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2 years ago

Is this the right answer?

Mathematics

1 answer:

nirvana33 [79]2 years ago

8 0

Yes,

“Gymnosperms and angiosperms form two kinds of spores: microspores, which give rise to male gametophytes, and megaspores, which produce female gametophytes.”

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How do you know whether two quantities x and y are proportional?

Triss [41]

Answer:

The correct answer is:

1. Every ratio yx for related pairs of x and y is equivalent.

Step-by-step explanation:

Proportion is defined as the relationship between two quantities. When one quantity changes the other is also changes.

For two quantities y and x when we say that both are proportional then t can be written as:

y∝x

Removing the proportionality symbol introduces a constant which is the ratio of y and x.

$\frac{y}{x} = k$

This ratio of y and x, i.e. k is equivalent for all related pairs of x and y.

Hence,

The correct answer is:

1. Every ratio yx for related pairs of x and y is equivalent.

7 0

3 years ago

Pablo drove 23.1 miles to his aunt’s house, then drove 19.24 miles to his friend’s house. Which estimate can Pablo use to determ

katovenus [111]

23.1 can be estimated to 23 rounded to 20.

19.24 can be estimated to 19 rounded to 20.

The answer would be 42 which would be rounded to 40.

7 0

2 years ago

Read 2 more answers

Write an equation of a circle that has the center at the origin and goes through (-3,-6)

dexar [7]

Answer:

$x^{2} +y^{2} = 45$

Step-by-step explanation:

General Equation of circle is

$(x-x_1)^{2} +(y-y_1)^{2} = r^{2}$ ----------- (1)

Here

$(x_1, y_1)= (0, 0)$

Radius r is distance from origin (x1, y1) to point (x2, y2)=(-3, -6)

$r=\sqrt{(x_2-x_1)^{2} + (y_2-y_1)^{2} }$

$r= \sqrt{(-3-0)^{2} + (-6-0)^{2} }$

$r= \sqrt{9+36}$

$r=\sqrt{45}$

Substituting values in equation (1)

$(x-0)^{2} +(y-0)^{2} =( \sqrt{45})^{2}$

$x^{2} +y^{2} = 45$

6 0

2 years ago

What are the first 4 terms in the sequence represented by the expression 2n+3?

alekssr [168]

Answer:

cccccc

Step-by-step explanation:

hope this helps.

4 0

2 years ago

F Can anyone explain how too find the inverse of the function of this problem? f(x)= (x + 2)3.

Firlakuza [10]

The inverse function is f^-1 (x)= -2+(x/3) dont add the parenethese though, i used the parenethese to show that its x over 3. hope that helped! :D

5 0

2 years ago