3 years ago

-8c - 6 less than or equal to 10

1 answer:

3 0

-8c-6<10
-8c<16
C>-2

And there should be a line under the “>”. It flips because you had to decide it by a negative number.

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The diameter of a circle is 6 units what is the radius

krek1111 [17]

Answer:

r=3

Step-by-step explanation:

The diameter is double the radius. So, divide by 2.

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Do not use spaces in your answer. Solve for x. -5x + 12x - 8x = -24 x = ___ a0

const2013 [10]

Answer:

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Step-by-step explanation:

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Gala2k [10]

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3 years ago

Without drawing the graphs, find the points of intersection of the lines: a 7x+4y=23 and 8x–10y=19

emmainna [20.7K]

Answer:

(3,0.5)

Step-by-step explanation:

The given system has equations:

$7x + 4y = 23 \\ 8x - 10y = 19$

Let us multiply the second equation by 4 and the first equation by 10.

$70x + 40y = 230 \\ 32x - 40y = 76$

We add both new equations to get:

$102x = 306 \\ x = \frac{306}{102} = 3$

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The point of intersection is the solution to the system of equation which is (3,0.5)

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