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2 years ago

Which point is a solution to y ≤ 3x- 4? O A. (0,4) O B. (-2, 0) OC. (0, 0) OD. (3,1)

Mathematics

2 answers:

Andrew [12]2 years ago

8 0

I’d say the answer is D. (3,1)

Nina [5.8K]2 years ago

4 0

Answer:

(D). (3, 1)

Step-by-step explanation:

y ≤ 3x - 4

(A). (0, 4)

4 ≤ 3(0) - 4

4 ≤ - 4 (False statement)

(B). (-2, 0)

0 ≤ 3(- 2) - 4

0 ≤ - 10 (False statement)

(C). (0, 0)

0 ≤ 3(0) - 4

0 ≤ - 4 (False statement)

(D). (3, 1)

1 ≤ 3(3) - 4

1 ≤ 5 (True statement) 

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2 years ago

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lisabon 2012 [21]

Answer:

$\frac{2}{x-4}$

Step-by-step explanation:

$\frac{2x+4}{x^2-2x-8}$

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2 years ago

Simplify (5x^2 -3x+3) - (x^2+2x-1).

Natali [406]

Eliminate parenthesis by using the distribution property

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2 years ago

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If a number minus 3 is at most 12, or 1 more than 2 times the number is at least 25, then the number must be less than or equal

dezoksy [38]

Answer:

The statement is true.

Step-by-step explanation:

Let us assume that x is the required number.

Now, given that the number minus 3 is at most 12.

Hence, x - 3 ≤ 12

⇒ x ≤ 15 ......... (1)

And also given that 1 more than 2 times the number is at least 25.

Hence, 2x + 1 ≥ 25

⇒ 2x ≥ 24

⇒ x ≥ 12 .......... (2)

Therefore, from equations (1) and (2) we get the number must be greater than or equal to 12 or less than or equal to 15.

So, the statement is true. (Answer)

3 0

3 years ago

Please help me with this

Tju [1.3M]

Answer:

Option 2: m∠1 = 147°, m∠2 = 80°, m∠3 = 148°

Step-by-step explanation:

Step 1: Consider triangle ABC from the picture attached below.

Lets find angle x

x + 47 + 33 = 180 (because all angles of a triangle are equal to 180°)

x = 100°

Angle x = Angle y = 100° (because vertically opposite angles are equal)

Step 2: Find angle 2

Angle 2 = 180 - angle x (because angle on a straight line is 180°)

Angle 2 = 180 - 100

Angle 2 = 80°

Step 3: Find angle z

48 + y + z = 180° (because all angles of a triangle are equal to 180°)

z = 32°

Angle 3 = 180 - angle z (because angle on a straight line is 180°)

Angle 3 = 180 - 32

Angle 3 = 148°

Step 4: Find angle 1

Angle 1 = 180 - 33 (because angle on a straight line is 180°)

Angle 1 = 147°

Therefore m∠1 = 147°, m∠2 = 80°, m∠3 = 148°

Option 2 is correct

3 0

3 years ago