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N76 [4]
3 years ago
9

Please help ASAP I need this question answered right now please help if you can thanks to anyone that does

Mathematics
1 answer:
Vladimir79 [104]3 years ago
7 0

Answer:

easy letter c is the answee

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WILL GIVE BRAINLIEST
givi [52]

Answer:

<em>a) Since the income is more than the cost, she makes a profit.</em>

<em>b) To make profits, she must sell at least 17 necklaces</em>

Step-by-step explanation:

<u>Inequalities</u>

The costs of selling jewelry at a fair are $135 to rent a booth and $4 for each necklace. The cost function is:

C(n) = 135 + 4n

Where n is the number of necklaces she sells at the fair. She sells each necklace at $12 each, thus the income function is:

R(n) = 12n

a) If she sells n=17 necklaces, it will cost:

C(17) = 135 + 4*17 = 203

And the income is:

R(17) = 12*17= 204

Since the income is more than the cost, she makes a profit.

b) To make a profit R(n) > C(n), thus:

12n > 135 + 4n

Subtracting 4n:

8n > 135

n > 135/8

n > 16.875

Thus, to make profits, she must sell at least 17 necklaces

7 0
3 years ago
Andy scores 48 out of 75 in a science test and thinks he has done better than Brandon, who has scored 65%.
IrinaK [193]
No. Brandon has done better than Andy because Andy scored a 64%, when Brandon scored a 65%
7 0
3 years ago
Read 2 more answers
Below is the graph of a trigonometric function. It intersects its midline at (3.7, 5) and again at (5.9, 5).
Flauer [41]

Answer:

4.4

Step-by-step explanation:

The parent function of this graph is:  y = sin(x)

The sine function is periodic, meaning it repeats forever.

Standard form of a sine function:

\sf f(x)= A \sin(B(x+C))+D

where:

  • A = amplitude (height from the mid-line to the peak)
  • 2π/B = period (horizontal distance between consecutive peaks)
  • C = phase shift (horizontal shift - positive is to the left)
  • D = vertical shift

The <u>period</u> is the horizontal distance between consecutive peaks, which is the same as <u>twice the horizontal distance between the intersection of the curve and the mid-line</u>.

Given consecutive points of intersection between the curve and the mid-line:

  • (3.7, 5)
  • (5.9, 5)

Therefore, the horizontal distance between these two points is:

5.9 - 3.7 = 2.2

⇒ Period = 2.2 × 2 = 4.4

-------------------------------------------------------------------------------------

To create the equation for the function.

From inspection of the given graph:

  • Amplitude (A) = 6
  • Mid-line is y = 5
  • Vertical shift (D) = +5

Period = 2π/B = 4.4  ⇒  B = 5π/11

Phase Shift (C) = -3.7

Substituting the values into the standard form:

\implies \sf f(x)= 6 \sin\left(\dfrac{5}{11}\pi(x-3.7)\right)+5

\implies \sf f(x)= 6 \sin\left(\dfrac{5}{11} \pi x-\dfrac{37}{22}\pi \right)+5

8 0
2 years ago
Please help! I need your help! If you help you get points. If you get points your smart.
irga5000 [103]

<em>D</em><em>:</em><em> </em><em>She</em><em> </em><em>needs</em><em> </em><em>to</em><em> </em><em>keep</em><em> </em><em>going</em><em> </em><em>to</em><em> </em><em>find</em><em> </em><em>more</em><em> </em><em>digits</em><em>.</em>

5 0
3 years ago
Can anyone help me with this and let me know how to enter this on my calculator, please? It doesn’t seem to give me the correct
Drupady [299]

Answer:

0.036

Step-by-step explanation:

<em>The </em><em>diameter</em><em> </em><em>is </em><em>0</em><em>.</em><em>6</em><em>/</em><em>2</em><em>,</em><em> </em><em>which </em><em>is </em><em>0</em><em>.</em><em>3</em><em> </em><em>and </em><em>your </em><em>radius </em><em>is </em><em>0</em><em>.</em><em>3</em><em>.</em>

<em>on </em><em>your </em><em>calculator</em><em> </em><em>,</em><em> </em><em>you'll</em><em> </em><em>press </em><em>4</em><em>/</em><em>3</em><em> </em><em>×</em><em> </em><em>0</em><em>.</em><em>3</em><em>^</em><em>3</em>

<em>which </em><em>is </em><em>equals </em><em>to </em><em>0</em><em>.</em><em>0</em><em>3</em><em>6</em><em>π</em>

5 0
2 years ago
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