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2 years ago

10

Help me please I need to ge tthis done so can get an a

1 answer:

Keith_Richards [23]2 years ago

4 0

Answer:

n>- 5/14

Step-by-step explanat

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Prove tan(θ / 2) = sin θ / (1 + cos θ) for θ in quadrant 1 .

Leona [35]

We are asked to prove tan(θ / 2) = sin θ / (1 + cos θ). In this case, tan θ is equal to sin θ / cos θ. we can apply this to the equality. sin θ is equal to square root of (1-cos θ)/2 while cos θ is equal to <span>square root of (1 + cos θ)/2.
Hence, when we replace cos </span><span>θ with </span>square root of (1-cos θ)/2, we can prove already.

3 0

3 years ago

Read 2 more answers

Which expression is a factor of the quadratic 6x^2-11x-35?<br><br> 2x-7, 2x-5, 2x+7, 2x+5

vovangra [49]

1. Split the second term in 6x^2 - 11x - 35 into two terms

6x^2 + 10x - 21x - 35

2. Factor out common terms in the first two terms, then in the last two terms

2x(3x + 5) - 7(3x + 5)

3. Factor out the common term 3x + 5

(2x - 7)

8 0

3 years ago

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You had $23 to spend on three raffle tickets. After buying them you had $17.

Viktor [21]

Answer:

$2

Step-by-step explanation:

$23-3x=17$

$-3x=-6$

$x=2$

Therefore, each raffle ticket cost $2.

3 0

2 years ago

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jeanine Baker makes floral arrangements. She has 13 different cut flowers and plans to use 7 of them. How many different selecti

Ksju [112]

A total of 1,716 selections of the 7 flowers are possible.

Step-by-step explanation:

Step 1:

There are 13 flowers from which Jeanine Baker plans to use 7 of them.

To determine the number of selections that are possible we use combinations.

The formula for combinations is; $^{n} C_{r}=\frac{n !}{(n-r) ! r !}$ .

Step 2:

In the given formula, n is the total number of options and r is the number of options to be selected.

For this question, $n = 13$ and $r=7$ .

So $^{13} C_{7}=\frac{13 !}{(13-7) ! 7 !} = \frac{13 !}{(6) ! 7 !} = 1,716.$

So a total of 1,716 selections are possible.

3 0

3 years ago

Between which two numbers is √8 located on a number line?

Lady_Fox [76]

Answer:

√8 is between 2 and 3.

Step-by-step explanation:

♡ im sorry if its wrong ♡

5 0

2 years ago