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Nat2105 [25]
4 years ago
13

How do you multiply 342 and 13.5

Mathematics
1 answer:
Kaylis [27]4 years ago
4 0

Answer:

Step-by-step explanation: first multiply 342 and 135

then put the decimal just before the ones digit.

answer is

4617.0

please mark  as brainliest

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<img src="https://tex.z-dn.net/?f=x%20%7B%7D%5E%7B3%7D%20-%203x%20%20%7B%7D%5E%7B2%7D%20%20%2B%20%202x%20%3D%20336" id="TexFormu
mash [69]

Answer:

<h2>x = 8</h2>

Step-by-step explanation:

x³ - 3x² + 2x - 336 = 0

Find one factor of the polynomial

That's

x - 8

because when its value is equated to zero substituted into the polynomial will give you zero

Factorize x - 8 out

We have

(x - 8) ( x² + 5x + 42) = 0

x - 8 = 0

x = 8

x² + 5x + 42 = 0

Since the roots of this quadratic equation are complex and are not real numbers

<h3>x = 8</h3>

Hope this helps you

8 0
3 years ago
8. A patient is to take 60 milligrams (mg) of an antibiotic on day 1, take 45 milligrams (mg) on day 2, take 30 milligrams (mg)
brilliants [131]

8.

We have that the patient is to take

- day 1: 60mg

- day 2: 45mg

- day 3: 30mg

- day 4: 15mg

So, the total of mg that the patient will take is

\text{Total}=60mg+45mg+30mg+15mg=150mg

Finally, in the four days the patient will take 150mg in total

7 0
1 year ago
Change 273° Kelvin to Celsius degrees.<br> P Leeeeeeeeeeee Sssssssssss help me
Romashka [77]

Answer: 273 degrees kelvin =  -0.15 degrees celsius

hope this helps brainliest plz

3 0
3 years ago
Sofia cuts a piece of felt in the shape of a kite for an art project. The top two sides measure 20 cm each and the bottom two si
Phantasy [73]

x + y  = 24       where x and y are the 2 parts of diagonal Other diagonal wil be smaller that 24. 
x^2 + z^2 = 13^2
y^2 + z^2  = 20^2            where z  = 0.5 * length of smaller diagonal)

form last 2 equations

y^2 - x^2  = 20^2 - 13^2  =  231
 now y = 24-x so we have

(24 - x)^2    - x^2 = 231

576 - 48x = 231

48x = 345

x =  7.1875

z^2  =  13^2 - 7.1875^2 =  117.34
z =  1.83

so smaller diagonal = 21.66 cm


looks like its the third choice.



5 0
3 years ago
What does x equal? Plus can u pls explain cuz I have a test friday
Delvig [45]
7x and x+20 lie on the straight line so they will equal to 180. So now we can add them and set them equal to 180 so we can solve for x.

7x + x + 20 = 180
8x + 20 = 180
8x = 160
x = 20.

So the value of x is 20

Hope I helped :) 
4 0
4 years ago
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