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Eduardwww [97]
2 years ago
12

Help and please make sure it’s right there is only 6 questions :(

Mathematics
2 answers:
sdas [7]2 years ago
8 0
The answer would be -5
olya-2409 [2.1K]2 years ago
6 0

Answer:

answer is -5

Step-by-step explanation:

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If MN = 3 and MN = AB, then AB = 3. This is an illustration of which property?
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An ice cream shop sells cones at the volume of 94.2 cubic meters they want to double the volume of the cones without changing th
marin [14]
The volume of a cone is V=\pi r^2\frac{h}3 where r = radius and h = height. If the cone has a volume of 94.2 cm³ (I assume you didn't mean m³ because that would be ridiculously huge) and a height of 10 cm, we can plug these values into the formula to find the radius. Don't do any rounding.

94.2 = \pi r^2\frac{10}3 \\ 282.6 = \pi r^2 *10 \\ 28.26 = \pi r^2 \\ 8.99543738355 = r^2 \\ 2.99923946752=r

Now we know that's going to be the radius of our <em>new </em>cone as well since we're keeping the diameter the same. The volume is going to be double 94.2 which is 188.4. Let's solve for the height.

188.4 = \pi (2.99923946752)^2\frac{h}3 \\ 188.4 = \pi(8.99543738355)\frac{h}3 \\ 188.4 = 28.26\frac{h}3 \\ 565.2 = 28.26h \\\\ \boxed{h = 20, r\approx 3}
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3 years ago
Square measures 8 m on each side if each side is written by 1/4 of eight originally the premiere of the new square will be blank
Digiron [165]

Step-by-step explanation:

so, if I understand this correctly, the original square had a side length of 8 m.

now we transform this square into one with side length 1/4×8 = 8/4 = 2 m.

and the questions are what are the perimeter and the area of that new (smaller) square ?

the perimeter of a square is

4× side length = 4×2 = 8 m

the area of a square is

side length ² = 2² = 4 m²

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What is X<br><br> 1+X/2=3x+4 over 9
Fynjy0 [20]
X= 2 over 9 or in decimal form 0.2222....
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