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aleksandr82 [10.1K]
4 years ago
15

Which number is irrational?

Mathematics
1 answer:
forsale [732]4 years ago
5 0
D square root of 80. The root of 64 is 8. The root of 256 is 16. The root of 100 is 10. 80 does not have a perfect square<span />
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In Maria's physics class, she had to solve the equation 5=12at2+ut+x for u.
olasank [31]

Answer:

u= 5/t-12at-x/t

Step-by-step explanation:

I dont know what youre asking but that is the solved equation

7 0
3 years ago
There are 100 cents in a dollar. what fraction of a dollar is 17 cents
7nadin3 [17]
The fraction would be 17/100
4 0
4 years ago
Read 2 more answers
Complete the sentences below based on the graph of the function.<br><br> Please help!
Gnom [1K]

Answer:

  • 20 km
  • 20 km/h
  • 5 km/h

Step-by-step explanation:

We assume the graph is a plot of Sean's distance from home as he drives to work, works 8 hours, then drives home with a 2-hour stop along the way. It also appears that t is measured in hours after midnight.

The graph shows Sean's distance from home between 9 a.m. and 5 p.m. (t=17) is 20 km. Based on our assumptions, ...

  Sean's workplace is located 20 km from his home.

__

Speed is the change in distance divided by the change in time. Between 8 a.m. and 9 a.m. Sean's position changes by 20 km. His speed is then ...

  (20 km)/(1 h) = 20 km/h

  Sean's speed driving to work was 20 km/h.

__

Between 5 p.m. (t=17) and 7 p.m. (t=19), Sean's position changes from 20 km to 10 km from home. That change took 2 hours, so his speed was ...

  (10 km)/(2 h) = 5 km/h

  Sean's speed between 5 p.m. and 7 p.m. was 5 km/h.

_____

<em>Additional comment</em>

The units of speed (kilometers per hour) tell you it is computed by dividing kilometers by hours. ("Per" in this context means "divided by".)

While the slope of the line on the graph between 5 p.m. and 7 p.m. is negative, the speed is positive. The negative sign means Sean's speed is not away from home, but is toward home. When the direction (toward, away) is included, the result is a vector called "velocity." Speed is just the magnitude of the velocity vector. It ignores direction.

7 0
3 years ago
Tim and his family want to place a flower bed in the backyard and have a pretty border around it. They have chosen to make it a
abruzzese [7]

Answer:

Area = 60

Step-by-step explanation:

(h b)/2

h = 10

b = 12

12 x 10 = 120

120/2 = 60

(h = height and b = base)

6 0
3 years ago
Read 2 more answers
Inga lives 3 miles more than twice as far from school as brent does . If Brent lives (b) miles from school, then inga lives _? m
finlep [7]
Brent lives b miles from the school.
Inga lives 3 miles more then twice as far as Brent.
2b + 3.

Inga lives (2b + 3) miles from school.



5 0
3 years ago
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