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Lorico [155]
3 years ago
15

What’s the answer?????

Mathematics
2 answers:
abruzzese [7]3 years ago
8 0

Answer:

19.3

Step-by-step explanation:

d=m/v

d=2316/120

d=19.3 g/cm^3

zheka24 [161]3 years ago
6 0

Answer:

19.3g/cm^3

Step-by-step explanation:

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According to these three facts, which statements are true?
sveticcg [70]
We have that

1)<span>Circle W has center (−3, 0) and radius 8
the equation of a circle W is
(x+3)</span>²+(y)²=8²

2)<span>Circle V is a translation of circle W, 2 units down.
the center of circle V--------> (-3,0-2)---------> (-3,-2)

3)</span><span>Circle V is a dilation of circle W with a scale factor of 2.
then the radius circle V is 8*2------> 16 units
</span>the equation of a circle V is
(x+3)²+(y+2)²=16²

therefore

 case <span>A. Circle V and circle W are similar.---------> is correct
</span>because  I can transform circle V to circle W using only translations, rotations and scaling  (In the case of circles, no rotations are necessary).

case <span>B. Circle V and circle W have the same center.-------> is not correct

case </span><span>C. The radius of circle V is 16.-----------> is correct

case </span><span>D. The center of circle V is (−5, 0).----------> is not correct


the answer is
</span> case A. Circle V and circle W are similar.---------> is correct
 case C. The radius of circle V is 16.-----------> is correct
3 0
3 years ago
A cylinder has diameter of 4ft and a height of 9ft. Explain whether halving the diameter has the same effect on the surface area
elena55 [62]

Answer:

See Below

Step-by-step explanation:

The surface area of cylinder is given by the formula:

SA=2\pi r^2 + 2\pi r h

Where

r is radius ( diameter is 4, so radius is 4/2 = 2)

h is height ( h = 9)

Lets find original surface are:

SA=2\pi r^2 + 2\pi r h\\SA=2\pi (2)^2 + 2\pi (2) (9)\\SA=8\pi +36\pi\\SA=44\pi

<u>Halving diameter:</u>

diameter would be 4/2 = 2, so radius would be 2/2 = 1

So, SA would be:

SA=2\pi r^2 + 2\pi r h\\SA=2\pi (1)^2 + 2\pi (1) (9)\\SA=2\pi +18\pi\\SA=20\pi

<u>Halving height:</u>

Height is 9, halving would make it 9/2 = 4.5

Now, calculating new SA:

SA=2\pi r^2 + 2\pi r h\\SA=2\pi (2)^2 + 2\pi (2) (4.5)\\SA=8\pi + 18\pi\\SA= 26\pi

Original SA is 44\pi,

Halving diameter makes it 20\pi

Halving height makes it 26\pi

So, halving diameter does not have same effect as halving height.

5 0
3 years ago
Solve:​ z5 + 3 = −35
Fudgin [204]

Answer:

z= - 5 √ 38

Step-by-step explanation:

take the root of both sides

or

you can factor each set and make them equal to zero

8 0
3 years ago
A computer program randomly picks from the whole numbers 0-9 and lowercase letters, one at a time, to create a password. What is
I am Lyosha [343]
1 in 35 or <span>0.03 is the probability</span>
7 0
3 years ago
The table shows weight for different US coins Allen has one each coin in his hand.round each weight to the nearest whole gram.th
Elodia [21]

penny: 3 grams

nickel: 5 grams

dime: 2 grams

quarter: 6 grams

half dollar: 11 grams


3+5+2+6+11= 27


answer: 27 grams


hope this helps!



4 0
3 years ago
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