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saul85 [17]
3 years ago
12

Como se daca el area de un triangulo​

Mathematics
1 answer:
Ivahew [28]3 years ago
7 0
Area= base x altura dividido entre 2
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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.

8 0
3 years ago
Which of the following equations is used to find the value of c (the distance to the foci) for an ellipse? 
Reika [66]

The equation of ellipse:

\dfrac{(x-h)^2}{a^2}+\dfrac{(y-k)^2}{b^2}=1

The formula of c (the distance to the foci)

c^2=a^2-b^2\qquad|\text{add}\ b^2\ \text{to the both sides}\\\\c^2+b^2=a^2

<h3>Answer: c² + b² = a²</h3>
4 0
3 years ago
Find the solution set of the inequality: 8x+2&gt;34
Sholpan [36]

8x + 2 > 34

     -2    -2

8x > 32

8x (÷ 8) > 32 (÷ 8)

x > 4

so x can equal any number from 5 and infinity

Hope I helped !!! :)

5 0
4 years ago
Marco needs $57 to buy new basketball shoes. If Marco earns $3 per day working and already has $12 saved, which equation shows h
Montano1993 [528]

Answer:

57=12+3d

d=number of days worked

6 0
3 years ago
Read 2 more answers
Who is the father of maths???​
Sphinxa [80]

Answer: Archimedes

Step-by-step explanation:

Archimedes was considered the father of mathematics, simply because he made profound advancements in both science and math. His title is purely a nickname, and not because he actually created math.

6 0
2 years ago
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