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Dmitrij [34]
3 years ago
8

Pleaseeee helppp meee!!! (zoom in to see more clear)!!!

Mathematics
2 answers:
Sliva [168]3 years ago
6 0
Hi!! so here i’ll explain: for the first one, a times 3 is 3a. so you have 3a=-30. then you divide both sides by 3 and you have a=-10!! do the same for the rest, hope this helps
Novosadov [1.4K]3 years ago
6 0

Answer:

1. a=-10

2. b=5

3. c=-1068

4. d=-1000

Step-by-step explanation:

You just have to make sure both sides are equal.

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How to factor 32x^2-2y^2
sergey [27]
The greatest common factor of 32x^-2y^2 is 2 (there is o common variable and both 32 and 2 divide by 2)
Thus, divide each term by 2
32x^2/2 = 16x^2
-2y^2 = -1y^2 = -y^2
Thus, your answer is
2(16x^2-y^2)
3 0
3 years ago
{Whole numbers up to 50 divisible by 5}
yuradex [85]

Answer:

5,10,15,20,25,30,35,40,45,50

Step-by-step explanation:

3 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
What is the unit rate of 72 ounces in 6 stakes
Licemer1 [7]
Each stake has 12 onces
6 0
3 years ago
What number is ten thousand less than 842719
almond37 [142]
842,719-10,00= 832,719
4 0
3 years ago
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