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3 years ago

6

Solve using unit rates. A person on a moving sidewalk travels 10 feet in 5 seconds. The moving sidewalk has a length of 80 feet.

How long will it take to move from one end to the other? The person will take _____ seconds to move from one end to the other.

2 answers:

melomori [17]3 years ago

4 0

Answer:

it will take 8 seconds

Step-by-step explanation:

Vedmedyk [2.9K]3 years ago

4 0

Answer:

30 seconds

Step-by-step explanation:

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Somebody please help ASAP!!!

Ad libitum [116K]

Answer:

2x+40 is what it simplifies down to

Step-by-step explanation:

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3 years ago

Read 2 more answers

Limone's Lemonade Corp. has a savings plan for its employees. If an employee makes an initial contribution of $1,000.00, the com

Assoli18 [71]

Answer: I don't know

Step-by-step explanation:The annual interest rate is 5%, and the interest accrues at a compounding rate for five years. To calculate the monthly interest, simply divide the annual interest rate by 12 months. The resulting monthly interest rate is 0.417%

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3 years ago

Help please triangles and trig

Oksanka [162]

Answer:

$\sin L = \frac{3}{5}$

$\tan N = \frac{4}{3}$

$\cos L = \frac{4}{5}$

$\sin N = \frac{4}{5}$

Step-by-step explanation:

Given

The above triangle

First, we calculate the length LM using Pythagoras theorem.

$LN^2 = LM^2 + MN^2$

$10^2 = LM^2 + 6^2$

$100 = LM^2 + 36$

Collect like terms

$LM^2 = 100 - 36$

$LM^2 = 64$

Take positive square root

$LM=8$

Solving (a): Sin L

$\sin L = \frac{Opposite}{Hypotenuse}$

$\sin L = \frac{MN}{LN}$

$\sin L = \frac{6}{10}$

Simplify

$\sin L = \frac{3}{5}$

Solving (b): tan N

$\tan N = \frac{Opposite}{Adjacent}$

$\tan N = \frac{LM}{MN}$

$\tan N = \frac{8}{6}$

Simplify

$\tan N = \frac{4}{3}$

Solving (c): cos L

This calculated as:

$\cos L = \frac{Adjacent}{Hypotenuse}$

$\cos L = \frac{LM}{LN}$

$\cos L = \frac{8}{10}$

Simplify

$\cos L = \frac{4}{5}$

Solving (d): sin N

This is calculated using:

If $a + b = 90$

Then: $\sin a = \cos b$

So:

$\sin N = \cos L$

$\sin N = \frac{4}{5}$

8 0

3 years ago

Word problem for the expression 8 × (-0.25)

iogann1982 [59]

8•(-0.25) would be -2 if that's what you're asking :)

4 0

4 years ago

Each time, you take out one ball from the box and then put it

melamori03 [73]

Answer:

40/3087

Step-by-step explanation:

First, we need to count the number of each type of numbered ball.

Ball Counts: 1 - 5 balls; 2 - 2 balls; 3 - 1 ball; 4 - 2 balls; 5 - 4 balls; 6 - 3 balls; 7 - 1 ball; 8 - 2 balls; 9 - 1 ball, there are then a total of 21 balls

Next, you need to find the probability of each event.

Get less than 4

p(<4) = (5+2+1)/21

p(<4) = 8/21

Get less than 2

p(1) = 5/21

Get exactly 6

p(6) = 3/21

p(6) = 1/7

Next, we need to find the probability of all three events by multiplying the probabilities together.

p(all three) = (8/21)*(5/21)*(1/7)

p(all three) = 40/3087

The probability of all three events occurring is 40/3087.

7 0

4 years ago