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Goryan [66]
3 years ago
11

A diver was exploring the ocean. The diver dove 32 ft. below sea level. Then dove another 45 ft. At what depth was the diver?

Mathematics
1 answer:
frez [133]3 years ago
7 0

Step-by-step explanation:

add 32 ans 45 together thats your answer

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on a scale drawing of the park the sandbox is 2 inches wide actual sandbox is 8 feet wide what is the scale of the drawing​
Cerrena [4.2K]

9514 1404 393

Answer:

  1 : 48

Step-by-step explanation:

The scale is ...

  drawing : world =

  2 in : 8 ft = 2 in : 96 in

  = 2 : 96 = 1 : 48

7 0
2 years ago
A box of Georgia peaches has 3 bad and 12 good peaches. (a) If you make a peach cobbler of 12 peaches randomly selected from the
Eddi Din [679]

Answer:

a) 0.21% probability that there are no bad peaches in the peach cobbler.

b) 99.79% probability of having at least 1 bad peach in the peach cobbler

c) 7.91% probability of having exactly 2 bad peaches in the peach cobbler.

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

The order in which the peaches are chosen is not important. So the combinations formula is used to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

(a) If you make a peach cobbler of 12 peaches randomly selected from the box, what is the probability that there are no bad peaches in the peach cobbler?

Desired outcomes:

12 good peaches, from a set of 12. So

D = C_{12,12} = \frac{12!}{12!(12 - 12)!} = 1

Total outcomes:

12 peaches, from a set of 15. So

T = C_{15,12} = \frac{15!}{12!(15 - 12)!} = 455

Probability:

p = \frac{D}{T} = \frac{1}{455} = 0.0021

0.21% probability that there are no bad peaches in the peach cobbler.

(b) What is the probability of having at least 1 bad peach in the peach cobbler?

Either there are no bad peaches, or these is at least 1. The sum of the probabilities of these events is 100%. So

p + 0.21 = 100

p = 99.79

99.79% probability of having at least 1 bad peach in the peach cobbler

(c) What is the probability of having exactly 2 bad peaches in the peach cob- bler?

Desired outcomes:

2 bad peaches, from a set of 3.

One good peach, from a set of 12.

D = C_{3,2}*C_{12,1} = \frac{3!}{2!(3-2)!}*\frac{12!}{1!(12 - 1)!} = 36

Total outcomes:

12 peaches, from a set of 15. So

T = C_{15,12} = \frac{15!}{12!(15 - 12)!} = 455

Probability:

p = \frac{D}{T} = \frac{36}{455} = 0.0791

7.91% probability of having exactly 2 bad peaches in the peach cobbler.

3 0
3 years ago
HELP PLEASE IM STRUGGLING
ser-zykov [4K]

Step-by-step explanation:

Both are very correct,

5 { }^{ - 2}  =  \frac{1}{25}  \: or \:  \frac{1}{5 {}^{2} }

because any number raised to the power of a negative

is given as

a {}^{ - x}  =  \frac{1}{a {}^{x} }

if this helped pls give brainliest

4 0
2 years ago
Help i need this to be correct!!! ( I-ready math)
Romashka-Z-Leto [24]
The formula is base x height = volume so 6 x 4 = 24
I hope that helps
4 0
2 years ago
Read 2 more answers
Uh need help
deff fn [24]

Answer:

$48

Step-by-step explanation:

price of jacket : original price

3 : 4

If 64 = 4, we can find out 1.

64 / 4 = 16

16 x 3 = 48

16 x 4 = 64

48 : 64

sale price = $48

Hope this helps!

- profparis

3 0
1 year ago
Read 2 more answers
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