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Naddika [18.5K]
2 years ago
9

Solve for s. –9s − 4 = –8s

Mathematics
1 answer:
posledela2 years ago
7 0

Answer:

-s = -4

Step-by-step explanation:

-9s - 4 = -8s = -9s + 8s = -4 = -s= -4

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Column vector (4, 1) has been rotated to column vector (-1, 4). Which matrix carried out the transformation?
OLEGan [10]

Answer:

C.(3|-4)

Step-by-step explanation:

5 0
3 years ago
Sally has been measuring the tree in her yard for a science project. The tree has grown 12 of an inch each month and grown a tot
hammer [34]

Answer:

Sally has been measuring the tree for 4 months

Step-by-step explanation:

The correct question is as follows;

Sally has been measuring the tree in her yard for a science project. The tree has grown 1/2 of an inch each month and grown a total of 2 inches taller. How many months has Sally been measuring this tree?

.........................................................................................

Solution;

The tree has grown 1/2 of an inch each month and has grown a total of 2 inch taller.

We now need to know the number of months in which the measuring has been taking place.

To know the number of months, we simply need to divide the change in height which is 2 inch by the individual month growth rate which is 1/2 inch

So mathematically, that would be 2/1/2 = 2 * 2 = 4 months

3 0
2 years ago
7x + 8y = 25 9x + 10y =35 elimination method please​
djverab [1.8K]

7x +8y = 25 ~~~....(i)\\\\9x +10y = 35~~~ ....(ii)\\\\\text{Multiply equation (ii) by}~ \dfrac 79 ~ \text{and do (ii) - (i):}\\\\\dfrac 79 (9x +10y) - (7x +8y) = \dfrac 79 (35) - 25\\\\\\\implies 7x +\dfrac{70y}9 - 7x -8y = \dfrac{245}9 -25\\\\\\\implies - \dfrac{2y}9 =  \dfrac{20}9\\\\\\\implies -2y =20\\\\\implies y =-10\\\\\text{Substitute}~ y = -10~ \text{in equation (i):}\\\\\\7x +8(-10) = 25\\\\\implies 7x  = 25 +80\\\\\implies 7x = 105 \\\\\implies x =15\\\\

\\\text{Hence}~ (x,y) = (15,-10)

3 0
2 years ago
Which expression is equivalent to
yKpoI14uk [10]

Answer:

option D is the correct answer

hope it helps you

make me brainliest if u are satisfied with this answer

3 0
2 years ago
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HELP!!!!!!!!!!!!!!!!!!!!!!!!!
Vladimir79 [104]

Answer:

Step-by-step explanation:

A and E are congruent T and P are congruent the other one is T and S and the other A and B

7 0
2 years ago
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