PLS HELP. write as an expression. thank you:)

Mathematics

1 answer:

Anton [14]2 years ago

8 0

Answer:

$x^{\frac{3}{2} } p^{6}$

Step-by-step explanation:

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Elimination Method: 6x - 4y = -24 and 4x + 5y = -2

nirvana33 [79]

Answer:

$(-2;-6)$

Step-by-step explanation:

First of all, let's rewrite the first one after dividing both sides by 2.

$\left \{ {{3x-2y=-12\atop {4x+5y=-2}} \right.$

Now, let's pick one you want to eliminate.

<u>Eliminating x:</u> Let's multiply the first one by 4, the second by 3, and subtract one from the other. Rest is simply solving an equation in one variable

$4I-3II : 12x-8y-12x+15y = -48 - (-6)\\7y = -42 \rightarrow y= -6$

<u>Eliminating y:</u> Let's multiply the first by 5, the second by 2, and add them together. Rest is simply solving an equation in one variable

$5I+2II: 15x -10y +8x +10y = -60 +4\\23x = -56 \rightarrow x=-2$

4 0

2 years ago

Newton currently has an account balance of $6225.18. He opened the account 15 years ago with a deposit of $4543.11. If the inter

TiliK225 [7]

Formula of the daily compound interest:
A = P.e^(r.t), where P is the initial investment, r = interest rate, t = number of years e= 2.718 and A = final amount

6,225.18= 4,543.11(e)^(r.15)

(e)^(r.15) = 6,225.18/4,543.11

(e)^(r.15) = 1.3702046

ln[(e)^(r.15)] = ln(1.3702046)

15.r = 0.314991

And r = 0.314491/15 = 0.020 OR 2%

4 0

3 years ago

An object travels around a circle of radius r with constant speed. If s is the distance traveled in time t around the circle and

Alex

Answer with Step-by-step explanation:

We are given that

Radius of circle=r

Total distance traveled =s

Time=t

Central angle= $\theta$ rad