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uranmaximum [27]
2 years ago
12

.

Mathematics
1 answer:
topjm [15]2 years ago
5 0

Answer:

second equation :

( 20x² — 2xy — 42y² )

Step-by-step explanation:

expand the two brackets.

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8 3/4 as a mixed number
Lelechka [254]

Answer:

35/4

Step-by-step explanation:

8 times the denominater which is 4 is 32. 32 plus the nomiater is 35. So its 35/4

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2 years ago
15/25 in lowest terms
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3/5 is the lowest term. 3/5 = 15/25. Does this help? 
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Choose the correct reasoning of when a projectile reaches its highest point. A. A projectile reaches its highest point when its
alexira [117]

Answer: A projectile reaches its highest point when its vertical velocity component is zero.

Step-by-step explanation:

In projectile motion, objects moves in parabolic path.

Projectile motion is a type of motion in which an object moves in a bilaterally symmetrical, parabolic path. Projection motion happens when the force is applied at the start of the trajectory (where the object follows) which follows an interference which is gravity. Gravity takes over and afterwards the object accelerates downwards. The acceleration is constant so the vertical velocity (Vy) varies linearly. The maximum height of the projectile which is the highest height is reached when the vertical velocity (Vy) is equal to zero.

After the projectile reaches its maximum height which is its highest point, it begins to drop downwards.

5 0
2 years ago
Help aaawjjwjwjwjsjjwwksk
Serggg [28]

Number three is a parallelogram

Number four is a rhombus

The attributes of each quadrilateral is that it must have four sides

Number seven is true because if you fold a rectangle in half it will be congruent and rectangles always have at least one parallel side

Number eight is false because a square has all equal length sides and a rectangle does not have all equal sides making the two very different

HOPE THAT HELPS!!!!!!

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3 years ago
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