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alexandr402 [8]
3 years ago
14

To eliminate the terms and solve for y in the tewest steps, by which constants should the equations be multiplied by before

Mathematics
1 answer:
Novosadov [1.4K]3 years ago
6 0

Answer:

the equation is not shown...

Step-by-step explanation:

but to solve for y you should use the first equation that is use the coefficient of x in the first equation to multiply all the terms in the second equation.

And use the coeffient of x in the second equation to multiply the the terms in the first equation.

It would have been better if the equation was shown for better explanation.

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Which expression is equal to...
salantis [7]
The answer is the one that has a denominator of X-5 :)
3 0
2 years ago
Read 2 more answers
Suppose xy=−4 and dy/dt=−3. Find dx/dt when x=−1.
user100 [1]
When x=-1: \quad (-1)y=-4\qquad\to\qquad y=4\)

Ok that gives us a little more information.
If we implicitly differentiate with respect to t, from the very start, then we can apply our product rule, ya?

x'y+xy'=0

The right side is zero, derivative of a constant is zero.
Where x' is dx/dt and y' is dy/dt.

From here, plug in all the stuff you know:
y' = -3
x = -1
y = 4

and solve for x'.

Hope that helps!
4 0
3 years ago
Y= -0.25x + 4.7<br> Y=4.9x - 1.64
Andreas93 [3]

Answer:

The answer would be (1.23, 4.39)

Step-by-step explanation:

Because they are both equal to y, we can set the equations equal to each other and then solve.

4.9x - 1.64 = -0.25x + 4.7

5.15x - 1.64 = 4.7

5.15x = 6.34

x = 1.23

Now that we have the value for x, we can plug into either equation and find y.

y = -0.25x + 4.7

y = -0.25(1.23) + 4.7

y = -.31 + 4.7

y = 4.39

3 0
3 years ago
PLEASE PLEASE HELP! If ABC is congruent to DEF by side side side triangle congruence, then angle B is congruent to angle E by wh
anygoal [31]
I believe your answer would be D.) because the triangles were already proven to be congruent
6 0
3 years ago
Sorry theres 3 more after this its all urgent
faust18 [17]

Answer:

b

Step-by-step explanation:

I just took the quiz

6 0
3 years ago
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