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Dmitrij [34]
3 years ago
5

10-5m=45 gdhehhehdhdh ignore the letters at the end

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
6 0
Subtract 10 from each side to get -5m=35
Divide each side by -5 to get m=-7
So m=-7
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What is the conjugate of (x2-6)?
Mama L [17]

Answer:

2(x - 3)

Step-by-step explanation:

3 0
2 years ago
Please help asap :( This is my "Final grade" My Teacher wants a full explanation included ! on how i got the answer. )
Mrac [35]

If the whole diameter of sphere is 6 inch(means radius is 3 inch) & thickness of material is 1 inch, so the radius of the hollow part should be 2 inch (3-1=2)

The total volume of the ball will be;

= Total volume - Volume of hollow part

= 4/3πr³ - 4/3πr³

= 4/3 × 3.14 × (3)³ - 4/3×3.14×(2)³

= 4 × 3.14 × 9 - 4/3 × 3.14 × 8

= 113.04 - 33.52

= 79.52

If the density of the material is 3.25 g/in3, then the density of 79.52 inch³ should be;

= 79.52 × 3.25

= 258.44 g

Now, if there are 8 spheres in one box, the weight if box will be;

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= 2,067.52 g

_____________________________

Ahh! Finally done with this, if you have any doubt just do ask me :)

3 0
3 years ago
The average of 4, 9, 16, 25 and x is 2x. What is the value of x? A) 4 B)6 A)9 C)9 D)12
Elodia [21]
The average of 4, 9, 16, 25 and x is 2x means that;
(4+9+16+25+x)/5=2x
Multiply both side by 5
5(54+x)/5=2x(5)
54+x=10x
Subtract x to both side
54+x-x=10x-x
54=9x
Divided 9 to both side
54/9=9x/9
x=6
Check:
Substitute x with 6
(4+9+16+25+x)/5=2x
(4+9+16+25+6)/5=2(6)
60/5=12
12=12; so x=6 which marks B as the correct answer. Have a nice day!
5 0
2 years ago
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Oxana [17]

Answer:

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Step-by-step explanation:

if they drove x miles in the city and y miles on the highway then you know that

x + y = 280

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4 0
2 years ago
What is the equation of the line?
VikaD [51]

The equation is "x=0", because the x intercepts at the x axis with no y-intercept.

6 0
2 years ago
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