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2 years ago

8

Monique started walking, steadily increasing her speed. Next, she slowed down until she jogged at a constant speed. Which graph

best shows monique’s speed over time? ( 2 images include the 4 graphs)

2 answers:

Sonja [21]2 years ago

7 0

I think it is this one the first picture that you sent

klio [65]2 years ago

6 0

Answer:

A, rest are wrong

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Megan has a pen for her dog. The dimensions of the pen are in meters (m) as shown below.

adoni [48]

Answer:

22 m²

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3 years ago

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Here is a tunnel for a toy train.

jonny [76]

The <em>total</em> area of all six faces of the tunnel is $614.197\pi$ square centimeters.

<h2>Procedure - Surface area of a tunnel for a toy train</h2>

The surface area of the solid ( $A$ ) used to represent the tunnel for a toy train is the sum of its six faces (two <em>semicircular</em> sections, inner <em>semicircular</em> arc section, outer <em>semicircular</em> arc section, two rectangles).

<h3>Determination of the surface area of the tunnel based on information of the diagram</h3>

We calculate the surface area as following:

$A = 2\cdot \frac{\pi}{2} \cdot [(10\,cm)^{2}-(8\,cm)^{2}] + \pi\cdot (8\,cm)\cdot (30\,cm) + \pi\cdot (10\,cm)\cdot (30\,cm) + 2\cdot (2\,cm)\cdot (30\,cm)$

$A = 614.197\pi\,cm^{2}$

The <em>total</em> area of all six faces of the tunnel is $614.197\pi$ square centimeters. $\blacksquare$

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1 year ago

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AlexFokin [52]

Answer:

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2 years ago

Solve: 2x2-x = 21 {-7/2,3} {-3, 7/2}

Sergio039 [100]

Answer:

The answer is (-3,7/2)

Step-by-step explanation:

$2 {x}^{2} - x - 21 = 0 \\ (2x - 7)(x + 3) = 0 \\ 2x - 7 = 0 \: \: \: or \: \: x + 3 = 0 \\ x = \frac{7}{2} \: \: and \: x = - 3$

I am a math teacher If you need any explanation you can communicate with me on Whats on this number +201557831028

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3 years ago

Plss help i’ll give brainliest thank you!

Art [367]

Answer:

its 45 as3*15 is 45 and 45*1 is 45

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2 years ago

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