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valentina_108 [34]
2 years ago
14

Marta is solving the equation S = 2πrh + 2πr2 for h. Which should be the result?

Mathematics
2 answers:
suter [353]2 years ago
8 0

Answer:

its d

i just took the quiz

Step-by-step explanation:

IceJOKER [234]2 years ago
3 0

Answer:

Here the answer LOL

Step-by-step explanation:

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Solve the equation for the given variable. *<br> 3(x - 5) = 7
MariettaO [177]

Answer:

x = 7.33

Step-by-step explanation:

3x - 15 = 7

3x = 7 + 15

3x = 22

x = 7.33

4 0
3 years ago
Can I ge some help on this please
nasty-shy [4]
I can’t see it if you send a photo I can help
3 0
3 years ago
Read 2 more answers
Help is very much appreciated.
Alecsey [184]

Answer:

5 + 5 =10

Step-by-step explanation:

it should have been 4 +6 = 10

3 0
2 years ago
Solve and graph the absolute value inequality: |2x + 4| &gt; 14.
Aloiza [94]

Answer:

"number line with open circles on negative 9 and 5, shading going in the opposite directions."

Step-by-step explanation:

Your inequality doesn't include an equal sign so there will be no closed holes. It will only be open holes.

|u|>14 means that the number u has to be greater than 14 or less than -14.  These numbers I describe just now all have a distance greater than 14 from 0.

So |u|>14 implies u>14 or u<-14.

But we are solving |2x+4|>14 so this implies we have 2x+4>14 or 2x+4<-14.

2x+4>14

Subtract 4 on both sides:

2x    >10

Divide both sides by 2:

x      >5

2x+4<-14

Subtract 4 on both sides:

2x    <-18

Divide both sides by 2:

x      <-9

So our solution is x>5 or x<-9.

Graphing!

~~~~~~~O                                         O~~~~~~~~

-----------(-9)---------------------------------(5)---------------

So we shaded to the right of 5 because our inequality says x is bigger than 5.

We shaded to the left of -9 because our inequality says x is less than -9.

4 0
3 years ago
LING'S HALLWAY IS 10 FEET LONG AND 4 FEET WIDE. HE PAID $200 TO TILE HIS HALLWAY FLOOR. HOW MUCH DID LING PAY PER SQUARE FOOT FO
ivanzaharov [21]

Answer:

5

Step-by-step explanation:

10x4/200=5

5 0
3 years ago
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