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Lerok [7]
2 years ago
5

X-y =3xy=28 solve using simultaneous equations -one linear and one quadratic​

Mathematics
1 answer:
Tcecarenko [31]2 years ago
8 0

Answer:

The first problem has no real solution

Step-by-step explanation:

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Find x & y so that quadrilateral is a parallelogram. (Look at image)
Pachacha [2.7K]

Answer:

x = 20° and y = 12°

Step-by-step explanation:

3y + 15° = 5y - 9° ( being opposite angles of parallelogram)

5y - 3y = 15° + 9°

2y = 24°

y = 24° / 2

y = 12°

Now

5x + 29° = 7x - 11° ( being opposite angles of parallelogram)

7x - 5x = 29° + 11°

2x = 40°

x = 40° / 2

x = 20°

Hope it will help :)❤

7 0
3 years ago
Bárbara come la tercera parte de una caja de bombones. Su papá luego compra 7 bombones más y los pone en la caja. ¿Cómo se repre
Maksim231197 [3]

Answer:

Bárbara come la tercera parte de una caja de bombones. Su papá luego compra 7 bombones más y los pone en la caja. ¿Cómo se representa la cantidad de bombones que hay ahora en la caja?

Step-by-step explanation:

3 0
3 years ago
Kori invested $2000, some at 7% per year and the rest at 10%, giving her a total return of $167 per year. How much money did she
Sloan [31]
The answer to your question is 14%
6 0
3 years ago
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PLZ HURRY IT'S URGENT!!!!!
Salsk061 [2.6K]

Answer:

The correct answer is D) 13%

Step-by-step explanation:

To turn a decimal into a percentage, we simply multiply by 100.

0.13 * 100 = 13%

6 0
3 years ago
Once again, I'm asking for assistance in this problem. I thought it was 1/6 but I'm unsure. Someone help. The number next to 2/5
Aleks [24]

Answer:

Equation of the parabola:  or

Vertex form:

Intercept form:Step-by-step explanation:

4 0
3 years ago
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