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soldi70 [24.7K]
3 years ago
5

Can someone please do my math edgnuity for me?

Mathematics
1 answer:
Fudgin [204]3 years ago
3 0

Answer: i will just let me know what

Step-by-step explanation:

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2x-11=7x+9<br>how to solve
VashaNatasha [74]
2x-11=7x+9
i would bring the -11 over to the 9. change it to 9+11. the equation is now

2x=7x+9+11
2x=7x+20

then bring the 7x over chaning it to -7x so then it is

2x-7x=20
-5x=20 

then divide by -5

-5x/-5=20/-5

answer is
x=-4
8 0
3 years ago
HELP WILL GIVE BRAINLY PLZ DONT SKIP
Ulleksa [173]

Answer:

C. 0.305

Step-by-step explanation:

100 - 39 = 61

.5 x .61 = .305

30.5%

6 0
3 years ago
Solve the equation in the complex number system.
tatiyna
To get rid of x^{3}, you have to take the third root of both sides:
\sqrt[3]{x^{3}} = \sqrt[3]{1}
But that won't help you with understanding the problem. It is better to write x^{3}-1 as a product of 2 polynomials:
x^{3}-1 = (x-1)\cdot (x^{2} +x +1)
From this we know, that x-1 = 0 => x = 1 is the solution. Another solutions (complex roots) are the roots of quadratic equation.
3 0
3 years ago
Read 2 more answers
If you have a rectangular rug whose perimeter is 26 feet and the length is three feet more than the width, what are the dimensio
Troyanec [42]
You have the lenght that is 3w, so lenght is the third part and the width the first part.

You assign the value 3 to l and the value 1 to w

Of course, you have to do the "semiperimeter" or you'll get double sides.

Semiperimeter = 26/2 = 13 ft.

You sum the parts

3+1 = 4

13/4 = 3,25 ft. (1 part)

3,25*1 = 3,25 ft. (Widht)

3,25*3 = 9,75 ft. (Lenght)

You can solve it even as an equation

You put x the lenght, the width is 3x

x+3x = 13

4x = 13

x = 3,25

w = 3*3,25 = 9,75
3 0
3 years ago
Solve for x for 2|x+3|-17&lt;-5
zzz [600]
=>2|x+3|<-5+17
=>2|x+3|<12
=>|x+3|<12/2
=>x+3<12/2 or x+3>-12/2
=>x<6-3 or x>-6-3
=>x<3 or x>-9
Thus
x belongs the the interval [-9,3]
8 0
3 years ago
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