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3 years ago

What is 5 over 4 equal -4 plus 1 over 4

Mathematics

1 answer:

Kitty [74]3 years ago

4 0

Answer:

I think is -0.4375

Step-by-step explanation:

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What is the equation of the line containing points (-4,3) and (7,5)

ki77a [65]

Use the slope formula and slope-intercept form
y=mx+b
to find the equation.
y=2/11x + 4/11

Hope this helps

3 0

3 years ago

Consider the initial value problem:

Inessa [10]

Answer:

$\left \{ {{u'=v} \atop {v'=5v-6u-5\sin(2t)}} \right. \\u(0)=-5;u'(0)=2$

Step-by-step explanation:

The given initial value problem is;

$y''-5y'+6y=-5\sin(2t)---(1)\\y(0)=-5,y'(0)=2$

Let

$u(t)=y(t)----(2)\\v(t)=y'(t)----(3)$

Differentiating both sides of equation (1) with respect to $t$ , we obtain:

$u'(t)=y'(t)---(4)\\ \\\implies u'(t)=v(t)---(5)$

Differentiating both sides of equation (2) with respect to $t$ gives:

$v'(t)=y''(t)----(6)$

From equation (1),

$y''=5y'-6y-5\sin(2t)\\y''=5v(t)-6u(t)-5\sin(2t)\\\implies v'(t)=5v(t)-6u(t)-5\sin(2t)----(7)$

Putting t=0 into equation (2) yields

$u(0)=y(0)\\\implies u(0)=-5$

Also putting t=0 into equation (3)

$u'(0)=y'(0)\\u'(0)=2$

The system of first order equations is:

$\left \{ {{u'=v} \atop {v'=5v-6u-5\sin(2t)}} \right. \\u(0)=-5;u'(0)=2$

3 0

3 years ago

What is 190×76=? <br> Please help!

mart [117]

190*76 is equal to 14440.

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scZoUnD [109]

Answer:

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Luda [366]

If this is a True or False question, that is true.

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