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Marrrta [24]
3 years ago
8

HELP FASTTT

Mathematics
2 answers:
vichka [17]3 years ago
7 0

Answer:

The answer is B

Step-by-step explanation:

erik [133]3 years ago
6 0
B.the interquartile range for group a students is 1.5 more than the interquartile range for group b students
B.the interquartile range for group a students is 1.5 more than the interquartile range for group b students
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Simplify the expression.<br> - (m<br> m + 3n - 13)
natulia [17]

Answer:

=  -  {m}^{2}  - 3n + 13

Step-by-step explanation:

- (m \times m + 3n - 13)

m \times m =  {m}^{1}  \times m

{m}^{1}  \times  {m}^{1}  =  {m}^{1 + 1} =  {m}^{2}

- ( {m}^{2}  + 3n - 13)

=  -  {m}^{2}  - 3n + 13

7 0
3 years ago
Which equation results from adding the equations in this system?
MArishka [77]

Answer:

8y = -6

Step-by-step explanation:

x + 6y -x +2y = 9 +(-15) ➡ 8y = -6

5 0
3 years ago
What is the product of 2+i and 3-2i?
Darina [25.2K]

Answer:

8-i

Step-by-step explanation:

(2+i)(3-2i)

6-4i+3i-2(-1)

6-i+2

8-i

5 0
2 years ago
How did astronomer Yi Xing (A.D. 683-727) contribute to the development of mathematics in china?
SSSSS [86.1K]

Answer:

Yi Xing invented the astronomical clock and introduced some new methods of interpolation in mathematics.

Step-by-step explanation:

Yi Xing was both an astronomer and a mathematician during the era. He invented the astronomical clock which was more accurate than the initial water and Sun's clock in use.

Furthermore, Yi Xing also discovered some new methods of interpolation in mathematics of which the meaning and interpretation became controversial. Interpolation is a method majorly in mathematics that can be used to estimate a value of a function from its discrete values. It involves first order differences and second order differences.

Also, Yi Xing was able to design a calendar in A.D. 727.

4 0
3 years ago
How do u express one-half of the difference of a number cubed and one?
Ksivusya [100]
The expression ' one-half difference of a number cubed and one'. is written as \frac{1}{2}(x^3-1)
4 0
3 years ago
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