2 years ago

The track at the middle school is 200 meters. Rachel runs 1 ½ laps in 90 seconds. Find Rachel’s speed in meters/second

Mathematics

1 answer:

Anuta_ua [19.1K]2 years ago

7 0

Answer:

3.33 meters per second

Step-by-step explanation:

1 1/2 laps = 200+100 = 300

use formula: distance = rate x time

t = time (in meter per second)

300 = 90t

t = 300/90 which reduces to 3.33/1

You might be interested in

The length of the football field is 10x+10 and the width is 4x+20. Write a polynomial that represents the are of the football fi

Maurinko [17]

The solution is in the attachment

7 0

3 years ago

Using the triangle below, answer the following questions.

fomenos

Step-by-step explanation:

Answer(1):

Law of Cosines.

Answer(2):

since side "c" is missing so we will write formula used for side "c"

$c^2=a^2+b^2-2ab\cdot\cos\left(C\right)$

Answer(3):

First lets write both sine and cosine formulas:

Check the attached picture for the list of formulas:

From given picture we see that two angles A and B are missing. Also 1 side "c" is missing.

Sine formula uses two angles while cosine formula uses only one angles.

Hence cosine formula will be best choice to find the missing values.

4 0

3 years ago

URGENT !!! ANSWER NUMBER 7, right answer will get the brainlest!!!!

ra1l [238]

Answer:

Most likely wrong but i thinkkk C

Step-by-step explanation:

5 0

1 year ago

I WILL GIVE BRAINLYIST IM BEING TIMED PLS HELP ASAP PLS PLS PLS PLS I WILL FAIL

nasty-shy [4]

Answer:

.35 per minute. single variables.

4 0

3 years ago

Evaluate -7a – 2b, if a = -1 and b = 2.

Roman55 [17]

Plug in a and be into the equations:
$- 7( - 1) - 2(2) = \\ 7 - 4 = \\ 3$

5 0

2 years ago

Read 2 more answers