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DiKsa [7]
3 years ago
13

What is the difference between 3/7 and 1/14 A 1/2 B 4/14 C 5/14 D 9/14

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
8 0
C. 5/14
You find the LCD. In this case it would be 14 since both 7 and 14 can go into 14. You have to multiply the top by the same number as the bottom. 2*7=14
2*3=6. You now have 6/14. 6-1=5 
The denominator stays the same. 5/14 
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The height of a triangle is 2 less than 5 times its base. If the base of the triangle is x feet and the area of the triangle is
azamat

Answer:

the answer is a

Step-by-step explanation:

4 0
3 years ago
Prove that squaring a number will give a number that is divisible by 4
Marizza181 [45]
This is not true with every numbers, but here you need only one example, so it could be many, one of them are:

Proof:
Number 6, 
--Squaring of 6 = 6² = 36
--Now divide by 4, = 36/4 = 9  [ number is whole, so it is divisible ]

Number 8, 
-- Squaring of 8 = 8² = 64
--Now divide by 4, 64/4 = 16  [number is whole, so it is divisible ]

Here, I gave you two examples, but you can create some more, by any even number squaring like, 2, 4, 6, 8, 10, 12, 14

Hope this helps!
3 0
3 years ago
Read 2 more answers
3x² + 8x - 4=0<br> Use the quadratic formula to solve the equation
Lisa [10]

Answer:

x=4/14

Step-by-step explanation:

step one:

3x^2+8x-4=0 turns into -

6x+8x-4=0

Step two:

6x+8x-4=0 turns into -

14x-4=0   because you have to combine like terms

Step three:

14x-4= 0 turns into

14x=4 to get x by itself

Step four:

14x=4 turns into -

x=4/14

5 0
3 years ago
Read 2 more answers
Evaluate the line integral ∫cf⋅dr, where f(x,y,z)=5xi−4yj+3zk and c is given by the vector function r(t)=⟨sint,cost,t⟩, 0≤t≤3π/2
Katena32 [7]

WIth the parameterization

\mathbf r(t)=\langle\sin t,\cos t,t\rangle

we end up with

\mathbf f(\mathbf r(t))=\mathbf f(\sin t,\cos t,t)=5\sin t\,\mathbf i-4\cos t\,\mathbf j+3t\,\mathbf k

We also have

\mathrm d\mathbf r=\mathbf r'(t)\,\mathrm dt=\langle\cos t,-\sin t,1\rangle\,\mathrm dt

So in the line integral, we get

\displaystyle\int_{\mathcal C}\mathbf f\cdot\mathrm d\mathbf r=\int_{t=0}^{t=3\pi/2}\mathbf f(\mathbf r(t))\cdot\mathbf r'(t)\,\mathrm dt

=\displaystyle\int_{t=0}^{t=3\pi/2}(9\sin t\cos t+3t)\,\mathrm dt=\frac98(3\pi^2+4)

8 0
3 years ago
Write 25.75% as a decimal. thx :)
professor190 [17]

Answer:

0.2575

<em>That’s your answer! </em>:)

4 0
3 years ago
Read 2 more answers
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