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tangare [24]
2 years ago
13

Simplify the following -1/2 + 3 1/3

Mathematics
1 answer:
ZanzabumX [31]2 years ago
4 0

Answer:

59/6 =9.83333

Simplify 31/3

Step-by-step explanation:

I'm sure it's 31/3 so check just in case

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How to determine whether to move right or left on the number line when adding rational numbers?
Vedmedyk [2.9K]
So if you're adding two negatives you move left, positive you move right, and when you have to determine a negative, and a positive you just have to see which one is the farthest from zero which the farthest one's sign is either positive, or negative. Positive to move right, and negative to move left.

7 0
3 years ago
Why is 1 + (−5) equal to −4?
ruslelena [56]

Answer:

because its 5 units to the left on a horizontal number line

8 0
3 years ago
Read 2 more answers
A set of magical wand prices are normally distributed with a mean of 50 dollars and a standard deviation of 4 dollars. A blackth
Anna11 [10]

Complete Question

A set of magical wand prices are normally distributed with a mean of 50 dollars and a standard deviation of 4 dollars. A blackthorn wand has a price of 45.20. What proportion of wand prices are lower than the price of the blackthorn wand? You may round your answer to four decimal places

Answer:

0.1151

Step-by-step explanation:

We solve using z score formula

z = (x-μ)/σ, where

x is the raw score = $45.20

μ is the population mean = $50

σ is the population standard deviation = $4

We are solving for x < 45.20

Hence:

z = 45.20 - 50/4

z = -1.2

Probability value from Z-Table:

P(x<45.20) = 0.11507

Approximately to 4 decimal places = 0.1151

Therefore, the proportion of wand prices that are lower than the price of the blackthorn wand is 0.1151

8 0
2 years ago
What is an equation of a circle with center (2,7) and radius 4?
goblinko [34]

Equation of a circle:

(x - h)^2 + (y - k)^2 = r^2


In this case:

<span>center (2,7) and radius 4 so h = 2, k = 7 and r = 4

</span>Equation:

(x - 2)^2 + (y - 7)^2 = 4^2

(x - 2)^2 + (y - 7)^2 = 16


Hope it helps.

8 0
3 years ago
Solve the equation.<br> -6p=48
malfutka [58]

Answer:

p=-8

Step-by-step explanation:

A negative multiplied by a negative is a positive.

3 0
3 years ago
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