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slavikrds [6]
4 years ago
6

I need help on the last question

Mathematics
1 answer:
pochemuha4 years ago
4 0

To know whether or not they are valid you would plug in the y that corresponds to the x with it.

For example,

(50,35)

35=0.5(50)+10

Multiply 50 with 0.5,

35=25+10

35=35

You would do the same for your others pairs, seeing if they all are valid. I think they should be.

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Multiply the fractions:<br> 2 / 5 ∙ 3 / 4.
Bingel [31]

Answer:

\frac{3}{10}

Step-by-step explanation:

\frac{2}{5} * \frac{3}{4} can be solved by just multiplying the numerators together and the denominators together

2 * 3 = 6 and 5 * 4 = 20 so the answer would be \frac{6}{20}

This simplifies to \frac{3}{10}

4 0
4 years ago
What do you suppose you're supposed to do here
kumpel [21]
Count how many squares are shaded in and choose the corresponding fraction i guess?
5 0
3 years ago
What is the sum of the polynomials?<br> (7x^3– 4x^2) + (2x^3 +3x)
DaniilM [7]

Answer:

sum of the polynomials is 9 x^{3} - 4 x^{2} +3x

Step-by-step explanation:

Given polynomial is (7 x^3– 4 x^2) + (2 x^3 +3 x)

adding x^3 terms, now we get

(7+2)x^3-4 x^2+3 x

9 x^{3} - 4 x^2 +3 x

Therefore the sum of given polynomial is

9 x^3-4 x^2+3 x

5 0
3 years ago
What is the vertex of the following graph?
boyakko [2]

The graph represents a parabola and a parabola is maximum or minimum at its vertex . So we need to check the graph , and find the point where the graph is maximum or minimum. And from the given graph , we can say that it is a downward up parabola which is minimum at its vertex . And the minimum point is (1.4). So the vertex is (1,4) .

6 0
4 years ago
What is the cosine of 45°
Degger [83]
Cosine 45° = √2/2 (Square root of 2 over 2)
4 0
3 years ago
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