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2 years ago

How do you translate a polygon on a graph?

Mathematics

1 answer:

Usimov [2.4K]2 years ago

8 0

You draw a polygon on the graph

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What is the solution to the equation?

timama [110]

Answer:

I don't know what it is bc i'm on a school laptop and it won't let me see it

Step-by-step explanation:

6 0

3 years ago

A bucket that weighs 6 lb and a rope of negligible weight are used to draw water from a well that is 80 ft deep. The bucket is f

zaharov [31]

Answer:

3200 ft-lb

Step-by-step explanation:

To answer this question, we need to find the force applied by the rope on the bucket at time $t$

At $t=0, the weight of the bucket is 6+36=42 \mathrm{lb}$

After $t$ seconds, the weight of the bucket is $42-0.15 t \mathrm{lb}$

Since the acceleration of the bucket is the force on the bucket by the rope is equal to the weight of the bucket.

If the upward direction is positive, the displacement after $t$ seconds is $x=1.5 t$

Since the well is 80 ft deep, the time to pull out the bucket is $\frac{80}{2}=40 \mathrm{~s}$

We are now ready to calculate the work done by the rope on the bucket.

Since the displacement and the force are in the same direction, we can write

$W=\int_{t=0}^{t=36} F d x$

Use $x=1.5 t$ and $F=42-0.15 t$

$W=\int_{0}^{36}(42-0.15 t)(1.5 d t)$

$=\int_{0}^{36} 63-0.225 t d t$

$=63 \cdot 36-0.2 \cdot 36^{2}-0=3200 \mathrm{ft} \cdot \mathrm{lb}$

$=\left[63 t-0.2 t^{2}\right]_{0}^{36}$

$W=3200 \mathrm{ft} \cdot \mathrm{lb}$

4 0

3 years ago

Please evaluate this

siniylev [52]

Answer:

$y = 2 \: and \: x = 2.5$

y=2x-3

2=2

$y = 2x - 3 \\ y = |2 \times 2.5| - 3 \\ y = 5 - 3 \\ y = 2 \\$

And

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3 years ago

A dolphin was swimming 28 meters below the oceans surface.it changed its depth to avoid a predator and ended up 21 meters below

Harman [31]

Answer:

Step-by-step explanation:

if you go from 28 to 21 you see there is a difference of 7 and sense the number is a smaller number now we know the dolphin went up more towards the surface there for there is a change of positive 7

28-21=7

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3 years ago

| 3.4 The school government consists of six to eight

garri49 [273]

Answer:

you can dived or multiplied

Step-by-step explanation:

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3 years ago