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Elenna [48]
3 years ago
10

A bag contains 6 blue coins and 7 red coins. A coin is removed at random and replaced by three of the other color.

Mathematics
1 answer:
Karo-lina-s [1.5K]3 years ago
5 0
1/4 or maybe even 100grams of blow
You might be interested in
Find the location of the x-intercept, the location of the y-intercept, and the slope for the line
I am Lyosha [343]

Answer:

x intercept  (15/4,0)

y intercept (0,2)

slope 8/15

Step-by-step explanation:

15y − 8x = 30.

To find the x intercept, set y =0

15(0) -8x = 30

8x = 30

Divide each side by 8 to solve for x

8x/8 = 30/8

x = 15/4

To find the y intercept, set x =0

15y -8(0) = 30

15y = 30

Divide each side by 15

15y/15 = 30/15

y =2

To find the slope we solve the equation for y

15y − 8x = 30.

Add 8x to each side

15y − 8x+8x =8x +30.

15y = 8x +30

Divide each side by 15

15y/15 = 8x/15 +30/15

y = 8/15x +2

The slope is 8/15

4 0
3 years ago
Help me please..........
aleksklad [387]

Answer:

66.4°

Step-by-step explanation:

→ Find the side which is not given

Hypotenuse = 15 cm

Opposite = ?

Adjacent = 6 cm

→ Utilise the formula triangle with out opposite in it

Cos⁻¹ = Adjacent ÷ Hypotenuse

→ Substitute in the terms

Cos⁻¹ = 6 ÷ 15 ⇔ 66.4°

3 0
2 years ago
Determine how many square inches of wrapping paper you need to wrap a box that is 8 inches wide, 12 inches long, and 2 inches de
vodomira [7]
Use the volume formula
V=l•w•h
Soo…
V=8•12•2 and that would be your answer
5 0
3 years ago
In which step did Viet make an error? 2 ( x − 3 ) 2 + 4 = 102 2 ( x − 3 ) 2 = 106 Step 1 ( x − 3 ) 2 = 53 Step 2 x − 3 = ± 53 St
vitfil [10]

Answer:

Step 2

Step-by-step explanation:

Given

Step 1: 2(x - 3)^2 + 4 = 102

Step 2: 2(x - 3)^2  = 106

Step 3: x - 3  = \±\sqrt{53

Step 4: x  = \±\sqrt{53} + 3

Required

Where did Viet made an error?

The step 1 indicates the original question.

2(x - 3)^2 + 4 = 102

To get to step 2, we have to subtract 4 from both sides of the equation.

2(x - 3)^2 + 4 -4= 102 - 4

2(x - 3)^2 = 98

However, the above expression is different from Viet's evaluation.

<em>Hence, we can conclude that Viet made an error in step 2</em>

5 0
2 years ago
23. According to one of Tolkien's essays, there were 144 elves originally created by the gods in Middle-Earth. If their numbers
oksian1 [2.3K]

Answer:

D

Step-by-step explanation:

elves in 1000 years = elves now x (rate of increase)^time

elves increase every century. there are ten years in a century. thus time = 1000/100 = 10 years

144 x (3)^10 =  8,503,056 elves

5 0
2 years ago
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