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3 years ago

Please help (Proportions)

Mathematics

2 answers:

Yanka [14]3 years ago

6 0

Answer:

1 cup of sugar ..............

In-s [12.5K]3 years ago

4 0

ANSWER: 1 cup

36 cookies: 2 cups
18 cookies: 1 cup
(Divided by 2)

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Find the sum of x^2+3x and <br> -2x^2+9x+5

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3 years ago

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Given sin theta= 6/11 and sec theta < 0, find cos theta and tan theta.

bekas [8.4K]

Answer: option a.

Step-by-step explanation:

By definition, we know that:

$cos^2(\theta)=1-sen^2(\theta)\\\\tan(\theta)=\frac{sin(\theta)}{cos(\theta)}$

Substitute $sin(\theta)=\frac{6}{11}$ into the first equation, solve for the cosine and simplify. Then, you obtain:

$cos(\theta)=\±\sqrt{1-(\frac{6}{11})^2}\\\\cos(\theta)=\±\sqrt{\frac{85}{121}}\\\\ cos(\theta)=\±\frac{\sqrt{85}}{11}$

As $sec\theta$ then $cos\theta$ :

$cos(\theta)=-\frac{\sqrt{85}}{11}$

Now we can find $tan\theta$ :

$tan\theta=\frac{\frac{6}{11}}{-\frac{\sqrt{85}}{11}}\\\\tan\theta=-\frac{6\sqrt{85}}{85}$

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3 years ago

Read 2 more answers

PLEASE HELP FAST!

Flura [38]

2² · 3³ · 5 · 7
Is the answer and the lowest common multiple is 1260.

Hope this helps :)

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3 years ago

What is the recursive formula for this geometric sequence with this explicit formula?

BabaBlast [244]

the n th term (explicit ) formula for a geometric sequence is

$a_{n}$ = $a_{1}$ $(r)^{n-1}$

The given explicit formula therefore has

$a_{1}$ = 5 and r = - $\frac{1}{8}$

The recursive formula, allows us to find the next term in the sequence from the previous term

Here the next term in the sequence is obtained by multiplying the previous term by - $\frac{1}{8}$

$a_{n}$ = $a_{n-1}$ (- $\frac{1}{8}$ ) with $a_{1}$ = 5

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3 years ago