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seropon [69]
3 years ago
13

Help me i jus wanna play sum 2k so yuh hurry

Mathematics
2 answers:
joja [24]3 years ago
7 0

Answer:

the first one is compensation

the last one is a rectangle

and the second one is partial products

Step-by-step explanation:

your welcome plzzzz give me some stars

Shalnov [3]3 years ago
5 0

Answer:

:-p

Step-by-step explanation:

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Use a matrix equation to solve the system of linear equations. left brace Start 2 By 1 Matrix 1st Row 1st Column 2nd Row 1st Col
natali 33 [55]

Answer:

\left[\begin{array}{ccc}3&-1&\\-1&1/2\\\end{array}\right]

Step-by-step explanation:

The matrix system for the linear equations: x + 2y = 8, 2x + 6y = 9

\left[\begin{array}{ccc}1&2&\\2&6\\\end{array}\right] \left[\begin{array}{ccc}x\\y\end{array}\right] = \left[\begin{array}{ccc}8\\9\end{array}\right]

To get the coefficient of x and y, the inverse of the first matrix (let the first matrix be A) must be known.

A^{-1} = (1 / determinant of A) x Adjoint of A

the determinant of A = (1 x 6) - (2 x 2) = 6 - 4 = 2

Adjoint of A = \left[\begin{array}{ccc}6&-2&\\-2&1\\\end{array}\right]

A^{-1}= \frac{1}{2} \left[\begin{array}{ccc}6&-2\\-2&1\end{array}\right] = \left[\begin{array}{ccc}3&-1&\\-1&1/2\\\end{array}\right]

4 0
2 years ago
Can somebody help me solve this ?
77julia77 [94]

Step-by-step explanation:

volume of sphere = 288

based on formula, V = 4/3πr³

288 = 4/3(3.14)r³

288 = 4.187(r³)

r³ = 288/4.187

r =

\sqrt[3]{68.78}

r = 4.09

= 4.1

5 0
3 years ago
X^2+25x-156=0 ayúdenme
Sonbull [250]
X= -25/2 + 1/2 _/1249
3 0
3 years ago
The table shows the snack preferences of 50 shoppers at the mall. what is the probability that one shopper, selected at random f
Ipatiy [6.2K]
1/5 is the answer homie

6 0
3 years ago
Read 2 more answers
On​ Tuesday, it snowed 15 inches in 6 hours. On​ Friday, it snowed 30 inches in 8 hours. On which day did it snow at a greater r
Viktor [21]

Answer: Friday, 1.25 more per hour

Step-by-step explanation: if we take the inches it snowed and divide it by the hours, we get the rate of snowfall for one hour. 15/6=2.5 and 30/8=3.75

To get how much more we take the bigger snowfall per hour minus the smaller snowfall per hour 3.75-2.5=1.25

6 0
2 years ago
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