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ella [17]
3 years ago
10

What describes an equation that has a solution set of "all real numbers"

Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
5 0

Answer:

an equation where both sides of the equal side are the same number

example:

2n+3=2n+3

simplify that down and get

0=0

this is a true statement, 0 does equal 0, so the solution is all real numbers

inysia [295]3 years ago
4 0

Answer:

Any value you choose for x will make the equation a TRUE statement. This type of equation is called an identity, and the solution set is all real numbers.

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The dryers at Quik-Wash Laundry cost a quarter for 7 minutes. How many quarters will you have to use to dry your clothes for 45
Alchen [17]
It would not be an exact amount of quarters, but you would need 7 quarters in total to dry your clothes for 45 minutes. All you have to do is divide 45 by 7, which is roughly 6.42 quarters.
4 0
3 years ago
1. Un proyecto habitacional Una contratista de viviendas ha subdividido una granja en 100 lotes para construcción. Ella ha diseñ
Sunny_sXe [5.5K]

Answer:

número de rancho en casa= 90 homes

número de coloniales = 0

Step-by-step explanation:

Deje que el número del colonial sea x

Deje que el número de rancho sea y

Entonces;

30000 x + 40000 y = 3.6 × 10⁶ ---- (1)

x = \frac{3.6*10^6-4*10^4y}{3*10^4}

entonces beneficio P = 30000 x + 8000 y

P = 30000(\frac{3.6*10^6-4*10^4y}{3*10^4})+8000 \ y

\frac{dP}{dy} = \frac{-4*10^4}{3*10}+8000

Para obtener el máximo beneficio; El número de casas de rancho debe ser lo más alto posible:

y = \frac{3.6*10^6}{4*10^4}

número de rancho en casa= 90 homes

número de coloniales = 0

8 0
3 years ago
Part B
lidiya [134]

Answer: I don't know

Step-by-step explanation:

4 0
2 years ago
Write the equation in standard form using integers.
kifflom [539]

<h2><u><em>4x + 5y = -30 hope this helps</em></u></h2>

7 0
2 years ago
25x power square - 36 y power square​
finlep [7]

\implies {\blue {\boxed {\boxed {\purple {\sf {  (5x + 6y)(5x - 6y) }}}}}}

\large\mathfrak{{\pmb{\underline{\orange{Step-by-step\:explanation}}{\orange{:}}}}}

={25x}^{2}  - 36 {y}^{2}

=  ({5 \times 5)x}^{2}  -  (6 \times 6){y}^{2}

=  ({5x})^{2}  -(  {6y})^{2}

= (5x + 6y)(5x - 6y)

<h3><u>Note</u>:</h3>

{a}^{2}  -  {b}^{2}  = (a + b)(a - b)

\red{\large\qquad \qquad \underline{ \pmb{{ \mathbb{ \maltese \: \: Mystique35♛}}}}}

3 0
3 years ago
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