3 years ago

I need help i only have 5 min left

Mathematics

1 answer:

kirza4 [7]3 years ago

6 0

Answer:

find the slope then use this y-y1=m(x-x1)

Step-by-step explanation:

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Type the single exponent that would appear on the 7: *

liq [111]

You add the exponent. You never multiply it.

Hope this helps!

<em>Say, mind doing me a favor and clicking the brainliest button for me? It would help me tons.</em>

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6 0

3 years ago

2/5(25y - 50) + 25y simplified

Vitek1552 [10]

Answer:

$35y - 20$

Step-by-step explanation:

here's the solution :-

=》

$\frac{2}{5} (25y - 50) + 25y$

=》

$10y - 20 + 25y$

=》

$35y - 20$

3 0

3 years ago

Read 2 more answers

Solve the problem 6=-w/8<br> The slash means it is a fraction.

guapka [62]

48/8 can equal 6. I hope this helps!

7 0

3 years ago

Tyler’s brother earns a commission. He makes 2.5% of the amount he sells. Last week, he sold $900 worth of shoes. How much was h

lukranit [14]

Answer:

$22.5

Step-by-step explanation:

2.5% of 900

0.025(900)= 22.5

7 0

3 years ago

A potential energy function is given by U = A x3 + B x2 − C x + D . For positive parameters A, B, C, D this potential has two eq

Ivenika [448]

Answer:

7.8655

Step-by-step explanation:

Given the functionl

$U=Ax^3+Bx^2-cx+D$

Where,

$A=1.45J/m^3\\B=2.85J/m^2\\c= 1.7J/m\\D=0.6J$

We have, replacing,

$U=1.45x^3+2.85x^2-1.7x+0.6$

We need to derivate and verify for stable equilibrum that,

$\frac{d^2 U}{dx^2}>0$

Then,

$U'(x) = 4.32x^2+5.7x-1.7$

Roots in,

$x_1=-1.57008\\x_2=0.250636$

We obtain U"(x), then we have

$\frac{d^2U}{dx}=8.64x+5.7$

For $x=-1.57, U"(x)=-7.86549$ Unestable

For $x=0.250636 U"(x)=7.8655>0$ Stable

7 0

3 years ago