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4vir4ik [10]
3 years ago
9

Solve the inequality 2 + 5z > 17 and determine for which of the following value(s) for z the inequality is true. Show your wo

rk and calculations.
z = -10, -4, 3, 6
Mathematics
2 answers:
bija089 [108]3 years ago
8 0

Answer:

3

Step-by-step explanation:

balandron [24]3 years ago
3 0

Answer:

3

Step-by-step explanation:

2 + 5z > 17

5z > 17-2

5z > 15

5z/5 > 15/5

z > 3

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How do you solve interquartile range?
77julia77 [94]
By Hand
Step 1: 
Put the numbers in order.
1, 2, 5, 6, 7, 9, 12, 15, 18, 19, 27.

Step 2: 
Find the median.
1, 2, 5, 6, 7, 9, 12, 15, 18, 19, 27.

Step 3: 
Place parentheses around the numbers above and below the median. 
Not necessary statistically, but it makes Q1 and Q3 easier to spot.
(1, 2, 5, 6, 7), 9, (12, 15, 18, 19, 27).

Step 4: 
Find Q1 and Q3
Think of Q1 as a median in the lower half of the data and think of Q3 as a median for the upper half of data.
(1, 2, 5, 6, 7),  9, ( 12, 15, 18, 19, 27). Q1 = 5 and Q3 = 18.

Step 5: 
Subtract Q1 from Q3 to find the interquartile range.
18 – 5 = 13.
5 0
3 years ago
Read 2 more answers
If a six-sided die(1-6) and a ten-sided die(1-10) are rolled simultaneously, then what is the probability of rolling both with a
AnnyKZ [126]

Answer:

Pr = 0.20

Step-by-step explanation:

Given

n_1 = 10 ---- 10 sided

n_2 = 6 --- 6 sided

Required

P(x_1,x_2 > 4)

First, list out the sample space

S = \{(1, 1) (1, 2) (1, 3) (1, 4) (1, 5) (1, 6)(2, 1) (2, 2) (2, 3) (2, 4) (2, 5) (2, 6)

(3, 1) (3, 2) (3, 3) (3, 4) (3, 5) (3, 6) (4, 1) (4, 2) (4, 3) (4, 4) (4, 5) (4, 6)

(5, 1) (5, 2) (5, 3) (5, 4) (5, 5) (5, 6) (6, 1) (6, 2) (6, 3) (6, 4) (6, 5) (6, 6)

(7, 1) (7, 2) (7, 3) (7, 4) (7, 5) (7, 6) (8, 1) (8, 2) (8, 3) (8, 4) (8, 5) (8, 6)

(9, 1) (9, 2) (9, 3) (9, 4) (9, 5) (9, 6) (10, 1) (10, 2) (10, 3) (10, 4) (10, 5) (10, 6)\}

n(S) = 60 --- total outcomes

The event that the outcome of both is greater than 4 is:

x_1,x_2> 4 = \{(5, 5) (5, 6)(6, 5) (6, 6)(7, 5) (7, 6) (8, 5) (8, 6)(9, 5) (9, 6)  (10, 5) (10, 6)\}

n(x_1,x_2>4) = 12

So, the probability is:

Pr = \frac{n(x_1,x_2>4)}{n(S)}

Pr = \frac{12}{60}

Pr = 0.20

6 0
3 years ago
4 In Ms. Smith's class of 26 students, 12 wear glasses. What is the ratio of students who
timama [110]
If 4 isn’t part of the question it would be out of 26 students 12 wear glasses so 12:26
7 0
3 years ago
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Couch: 2x
love seat: 2x+400
chair: x
total amount: $1565
2x+2x+400+x=1565
5x+400=1565
5x=1165
x= 233
The cost of the chair is $233. The cost of the couch is $466. The cost of the love seat is $866.

Hope this helps!
7 0
3 years ago
3/10=n/50? I really need help
xeze [42]
The answer is n=15 because you have to simplify
8 0
3 years ago
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