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Kitty [74]
3 years ago
12

Helpppppppppppp pleaseeeeeeeeee

Mathematics
2 answers:
Vaselesa [24]3 years ago
8 0

Answer:

B. x=24

Step-by-step explanation:

We can start by isolating the square root by adding one to both sides:

-1+\sqrt{3x-8} =7\\\sqrt{3x-8}=8

Now, we can square both sides and solve:

3x-8=64\\3x=72\\x=24

makkiz [27]3 years ago
5 0

Answer:

it is b

Step-by-step explanation:

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2. On Monday, I bought 3 dogs and 5 cats for a total cost of $8.25. On Tuesday, I bought 3 dogs and 6 cats for a total cost of $
Ratling [72]
I don’t know if you need to round, but you can do so on the answer for mondays if necessary

On Monday, the animals cost $1.03125.
On Tuesday, the animals cost exactly $1.
7 0
2 years ago
A basketball player has made 6060​% of his foul shots during the season. Assume the shots are independent. ​
motikmotik

Answer:

a) 2.5 shots

b) 59.4 shots

c) 4.87 shots

Step-by-step explanation:

Probability of making the shot = 0.6

Probability of missing the shot = 0.4

a) The expected number of shots until the player misses is given by:

E(X) = \frac{1}{P(X)}=\frac{1}{0.4}  \\E(X) = 2.5\ shots

The expected number of shots until the first miss is 2.5

b) The expected number of shots made in 99 attempts is:

E=99*0.6\\E=59.4\ shots

He is expected to make 59.4 shots

c) Let "p" be the proportion shots that the player make, the standard deviation for n = 99 shots is:

s=\sqrt{n*p*(1-p)}\\ s= 4.87\ shots

The standard deviation is 4.87 shots.

7 0
2 years ago
I didn't learn about asynchronous cause i missed school​
SashulF [63]

Answer:

Go ask your teacher for the video

Step-by-step explanation:

3 0
3 years ago
12 over 65.4 = 24 over x (12/65.4=24/x) What is x?
Tpy6a [65]
The answer is 130.8 hope it helps
7 0
3 years ago
A rectangle has a perimeter of 52 inches. The length of the rectangle is 4 inches more than its width. What is the length of the
erica [24]

Answer: The length of the rectangle is 15 inches

Step-by-step explanation:

Let L represent the length of the rectangle.

Let W represent the width of the rectangle.

The perimeter of a rectangle is expressed as 2 length + 2 width

Perimeter = 2(L + W)

The rectangle has a perimeter of 52 inches. It means that

2(L + W) = 52

L + W = 52/2 = 26 - - - - - - - 1

The length of the rectangle is 4 inches more than its width. It means that

L = W + 4

Substituting L = W + 4 into equation 1, it becomes

W + 4 + W = 26

2W = 26 - 4 = 22

W = 22/2 = 11

L = W + 4 = 11 + 4 = 15

8 0
3 years ago
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