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IrinaVladis [17]
2 years ago
6

Help idk how to do this

Mathematics
1 answer:
ki77a [65]2 years ago
3 0

Answer:

√30

Step-by-step explanation:

We can find the value of x by using Euclidean theorem

x^2 = 3 × 10

if x^ = 30 then x = √30

You might be interested in
This is the first step in which construction?
slavikrds [6]

Answer:

Option A is correct.

Step-by-step explanation:

The first step in the construction of a square inscribed in a circle is to draw a diameter of the circle.

Then we have to draw perpendicular bisector of the diameter using a compass.

Therefore, the perpendicular bisector will be another diameter of the circle and both the diameters will meet at the center of the circle.

Now, join the points with straight lines in order where the two diameters meet the circle. And finally, we will get a square inscribed in the circle.

Hence, option A is correct. (Answer)

5 0
3 years ago
This Venn diagram shows sports played by 10 students.
labwork [276]

Answer:

B \frac{7}{10}

Step-by-step explanation:

Event A = 2

Event B = 3

Ian and Ella play both so that would add 2 more people.

Total who play soccer or basketball = 7

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

Total amount of people who took the survey = 10

= \frac{7}{10}

7 0
3 years ago
Multi step equations 4x+6+3=17
Kobotan [32]
First, you add like terms.  In this case, the like terms are 6 and 3.

4x + 6 + 3 = 17
4x + 9 = 17

Then, subtract 9 on each side:

4x + 9 - 9 = 17 - 9
4x = 8

Then divide by 4 on each side to get the x by itself:

4x/4 = 8/4
x = 2
8 0
3 years ago
Read 2 more answers
Plz help question below
bearhunter [10]
Plan A costs a total of $95 since it says $95 for unlimited talk and text.

Plan B:
(.10 x 800) + (.05 x 1000)
The (.10 x 800) represents 10 cents per talk minute for 800 minutes.
The (.05 x 1000) represents 5 cents per text message for 1000 text messages.
Solve:
.10 x 800 = 80
.05 x 1000 = 50
80 + 50 = 130
This means Plan B will cost him $130 under these conditions.

Plan C:
20 + ((.05 x 800)+(.05 x 1000))
The 20 + represents a flat rate of $20 per month.
The (.05 x 800) represents 5 cents per call minute.
The (.05 x 1000) represents 5 cents per text.
Solve:
.05 x 800 = 40
.05 x 1000 = 50
20 + 40 + 50 = 110
This means Plan C will cost him $110 under these conditions.

Plan D:
45 + (.10(800 - 500))
The 45 + represents a flat monthly rate of $45.
The (800 - 500) represents how many minutes he has to pay for with the 500 free.
The .10 is the cost per extra minute.
Solve:
800 - 500 = 300
.10 x 300 = 30
45 + 30 = 75
This means Plan D will cost him $75 under these conditions.

In short:
Plan A- $95
Plan B- $130
Plan C- $110
Plan D- $75 
The least expensive among these is Plan D, which only costs $75 per month.
5 0
3 years ago
Please help these are not easy for me
Pavel [41]

Answer:

12a^2 - 9a + 5

Step-by-step explanation:

(5a^2 - 6a - 4) - (-7a^2 + 3a - 9)

5a^2 + 7a^2 = 12a^2

-6a - 3a = -9a

-4 + 9 = 5

12a^2 - 9a + 5

7 0
3 years ago
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