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2 years ago

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Chris is standing on a cliff that is 3 feet above sea level. He dives into the water and descends to a depth 10 feet below the s

urface of the sea. On a number line, what is the distance between the two elevations?
a:7
b;8
c:13
d:14

1 answer:

grin007 [14]2 years ago

6 0

The answer is 7 I’m pretty sure

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Gill wears a device that counts the number of steps she takes every day. One day she did onefifteenth of her steps before breakf

Masteriza [31]

Answer:

6000 steps

Step-by-step explanation:

1/15 +1/10+1/2=2/30+3/30+15/30=20/30=2/3

2/3=12000 steps

1/3=6000 steps

3/3=18000 steps

Her total steps should be 18000 and she has done 12000 steps.

18000-12000=6000 steps

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2 years ago

It costs $5.15 to rent a kayak for 1 hour at a local state park. The price per hour stays the same for up to 5 hours of rental.

iren [92.7K]

5.15 x 5 = 25.75

25.75 + 3.75 = 29.5

So your answer is $29.50

Hope it helps! :D

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2 years ago

A four-person committee is chosen from a group of eight boys and six girls. If students are chosen at random, what is the probab

Lapatulllka [165]

Answer: 0.07

Step-by-step explanation:

in the group, we can have only 4 persons.

we have 8 boys, and 6 girls.

We want to find the probability that in the comite we have only boys.

Ok, for the first selection, the probability of selecting a boy is equal to the number of boys divided the total number of the group ( 8 + 6 = 14) this is

p1 = 8/14.

For the second selection we do the same, but we already slected a boy, so now the number of boys is 7, and the total number of posibilities is 13.

p2 = 7/13.

for the third selection we do the same, in this case the probability is

p3 = 6/12

for the fourth selection the probability will be:

p4 = 5/11

The joint probability, of all the events happening at the same time, is equal to the product of the singular probabilities:

P = p1*p2*p3*p4 = (8/14)*(7/13)*(6/12)*(5/11) = 0.07

4 0

2 years ago

Read 2 more answers

An English teacher has equal numbers of science fiction, biography, and

swat32

Answer

1/9

Step-by-step explanation:

the chance that she gets it one day is 1/3 so you multiply that by 1/3 because there are three days.

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2 years ago

Read 2 more answers

You and a classmate have a bug collection for science class. You ﬁnd 5 out of every 9 bugs in the collection. You ﬁnd 4 more bug

FrozenT [24]

Answer:

The total number of bugs in the collection is 36

Step-by-step explanation:

Let

x -----> the number of bugs that you find out

y ----> the number of bugs that the classmate find out

we know that

$\frac{x}{y+x} =\frac{5}{9}$ -----> equation A

$x=y+4$ ----> equation B

Solve the system by graphing

Remember that the solution is the intersection point both graphs

The solution is the point (20,16)

The total number of bugs in the collection is

$(20+16)=36\ bugs$

5 0

2 years ago