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a_sh-v [17]
3 years ago
8

Emily has saved $74 toward a new sound system that costs $149. She plans on saving an additional $15 each week. How many weeks w

ill it take Emily to save enough money to buy the sound system?
Mathematics
1 answer:
KatRina [158]3 years ago
6 0
It'll take Emily five weeks to buy the sound system.
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Isosceles triangle LMN is graphed with vertices L(0, 1), M(3, 5), and N(6,1). What is the slope of side LN?
Lesechka [4]
You would have to do the change in y over the change in x
1. 1-1/6-0
2. 0/6 and any time you divide zero by a number the answer is zero.
4 0
3 years ago
Read 2 more answers
To input your angle measures in degrees, use the functions sind, cosd and tand, instead of sin, cos and tan. Zach stands at the
kramer

Answer:

  about 2949 feet

Step-by-step explanation:

The geometry of the situation can be modeled by a right triangle. The height of the cliff can be taken to be the side opposite the given angle, and the distance to the coyote will be the side adjacent to the given angle. The relation between these values is the trig function ...

  Tan = Opposite/Adjacent

__

<h3>setup</h3>

Filling in the known values, we have ...

  tan(6°) = (310 ft)/(distance to coyote)

<h3>solution</h3>

Multiplying by (distance to coyote)/tan(6°) gives ...

  distance to coyote = (310 ft)/tan(6°) ≈ 310/0.105104 ft

  distance to coyote ≈ 2949.453 ft

The coyote is about 2949 feet from the base of the cliff.

6 0
2 years ago
A parabola y=1/2x^2-4x+21 can you help me find the vertex form of this parabola please and thank you :)
ale4655 [162]
Ok 
First factor out the first 2 terms as follows:-

y  = 1/2(x^2 - 8x) + 21

Now complete the square on x^2 - 8x:-

y = 1/2[ (x - 4)^2 - 16] + 21

y = 1/2(x - 4)^2 - 8 + 21

y = 1/2(x - 4)^2 + 13   Answer


3 0
3 years ago
PLEASE HELP!!!! CUMULATIVE EXAM!!!! 50 POINTS
timurjin [86]

Answer:

10

Step-by-step explanation:

My guy just plug in the number for x it's not that hard

8 0
2 years ago
Suppose equation A was rewritten so that the y-intercept became −4. How does the solution to the system change?
katrin [286]

Answer:

i need this answer also

Step-by-step explanation:

8 0
3 years ago
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