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Rainbow [258]
3 years ago
14

What could this be???????

Mathematics
2 answers:
Step2247 [10]3 years ago
8 0
Your answer is A it's a pretty simple task that you may just be overthinking
earnstyle [38]3 years ago
5 0
Just replace x by its new value (a+2)
f(x) = (3+x) / (x-3) ==> [3+(a+2) / (a+2) -3] ==> (5+a) / (a-1) . Answer B
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Una nadadora entrenó todos los días durante 21días. El primer día nadó 15 minutos, y cada día nadaba 5 minutos más que el día an
nadya68 [22]

Responder:

1 hora 55 minutos; 22 horas 45 minutos

Explicación paso a paso:

Dado que:

Tiempo el primer día = 15 minutos

Minutos adicionales cada día siguiente = 5 minutos

Número total de días

Usando la fórmula del enésimo término de una progresión aritmética:

Tn = A + (n - 1) d

A = primer trimestre = 15

d = diferencia común = 5

n = enésimo término

Tiempo de nado el último día (n = 21)

T21 = 15 + (21 - 1) 5

T21 = 15 + 20 * 5

T21 = 15 + 100

T21 = 115 minutos

= 1 hora 55 minutos

SEGUNDO.)

Suma de minutos durante las 3 semanas

Suma de n términos:

Sn = n / 2 * (primer término + último término)

Primer término = 15

Último trimestre = a21 = 115 minutos

n = número de términos = 21

Por lo tanto,

Sn = 21/2 * (15 + 115)

Sn = 10,5 * (130)

Sn = 1365 minutos

= 22 horas 45 minutos

3 0
3 years ago
PLSSS HELPPPP<br> 15 coins of dimes and nickels make up $1.00. How many dimes and nickels are there?
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5 dimes 10 nickels is the answer
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2 years ago
Which of the following statements must be true about the diagram? Check all that apply. Thank you!
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Step-by-step explanation:

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How Many feet are in 24 yards?
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6 0
4 years ago
Read 2 more answers
Please please help please ASAP please please ASAP
viktelen [127]

Answer:

x = 10 \\ y = 14

Step-by-step explanation:

\tan(45)  =  \frac{o}{x}

\tan(45)  =  \frac{10}{x }

a =  \tan(45)  \times 10

x = 10

\sin(45)  =  \frac{opp}{hyp}  \\  \sin(45)  =  \frac{10}{y}  \\ y =  \frac{10}{ \sin(45) }  \\ y = 14

4 0
3 years ago
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