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4 years ago

(1+ 1/2 )(1+ 1/3 )(1+ 1/4 )...(1+ 1/100 ) find the answer

2 answers:

7 0

<h2>Answer: 2 and 21/40 is the answer</h2><h2></h2><h2>hope it helps!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!</h2>

nydimaria [60]4 years ago

3 0

Answer:

I got 4 1/400 hope that helps.

Step-by-step explanation:

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Find b, given that a = 20, angle A = 30°, and angle B = 45° in triangle ABC

Kamila [148]

<span>The side b is opposite to the angle B, applying the law of the sines, we have:

</span> $\frac{a}{sinA} = \frac{b}{sinB}$
$\frac{20}{sin30^0} = \frac{b}{sin45^0}$
$\frac{20}{ \frac{1}{2} } = \frac{b}{ \frac{ \sqrt{2} }{2} }$
$20* \frac{ \sqrt{2} }{2} = b* \frac{1}{2}$
$\frac{20 \sqrt{2} }{2} = \frac{b}{2}$
$2*b =2*20 \sqrt{2}$
$2b = 40 \sqrt{2}$
$b = \frac{40 \sqrt{2} }{2}$
$\boxed{b = 20 \sqrt{2} }$

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3 years ago

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Emma opens a savings account with $100. She saves $60 per month. The equation T(n) = 60n + 100 can be used to represent this pro

Studentka2010 [4]

Answer:

The fixed term is the y-intercept. In this case the y-intercept would be 100.

Step-by-step explanation:

This is because the 100 dollars cannot be changed. You can always change the amount you save per month and the amount of months you save.

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3 years ago

If ∠ABD is a right angle, which is the measure of ∠CBD?

Brut [27]

Answer:

Step-by-step explanation:

90-75=15

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3 years ago

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Jenny has finished 12 out of 20 lessons in her piano book. what percent has she finished?

kondor19780726 [428]

Answer: Your answer is 8 (:

Step-by-step explanation: 12 + 8 = 20

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3 years ago

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Which ordered pair below is a solution to the following system of equations? x + 2y = 7 2x − y = -1

yan [13]

Answer: (1,3)

Step-by-step explanation:

Let's solve this <u>system of equations</u> by elimination. We will multiply one or both equations such that when we combine the equations, one of the variables will completely cancel out.

Let's multiply the whole first equation by -2 to achieve this:

$-2(x+2y=7)$ now becomes $-2x-4y=-14$

Now let's add both equations

$-2x-4y=-14$

$2x-y=-1$

$-5y= -15$

Since we got y into a form we can solve it for, lets divide both sides by -5 to isolate it.

$\frac{-5y}{-5} = \frac{-15}{-5}$

$y=3$

Now that we have the value of y, we can substitute it into any equation to solve for x. Only if we have both x and y can we make an ordered pair. Let's use the second equation and substitute 3 for y.

$2x-3=-1$

We can now solve for x.

$2x=2$ <em>[Adding 3 to both sides]</em>

<em /> $x=1$ <em>[Dividing by 2 on both sides]</em>

We now have both x and y, so we can put it in an ordered pair to answer the question.

$(1,3)$

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2 years ago