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4 years ago

6

Solve the system: 6x=25y+1 5x−16y=−4

1 answer:

jeka944 years ago

5 0

Answer:

The solution is (x,y)=(-4,-1)

Step-by-step explanation: Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for the remaining variables.

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Compute 7-9-2+10-4?

alexandr1967 [171]

I believe it would be 2. Since 7-9= -2 then subtract another 2 which equals -4 then add 10 which equals 6 then subtract 4. Which equals 2.

2 is the answer, hope this helps

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3 years ago

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3 years ago

Mum is 25 years older than her son Max, but she is 1 year younger than

In-s [12.5K]

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3 years ago

If Oscar spins this spinner 100 times, approximately how many times will it land on blue?

ziro4ka [17]

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3 years ago

Read 2 more answers

If an archer shoots an arrow straight upward with an initial velocity of 160

HACTEHA [7]

Answer:

maximum height of the arrow will be 408 m

Step-by-step explanation:

We have given the function of height as $h(t)=-16t^2+160t+8$

We know that first derivative of height will be velocity

So first derivative of height

$\frac{dh}{dt}=-32t+160$

$v(t)=-32t+160$

We know that at maximum height velocity will be zero

$-32t+160=0$

t = 5 sec

Sp arrow will be at maximum height at t = 5 sec

So height at t = 5 sec will be

$h(5)=-16\times 5^2+160\times 5+8=408m$

So maximum height of the arrow will be 408 m

5 0

3 years ago