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Basile [38]
3 years ago
8

HELP ASAP

Mathematics
1 answer:
lora16 [44]3 years ago
3 0
I solved it on a piece of paper. I can not answer why I got the same answer, but I hope my method helped

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HELP PLEASE!! Please don't give me sites or links, those won't work since the site is blocked!
rewona [7]

Answer:

x = -68

Step-by-step explanation:

1) multiply the two members by 17

x = -68

7 0
3 years ago
What's 4(2a)+7(-4b)+(3•c•5) in standard form?
Natasha_Volkova [10]

Answer:

4(2a)+7(-4b)+(3•c•5)

8a -28b +(15*c)

Step-by-step explanation:

6 0
3 years ago
Find a solution to the initial value problem,<br> y″+12x=0, y(0)=2,y′(0)=−1.
levacccp [35]

Answer:

y = -2*x^3 - x + 2

Step-by-step explanation:

We want to solve the differential equation:

y'' + 12*x = 0

such that:

y(0) = 2

y'(0) = -1

We can rewrite our equation to:

y'' = -12x

if we integrate at both sides, we get:

\int {y''} \, dx  = y'=  \int {-12x} \, dx

Solving that integral we can find the value of y', so we will get:

y' = -12* (1/2)*x^2 + C = -6*x^2 + C

where C is the constant of integration.

Evaluating y' in x = 0 we get:

y'(0) = -6*0^2 + C = C

and for the initial value problem, we know that:

y'(0) = -1

then:

y'(0) = -1 = C

C = -1

So we have the equation:

y' = -6*x^2 - 1

Now we can integrate again, to get:

y = -6*(1/3)*x^3 - 1*x + K

y =  -2*x^3 - x + K

Where K is the constant of integration.

Evaluating or function in x = 0 we get:

y(0) = -2*0^3 - 0 + K

y(0) = K

And by the initial value, we know that: y(0) = 2

Then:

y(0) = 2 = K

K = 2

The function is:

y = -2*x^3 - x + 2

4 0
3 years ago
I will give Brainiest if you are right
dmitriy555 [2]

Answer:

The answer is $22.75! (A)

Step-by-step explanation:

All you have to do is subtract $36.50 by $13.75 and get the amount of the 2nd piggy bank.

22.75 + 13.75 = 36.50

8 0
3 years ago
Which equation represents a geometric sequence?
Monica [59]

Answer:

B

Step-by-step explanation:

8 0
4 years ago
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