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kirill [66]
3 years ago
6

Math help! (pic below)

Mathematics
1 answer:
laila [671]3 years ago
7 0
The only solution is (4, -1/2).

The first one is wrong, because of you substitute X and Y or in this case (12, -5/2) into 3x+2y, you get 31=11, Which is an untrue mathmatical statement.

The second one is right, for the same reason. If you substitute X and Y you will get 11=11. which is a true statement.

The third one is wrong, because you have found a true statement.

The fourth one is wrong because you found an untrue statement.
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Hey can anyone help me on number B please?
NNADVOKAT [17]

Answer:60

Step-by-step explanation:all sides of the triangle have to be 180 degrees

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The radius of a circle is 6 millimeters. What is the circle's circumference?
Gala2k [10]

Answer:

C =37.68 mm

Step-by-step explanation:

The circumference of a circle is given by

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A recipe for includes:
bezimeni [28]

Answer:

\frac{1}{4} ,\frac{2}{3} ,\frac{3}{4} ,\frac{3}{8}

Step-by-step explanation:

Let

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every serving must be halved and represented as simple fraction

⇒

w_{new}=\frac{w}{2}=\frac{1}{2\times2}=\frac{1}{4}

x_{new}=\frac{x}{2}=\frac{4}{3\times2}=\frac{2}{3}

y_{new}=\frac{y}{2}=\frac{3}{2\times2}=\frac{3}{4}

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5 0
3 years ago
The points do not lie on a line
AlladinOne [14]

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How many solutions does this equation have?
drek231 [11]

The answer is infinitely many solutions because 0 = 0.

If you don't seem to see where I got 0 = 0, look at the equation,

4b – 4b = 0

first lets do the math on the left side.

4b - 4b  is equal to 0.

so lets put 0 on the left side, now lets look at the equation all together,

0 = 0,

and this means that it has infinitely many solutions.

The reason why it is not no solution because no solution means when there are no answers to the equation. For example, the solution is not true, such as the equation 24 ≠ 29. This is a no solution equation. One solution can be 4x = 20, as x = 5, concluding it being one solutions.

5 0
3 years ago
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