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VARVARA [1.3K]
3 years ago
6

I NEED HELP ASAP!!!!!

Mathematics
2 answers:
Anna007 [38]3 years ago
7 0
Hopefully this can help

marshall27 [118]3 years ago
4 0

Answer:

15 weeks

Step-by-step explanation:

You divide $174 to $12 to get the number of weeks:

174/12 = 14.5

Because we are talking about how many weeks, we round this number to 15. Hope this works :)

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Find m\angle Am∠Am, angle, A.<br> Round to the nearest degree.
Oxana [17]

Answer:

m∠A = 106°

Step-by-step explanation:

All three sides of the triangle are given in the question.

To find the measure of included angle A between two sides we will apply cosine formula,

BC²= AB² + AC² - 2(AB)(AC)cosA

(13)² = (10)² + (6)² - 2(10)(6)cosA

169 = 100 + 36 - 120cosA

cosA = \frac{-169+136}{120}

cosA = -0.275

A = \text{cos}^{-1}(-0.275)

A = 105.96°

A ≈ 106°

Therefore, m∠A = 106° will be the answer.

3 0
3 years ago
Find the x-coordinates where f ' (x)=0 for f(x)=2x+sin(4x) in the interval [0, pi]
MAVERICK [17]

Answer:

The x-coordinate is \dfrac{\pi}{6}[/tex].

Step-by-step explanation:

We are given a function f(x) as:

f(x)=2x+\sin (4x)

Now on differentiating both side with respect to x we get that:

f'(x)=2+4 \cos (4x)

When f'(x)=0

this means that 2+4\cos (4x)=0\\\\4\cos (4x)=-2\\\\\cos(4x)=\dfrac{-1}{2}

Hence, cosine function takes the negative value in second and third quadrant but we have to only find the value in the interval [0,\pi].

also we know that \cos (\dfrac{2\pi}{3})=\dfrac{-1}{2}----(1) (which lie in the second quadrant)

so on comparing our equation with equation (1) we obtain:

4x=\dfrac{2\pi}{3}\\\\x=\dfrac{\pi}{6}

Hence, the x-coordinates where f'(x)=0 for f(x)=2x+\sin(4x) is \dfrac{\pi}{6}.

5 0
3 years ago
Simplify 4x + 5×-5y+3y
uysha [10]
4x+5x-5y+3y&#10; \\ 9x-2y
6 0
3 years ago
Compare -8 and 3. Which statement is not true?
siniylev [52]

Answer:

B

Step-by-step explanation:

it is the opposite of A, which is true, as |-8| = 8

4 0
2 years ago
Brainliest to the correct answer :)
frozen [14]

Answer:

Assume that the formula is true for the (k+1)term

Step-by-step explanation:

I learned this in class a couple weeks ago in intermediate algebra

7 0
2 years ago
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