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Gala2k [10]
3 years ago
6

Are dinosaurs mammals

Geography
1 answer:
Pepsi [2]3 years ago
8 0
Most dinosaurs are placed under reptilian but some dinosaurs are classed as mammals
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Which expressions can be used to find the coordinates of the midpoint of PQ with endpoints P(3, –1) and Q(–7, –6)? Select THREE
SVETLANKA909090 [29]

A line segment is a straight line with finite length, and thus, have to endpoints(points on either end). The correct options are 2, 3, and 5.

<h3>What are the coordinates of the midpoint of the line segment AB?</h3>

A line segment is a straight line with finite length, and thus, have to endpoints(points on either end).

Suppose we've two endpoints of a line segment as A(p,q), and B(m,n), Then let the midpoint be M(x,y) on that line segment. Then, its coordinates are:

x = \dfrac{p+m}{2}

and

y = \dfrac{q+n}{2}

The midpoint of the points P(3, –1) and Q(–7, –6) is,

x = (-7+3)/2 = -4/2 = -2

y = (-6-1)/2 = -7/2 = -3.5

Now, if we look at the options, the third option will give as the value of the x-coordinate as,

[(1/2)(-7-3)] + 3

= [(1/2)(-10)] + 3

= -5 + 3

= -2

This is the actual coordinate of the midpoint, therefore, this option is correct.

Similarly, the option two expresses the y-coordinate of the midpoint,

(-1 - 6)/2 = -3.5

Also, option five correctly depicts the value of y-coordinate,

-(5/2)-1 = -2.5 - 1 = -3.5

Hence, the correct options are 2, 3, and 5.

Learn more about Line:

brainly.com/question/21511618

#SPJ1

5 0
2 years ago
Which planet is 5.5 percent of earth's mass and has no moon?
Ierofanga [76]
<span>Mercury has 0.0553 earth's mass and has no natural satellite. It is the planet closest to the sun and also the smallest, its surface is rocky and solid like the earth, has a diameter of 4879 km and is formed mainly of metal elements. <span>Its orbit around the sun is 88 days and its temperatures are extremely high due to its proximity to the sun.
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I hope my answer can help you.
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7 0
3 years ago
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Which country took control of most of Southeast Asia during World War II?
ra1l [238]

A. Japan

The war in the Pacific ended when Japan surrendered on September 2, 1945.

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Fale sobre as politicas publicas antes e depois da pandemia
dexar [7]

Answer: I dont know

Explanation:

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3 years ago
In the convection currents, where is there hifhhigh density
zhenek [66]
The current<span> begins when the air over the hot sand is heated and begins to rise because of its lowered </span>density<span>.  That is a sea breeze.</span>
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