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Ivenika [448]
2 years ago
7

How to simply -7+5x=5x+9

Mathematics
1 answer:
scoundrel [369]2 years ago
8 0

Dear, there is no solution to this equation

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Luisa buys a plane ticket that has an original price of $240. She uses a coupon code to get a 30% discount off of the original p
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Answer:

179.76$

Step-by-step explanation:

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callie spent 3/4 hour on a science report and 1/3 hour on a social studies report. What fraction of an hour longer did she spend
seraphim [82]
3/4+1/3=9/12+4/12=13/12  of an hour

13/12= 1 1/12
7 0
3 years ago
Assume 3 in every 1000 students at a local community college have quit due to serious health issues. An insurance company offers
worty [1.4K]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions here.

Below is the solution:

 <span>E(X) = 50*1 - 3*8000/10000 
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3 years ago
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Five balls are chosen from a bag of eight blue balls, six red balls, and five green balls. How many of these five-ball selection
Harlamova29_29 [7]

Using the combination formula, it is found that six of these five-ball selections contain exactly five red balls.

The order in which the balls are selected is not important(as balls A, B, C, D and E is the same outcome as balls B, A, C, D and E), hence the <em>combination formula</em> is used to solve this question. If the order was important, then the permutation formula would be used.

<h3>What is the combination formula?</h3>

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by:

C_{n,x} = \frac{n!}{x!(n-x)!}

In this problem, five red balls can be chosen from a set of six, hence the number of selections is the combination of 5 elements from a set of 6, that is calculated from the formula given above:

C_{6,5} = \frac{6!}{1!5!} = 6

Hence six of these five-ball selections contain exactly five red balls.

More can be learned about the combination formula at brainly.com/question/25821700

#SPJ1

4 0
2 years ago
WILL GIVE BRAINLIST Examine the diagram and information to answer the question. A circle in the coordinate plane has a radius of
DanielleElmas [232]

Answer:  To find the equation of the circle, it is not necessary to find the legs of the triangle first.  

The length of the legs (equal) is 3√2 or  4.243

Step-by-step explanation:

The equation for a circle is similar to the Pythagorean Theorem

       a²   +   b²     = c²

( x - h )² + ( y - k )² = r², where ( h, k ) is the center and r is the radius.

The a and b terms are  changed to allow insertion of  h and k to locate the center of the circle on a Cartesian plane.

You can get the information needed from

Given: radius =6 and  "a center at the point (3,2)"

Substitute  3 for h and  2 for k  and  6 for r

( x - 3 )² + ( y - 2 )² = 6²    This is the equation of the circle .

From the diagram, it appears that x-3 = y-2

So, in the equation, we can substitute 2(x²) = 36

x² = 36/2 .   x² = 18

√x² = √18 = √9(2)

x = 3√2   =4.2426

the length of the horizontal leg is 4.243

Substitute for x in to find  x+3  the coordinate (x,2)

the coordinate x, 2 is  (7.24, 2)

Substitute for y in to find  y+2, the length of the vertical leg is 4.243.

y + 2 = 6.243  

So the coordinate (x,y) on the circle is (7.24, 6.24)

This does not account for Step 1 and  Step 2 in the question, matching expressions or equations to the steps. I hope you will be able to sort that our with the information here.

7 0
3 years ago
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