive and cot? is negative?

Elodia [21]

Hello :
if cos? is positive and cot? is negative? in 4 quadrant

7 0

4 years ago

Find an equation in standard form for the hyperbola with vertices at (0, ±3) and foci at (0, ±7)

Nitella [24]

The equation of a hyperbola is:

(x – h)^2 / a^2 - (y – k)^2 / b^2 = 1

So what we have to do is to look for the values of the variables:

For the given hyperbola : center (h, k) = (0, 0)
a = 3(distance from center to vertices)
a^2 = 9

c = 7 (distance from center to vertices; given from the foci)
c^2 = 49

By the hypotenuse formula:
c^2 = a^2 + b^2
b^2 = c^2 - a^2

b^2 = 49 – 9

b^2 = 40

Therefore the equation of the hyperbola is:

(x^2 / 9) – (y^2 / 40) = 1

5 0

3 years ago

Read 2 more answers

Find 5 solutions to the question. Y=-1.5x+2

Black_prince [1.1K]

Answer:

☆< 《HOPE IT WILL HELP YOU》>☆

Step-by-step explanation:

Y=1.5x+2

y=1.5 (1) +2

y=1.5+2

y=3.5

y=1.5(2)+2

y=3+2

y=5

y=1.5 (3)+2

y=4.5+2

y=6.5

y=1.5 (4)+2

y=6+2

y=8

y=1.5 (5)+2

y=7.5+2

y=9.5

<h2>please mark my ans as BRAIN LIST</h2>

3 0

3 years ago

It takes you 0.8 of a minute to read each page of your health book.It takes you 5.5 minutes to take the test at the end.How long

Nina [5.8K]

So you divide 0.8 by 6.25 and your answer is 7.8125 and then you add 5.5 minutes of your other number and you get the answer of 13.3125

6 0

3 years ago