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3 years ago

Need help on this, please

Mathematics

1 answer:

sergiy2304 [10]3 years ago

4 0

Answer: 30 something?

Step-by-step explanation:

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The surface area of a rectangular prism is 115 square inches. What are possible dimensions of the prism?

Delvig [45]

I think D? not to sure

7 0

3 years ago

Ok so what really is 9 10?

alina1380 [7]

I am guessing you meant 9+10 which is 19

3 0

3 years ago

Read 2 more answers

Consider the following.3x + 3y = 8(a) Find y' by implicit differentiation.(b) Solve the equation explicitly for y and differenti

ludmilkaskok [199]

Answer:

a.y'=-1

b.y'=-1

c.Yes

Step-by-step explanation:

We are given that consider a function

$3x+3y=8$

Implicit function: That function is a relation in which dependent variable can not be expressed in terms of independent variable

Explicit function: It is that function in which dependent variable can be expressed in terms of independent variable.

a. $3x+3y=8$

Differentiate w.r.t x then we get

$3+3\frac{dy}{dx}=0$

$3\frac{dy}{dx}=-3$

$\frac{dy}[dx}=\frac{-3}{3}=-1$

$\frac{dy}{dx}=y'=-1$

b. $3x+3y=8$

$3y=8-3x$

$y=\frac{8-3x}{3}$

Differentiate w.r.t x then we get

$\frac{dy}{dx}=\frac{-3}{3}=-1$

$\frac{dy}{dx}=y'=-1$

When we substituting the value of y obtained from part b into a solution of part a then we get

$y'=-1$

Hence, solutions are consistent.

8 0

3 years ago

10cm+blank equals 100cm

sveticcg [70]

90 cm
10+90
equals 100

6 0

3 years ago

Find the 55th term in the following<br> arithmetic sequence :<br> -102, -98, -94, -90, ...

Harman [31]

Answer: It’s...

Step-by-step explanation: All of these numbers are going backwards by -4. Just keep subtracting. But then again, it will take you ages. So... try multiplying 51 by -4. Then -86 - whatever total you got. I have no clue if this will help. Is this even an assignment for you or a trick question?

4 0

3 years ago