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Sati [7]
3 years ago
10

What is the simplified value of the expression below?

Mathematics
2 answers:
astraxan [27]3 years ago
7 0

Answer:

-78.12

Step-by-step explanation:

a 12.4x-6.3= -78.12

mark as brainlyliest

adoni [48]3 years ago
5 0

Answer:

-78.12

Step-by-step explanation:

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lara [203]

Answer:

4324eqW

Step-by-step explanation:

3 + 5 =7

7 0
3 years ago
The diagram shows a solid formed by joining a hemisphere, of radius rcm, to a cylinder, of radius rcm and height hcm. The total
posledela

Answer:

Step-by-step explanation:

The total surface area of the sphere = 2πr²

Total surface area of the cylinder = 2πr²+2πrh

Total surface area of the solid = 4πr²+2πrh

r is the radius of the sphere and the cylinder

h is the height of the cylinder

Total surface area of the solid = 2πr(r+h)

If the total height of the solid is 18 cm, then r+h = 18cm

Given the Total surface area of the solid = 205π cm

205π = 2πr(r+h)

205π = 2πr(18)

205π = 36πr

205 = 36r

Divide both sides by 36

205/36 = 36r/36

r = 5.69cm

Since  r+h = 18cm

5.69+h = 18

h = 18-5.69

h = 12.31cm

6 0
3 years ago
CAN SOMEONE HELP ME PLEASE ASAP!?
Liono4ka [1.6K]

Answer:

True

Have a good day

4 0
2 years ago
Please hep if you can
Dmitry_Shevchenko [17]
285*0.078=22.23
22.23+285=307.23
It Costs $307.23
8 0
3 years ago
Read 2 more answers
I need answer how to do
dolphi86 [110]
For number 3 the problem solving it can be What is the difference between the T REX and the triceratops

The last one u could put Add up all the dinos and what will u get.


6 0
3 years ago
Read 2 more answers
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