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kap26 [50]
3 years ago
5

The Outdoors Club members are planning some activities to do on a sunny autumn Saturday. One half of the members are going hikin

g. One fourth of the members are bike riding. One eighth of the members are rock climbing. Nine of the members are walking their dogs. How many Outdoor Club members are doing an activity on Saturday?
Mathematics
2 answers:
stira [4]3 years ago
6 0
72 members
1/8 is 9 members
9 x 8 = 72
kati45 [8]3 years ago
5 0

Answer:

72

Step-by-step explanation:

Lets say total number of Outdoor club member = x

Members going for hiking = \frac{x}{2}

Members going for bike riding = \frac{x}{4}

Members going for rock climbing = \frac{x}{8}

Member going for walking their dogs = 9

Thus,

x=\frac{x}{2}+\frac{x}{4}+\frac{x}{8}+9

x-\frac{x}{2}-\frac{x}{4}-\frac{x}{8} = 9

\frac{8x-4x-2x-x}{8}=9

\frac{x}{8}=9

x=72

72 Outdoor Club members are doing an activity on Saturday.

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A special deck of cards has ten cards. Four are green (G), four are blue (B), and two are red (R). When a card is picked, the co
a_sh-v [17]

Answer:

{GT, GH, BT, BH, RT, RH};

1 /5;

Mutually exclusive ;

Not mutually exclusive.

Step-by-step explanation:

Given :

Green cards, G = 4

Blue cards, B = 4

Red cards, R = 2

For a coin toss :

{H, T}

A card is picked, then a coin is tossed :

Sample space :

{GT, GH, BT, BH, RT, RH}

2.) probability of picking a green card, then probability of landing a head on a coin toss

P(A) = number of required outcome / Total possible outcomes

P(A) = P(green card) * P(Head)

P(A) = (4 / 10) * (1/2)

P(A) = 4 /20

P(A) = 1/5

C.)

Both A and B are mutually exclusive, since both event A and event B cannot occur together, since both red and green cannot be picked during a single pick, this either a red is picked or green is picked, then they are A and B are mutually exclusive.

D.) Event A and C are not mutually exclusive, picking a green card, event A and picking a red or blue card, event B. Both event can happen simultaneously, hence, event A and B are not mutually exclusive.

6 0
3 years ago
4-x/5 =x-4/6 please help me with this question
marshall27 [118]

Answer:

answer is 0 meaning there is no solution

Step-by-step explanation:

3 0
2 years ago
Choose the function whose graph is given below.
torisob [31]

Answer:

A y=tanx

Step-by-step explanation:

mark me brainliest pl

7 0
2 years ago
Mr. Itol's assistant takes twice as long to complete a computer task as Mr. Itol. If it takes both experts 6 hours to complete t
Lesechka [4]
So, in order to solve this problem, I will set up an equation. First, let's make x= the # of hours it takes Mr. Itol to complete a computer task, and since his assistant takes twice as long, lets make 2x=the # of hours it takes the assistant to complete the task. We also know that it takes the two of them 6 hours to complete the task together. We can now set up the following equation: 

\frac{1}{2x} +  \frac{1}{x} =  \frac{1}{6}

Now, in order to be able to solve this, we have to find the least common denominator, and then we can cancel out the denominators to solve for the top part. The LCD=6x and the new equation becomes: 

\frac{3}{6x} +  \frac{6}{6x} =  \frac{x}{6x}

Now, we can get rid of the denominators, and we get:

3+6=x

So, x= 9

Now we know that Mr. Itol would take 9 hours to complete the task if he were to do it himself. To find how long it would take his assistant to complete the same task by himself, we just need to plug in the x-value into 2x:

2(9)=18

Therefore, your answer is that Mr. Itol would take 9 hours to do the job alone, while his assistant will take 18 hours (double the time) to do the job alone.

Hope this helps :) 










4 0
3 years ago
What‘s 1+1? ;);) have a good day :)
galben [10]

Answer: 2 :))

Step-by-step explanation: hope you also have a good day!!

4 0
3 years ago
Read 2 more answers
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