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2 years ago

PLEASE ANSWER ASAP WILL MARK BRAINLIEST

Mathematics

1 answer:

Olin [163]2 years ago

4 0

Answer:

First choice

Step-by-step explanation:

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Jared wrote an equation for the perimeter of an equilateral triangle as 3x = 20. What does x represent in his equation?

ratelena [41]

The perimeter of an object is equal to its sides added up. Because this is a triangle, it will have 3 equal sides. Since the triangle has 3 equal sides, its perimeter will be equal to one of its side lengths * 3.

Because the perimeter will be equal to one of its side lengths * 3, x is equal to one of the triangle's side lengths.

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3 years ago

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An arrow is shot vertically upward at a rate of 240 feet per second from ground level. Use the projectile formula to determine w

Juli2301 [7.4K]

Answer:

After 14.92 seconds, the arrow hits the ground.

Step-by-step explanation:

Given:

Initial velocity of the arrow is, $u=240\ ft/s or 73.152\ m/s$

The arrow goes up and come back to the same starting position. So, initial position is same as that of final position.

Therefore, displacement of the arrow is 0 m.

The displacement of the arrow is given as:

$s=ut-\frac{1}{2}gt^{2}$ (equation 1)

Plug all value in equation 1 and solve for $t$

$0=73.152\timests t-\frac{1}{2} \times9.8 \times t^{2}$

$0=73.152\timests t-4.9 \times t^{2}$

$0=t(73.152-4.9 \times t)$

$73.152-4.9\times t=0$ where $t\neq 0$

$4.9\times t=73.152$

$t=\frac{73.152}{4.9}= 14.92\ s$

∴ After 14.92 seconds, the arrow hits the ground.

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3 years ago

In AUVW, the measure of ZW=90°, VU = 65, UW = 33, and

Viefleur [7K]

Answer: 56/33

Step-by-step explanation:

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2 years ago

A rectangle has a perimeter of 84 miles and a height of 26 miles .what is the length of the base?

ExtremeBDS [4]

Answer:

16 miles

Step-by-step explanation:

The height is 26 miles. Multiply that by 2 which gets 52 and then subtract that from 84. That gives you 32 which means the sum of the lengths is 32/2 which is 16 miles

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What is the y-Intercept for the equation 4x -3y= -18?

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D.) the answer is d.

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