3 years ago

Find the LCM of these numbers: 18, 27

Mathematics

1 answer:

Nastasia [14]3 years ago

4 0

The answer is 54 hope this helps

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Someone please help me I really need help !!!!

DanielleElmas [232]

Answer:

$\frac{71}{100}$

<h3>Answer c</h3>

Step-by-step explanation:

$\frac{14}{100} = squash \\ \frac{3}{20} = \frac{15}{100} = tennis \\ \frac{14 +1 5}{100} = \frac{29}{100} \\ \\ \frac{100}{100} - \frac{29}{100 } \\ = \frac{71}{100} = rugby$

5 0

2 years ago

Solve the equation x^13-2x^12-x^11+2x^10=0 in the real number system

ASHA 777 [7]

Answer:

x ={0; - 1 ; 2 ; 1}

Step-by-step explanation:

x¹³-2x¹²-x¹¹+2x¹⁰=0

x¹⁰(x³-2x²-x+2)=0

x¹⁰(x+1)(x-2)(x-1)=0

x¹⁰=0 ∨ x+1=0 ∨ x-2=0 ∨ x-1=0

x=0 x= - 1 x= 2 x= 1

3 0

3 years ago

5x^2 - 6x - 28 = 0<br> please help me do this

Yanka [14]

Answer:

x= 3 5 + 1 5 √149 or x= 3 5 + −1 5 √149

4 0

2 years ago

B+7=10 what is the sum of b?

juin [17]

B = 3. Hope it helps!

5 0

3 years ago

Find the uncertainty in a calculated average speed from the measurements of distance and time. Average speed depends on distance

zzz [600]

Answer:

$\frac{\Delta v}{v}=0.426$

Step-by-step explanation:

you have that the average sped is given by the following formula:

$v(x,t)=\frac{x}{t}$

The uncertainty formula for a division is given by:

$\frac{\Delta v}{v}=\sqrt{(\frac{\Delta x}{x})^2+(\frac{\Delta t}{t})^2}$ (1)

Δv: uncertainty in speed

Δx: uncertainty in the distance = 0.9m

Δt: uncertainty in time = 0.7s

x: distance = 8.1m

t: time = 1.7s

You replace the values of all parameters in the equation (1):

$\frac{\Delta v}{v}=\sqrt{(\frac{0.9}{8.1})^2+(\frac{0.7}{1.7})^2}\\\\\frac{\Delta v}{v}=0.426$

Hence, the relation between the uncertainty in the average velocity is 0.426

4 0

3 years ago