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liubo4ka [24]
2 years ago
7

A box is filled with 14 green cards, 2 yellow cards, and 2 red cards. A card is chosen at random from the box. What is the proba

bility that it is a green or a red card?
Write your answer as a fraction in simplest form.
Mathematics
1 answer:
murzikaleks [220]2 years ago
3 0

Answer:

Probability of getting a green card = 14/18 = 7/9

Probability of getting a red card = 2/18 = 1/9

Step-by-step explanation:

Answer from Gauth math

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Find the equation of the line through (10, 4) that is parallel to the line with the equation
lyudmila [28]

Answer:

x + y = 14

Step-by-step explanation:

Parallel lines have the same slope, so the line's slope will be -1.

Plug this slope and the given point into y = mx + b to find b:

y = mx + b

4 = -1(10) + b

4 = -10 + b

14 = b

Then, plug this and the slope into y = mx + b

y = -x + 14

Then, put this into standard form by moving the x to the other side:

x + y = 14 is the equation in standard form

6 0
3 years ago
2) A pharmacist has 60 ml of an 8% alcohol solution. How much water should be evaporated so that the solution that remains is 10
Amiraneli [1.4K]

Answer:

let water evaporated be x ml

...

acid 8% ------60 ml

...

final quantity = 10% ----(60-x)

..

60*8 = 10(60-x)

480=600-10x

10x=600-480

10x= 120

/10

x=12 ml should be evaporated.

Step-by-step explanation:

4 0
3 years ago
Ms. Houston's fifth-grade class of 20 students is going to a museum.
nydimaria [60]

Answer:

7 fossils

Step-by-step explanation:

Find the cost for transportation by multiplying 20 by 5, since it is $5 per student and there are 20 students

20(5)

= 100

Subtract this from 128, since they raised $128

128 - 100

= 28

This means they have $28 to spend on fossils.

To find how many they can buy, divide 28 by 4, since they are $4 each

28/4

= 7

So, they can buy 7 fossils with the money they have left

3 0
3 years ago
Solve the following​
Anastaziya [24]

Answer:

Q1

|a-b| = b-a when a<b

Q2

104159/33000

Step-by-step explanation:

Q1

If a<b then a-b will always be negative.  To get the absolute value, we can take -(a-b) = -a+b = b-a.

Q2

Let x = 3.12789789789...

We isolate the repeating decimal to start after the decimal, so we multiply by 100.

100x = 312.789789789...

We want to multiply by 10 for each digit that repeats (in this case 3), to get the repeating part to the left of the decimal.

100000x = 312789.789789

Subtracting the two...

x(100000-100) = 312789.789789 - 312.789789

99900x = 312477

x = 312477/99000 = 104159/33000

3 0
3 years ago
How do i find the value of x and y ?
OLEGan [10]
4x+16=6x
16=2x
8=x

And 11y+6x=180 (line)
11y+6(8)=180
11y+48=180
11y=132
Y=12


4 0
3 years ago
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