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3 years ago

I’m broke with points

Mathematics

2 answers:

Kamila [148]3 years ago

8 0

Answer:

12.6

Step-by-step explanation:

jolli1 [7]3 years ago

4 0

It would 12.6 cause if you divid 12 and 20 together you get 0.6 and you don’t have to change the 12 so yay

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Complete the table showing the price of different amounts of grapes at this rate

luda_lava [24]

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2 years ago

4(10x+6)--10(9x+9) please show your work

Lynna [10]

Answer:

x = -1.32

Step-by-step explanation:

I expect '--' means equals to '=' in your question

4(10x+6)--10(9x+9)

4(10x+6)=10(9x+9)

40x +24 = 90x +90

40x - 90x = 90 - 24

-50x = 66

x = -66/50

x = -1.32

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3 years ago

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Elina [12.6K]

Step-by-step explanation:

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2 years ago

Help please & thank you

tatiyna

The equation would be y = 60x + 20

5 0

3 years ago

Follow the directions to solve the system of equations by elimination. 8x + 7y=39 4x – 14y = -68

harina [27]

Step-by-step explanation:

Hey there!

Here;

The equations are;

$8x + 7y = 39.......(i)$

$4x - 14y = - 68..........(ii)$

Multiplying equation (i) by 2.

16x + 14y = 78

4x - 14y = -68

20x = 10

$x = \frac{10}{20}$

x = 1/2.

Putting value of 'x' in equation (i).

$8 \times \frac{1}{2} + 7y = 39$

$4 + 7y = 39$

$7y = 3 9 - 4$

$y = \frac{35}{7}$

Therefore the value of y is 5.

Check:

Put value of x and y in equation (i).

8x + 7y = 39

$8 \times \frac{1}{2} + 7 \times 5 = 39$

$4 + 35 = 39$

$39 = 39$

(True).

Therefore, the solution is ; (1/2,5).

Hope it helps...

8 0

3 years ago