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Dominik [7]
3 years ago
6

What is 80 squared root rounded

Mathematics
2 answers:
Advocard [28]3 years ago
6 0
8.9 I think...not sure tho
fomenos3 years ago
5 0

Answer:8.94427191

Step-by-step explanation:

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Please help me. Should I know this?
slega [8]

you don't need to know this for real life situations but for school you do need to know it, i dont know how to do this but here's a link to the same question you have but it's explained on how to solve it

https://www.wyzant.com/resources/answers/499729/fireworks_can_go_up_to_1000_feet_in_around_3_seconds_what_s_is_it_s_average_vertical_speed_in_feet_per_second_and_miles_per_hour

((Also i'm a fellow ARMY as well =) ))

7 0
3 years ago
Sean is driving to visit his friend in another state.In the first hour he travels 1/5 of the total distance. In the second hour
lozanna [386]

Answer:

They live 285 miles apart

Step-by-step explanation:

Let the total distance be x miles

Sean is driving to visit his friend in another state. In the first hour he travels 1/5 of the total distance. This means that he drove x/5 in the first hour. In the second hour he travels 34 miles. That means

Total distance driven in the first and second hour is

(x/5 + 34)miles

He still has 194 miles more to go.

Therefore,

The total distance is the sum of the distance travelled in the first and second hour + the remaining distance.

x = x/5 + 34 + 194

x = x/5 + 228

Cross multiplying

5x = x + 1140

4x = 1140

x = 1140/4 = 285 miles

7 0
3 years ago
A quadratic equation has a
11111nata11111 [884]

Answer:

\boxed {\boxed {\sf 2 \ real \ solutions }}

Step-by-step explanation:

The quadratic formula is:

{x = \frac{{ - b \pm \sqrt {b^2 - 4ac} }}{{2a}}}

The discriminant of a quadratic is just the expression under the square root, or b^2-4ac. This can tell us the number of solutions a quadratic has.

If the discriminant is:

  • Positive = 2 real solutions
  • Equal to Zero = 1 real double/repeated solution
  • Negative = 0 real solutions, but 2 imaginary solutions

Our quadratic equation has a discriminant of 5, which is positive. Therefore, it has 2 real solutions.

6 0
2 years ago
The product of a number and -7/10 is 1/2 what is the number 1. 7/20 2. -5/7 3. -7/20 4. 5/7
matrenka [14]

Answer:

2)  -5/7

Step-by-step explanation:

\frac{-7n}{10} = \frac{1}{2}

cross-multiply to get:

10 = -14n

-10/14 = n

n = -5/7 (simplified)

3 0
2 years ago
Monica hizo galletas de dos tamaños como se muestra en la imagen. ¿Cuánto mide el lado Z de la galleta más grande?
elena-14-01-66 [18.8K]
¡Hola! No he visto a dos mejores amigos. ✨
6 0
3 years ago
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