3 years ago

Please help me with this and please select only three answers

Mathematics

2 answers:

ivann1987 [24]3 years ago

8 0

A, E and D are your three answers and

Leona [35]3 years ago

7 0

The answer I'm pretty sure is A,D,E ,but I may be wrong .

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EXTRA POINTS I need helpppp right nowww please help i need help extra points for this i need 100% okay -------------------------

Alex73 [517]

Answer:

It was ordinary

Step-by-step explanation:

7 0

3 years ago

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Which polynomial is a difference of two squares? <br> x2 − 16 <br> x2 + 16 <br> x2 − 8 <br> x2 + 8

AnnZ [28]

X2 - 16, is the answer. The first one.

x^2 - 16 = (x)^2 - 4^2, difference of two squares :)

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4 years ago

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The volume of a cone is represented by the formula V = 1 T?n. If the volume of a cone is 30rt and the height is 2.5, what is the

Airida [17]

Answer:

radius is 3.38cm

Step-by-step explanation:

Note: the volume of a cone is given as

$V= 1/3 \pi r^2 h$

Step one:

Given Information

volume= 30cm^3

height= 2.5cm

Required

The radius of the cone

Step two:

substituting our data into the expression for the volume of a cone we can then solve for the radius r

$30=1/3 *3.142*r^2 * 2.5\\\\30=1/3*7.855r^2\\\\30=2.62r^2\\\\$

divide both sides by 2.62

$30/2.62= r^2\\\\11.45= r^2\\\\r=\sqrt{11.45} \\\\r=3.38cm$

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3 years ago

Describe how you would create a number line to represent where to plot the following number:

dexar [7]

Answer:

you could make a number line with 11 lines and start at .04 and go to .05 so the 11 lines will be 0.04,0.041,0.042,0.043,0.044,0.045,0.046,0.047,0.048,0.049,0.05

and you could put a dot on 0.043

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3 years ago

4km in9hr, then 24 km in

Morgarella [4.7K]

If you ran 4km in 9 hours.
Then you'll run 24 km's in.

4km per 9 hours
8km per 18 hours.
12km per 26 hours.
16km per 34 hours.
20km per 40.
24km per 46.

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3 years ago

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