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uranmaximum [27]
2 years ago
6

Evaluate 7+ (-4x²) for x = 0. 1. 0 2. 3 3. 7 3. 23

Mathematics
1 answer:
Flauer [41]2 years ago
6 0

Answer:

substitute

7+( -4×0) = 7 + 0 = 7

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A hot-air balloon is moving on a bearing of 2450 at 31mph. A wind is blowing with the bearing of 2600 at 23mph. Find the compone
Alborosie

Answer:

V=(54i) \ mph

Step-by-step explanation:

According to the problem, the hot-air ballon and the wind are movind in the same direction, which means the component form of the velocity of the ballon is the net vector between both velocities.

Basically, the net velocity is

v_{net}=31 + 23 = 54 mph

Because both velocities have the same direction.

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3 years ago
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A car travels at a constant speed of 60 miles per hour. The distance, d, the car travels in miles is a function of time, t, in h
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The equation of distance traveled by the car is d(t) = 60 · t, for t ≥ 0.

<h3>What is the equation of the distance travelled by a car?</h3>

In accordance with the statement, car travels in a <em>straight</em> line at <em>constant</em> speed. The distance traveled (d), in miles, is equal to the product of the speed (v), in miles per hour, and time (t), in hours:

d(t) = v · t     (1)

If we know that v = 60 mi/h, then the equation of distance traveled by the car is d(t) = 60 · t, for t ≥ 0.

<h3>Remark</h3>

The statement is incomplete and complete form cannot be found. Then, we decided to complete the statement by asking for the equation that describes the distance of the car.

To learn more on linear equations: brainly.com/question/11897796

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8 0
2 years ago
4z - 8 = 20<br> Step by step
AysviL [449]

Answer:

z = 7

Step-by-step explanation:

4z - 8 = 20

Add 8 to each side

4z - 8+8 = 20+8

4z = 28

Divide each side by 4

4z/4 = 28/4

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3 years ago
Several students measured a 25-mm-long nail and wrote the measurements shown in the table below. Whose measurement had the great
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Answer:

Tenicai had the greatest prectnt errou

Step-by-step explanation:

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Answer:

Step-by-step explanation:

676 minus 74

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3 years ago
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