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2 years ago

Limit X go 0 to sign for x / sign 5X

Mathematics

1 answer:

amm18122 years ago

6 0

Lim X/SIN5X=lim 5X/5SIN5X=1/5

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Find 7x+y when x=4 and y=5. *

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Answer:

7x+y, when x+4 and y+5

7(4) + 5=

28+5=

Step-by-step explanation:

Hope this helps. :)

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3 years ago

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3 years ago

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Simplify each expression using the order of operations<br> 6 + 4/a + b/3 when a = 4 and b = 3

kolbaska11 [484]

6+4/4 + 3/3 (substitute variables)
10/4 + 3/3 (add 6+4)
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2 1/2 + 1 (Write improper fraction as proper fraction)
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2 years ago

What is 3/4 - (-2/3) as an improper fraction?

iragen [17]

Answer:

17/12

Step-by-step explanation:

See picture.

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Example:

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3 years ago

What is the sum of the infinite geometric series?<br><br> 120 + 20+ 10/3 + 5/9+...

Sergeu [11.5K]

Answer:

for an infinite geometric series the formula for the sum of the infinite geometric series when the common ratio is less than one is given by

$\frac{a_{1} }{1 - r}$ = $\frac{120}{1 - \frac{1}{6} } = \frac{120}{\frac{5}{6} } =$ $\frac{120 \times 6}{5}$ = 144.

Step-by-step explanation:

i) from the given series we can see that the first term is $a_{1 }$ = 120.

ii) let the common ratio be r.

iii) the second term is 20 = 120 × r

therefore r = 20 ÷ 120 = $\dfrac{1}{6}$

iv) the third term is $\frac{10}{3}$ = 20 × r

therefore r = $\dfrac{10}{3}$ ÷ 20 = $\dfrac{1}{6}$

v) for an infinite geometric series the formula for the sum of the infinite geometric series when the common ratio is less than one is given by

$\frac{a_{1} }{1 - r}$ = $\frac{120}{1 - \frac{1}{6} } = \frac{120}{\frac{5}{6} } =$ $\frac{120 \times 6}{5}$ = 144.

6 0

2 years ago