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3 years ago

Please help me with these three questions! They are quick and easy. I will mark brainiest!

Mathematics

1 answer:

natta225 [31]3 years ago

6 0

Answer:

i don't know a counterexample for the first one

A counterexample for the second one is a leaf bug

A counterexample for the third one is a trapezoid, rectangle, rhombus

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A can of pineapple has a height of 13 cm and a diameter of 10 cm, What is the surface of the label that is on it in cm^2

labwork [276]

Answer:

408.46cm^2

Step-by-step explanation:

Given data

Height= 13cm

Diameter= 10cm

Radius= D/2= 10/2= 5cm

The area of the curved surface will be = 2πr × h = 2πrh

substitute

Area of the curved surface = 2πrh= 2*3.142*5*13

Area of the curved surface = 2πrh= 408.46cm^2

Hence the area of the curve surface is 408.46cm^2

3 0

3 years ago

Plz plz plz help me ill give brainliest i just really need help

grin007 [14]

Answer:

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Step-by-step explanation:

4 0

2 years ago

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13+7 POINTS!!! PLZ HELP WILL GIVE BRAINLIEST!!!

adelina 88 [10]

If x=-5 (-5)2+2=27
likewise put -4 -3 -2 -1 0 1 2 3
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2 years ago

Beth read a total of 12 books over 7 months.

givi [52]

She has been with her book club for 49 months.

Step-by-step explanation:

Books read = 12 books

Time period = 7 months

Therefore,

12 books = 7 months

1 book = $\frac{7}{12}\ months$

Books read so far = 84 books

Total time period = x

84 books = x months

1 book = $\frac{x}{84}\ months$

Using both unit rates;

$\frac{x}{84}=\frac{7}{12}\\x=\frac{7}{12}*84\\x=\frac{588}{12}\\x=49\ months$

She has been with her book club for 49 months.

Keywords: Unit rates, multiplication

Learn more about multiplication at:

#LearnwithBrainly

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3 years ago

Help needed please!!!!!

Marina CMI [18]

You need to mark brainliest first to get my answer
You need to times or find the sum

5 0

3 years ago

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