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neonofarm [45]
3 years ago
9

Find an exact solution for √5-1/x = √5/2 Then find the approximate solution to the nearest tenth.

Mathematics
1 answer:
viktelen [127]3 years ago
3 0

Step-by-step explanation:

\frac{ \sqrt{5 - 1 } }{x}  =  \frac{ \sqrt{5} }{2}  \\  \\ x \sqrt{5 }  = 2 \sqrt{5}  - 2 \\ x = 2 -  \frac{2 \sqrt{5} }{5}

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There are 180 days in school year and you get 3 assignments per day. How many total assignments do you get in 1 school year
m_a_m_a [10]

Answer:

260 assignments in a school year

Step by Step:

There are 180 days in a school year and you do 3 assignments per day you multiple 180 and 3

6 0
3 years ago
Are these figures are similar? If so, what is the scale factor?
tester [92]

Answer:

Yes, the scale factor is 0.6 repeating, or 0.7.

Step-by-step explanation:

You find the scale factor by dividing the smaller sides by the corresponding larger ones.

12/18 = 0.6 repeating

14/21 = 0.6 repeating

16/24 = 0.6 repeating

These triangles could be similar by SSS or SAS or ASA I think since congruent angles are shown in both triangles as well.

8 0
3 years ago
Point Q is the image of Q (-5,1) under a translation by 6 units to the right and 2 units down.
Alex787 [66]

Answer:

(1,-1)

Step-by-step explanation:

The graph is being shifted 6 units to the right which affects the x-value and it is also being affected 2 units down which affects the y-value.

6 0
3 years ago
The measure of an angle is 6 less than 5 times its complement. what is the measure of the complement
TiliK225 [7]
Complimentary angles, when added, = 90 degrees
so if one angle is x, then its compliment is 90 - x

x = 5(90 - x) - 6
x = 450 - 5x - 6
x + 5x = 450 - 6
6x = 444
x = 444/6
x = 74

and its compliment is : 90 - x.....90 - 74 = 16 <==
6 0
3 years ago
Read 2 more answers
Points A, B, and C are collinear. Point B is between A and C. Find the length indicated. AB= 5x-15, BC=3x-5, and AC=28. Find AB
katrin2010 [14]

Answer: AB is 15

Step-by-step explanation: First, you need to draw a picture and label the parts of the line: AB=5x-15; BC= 3x-5; AC =28. Because of the segment addition postulate, you set the equation to be 5x-15+3x-5=28. Then you solve:

5x-15+3x-5=28

Add like terms:

8x-20=28

Add 20 to both sides

8x=48

Divide by 8

x=6

Now, you need to find the measure of AB, so you plug the 6 into the x variable for 5x-15

5(6)-15

30-15

AB=15

4 0
3 years ago
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