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DIA [1.3K]
3 years ago
10

Pliz help...............​

Mathematics
1 answer:
katrin [286]3 years ago
8 0

Answer:

Step-by-step explanation: so 7 out of 20 .35 right

and that as a percent is 35%

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A+x+6, when a=10 and x=4
kolezko [41]

Answer:

the answer is 20. 10+4+6 is 20

Step-by-step explanation:


4 0
3 years ago
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Find x, y and z<br> 82"<br> 54
scZoUnD [109]

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Step-by-step explanation:

6 0
3 years ago
(2x + 7y = -24<br>18x+y=12 solve by substitution​
const2013 [10]

Answer:

x = .87, or when approximated to a fraction, 27/31

y = -3.67, or when approximated to a fraction, -1287/350

Step-by-step explanation:

Lets start by rewriting out our equations

2x + 7y = -24

18x + y = 12

Lets solve for a y value; the second equation is easiest, as the y value has no coefficient (the number that is multiplied times a variable). To do this, lets move the 18x to the other side. Now our two equations look like:

2x + 7y = -24

y = -18x + 12

Next, lets plus the second equation into the first equation in regards to y.

2x + 7(-18x + 12) = -24

Now, lets solve!

2x -126x + 84 = -24

Then, combine your terms!

-124x = -108

Divide by (-124)!

x = -108/-124

x = 27/31

Now that we know x, lets plug this back in to the first equation to find y!

2(27/31) + 7y = -24

1.74 + 7y = -24

7y = -25.74

y = -3.67, or when approximated to a fraction, -1287/350

4 0
3 years ago
Determine the equation of the circle graphed below.
erica [24]

Answer: (-7,3)

Step-by-step explanation:

3 0
3 years ago
Help me plz i need help with this
kirill [66]

Answer:

The expression would be 4x + 12. The second part woud be 16x + 48.

Step-by-step explanation:

6 0
2 years ago
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