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3 years ago

-4 -5c - 6 + 5c - 2c

Mathematics

2 answers:

xxMikexx [17]3 years ago

7 0

Answer:

-4 -5c -6 +5c -2c

-2c -10

Step-by-step explanation:

avanturin [10]3 years ago

3 0

Answer:

-2c-10 :)

Step-by-step explanation:

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4 years ago

Read 2 more answers

Determine the values of k for which the equation has no solution

Naddik [55]

To solve this, we would need to figure out the values of $k$ for which an absolute value is negative. From basics, you should know that an absolute value is always greater than or equal to 0.

If we rearrange this equation a little bit, we get,

$|2x+7|\leq 5+k$

So $5+k$ cannot be negative. So,

$5+k\geq 0\\k\geq -5$

For this to have a solution, k needs to be greater than or equal to $-5$ .

For no solution, k is less than -5. So, values of k which will make the equation to not have any solution is $k$ .

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babymother [125]

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Step-by-step explanation:

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3 years ago

Solve the system of inequalities to decide if the point (-3,2) is part of the solution; y<=-4x-3, +8y>=7

inna [77]

Answer:

$(x,y) = (-3,2)$ is a solution

Step-by-step explanation:

Given

$y \le -4x + 3$

$x + 8y \ge 7$

Required

Determine if $(x,y) = (-3,2)$ is a solution

$y \le -4x + 3$ becomes

$2 \le -4 * -3 + 3$

$2 \le 15$ --- this is true

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$13 \ge 7$ --- this is also true

Hence,

$(x,y) = (-3,2)$ is a solution

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Step-by-step explanation:

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