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Gwar [14]
3 years ago
15

Find the original price if the sale price of the cell phone is $205.50 (discount is 30%)

Mathematics
2 answers:
Nat2105 [25]3 years ago
3 0

Answer:

267.15Step one is to multiply 205.5 by 30% to get 61.65.

Then add 61.65 by 205.5 to get 267.15

Step-by-step explanation:

HAVE A GOOD DAY

lord [1]3 years ago
3 0

Answer:

267.15

Step-by-step explanation:

first multiply 205.50 by 30% to get 61.65 then add the two together to get 267.15 as the original price.

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If the smallest angle of a triangle is 20° and it is included between sides of 4 and 7, then (to the nearest tenth) the smallest
lawyer [7]

Answer:

3.5

Step-by-step explanation:

The smallest side of a triangle is formed by the smallest angle in the triangle.

To find the side opposite (formed by) the 20 degree angle, we can use the Law of Cosines. The Law of Cosines states that for any triangle, c^2=a^2+b^2-ab\cos \gamma, where a, b, and c are the three sides of the triangle and \gamma is the angle opposite to c.

Let c be the side opposite to the 20 degree angle.

Assign variables:

  • a\implies 4
  • b\implies 7
  • \gamma \implies 20^{\circ}

Substituting these variables, we get:

c^2=4^2+7^2-2(4)(7)\cos 20^{\circ},\\c^2=16+49-56\cos 20^{\circ},\\c^2=12.377213236,\\c=\sqrt{12.377213236}=3.51812638147\approx \boxed{3.5}

Therefore, the shortest side of this triangle is 3.5.

5 0
3 years ago
ANSWER PLEASEEE!!!20 points for the answer
Delvig [45]

Answer:

A

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Find the points of intersection of the following function graphs: y=20x−70 and y=70x+30
LekaFEV [45]

Answer:

(-2,-110)

Step-by-step explanation:

First solve for x

20x−70=70x+30

x= -2

Now substitute x for -2

y=20x−70

y=20(-2)-70

y = -110

4 0
3 years ago
This is for 16 points<br> Let me know when you got it
Sladkaya [172]
Yeah B it’s B I’m pretty sure
4 0
2 years ago
A city has designed a survey to collect information about residents’ opinions about city services. Which of the following descri
Maslowich

Bias refers to scenarios which might affect the ability of a statistical experiment to generalize, hence affecting the validity of research. Non-response bias occurs when majority of subjects <em>fail to respond during a survey</em>. Hence, a likely scenario is ; <em>surveys were mailed to 500 people, and 200 of the surveys were completed and </em><em>returned</em><em>.</em><em> </em>

  • Non - response bias has to do with a situation whereby a large percentage of the selected samples from a population do not respond or fail to participate in the experiment or survey.

  • If 200 surveys were returned, then 300 of the sample participants did not respond. Which means <em>60% of the sample are non-responsive</em>.

Therefore, a scenario where <em>surveys were mailed to 500 people, and 200 of the surveys were completed and </em><em>returned</em><em> </em>exemplifies a non - response bias.

Learn more :brainly.com/question/18405415

6 0
3 years ago
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