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Verizon [17]
3 years ago
9

What does the B mean in 1.9+b=3.2

Mathematics
1 answer:
Flura [38]3 years ago
7 0
1.3
You subtract 3.2 from 1.9 ; which gives you 1.3
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The radius of the base of a cylinder is 28 cm and its height is 48 cm. Find the surface area of the cylinder in terms of π.
yarga [219]
Area of the bases


<span>2π<span>r2</span>=2π∗784=1568π


</span>circumference of base


<span>2πr=56π


</span>extension of the height


<span>2πr∗h=56π∗48=2688π


</span>bases plus none base surface is total surface


<span><span>1568π+2688π=4256π</span></span>
4 0
3 years ago
Read 2 more answers
Negative one over two equals negative five over eighteen h
love history [14]

Answer:

the answer is h = 5 / 9.

Step-by-step explanation:

Given is "negative one over two equals negative five over eighteen h"

It means -1 / 2 = -5 / 18h

Using cross multiplication method,

-1 * 18h = -5 * 2

-18h = -10

Cancelling negative signs from both sides,

18h = 10

Dividing both sides by 18,

h = 10 / 18

h = 5/ 9

Hence, the answer is h = 5 / 9.

3 0
3 years ago
Read 2 more answers
I WILL MARK BRAINIEST<br> PLEASE HELP ASAP ITS DUE
Daniel [21]

Answer:

A) 1 : 4

B) 1 : 2

C) Base of M = 10 units

Step-by-step explanation:

A)

The ratio of the area of triangle M to triangle N

\frac {40}{160}= \frac{1}{4} = 1 : 4

B)

The ratio of the side lengths of triangle M to triangle N

\sqrt{ \frac {40}{160}} = \sqrt{\frac{1}{4}} \\\\={\frac{1}{2}} \\\\=1 : 2

C) Let the base of triangle M be b units.

\sqrt{ \frac {40}{160}} = \frac{b}{20}\\\\\frac{1}{2}=  \frac{b}{20}\\\\2b = 20\\\\b = \frac{20}{2} \\\\b = 10

8 0
2 years ago
why does it take 3 copies of 1/3 ti show the same anount as 1 copy of 1/2? Explain your answer in words and picture
Alexandra [31]
It is simply yes because 1*3,1*2
7 0
3 years ago
What does it mean when the correlation coefficient has a positive value?
OLEGan [10]

Answer:

A

Step-by-step explanation:

means that as the value of one variable increases, the value of the other variable increases; as one decreases the other decreases.

4 0
3 years ago
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