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adell [148]
3 years ago
9

How to Write 3,028,002 In Expanded Form

Mathematics
2 answers:
Sindrei [870]3 years ago
6 0
3,000,000+28,000+2=3,028,002
slamgirl [31]3 years ago
4 0
3,000,000+20,0000+8,000+2
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Carla buys a dress for $20.00 she pays 7 percent sales tax .. How much does she pay for the dress with tax?
BaLLatris [955]

Answer:

Carla pays $21.4 for the dress with tax.

Step-by-step explanation:

Here we are given that :

Price of dress = $20

Sales tax = 7%

Price of dress with tax = $20 + 7% of 20

Price of dress with tax = 20+1.4 = 21.4

Price of dress with tax = $21.4

Carla pays $21.4 for the dress with tax.

4 0
3 years ago
Find the cosine of the angle between the planes x+y+z=0 and 4x+3y+z=1.<br><br> Answer: cosθ=
marta [7]

The angle between the planes is the same as the angle between their normal vectors, which are

<em>n</em><em>₁</em> = ⟨1, 1, 1⟩

<em>n</em><em>₂</em> = ⟨4, 3, 1⟩

The angle <em>θ</em> between the vectors is such that

⟨1, 1, 1⟩ • ⟨4, 3, 1⟩ = ||⟨1, 1, 1⟩|| ||⟨4, 3, 1⟩|| cos(<em>θ</em>)

Solve for cos(<em>θ</em>) :

4 + 3 + 1 = √(1² + 1² + 1²) √(4² + 3² + 1²) cos(<em>θ</em>)

8 = √3 √26 cos(<em>θ</em>)

cos(<em>θ</em>) = 8/√78

4 0
3 years ago
If 5 x 5=X and 5 x Y=Y but X is not equal to Y but X times Y equals Y than what is X and what is Y
lukranit [14]

Answer:

x=0 y=1

Step-by-step explanation:

if x equals 0 then itll automatically bew diferent

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Que es un variable? (De matemáticas)
dsp73

Answer:

\huge\boxed{Que \ es \ un \  variable \ ?\hookleftarrow}

✐ En matemáticas, una variable es un símbolo que funciona como marcador de posición para expresiones o cantidades que pueden variar o cambiar; se utiliza a menudo para representar el argumento de una función o un elemento arbitrario de un conjunto. Además de los números, las variables se utilizan comúnmente para representar vectores, matrices y funciones.

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2 years ago
Write the equation of the circle with a center at (11,6) and a radius of 6.
andrew11 [14]

Answer:

(x-11)^2 + (y-6)^2= 6^2

Step-by-step explanation:

3 0
3 years ago
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