2 years ago

A sprinter runs 100 meters in 11.5 seconds. What is the runners average rate in meters per second?

Mathematics

2 answers:

posledela2 years ago

6 0

Answer:

8.69

Step-by-step explanation:

V=d/t=100/11.5=8.69 m/s

iris [78.8K]2 years ago

3 0

Answer:

8.69565217391 m per sec

8.7 (1dp)

Step-by-step explanation:

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HELPP, solve for x and y

Triss [41]

Answer:

x=23, y=157

Step-by-step explanation:

23 and x are on equalivent sides of the rhombus so they are equal. To solve for y you have to multiple 23 by 2. Getting 46 you subtract that from 360 to get 314. Dividing 314/2 you get 157.

5 0

1 year ago

Read 2 more answers

Verify the identity. Show your work. 1 + sec^2xsin^2x = sec^2x

allsm [11]

$\bf \textit{Pythagorean Identities}
\\\\
1+tan^2(\theta)=sec^2(\theta)\\\\
-------------------------------\\\\
1+sec^2(x)sin^2(x)=sec^2(x)
\\\\\\
1+\cfrac{1}{cos^2(x)}\cdot sin^2(x)\implies 1+\cfrac{sin^2(x)}{cos^2(x)}\\\\\\ 1+tan^2(x)\implies sec^2(x)$