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e-lub [12.9K]
3 years ago
15

Simplify: sin8x cos3x + cos8x sin3x

Mathematics
1 answer:
UkoKoshka [18]3 years ago
6 0

Answer: sin11x

step by step solution :

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ANYONE SMART AT MATH NEED HELP ON THIS
a_sh-v [17]

Answer:

Frank is correct.

Step-by-step explanation:

Frank is correct because the bag does not have 49 marbles but it does have 7 total.

You can double check this: 6 + 1 =7. 7 marbles total so frank is correct!

Have an amazing day!!!

PLEASE RATE!!

4 0
2 years ago
if anyone can help me on my algebra test and is okay with giving me their snap or insta plss loll i really need help ASAP.
Fynjy0 [20]

Answer:

I could, but Algebra 1 or 2? Also, what are you learning about?

6 0
3 years ago
Após recuperar-se de uma cirurgia, o treinador da corredora Andrea estipulou um plano de treinamento diário: correr 500 metros n
user100 [1]

Explicación paso a paso:

La distancia recorrida el primer día = 500 m

Si aumenta la distancia en 200 m diariamente, entonces el total corrido diariamente formará una progresión aritmética con el último término de 10 km (10,000) como se muestra;

500, (500 + 200), (500 + 200 + 200) ... 10,000

500, 700, 900 ... 10,000

para que sepamos el número total de días usados ​​para la carrera, usaremos la fórmula para calcular el enésimo término de una secuencia aritmética como se muestra;

T_n = a+(n-1)d where;

n es el número de términos

a es el primer término de la secuencia

d es la diferencia común

Dado a partir de la secuencia:

a = 500

Tn = 10,000

d = 700-500 = 900-700 = 200

Sustituir en la fórmula y calcular el valor de n

10,000 = 500+(n-1)*200\\10,000 = 500+(200n-200)\\10,000 = 500-200+200n\\200n = 10,000-300\\200n = 9,700\\n = 9,700/200\\n = 48.5

Andrea habría alcanzado los 10.000km tras 48,5 días de carrera

8 0
3 years ago
Find the 4th term if the sequend in which a1 = 2 and an+1 = -4an + 2.
enyata [817]
The notation, more or less indicates that, the first value in the sequence is 2, the next term's value, will be "current value, times -4 and plus 2"

thus   \bf \begin{array}{ccllll}
a_n\ term&&value\\
\text{\textemdash\textemdash\textemdash}&&\text{\textemdash\textemdash\textemdash}\\
a_1&&2\\
a_2&-4a_1+2&-4(2)+2\implies -6\\
a_3&-4a_2+2&-4(-6)+2\implies 26\\
a_4&-4a_3+2&-4(26)+2\implies -102
\end{array}
8 0
4 years ago
PLEASE ANSWER RIGHT FOR BRAINLIEST. AND NO THIS IS NOT A TEST ITS A PRACTICE.
Fiesta28 [93]

Answer:

Hi

Step-by-step explanation:

4 0
3 years ago
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