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Anna [14]
3 years ago
14

Four swimmers are chosen to swim in a relay race. How many orders of the 4 swimmers are

Mathematics
2 answers:
Drupady [299]3 years ago
8 0

Answer:

64

Step-by-step explanation:

..............................

MakcuM [25]3 years ago
7 0

Answer:

64

Step-by-step explanation:

You take the amount of swimmers, which is 4, and then you put it to an exponent of 4 since there are four people in a line, thus giving you the answer of 64 possibilities.

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If you flip a coin and roll a six sided die what is the probability that you will flip a heads and roll at least a three
ruslelena [56]

Answer:

1/3

Step-by-step explanation:

H3,H4,H5,H6

p=1/2×1/6+1/2×1/6+1/2×1/6+1/2×1/6

=4×1/2×1/6=1/3

5 0
3 years ago
Which number is irrational <br> 25/9
pantera1 [17]
We have a fraction of two integers, so 25/9 is rational. A rational number is any fraction of two integers (as long as the denominator is not zero).
5 0
3 years ago
When adding √9 and -7, which type of number is the sum?
dezoksy [38]

We are given numbers √9 and -7.

Square root 9 is a perfect square.

Square root 9 = 3.

So, if we add square root 9 and -7, we would get

√9 + -7 = 3 -7 = -4.

So, we got a negative whole number.

<em>A negative or positive whole number is called an integer</em>.

So, it's an integer.

<h3>Therefore, correct option is D. Integer.</h3>
8 0
3 years ago
Read 2 more answers
The area of a square garden is 98m squared. How long is the diagonal?
aleksley [76]

Answer:

diagonal is 14 m

Step-by-step explanation:

We are given;

  • The area of a square garden as 98 m²

We are required to determine the diagonal of the square.

We know that;

Area of a square = s²  , where s is the side of the square

Therefore;

s² = 98

Thus;

s = √98

To get the diagonal

s² + s² = diagonal squared

Hence;

Diagonal squared = (√98)² + (√98)²

                              = 98 + 98

                              = 196

Thus;

Diagonal = √196

               = 14 m

Thus, the diagonal is 14 m

8 0
3 years ago
An investment firm invested in two companies last year. They invested $11,000
NeX [460]
(a) total profit
=11000*24%+14000*15%
=2640+2100
=$4740

(b) percent profit
=4740/(11000+14000)
= 0.1895
=18.96%
7 0
3 years ago
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