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azamat
3 years ago
11

What is the solution set for 7x−3=18 , given the replacement set {0, 1, 2, 3, 4}?

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
8 0
The answer is x=3.
add 3 to each side of the equation and you get 7x=21
7*3=21.
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Which of the following describes how to read the decimal number 0.263?
Natalija [7]

Answer:

0.263

Step-by-step explanation:

4 0
2 years ago
Mel had some cartons of milk. He sold 2/5 of the cartons in the morning. He then sold 3/4 of the remainder in the afternoon. 24
Yuki888 [10]
Sold 2/5 in the morning.....leaving 3/5
he sold 3/4 of 3/5 in the afternoon......3/4 * 3/5 = 9/20

2/5 = 8/20
9/20 - 8/20 = 1/20...so he sold 1/20 more in the afternoon.
so if 1/20 = 24, then 20/20 = 24*20 = 480

so he started with 480 cartons
4 0
2 years ago
Please help and explain how you solved it. Thanks.
galina1969 [7]

Answer:

This is 0.14 to the nearest hundredth

Step-by-step explanation:

Firstly we list the parameters;

Drive to school = 40

Take the bus = 50

Walk = 10

Sophomore = 30

Junior = 35

Senior = 35

Total number of students in sample is 100

Let W be the event that a student walked to school

So P(w) = 10/100 = 0.1

Let S be the event that a student is a senior

P(S) = 35/100 = 0.35

The probability we want to calculate can be said to be;

Probability that a student walked to school given that he is a senior

This can be represented and calculated as follows;

P( w| s) = P( w n s) / P(s)

w n s is the probability that a student walked to school and he is a senior

We need to know the number of seniors who walked to school

From the table, this is 5/100 = 0.05

So the Conditional probability is as follows;

P(W | S ) = 0.05/0.35 = 0.1429

To the nearest hundredth, that is 0.14

3 0
3 years ago
The cylinder below has r = 10 inches and a volume of 6283 cubic inches to
Reil [10]
V= piR^2(h)
6283=pi(10^2)(h)
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4 0
3 years ago
Proving Angles Congruent: Find the value of x. (5x+15) degrees = (6x-10) degrees
Andrew [12]

Answer:

25 = x

Step-by-step explanation:

If the angles are congruent, they are equal

5x+15 = 6x-10

Subtract 5x from each side

5x+15 -5x = 6x-5x-10

15 = x-10

Add 10 to each side

15+10 = x-10+10

25 = x

6 0
2 years ago
Read 2 more answers
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