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sertanlavr [38]
2 years ago
7

Which expression is equivalent to

Mathematics
2 answers:
Annette [7]2 years ago
8 0

D.4x + 6y - 14

This is the answer

Ierofanga [76]2 years ago
4 0
The answer is (D) but I am not working
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A set of golf balls sells for $20. This week it is on sale for 30% off of the original price. What is the sale price of the set?
tankabanditka [31]

Answer:

$14

Step-by-step explanation:

20 x .7 = 14

8 0
3 years ago
Read 2 more answers
Resuelve el siguiente problema de fracciones y escoge la alternativa correcta: Jaime compra una propiedad en 84000 dólares y des
Kryger [21]

Answer:

$21,000

Step-by-step explanation:

Solve the following fraction problem and choose the correct alternative: Jaime buys a property for $ 84,000 and after one year sells it earning 1/4 of the purchase price. How much was the profit? *

The amount of profit is calculated as

1/4 of the purchase price

Purchase price = $84,000

= 1/4 of $84,000

= 1/4 × $84,000

= $21,000

Therefore, the amount of the profit = $21,000

5 0
3 years ago
Find the solution of the differential equation that satisfies the given initial condition. dy/dx=x/y , y(0)=-1
Charra [1.4K]

Separating variables, we have

\dfrac{dy}{dx} = \dfrac xy \implies y\,dy = x\,dx

Integrate both sides.

\displaystyle \int y\,dy = \int x\,dx

\dfrac12 y^2 = \dfrac12 x^2 + C

Given that y(0)=-1, we find

\dfrac12 (-1)^2 = \dfrac12 0^2 + C \implies C = \dfrac12

Then the particular solution is

\dfrac12 y^2 = \dfrac12 x^2 + \dfrac12

y^2 = x^2 + 1

y = \pm\sqrt{x^2 + 1}

and because y(0)=-1, we take the negative solution to accommodate this initial value.

\boxed{y(x) = -\sqrt{x^2+1}}

7 0
2 years ago
I'm in a test please help
Margaret [11]

Select ALL the correct answers. A bicycle manufacturer uses the given expression to model the monthly profit from sales of a new model of bicycle, where x is the selling price of one bicycle, in dollars. -12 + 3001 20,000 At what selling prices for the bicycle will the manufacturer make neither a profit nor a loss? $50

answer 250

8 0
3 years ago
Determine whether each ordered pair is a solution to the inequality x+y<−1.
leva [86]

Answer:

no

Step-by-step explanation:

coordinates pair (2,11) does not go with the inequality

6 0
3 years ago
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