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Jlenok [28]
3 years ago
11

Can anyone help I’ll mark brainliest

Mathematics
1 answer:
Nady [450]3 years ago
5 0
The answer is D because if he's stop to visit his friend the time will continue
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If 40% of a number is 112 and 95% of the same number is 266, find 55% of that number.
damaskus [11]

Answer:

154

Step-by-step explanation:

.4 x 112 = 280

.95 x 266 = 280

.55 x 280 = 154

5 0
3 years ago
The height h, in feet of a model rocket t seconds after launch is given
Illusion [34]

Answer:

h_max = 324.09 ft

Step-by-step explanation:

The correct equation is;

h = 245t - 16t²

We are told that as the rocket descends, it deploys

a recovery parachute when it reaches 325 feet above the ground.

Thus;

245t - 16t² = 325

Thus;

16t² - 245t + 325 = 0

Using quadratic formula, we have the roots as;

t = 1.47s or 13.85s

We will pick the higher value.

Thus;

Maximum height will occur at t = 13.85 s

Thus, plugging in 13.85 for t into h = 245t - 16t², we have;

h_max = 245(13.85) - 16(13.85)²

h_max = 324.09 ft

7 0
3 years ago
Solve using substitution <br> x-10y=10<br> x= -10
34kurt
-10 -10y = 10
+10 +10

-10y = 20

20/-10 = -2

Y = -2
4 0
2 years ago
Read 2 more answers
Graph a line that is perpendicular to the line y=-3x + 2 and has a y-intercept of -6.
Fiesta28 [93]

Answer:

Step-by-step explanation:

the line's equation would be

y = 1/3x -6

so just graph a line using this equation

hope this helps <3

6 0
3 years ago
Write10:15 pm in 24 hour time
Stels [109]
Your answer is 22:15
5 0
3 years ago
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