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pychu [463]
3 years ago
12

PLease help me in this work!!!

Mathematics
2 answers:
Zinaida [17]3 years ago
8 0

Answer:

the first one is the expression

Sveta_85 [38]3 years ago
6 0
The second one
x-3x+4
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Volume? Correct answers please
goldfiish [28.3K]

Answer:

V = 1385.44

Step-by-step explanation:

The equation for volume is V = π r 2 h! Where V = volume, r = radius <em>(half the diameter)</em>, and h = height. Now lets substitute what we know into this equation!

<em>Since we are giving the diameter (14) we must divide by 2 to find the radius.</em>

                         14 ÷ 2 = 7

Radius = 7

Height = 9

V = ?

Time to plug these values in!

V = π 7^{2} (9)

<em>We have to distribute </em><em>pi to 7 square that term </em><em>and then </em><em>multiply the value by 9</em><em>. </em>

<em />

V = 1385.44

Hope this Helps! :)

<em>Have any questions? Ask below in the comments and I will try my best to answer.</em>

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7 0
3 years ago
W - 4c use w = 7 and c = 9 show work plz
Licemer1 [7]

Answer:

-29

Step-by-step explanation:

If we replace W with the number 7 and C with the number 9,

Then the task is given in this form:

7-4×9=

7-36=-29

3 0
3 years ago
An 5kg object is 6 meters what is the potential energy
AVprozaik [17]

Potential Energy of an object of 5kg which is 6 meters in height is 294 Joules.

Step-by-step explanation:

We are given:

Mass = m = 5 kg

Height = h= 6 meters

Potential Energy = ?

The formula used to find Potential Energy is:

Potential\,\,Energy =mgh

where m is mass, g is gravitational field and h is height

Putting the given values of mass and height, and g=9.8 m/s^2

Potential Energy = 5*9.8*6\\Potential Energy = 294 Joules

So, Potential Energy of an object of 5kg which is 6 meters in height is 294 Joules.

Keywords: Potential Energy

Learn more about Potential Energy at:

  • brainly.com/question/6013189
  • brainly.com/question/9251988
  • brainly.com/question/1198647

#learnwithBrainly

3 0
4 years ago
A school principal ordered 100 pizzas for
tester [92]

Answer:

c + p = 100

11.50c + 13.00p = 1255

Step-by-step explanation:

The first equation represents the total number of pizzas, and determines how many were cheese or pepperoni,

The second equation represents the total cost of the pizzas, and determines how much each type of pizza contributes to the total cost.

8 0
3 years ago
Read 2 more answers
What is the unit rate for 9 pages in 3 hours
Crazy boy [7]
Divide both the top and bottom by 3.

3 pages in 1 hour is the answer.

Hope this helps!
3 0
4 years ago
Read 2 more answers
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