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ycow [4]
3 years ago
10

The perimeter of a rectangle is 22cm. the area is 28cm2. what are the lengths of the sides ?​

Mathematics
1 answer:
MissTica3 years ago
7 0

Answer: length: 7cm

width:4cm

Step-by-step explanation:

Area: L × W

7×4=28

Perimeter =L±L+W+W

7+7+4+4=22

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The set of ordered pairs below represents a relation that is a function.
swat32

Answer:

I'm confused by the points:  

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Points C and D [(-6,8),(-8,10)]are on the line y=-x+2.  

A and B aren't related to C and D.

Step-by-step explanation:

6 0
3 years ago
Care to help please!!
makkiz [27]

Answer:

M= the slope or the gradient

B= the y-intercept

y= the output value

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Step-by-step explanation:

5 0
3 years ago
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a. Morning rain showers dropped 1/3 of an inch of rain. Later that day, another storm passed through and dropped 1/8 inch of rai
Bas_tet [7]

Answer: 5in

Step-by-step explanation:

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4 0
2 years ago
Hyun Woo is riding a ferris wheel. H t H(t) models his height (in m m) above the ground, t t seconds after the ride starts. Here
worty [1.4K]

Answer:

<u></u>

  • <u>53 seconds.</u>

Explanation:

The text and the model are garbled.

This is the question amended:

<em />

<em>Hyun Woo is riding a ferris wheel. H(t) models his height (in m) above the ground, t seconds after the ride starts. Here, t is entered in radians.</em>

<em>H(t) = -10 cos(2π/150 t)+10</em>

<em />

<em>When does Hyun Woo first reach a height of 16 m?</em>

<em />

<h2>Solution</h2>

<em />

When <em>Hyun Woo reaches a height of 16 m</em> the <em>model </em>states:

  • <em>16 = -10 cos(2π/150 t)+10</em>

<em />

Then you must find the lowest positive value of t that is a solution of the equation.

Solve the equation:

  • <em>16 = -10 cos(2π/150 t)+10</em>

  • 10cos(2π/150 t) = - 6

  • cos(2π/150t) = -0.6

  • 2π/150t = arccos(-0.6)

  • 2π/150t = 2.214297

  • t = 52.86s ≈ 53 s ← answer
4 0
3 years ago
Write the equation of the line in fully simplified slope-intercept form.
Alona [7]
Y=3/1x+-1 hope this is correct
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