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stellarik [79]
3 years ago
12

How to add parentheses to the expression 9+5÷5+2 so the value is 2

Mathematics
1 answer:
Deffense [45]3 years ago
4 0

Answer:

9+(5÷5)+2

Step-by-step explanation:

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Is a linear model or a quadratic model a better fit?
ValentinkaMS [17]

Answer:

linear model

Step-by-step explanation:

linear graph will produce a straight line

7 0
2 years ago
What is the z-score for a patient who takes 7 days to recover? (choose the closest possibility.)
Kisachek [45]

Based on the time it took the patient to recover and the mean and standard deviation, the z-score is 1.5.

<h3>What is the z-score?</h3>

The z-score for this patient who takes 7 days to recover can be found as:

= (Time taken to recover - Mean) / Standard deviation

Solving for the z-score gives:

= (7 - 5.2) / 1.2

= 1.8 / 1.2

= 1.5

The first part of the question is:

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.2 days.

Find out more on the z-score at brainly.com/question/25638875

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5 0
1 year ago
What are orderd pairs for y=3x+4
Advocard [28]

Answer:

the ordered pairs should be y and x

Step-by-step explanation:

8 0
3 years ago
The formula for the perimeter of a rectangle Is P = 2(1+w).
rjkz [21]

Answer:

P-l/2 = w

Step-by-step explanation:

First you divide both sides by 2 then you subtract L from both sides leaving you with P minus L / 2 equals W.

7 0
2 years ago
Read 2 more answers
7. The length of a rectangle is two more than its width. The perimeter of the rectangle is 36 feet. What are the dimensions (len
Reika [66]

Step-by-step explanation:

length = x + 2

width = x

x + x + (x+2) + (x+2) = 36 ft

4x + 4 = 36 ft

4x = 32 ft

x = 32 ÷ 4

x = 8 ft

dimensions = length x width

= (x+2) × x

= (8+2) × 8

= 10 ft × 8 ft

5 0
2 years ago
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