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Nataliya [291]
3 years ago
11

Question 5 (1 point)

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
7 0

Answer:

C. 12/15 is not equivalent to the rest

Step-by-step explanation:

12/15 simplifies to 4/5, whereas all the others simplify to 2/3

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Factor completely: 80x2 – 125
Paladinen [302]

Answer:

5(4x-5)(4x+5)

Step-by-step explanation:

80x^2-125= \\\\5(16x^2-25)= \\\\5(4x-5)(4x+5)

Hope this helps!

6 0
3 years ago
Read 2 more answers
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;

= 258.44 × 8

= 2,067.52 g

_____________________________

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

3 0
3 years ago
Which variable expression represents the phrase “the product of a number and 6”?
taurus [48]
C: 6n
Product means multiplication
5 0
3 years ago
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Please help I need this
ladessa [460]

Answer:

4+2 i

Step-by-step explanation:

i=\sqrt{-1}

4+\sqrt{-4} =4+\sqrt{-1}  * \sqrt{4} =4+i2

6 0
2 years ago
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What is the answer to this question?
Degger [83]

Answer:

y = -\frac{19}{9}x + \frac{5}{3}

Step-by-step explanation:

Given:

19x + 9y = 15

Required:

Rewrite in slope-intercept form, y = mx + b

SOLUTION:

19x + 9y = 15

Subtract 19x from both sides

9y = -19x + 15

Divide both sides by 9

y = -19x/9 + 15/9

y = -\frac{19}{9}x + \frac{5}{3}

5 0
3 years ago
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