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Dominik [7]
3 years ago
14

1. x-1 / 6 =2 2. -3= k-5 / 16 Find x and k

Mathematics
1 answer:
Ipatiy [6.2K]3 years ago
7 0

Answer:

x = 13

k = 43

Step-by-step explanation:

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

Multiply both sides by 6

\frac{6}{1} × \frac{x-1}{6} = 2 × \frac{6}{1}

x - 1 = 12

Add one to each side

x = 13

-3 = \frac{k-5}{16}

Multiply both sides by 16

\frac{16}{1} × -3 = \frac{k-5}{16} × \frac{16}{1}

k - 5 = -48

Add 5 to each side

k = 43

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A circular swimming pool is 21 feet in diameter.What is the circumference of the swimming pool
vazorg [7]

Answer:

65.94 ft.

Step-by-step explanation:

pi*d=C

pi*21=65.94

6 0
3 years ago
Plz help me with this. It is a test
Tatiana [17]

Answer:

5 divided by 20= 1/4

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
If a store had 330 video games, and 47% of the games were for Xbox, and 53% were for ps4, then how many xbox and ps4 games are i
Bingel [31]

Answer:

The number of games for Xbox is about 155

The number of games for PS4 is about 175

Step-by-step explanation:

Let us find the numbers of games for Xbox and for PS4 game

∵ There are 330 video games in the store

∵ 47% of them were for Xbox

- Multiply 47% by 330

∴ The number of games for Xbox = 47% × 330

∵ 47% = \frac{47}{100}

∴ The number of games for Xbox = \frac{47}{100} × 330

∴ The number of games for Xbox = 155. 1

∴ The number of games for Xbox ≅ 155

∵ 53% of them were for PS4

- Multiply 53% by 330

∴ The number of games for PS4 = 53% × 330

∵ 53% = \frac{53}{100}

∴ The number of games for PS4 = \frac{53}{100} × 330

∴ The number of games for PS4 = 174.9

∴ The number of games for PS4 ≅ 175

4 0
3 years ago
Please don't give me a FILE<br> PLEASE HELPPP ILL GIVE 15 POINTS AND BRAINLIST
pickupchik [31]

Answer:

3/2

Step-by-step explanation:

My reasoning is that the sum of the numbers in the left is equal to the sum of the numbers in the right.

Therefore 6=2y+3

2y=6-3

2y=3

y=1.5 or 1and a half which is equivalent to 3/2

4 0
3 years ago
(b) Develop a probability distribution for x y. x y f(x y) 130 Incorrect: Your answer is incorrect. 80 Incorrect: Your answer is
GenaCL600 [577]

Answer:

P(X = x, Y = y) = f(x, y)

Step-by-step explanation:

Let X be a discrete random variable, and suppose that the possible values that it can assume are given by x1, x2,  x3, . . . , arranged in some order. Suppose also that these values are assumed with probabilities given by

P(X = xk) = f(xk)                k = 1, 2, . . . (1)

It is convenient to introduce the probability function, also referred to as probability distribution, given by

P(X = x) = f(x)

If X and Y are two discrete random variables, we define the joint probability function

of X and Y by

P(X = x, Y = y) = f(x, y)

where f(x, y) ≥ 0

5 0
3 years ago
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