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Ivanshal [37]
3 years ago
9

I don't understand which one I'll give brainiest​

Mathematics
2 answers:
garri49 [273]3 years ago
6 0

Answer:

Step-by-step explanation:

The answer should be the one on the top

olga55 [171]3 years ago
3 0

Answer:

remember a tip, negetive and positive is a negative number, and a negative and a negative is a positive number

Step-by-step explanation:

Hope this helps :D

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Elijah drives 9 miles to his friends house in 1/6 hour. How fast does Elijah drive, in miles per hour? If he drives at this rate
katrin [286]

Answer:

He drives at 54 mph. He will get 108 miles if he drives at that rate for 2 hours.

Step-by-step explanation:

9 miles in 1/6 of an hour

9x6=driving speed of 54mph

54x2 is 108 miles


7 0
3 years ago
A ballplayer catches a ball 3.4s after throwing it vertically upward. with what speed did he throw it, and what height did it re
Daniel [21]

From the equation of motion, we know,

s=ut+\frac{1}{2}at^{2}

Where s= displacement

u= initial velocity

a= gravitational force

t= time

Displacement is 0 since the ball comes back to the same point from where it was thrown.  

A = -9.8m/s^{2} since the ball is thrown upwards.

Plug the known values into the equation.

=> 0=u\left ( 3.4 \right )+\frac{1}{2}\left ( -9.81 \right )(3.4^{2})

Solving for u gives :

u= 16.67 m/ sec ....... equation (1)

At maximum height, final velocity i.e v is 0

Time take to reach the top = \frac{3.4}{2} = 1.7 sec

v^{2}=u^{2}+2as

=> 0=(16.67)^{2}+2(-9.81)(s)

Solving for s we get

s= 14.16 m


4 0
3 years ago
35/9 simplified to it’s simplest form
MariettaO [177]

Answer:

3\frac{8}{9}

Step-by-step explanation:

5 0
3 years ago
Express 11/15 as a percent.
Mnenie [13.5K]
11/15 = 0.7333333 = 0.73
5 0
3 years ago
Read 2 more answers
Point D is 1/2 of the distance between which two points?
USPshnik [31]

Answer:

B and E

Step-by-step explanation:

B = - 6, D = - 2, E = 2

d(B, D) = - 2-(-6)= - 2 + 6 = 4 units

d(D, E) 2 - (-2) = 2 + 2 = 4

Since, d( B, D) = d( D, E)

Therefore, Point D is 1/2 of the distance between B and E.

5 0
3 years ago
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