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aliya0001 [1]
3 years ago
7

What is 0+-4????????????

Mathematics
2 answers:
Fed [463]3 years ago
7 0
Integer Numbers -They are all positive and negative whole numbers, which do not include any fractional or decimal part.  

Consist of the set of numbers: {…-4, -3, -2, -1, 0, 1, 2, 3, 4…} 

If a number has no sign it usually means that it is a positive<span> number. 

Example {0,1,2,3,4,5,6.....}
</span>
<span>Adding and Subtracting integers 
</span>
       <span>      Adding integers</span>

(+)+(+) = + sum

(-)+(-) = - sum  

(+)+(-) or (-)+(+) = difference of numbers with signs of larger number in absolute value. 

           Subtracting Integers

(-)(-) = + sum 

(-)(+) = - sum 

Since 0 is a positive number and -4 is a negative number, we can represent them as (-)(+) = - sum 

0+(-4) Equation 

0-4   Simplify 

-4  = Solution
Mumz [18]3 years ago
4 0
0 + -4 = -4 

the 0 has no value and cannot add anything on top of the -4

So -4 stays the same:)

Answer = -4 

Good Luck! :)
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Write 0.0000004954 in scientific notation.
SCORPION-xisa [38]
By scientific notation I am assuming you mean standard form, as that is used primarily in scientific calculations. The answer in standard form would be
4.954 \times  {10}^{ - 7}
I hope this helps!

4 0
3 years ago
Read 2 more answers
3/5 x 1/5+1/5 x 73/3
insens350 [35]

So,

3/5 x 1/5 = 3/25

3/25 + 1/5 = 8/25

8/25 x 73/3 = 7 59/75

I hope this helps

5 0
3 years ago
Needs help with algebra ​
Maslowich

Answer:

4 {a}^{2}  + 5b = 9b - 7c

=> 4 {a}^{2}  + 7c = 9b - 5b

=>  \frac{4 {a}^{2} + 7c }{4}  = b

option C

6 0
3 years ago
Acil çözebilir misiniz? lütfen​
Basile [38]

Answer:

c

Step-by-step explanation:

7 0
3 years ago
27% of all college students major in STEM (Science, Technology, Engineering, and Math). If 47 college students are randomly sele
scoray [572]

Answer:

0.12995

0.47508

0.0841

0.738

Step-by-step explanation:

Given that:

Percentage of STEM (p) = 27% = 0.27

Sample size (n) = 47

Using Normal approximation :

Mean (m) = n*p = 47 * 0.27 = 12.69

Standard deviation (s) = √(n*p*q)

q = 1 - p = 1 - 0.27 = 0.73

Standard deviation (s) = √(47*0.27*0.73) = 3.04

a. Exactly 13 of them major in STEM.

P(12.5 < x < 13.5)

USing the z formula :

(x - m) / s

(12.5 - 12.69) / 3.04 < x (13.5 - 12.69) / 3.04

-0.0625 < z < 0.2664

Using the z probability calculator:

P(Z < - 0.0625) = 0.47508

P(Z < 0.2664) = 0.60503

0.60503 - 0.47508

= 0.12995

b. At most 12 of them major in STEM.

P(X ≤ 12.5)

Zscore = (x - m) / s

Zscore = (12.5 - 12.69) / 3.04

Zscore = −0.0625

P(Z ≤ - 0.0625) = 0.47508

c. At least 9 of them major in STEM.

P(X ≥ 8.5)

Zscore = (x - m) / s

Zscore = (8.5 - 12.69) / 3.04

Zscore = −1.378

P(Z ≤ - 1.378) = 0.0841

d. Between 8 and 15 (including 8 and 15) of them major in STEM.

(8.5 - 12.69) / 3.04 < x (15.5 - 12.69) / 3.04

-1.378 ≤ z ≤ 0.924

Using the z probability calculator:

P(Z ≤ 0.924) = 0.82226

P(Z ≤ - 1.378) = 0.084102

0.82226 - 0.084102

= 0.738

5 0
2 years ago
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