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Rufina [12.5K]
2 years ago
5

What is 22.5 split into 9 equal groups?

Mathematics
1 answer:
romanna [79]2 years ago
4 0

Answer:

2.5

Step-by-step explanation:

22.5/9=2.5

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Geometry/////
Montano1993 [528]

Answer:

A = 388.58 cm^2

Step-by-step explanation:

For a cone whose base has a radius R, and a hypotenuse S, the area is:

A = pi*R^2 + pi*R*S

Where pi = 3.14

In this case, we can see that the diameter is: 15cm

Then the radius, half of the diameter, is:

R = 15cm/2 = 7.5cm

The hypotenuse is 9cm, then S = 9cm

A = 3.14*(7.5cm)^2 + 3.14*(9cm)*(7.5cm) = 388.575 cm^2

Rounding to two decimal places, we need to look at the third one, which is a five, so we need to round up:

A = 388.58 cm^2

3 0
2 years ago
A medical device company knows that the percentage of patients experiencing injection-site reactions with the current needle is
mina [271]

Answer:

0.4970

Step-by-step explanation:

I might be wrong

6 0
2 years ago
Can someone please help me answer this.
Anika [276]
4(y - 7) = 2y - 38
4y - 28  = 2y - 38
4y - 2y = -38 + 28
2y = -10
y = -5
3 0
3 years ago
Use the distributive property to generate an equivalent expression for<br> 2(10x-3)
mr Goodwill [35]

Answer:

20x - 6

Step-by-step explanation:

You just multiply 2 by 10x and by -3

5 0
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Factor the expression.
worty [1.4K]
The is will be -<span>11b3</span><span> - 16b</span>2<span> + </span>4b<span> + </span><span>3</span>
4 0
2 years ago
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