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Ira Lisetskai [31]
2 years ago
15

X+y=2 2x^2+xy+1 Plz answer

Mathematics
1 answer:
iren2701 [21]2 years ago
6 0

Answer:

answer is y^2-6y+9

Step-by-step explanation:

first take out the value of x from equation 1 which is x=(2-y)

then put the value of x in equation 2 u will get ur answer as y^2-6y+9

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Simplify 2x+3y^2 -2(x-y2)
poizon [28]

Multiply the bracket by -2

2x+3y^2 -2(x-y2)

2x+3y^2-2x+2y^2

2x-2x+3y^2+2y^2- rearranging

3y^2+2y^2

5y^2

Answer: 5y^2

6 0
3 years ago
Which option accurately describes a scenario in which a tortoise experiences a displacement of 10 m south? A tortoise starts at
Ahat [919]

Answer:

A tortoise starts at a position of 0 m. It moves 10 m west,10 m east, and then 10 m south.

Step-by-step explanation:

Let's assume southern and eastern movement as positive and northern and western movement as negative. Since we want the displacement, starting position should not be considered.

1-) A tortoise starts at a position of 3 m south. It moves 4 m east, 2 m west, and then 3 m north.

S = -3m

E = 4 - 2 =2m

2-) A tortoise starts at a position of 0 m. It moves 10 m west,10 m east, and then 10 m south.

S= 10m

E= 10 - 10 = 0m

3-) A tortoise starts at a position of 2 m north. It moves 4 m west and then 7 m south.

S= 7m

E= -4m

4-) A tortoise starts at a position of 0 m. It moves 10 m west, 5 m east, and then 5 m south.

S= 5m

E= 5 - 10 = -5m

Analyzing all of the previous scenarios, only one presents a 10 m southern displacement, and that is when the tortoise starts at a position of 0 m. It moves 10 m west,10 m east, and then 10 m south.

4 0
2 years ago
Read 2 more answers
A quadrilateral has
ololo11 [35]

Answer:

parallelism

Step-by-step explanation:

I'm just looking also the answer!

7 0
2 years ago
The car is going 100 km/h, how long will it take to go 1238km? ​
Brums [2.3K]
The car will take 12 hours and 19 minutes
4 0
3 years ago
Question NEEDS ANSWERING
labwork [276]

The numeric value of the given expression is as follows:

121/900.

<h3>Numeric value of expression</h3>

The expression is defined as follows:

\left(-\frac{1}{3} + 0.6\left(-\frac{1}{2}\right) + 1\right)^2

The parenthesis take precedence. If there are more than one parenthesis, the inside one takes precedence.

The fraction equivalent of 0.6 is of 3/5, hence:

\left(-\frac{1}{3} + \frac{3}{5}\left(-\frac{1}{2}\right) + 1\right)^2

Solving the internal parenthesis, the expression is:

\left(-\frac{1}{3} - \frac{3}{10} + 1\right)^2

The least common multiple of 3, 10 and 1 is of 30, hence:

\left(-\frac{1}{3} - \frac{3}{10} + 1\right)^2 = \left(\frac{-10 - 9 + 30}{30}\right)^2 = \left(\frac{11}{30}\right)^2

To find the square of the fraction, we find the square of the numerator and the denominator, hence the numeric value of the expression is:

121/900.

<h3>Missing information</h3>

The expression is:

\left(-\frac{1}{3} + 0.6\left(-\frac{1}{2}\right) + 1\right)^2

More can be learned about the numeric value of an expression at brainly.com/question/4344214

#SPJ1

7 0
9 months ago
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