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raketka [301]
3 years ago
6

31[tex]\sqrt[n]{x} \sqrt[n]{x}" alt="c-15=31[tex]\sqrt[n]{x} \sqrt[n]{x}" align="absmiddle" class="latex-formula">
Mathematics
2 answers:
Vinil7 [7]3 years ago
6 0
The Answer should be C=31
ExtremeBDS [4]3 years ago
3 0

Answer:

C = 31

Step-by-step explanation:

Solve for c by simplifying both sides of the equation, then isolating the variable.

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Draw the segment PQ with endpoints P(-2, -1) and Q(2,4) on the coordinate plane. Then find the length and midpoint of PQ.
TiliK225 [7]

The graph of the line segment PQ is attached. To find the length, we have to use distance formula which is

d = \sqrt{ (x_{2} -x_{1} )^2 + (y_{2} - y_{1} )^2  }

PQ = \sqrt{ (2-(-2))^2 + (4- (-1))^2 } = \sqrt{ (2+2)^2 + (4+1)^2 }

PQ = \sqrt{16+25} = \sqrt{41}

To find the midpoint,we have to use the formula

( \frac{x_{1}+ x_{2} }{2} ,\frac{y_{1}+ y_{2} }{2} ) = (\frac{-2+2}{2} , \frac{-1+4}{2} )

= ( \frac{0}{2} , \frac{3}{2} ) = (0 , \frac{3}{2} )

4 0
4 years ago
Write an inequality to represent the graph
IrinaK [193]

Answer:

B

Using gradient of two points and equation of a straight line graph.

7 0
3 years ago
The circle is 5.5yd what is the circumference of half the circle
disa [49]

Answer:

You did not include enough information.  What part of the circle is 5.5 yards?  The diameter?  radius?  

Step-by-step explanation:

if 5.5 is radius then the formula is 2 x pi x 5.5  

if 5.5 is diameter then the formula is pi x 5.5

6 0
3 years ago
1. The total number of seats in an auditorium is modeled by f(x) = 2x2 – 6x, where x represents the number of rows. How many row
irakobra [83]

Answer:

Jose's solution is not correct, the auditorium has 16 rows

Step-by-step explanation:

we have

f(x)=2x^{2} -6x

where

f(x)------> is the total number of seats in an auditorium

x----> represents the number of rows

How many rows are there in the auditorium if it has a total of 416 seats?

Find the value of x for f(x)=416 seats

substitute the value of f(x) in the equation

416=2x^{2} -6x

2x^{2} -6x-416=0

Using a graphing calculator

The values of x are x=-13, x=16

The solution is

x=16 rows because the number of rows can not be a negative number

8 0
3 years ago
The coordinates of the vertices of triangle ABC are given in the table. A B C (4,2) (6,7) (13,1) Triangle ABC is reflected acros
IceJOKER [234]
A':(-2,-4)
B':(-7,-6)
C':(-1,-13)

I've done the test before
4 0
3 years ago
Read 2 more answers
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