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3 years ago

An equation is shown below:

Mathematics

2 answers:

Karo-lina-s [1.5K]3 years ago

7 0

Original Equation.

5(2x - 8) + 15 = -15

First do what is in the parenthesis.

2 x 1 = 2

2 - 8 = -6

5(-6) + 15 = -15

Multiply 5 x -6 to get -30

-30 + 15 = -15

add 15 + -30 to get -15

-15

x = 1

Hope This Helps!

Can I get Brainliest?

DanielleElmas [232]3 years ago

5 0

X is 1.

first, you distribute the 5 into the parentheses.
5(2x-8)+15=-15 becomes 10x-40+15=-15

then you calculate the sum
10x-40+15=-15 becomes 10x-25=-15

after that you move the constant to the right of the equal sign and change the sign (ex negative becomes positive number)
10x-25=-15 becomes 10x=-15+25

next, you add the constants
10x=-15+25 becomes 10x=10

lastly, you divide the numbers.
10x=10 becomes 1

so x=1

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3 years ago

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If the acceleration of an object is given by dv/dt = −2v, Find the position function s(t) if v(0) = 7 and s(0) = 0.

kirill [66]

Answer:

Step-by-step explanation:

Given that acceleration of an object is

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is the solution to the differential equation

Since v(0) =7

we get ln 7 = C

Hence $lnv = -2t+ln 7\\v=7e^{-2t}$

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3 years ago

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Answer:

Step-by-step explanation:

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3 years ago

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