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Vera_Pavlovna [14]
3 years ago
10

A box is filled with 3 yellow cards , 4 green cards. A card is chosen at random from the box. What is the probability that the c

ard is not green?
Mathematics
2 answers:
nasty-shy [4]3 years ago
6 0

Answer:

3/7

Step-by-step explanation:

total cards 3+4 = 7

Not green = 7-4 = 3 cards

P ( not green )= not green cards / total = 3/7

Dovator [93]3 years ago
5 0

Answer:

3/7.

Step-by-step explanation:

There are seven cards in total, four of them being green.

The knowledge of the color of the other cards aren't really nessesary, so you can just subtract four from seven, which is three.

<em>Hope this helped!</em>

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The Schuller family has five members. Dad is 6ft 2in tall. Mom is 3 inches shorter than Dad, but 2 inches taller than Ivan. Marc
ohaa [14]

Answer:

62 inches

Step-by-step explanation:

Let x be the height ( in inches ) of Ivan,

∵ Marcia is 5 inches shorter than Ivan,

height of Marcia = x - 5,

Marcia is  twice as tall as Sally-Jo,

height of sally-jo = \frac{x-5}{2}

Mom is 2 inches taller than Ivan.

⇒ height of mom = x + 2,

Mom is 3 inches shorter than Dad,

height of dad = x + 2 + 3 = x + 5,

So, mean height of family is,

\frac{x+x-5+\frac{x-5}{2}+x+2+x+5}{5}

=\frac{2x+2x-10+x-5+2x+4+2x+10}{10}

=\frac{9x-1}{10}

According to the question,

x + 5 = 74 ( 1 ft = 12 in )

x = 69

Hence, mean height of the family = \frac{9\times 69-1}{10}

=\frac{620}{10}

= 62 inches

6 0
3 years ago
The following are the distances (in miles) to the nearest airport for 14 families.
AlekseyPX
Median=27
Lower quartile=21
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6 0
3 years ago
6. Darcy jogs 3 km in 20 min.
vivado [14]

Step-by-step explanation:

a) 3km=20 minutes

times both side by 3 as 20x3 is 60mins equal 1 hour

so 3kmx3 is 9km

b) 3km is 20 mins

times both side by 6 as 20x6 is 120 mins which is equivalent to 2 hours

therefore, 3kmx6 is 18km

c) the assumption is that the longer you run means that youll jog more further so more fitness

5 0
4 years ago
A ladder is placed with its foot 5m from the bottom of a wall 12m high. The top of the ladder just
Stels [109]

Answer:

13 m

Step-by-step explanation:

The ladder forms a right triangle with the wall that has legs of 5 and 12. We need to solve for the length of the ladder, which in this case, is the hypotenuse of the right triangle. You could use the Pythagorean Theorem but there's an easier way to do this. We can use the 5 - 12 - 13 Pythagorean triple so we know that the length of the ladder is 13 m.

8 0
4 years ago
Lets just say I have 200 bullets, and I.. load em all up :) And lets just say for fun, I load up another 200 bullets. Now hypoth
Radda [10]

Answer:

Well.... First you find all possible exits then make sure no one leaves. Then you take out the adults(If any) to make sure no one is called. Finally light them up. Depending on where they are will depend on how many rounds you use.

Step-by-step explanation:

6 0
3 years ago
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