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Galina-37 [17]
2 years ago
13

Find the sum. negative 4 plus 16

Mathematics
2 answers:
lorasvet [3.4K]2 years ago
6 0

Answer:

postive 12

Step-by-step explanation:

16-4=12


Liula [17]2 years ago
3 0

Answer:

12

Step-by-step explanation:

To add a positive number and a negative number do this:

1. Keep the positive number as it is.

2. Make the negative number positive by dropping the negative sign.

3. Using the two positive numbers, subtract the smaller number from the larger number.

4. The sign of the answer is the same sign as the larger original number.

Now that you see the rule above, I'll do your problem one step at a time.

1. Keep the positive number as it is. 16 remains as 16.

2. -4 becomes 4.

3. Subtract the smaller number form the large number: 16 - 4 = 12.

4. The original numbers were -4 and 16. 16 is greater than 4, and 16 is positive, so our answer is positive.

Answer: -4 + 16 = 12

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Wayne and Winston are scuba diving and are ascending to the surface. The function y = 30x − 105 represents Wayne’s elevation in
arsen [322]
The function that represents Wayne´s elevation:
y = 30 x - 105
The function that represents Winston´s elevation:
- 100 = 0 m + b
b = -100
-16 = 3m - 100
3 m = 84
m = 84 : 3 = 28
y = 28 x - 100
Surface level: y = 0
Wayne:
0 = 30 x - 105
x = 3.5 minutes
Winston:
0 = 28 x - 100
x = 3.57 minutes
If they both ascend at the same rate, Wayne will be first to the surface.
5 0
3 years ago
Please HELP. Picture above
Dmitrij [34]

Answer:

1.  1/2

2.  3/10

3.  11/20

4.  3/4

5. 4/5

6. 19/25

7.  6/25

8. 17/25

9. 11/25

10. 85%

11.  90%

12. 10%

13. 95%

14. 72%

15. 21%

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7 0
2 years ago
Can 29 be broken down to an even number
Novay_Z [31]
29 can not be broken down to an even number
8 0
3 years ago
When Carson runs the 400 meter dash, his finishing times are normally distributed with a mean of 63 seconds and a standard devia
Gnom [1K]

Answer: in 95% of races, his finishing time will be between 62 and 64 seconds.

Step-by-step explanation:

The empirical rule states that for a normal distribution, nearly all of the data will fall within three standard deviations of the mean . The empirical rule is further illustrated below

68% of data falls within the first standard deviation from the mean.

95% fall within two standard deviations.

99.7% fall within three standard deviations.

From the information given, the mean is 63 seconds and the standard deviation is 5 seconds.

2 standard deviations = 2 × 0.5 = 1

63 - 1 = 62 seconds

63 + 1 = 64 seconds

Therefore, in 95% of races, his finishing time will be between 62 and 64 seconds.

6 0
2 years ago
8. Terry, a plumber, worked 9 months out of the year. What percent of the year
Burka [1]

Answer:

25%

Step-by-step explanation:

9/12 = 3/4

1/4 (the months he wasn't working) = 25%

3 0
2 years ago
Read 2 more answers
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