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Annette [7]
2 years ago
15

Solve the inequality 1≥−y/4

Mathematics
2 answers:
scoundrel [369]2 years ago
6 0

Answer:

y≥-4 or (-4,∞)

Step-by-step explanation:

Galina-37 [17]2 years ago
6 0

Answer:

The solution of the given inequality is {y|y≥-4}

Step-by-step explanation:

Given inequality is:

1\geq -\frac{y}{4} \\Switching\ sides\\-\frac{y}{4}\leq 1\\Multiplying\ both\ sides\ by\ 4\\-y\leq 4\\Multiplying\ both\ sides\ by -1\\y\geq -4

Hence, the solution of the given inequality is {y|y≥-4} ..

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Consider the equation 2(ax+3)=4x−3(4x+8). For what value of a is there no solution to the equation?
erastovalidia [21]

Answer:

the value of a such that  there is no solution to the equation is a = -4.

Step-by-step explanation:

Let first simplify the expression presented on statement. The equation has no solution if and only if a is eliminated in the process and an absurd is the result (i.e. 0 = 7).

2\cdot (a\cdot x + 3) = 4\cdot x -3\cdot (4\cdot x + 8)

2\cdot a\cdot x +6 = 4\cdot x -12\cdot x -24

2\cdot a \cdot x+6=-8\cdot x-24

2\cdot a\cdot x +8\cdot x = -30

2\cdot (a+4)\cdot x = -30

(a+4)\cdot x = -15

To obtain an absurd, we need that a+4 = 0. Hence, the value of a such that  there is no solution to the equation is:

a = -4

Let prove the certainty of the result. We find that an absurd exist: (a = -4)

0 = -15

5 0
2 years ago
Which of the following are exterior angles? Check all that apply.
Marina86 [1]

Answer:

A

C

D

E

Step-by-step explanation:

Exterior angles can be described as the angles that are formed between the side of a polygon and the extended adjacent side of the polygon.

Or an exterior angle is the angle that is not inside the triangle formed.

The angles inside the triangle are interior angles.

Exterior angles are :

2

3

4

6

Interior angles are :

1

5

6 0
3 years ago
Which one is right please explain
Kitty [74]
The correct answer would be B. Hope this helps, and please mark me the brainliest, we can be friends!!
5 0
3 years ago
The surf instructor has an initial fee of $12 and charges $8 per hour for lessons, which is represented by the equation y = 8x +
Studentka2010 [4]

Answer: 472$

Step-by-step explanation:

6 0
2 years ago
I need help with ANLGES!!!!
Phantasy [73]

Answer:

32, consecutive interior angles are supplementary.

Step-by-step explanation:

We know that the two angles add up to 180, because consecutive interior angles are supplementary. So let's set up an equation equal to 180.

2x + 3x + 20 = 180

Now let's add like terms.

5x + 20 = 180

Now let's subtract 20 from both sides.

5x = 160

Now let's divide both sides by 5.

x = 32

3 0
2 years ago
Read 2 more answers
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