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NISA [10]
3 years ago
13

Which statement describes a parallelogram that must be a square?

Mathematics
2 answers:
Alina [70]3 years ago
6 0
Ugh i have to write 20 characters or i cant post it but is A

AnnyKZ [126]3 years ago
6 0

Answer:

Option 3 is correct.

Step-by-step explanation:

we have to select the statement which describe a parallelogram that must be square.

A square has all sides congruent and all angles 90°

In the third option

A parallelogram with a right angle and diagonals that bisect the angles.

Here, diagonals bisect the angles and all angles 90° which means base angles at the diagonals are of 45° both which makes the triangle isosceles and hence adjacent sides becomes equal.

which implies all sides becomes equal and all angles are congruent and of 90° . These properties are sufficient to call parallelogram a square.

Hence, Option 3 is correct.

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A curve passes through the point (0, 5) and has the property that the slope of the curve at every point P is twice the y-coordin
Anit [1.1K]

Answer:

y=5e^{2x}

Step-by-step explanation:

Let (x,y) represents a point P on the curve,

So, the slope of the curve at point P = \frac{dy}{dx}

According to the question,

\frac{dy}{dx}=2y

\frac{1}{y}dy=2dx

Integrating both sides,

\int \frac{dy}{y}=2dx

ln y=2x+ln C

ln y-ln C = 2x

ln(\frac{y}{C})=2x

\frac{y}{C}=e^{2x}

\implies y=Ce^{2x}

Since, the curve is passing through the point (0, 5),

5=Ce^{0}\implies C=5

Hence, the required equation of the curve is,

y=5e^{2x}

7 0
4 years ago
Simplify \sqrt{0.81}
olchik [2.2K]

Answer:

Square root of .81 = .9

7 0
4 years ago
What is the difference of the rational expressions below?
Rom4ik [11]

Answer:

** +2x

Step-by-step explanation:

All the other ones can be it any thing will have difference but how can you do it?

* -sign mutipulcation

2x+* can be different.

O c, OA is N X+2 and more is not a equation. * - can be times really any number.

3 0
3 years ago
Divide 2/3 by 8/15. Simplify your answer
masha68 [24]

Answer:

5/4

Step-by-step explanation:  

(2/3)/(8/15)

= (2/3)(15/8)

= (2*15)/(3*8)

= 30/24

= 5/4

7 0
1 year ago
Read 2 more answers
3x^3 - 2y^-6x^2y^2+xy for x=2/3 and y=1/2
Dominik [7]

Answer:

-13

Step-by-step explanation:

3x^3 - 2y^-6x^2y^2+xy

x=2/3 and y=1/2

Solve :

3x^3 - 2y^-6x^2y^2+xy

Put value of x and y in this equation

= 3(2/3)^3 - 2(1/2)^-6(2/3)^2(1/2)^2+(2/3)(1/2)

= -13

4 0
3 years ago
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