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2 years ago

Give a situation where"time" is the dependent variable and "distance" is independent variable .

1 answer:

6 0

A group of boys planned and conducted an experiment in the park. using ten boys, they measured the distance walked by each boy every to seconds for ten seconds while carrying a heavy mass then again without the mass.

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How many ways can a dance instructor send 4 of her 11 students to a summer dance program?

Sedaia [141]

Answer:

d) 330

Step-by-step explanation:

The number of ways can a dance instructor send 4 of her 11 students to summer dance program is C(11 , 4)

That is $11_{C_{4} }$ ways

by using formula $n_{C_{r} } = \frac{n!}{(n-r)!r!}$

now simplification

$11_{C_{4} } = \frac{11!}{(11-4)!4!}$

= $\frac{11X10X9X8X7!}{(7!)4X3X2X1}$

after cancelling 7! and on simplification

= $\frac{11X10X9X8}{4X3X2X1}$

after cancellation we get 330 ways

The number of ways can a dance instructor send 4 of her 11 students to summer dance program is 330

8 0

2 years ago

The english alphabet contains 21 consonants and five vowels. how many strings of six letters, each of which is drawn from the en

Mamont248 [21]

Number of strings = $21^5(5)$ = 21 x 21 x 21 x 21 x 21 x 5 = 20 420 505

Answer: 20 420 505

6 0

3 years ago

A seal went 15 below sea level to catch a fish. A sea lion dove 6 feet less than two times as deep as the seal to catch a larger

anygoal [31]

Answer:

$2\times 15-6 = 24\ below\ sea\ level$

Step-by-step explanation:

Given that:

Distance traveled by seal to catch the fish = 15 below sea level

Sea lion wanted to catch a larger fish so sea lion dove 6 feet lesser than two time the distance that the seal traveled.

To find:

The expression to represent the position of the sea lion in the sea.

Solution:

If the distance traveled by seal is represented by $D$ then as per the question statement:

Twice of $D$ = $2\times D$

6 lesser than twice of $D$ = $2\times D$ - 6

Now, putting the value of $D$ = 15

Therefore, the expression to represent the sea lion's position w.r.to sea level.

$2\times 15-6\\ = 24\ below\ sea\ level$

5 0

2 years ago

What is square root of 167?

enot [183]

The square root of 167 would be 12.922847. If you need it rounded to the nearest tenth it would be 12.9

If you need t rounded to the nearest hundredth, it would be 12.92.

Hope this helps :)

7 0

2 years ago

Given the inequality of x < 5, select all the

diamong [38]

Nxnxnxbbxnxndnnsnsn nsnsnsndnnsndnndndnsndnndndnndnd

7 0

2 years ago