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Rom4ik [11]
3 years ago
7

What is x minus 3 times x plus 2

Mathematics
2 answers:
Marysya12 [62]3 years ago
5 0

Answer:

Your expression would be -2x+2.

dexar [7]3 years ago
3 0

Answer:

-2x+2

Step-by-step explanation:

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A rectangle initially has width 7 meters and length 10 meters and is expanding so that the area increases at a rate of 8 square
Tems11 [23]

Answer:

The length of rectangular is increasing at a rate 0.5714 meters per hour.

Step-by-step explanation:

We are given the following in the question:

Initial dimensions of rectangular box:

Length,l = 10 m

Width,w = 7 m

\dfrac{dA}{dt} = 8\text{ square meters per hour}\\\\\dfrac{dw}{dt} = 40\text{ centimeters per hour} =0.4\text{ meters per hour}

We have to find the rate of increase of length.

Area of rectangle =

A = l\times w

Differentiating we get,

\displaystyle\frac{dA}{dt} = \frac{dl}{dt}w + \frac{dw}{dt}l

Putting values, we get,

8 = \dfrac{dl}{dt}(7) + (0.4)(10)\\\\\dfrac{dl}{dt}(7) = 8 -4\\\\\dfrac{dl}{dt} \approx 0.5714

Thus, the length of rectangular is increasing at a rate 0.5714 meters per hour.

5 0
3 years ago
55 km per hour how many miles is per hour
madam [21]
34.1754 is the answer because if 50 km an hour is 31.0685 just add the other km's
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3 years ago
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Lillie jogs 1/2 mile in 1/10 hour what is Lilli's rate in miles per hour
Goshia [24]
U technecally wrote the answer

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3 years ago
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A line segment has endpoints at (–1, 4) and (4, 1). Which reflection will produce an image with endpoints at (–4, 1) and (–1, –4
Ivahew [28]

Answer:

A

Step-by-step explanation:

3 0
3 years ago
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What does 1/3 represent for the picture below?
eduard

Answer:

c the ratio of the measure of arc QR and the circle

Step-by-step explanation:

i just took the quiz

hope this helps (:

5 0
3 years ago
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