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Bogdan [553]
3 years ago
11

1. is acute. 2. is isosceles. 3. is right. Which two statements contradict each other?

Mathematics
1 answer:
Vedmedyk [2.9K]3 years ago
4 0
1. is acute. 2. is isosceles. 3. is right. Which two statements contradict each other?
1. An acute triangle is a triangle with each angles acute it mean less than 90°.3. If The triangle is right, it mean one of angle equal 90 degree.
So ,1 and 3 at's impossible.
1 and 2 it's possible, for example equilateral triangle.
2 and 3 possible
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Please help me right away with these problems.
viktelen [127]

Q.34

\sum\limits_{k=1}^{\infty}420\left(1.002\right)^{k-1}

The infinite geometric series is converges if |r| < 1.

We have r =1.002 > 1, therefore our infinite geometric series is Diverges

Answer: c. Diverges, sum not exist.

Q.35

\sum\limits_{k=1}^{\infty}-5\left(\dfrac{4}{5}\right)^{k-1}

The infinite geometric series is converges if |r| < 1.

We have r = 4/5 < 1, therefore our infinite geometric series is converges.

The sum S of an infinite geometric series with |r| < 1 is given by the formula :

S=\dfrac{a_1}{1-r}

We have:

a_1=-5\left(\dfrac{4}{5}\right)^{1-1}=-5\left(\dfrac{4}{5}\right)^0=-5\\\\r=\dfrac{4}{5}

substitute:

S=\dfrac{-5}{1-\frac{4}{5}}=-\dfrac{5}{\frac{1}{5}}=-5\cdot\dfrac{5}{1}=-25

Answer: c. Converges, -25.

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3 years ago
Review: Find the area of this irregular shape
sp2606 [1]

Answer:

33.5

Step-by-step explanation:

just separate this shape into triangles and rectangles and find the area of those shapes separately then add them altogether.

hope this helped (:

8 0
3 years ago
I need to find the area and perimeter.. can someone give me the answer?
AysviL [449]
Perimeter= 53+54+97= 204 yds
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7 0
3 years ago
A rocket is launched at t = 0 seconds. Its height, in meters above sea-level, is given by the equation
gogolik [260]

Answer:

Step-by-step explanation:

In order to find out how long it takes for the rocket to hit the ground, we only need set that position equation equal to 0 (that's how high something is off the ground when it is sitting ON the ground) and factor to solve for t:

0=-4.9t^2+112t+395

Factor that however you are factoring in class to get

t = -3.1 seconds and t = 25.9 seconds.

Since time can NEVER be negative, it takes the rocket approximately 26 seconds to hit the ground.

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3 years ago
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kherson [118]

Answer:

1000000

Step-by-step explanation:

4 0
4 years ago
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