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3 years ago

Pippa has 18 puppies, 12 of the puppies have two ears. what is the percent of the puppies have two ears?

Mathematics

2 answers:

ELEN [110]3 years ago

6 0

The percent is 66%
12/18 = 2/3 or 66%

SVEN [57.7K]3 years ago

3 0

Answer:

66.666% or 66.7% if rounded to the nearest one decimal place

Step-by-step explanation:

12÷18 × 100

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Find the volume of the largest rectangular box in the first octant with three faces in the coordinate planes and one vertex in t

Tresset [83]

Answer: The volume of largest rectangular box is 4.5 units.

Step-by-step explanation:

Since we have given that

Volume = $xyz$

with subject to $x+2y+3z=9$

So, let $z=\dfrac{9-x-2y}{3}$

So, Volume becomes,

$V=xyz\\\\V=xy(\dfrac{9-x-2y}{3})\\\\V=\dfrac{9xy-x^2y-2xy^2}{3}$

Partially derivative wrt x and y we get that

$9-2x-2y=0\implies 2x+2y=9\\\\and\\\\9-x-4y=0\implies x+4y=9$

By solving these two equations, we get that

$x=3,y=\dfrac{3}{2}$

So, $z=\dfrac{9-x-2y}{3}=\dfrac{9-3-3}{3}=\dfrac{3}{3}=1$

So, Volume of largest rectangular box would be

$xyz=3\times \dfrac{3}{2}\times 1=\dfrac{9}{2}=4.5$

Hence, the volume of largest rectangular box is 4.5 units.

4 0

3 years ago

The length of arc PR is 12 centimeters and its measure is 60° on circle O.

Leto [7]

Answer:

originally I had planned on getting the car today and it to

3 0

2 years ago

I need health drink is 130% of the recommended daily allowance RDA for a certain vitamin the RDA for this vitamin is 45 MG. How

Tanzania [10]

From this question I take it that you need to know what is 130% of 45 mg. 130% of 45 is equal to 1.3x45, which is 58.3. So, your answer is 58.3 mg of the vitamin.

5 0

3 years ago

Read 2 more answers

Simplify √5 • √8. A.)2√10 B.)4√10 C.)√40 D.)√13

tresset_1 [31]

Answer:

Simplify the radical by breaking the radical up into a product of known factors.

2 √ 10

Step-by-step explanation:

5 0

3 years ago

10. What is an expression for the perimeter of the triangle?

Whitepunk [10]

Answer:

See explanation, and comment for more details!

Step-by-step explanation:

10. The perimeter of any shape is the sum of the length of the sides, which means that the perimeter of this triangle is x+y+z.

11. Since this is a right triangle, the two legs form the height and base. The area of this triangle is therefore x*y/2.

12.

a. x=3, y=4, z=5

b. $x=\sqrt{2}, y=\sqrt{2}, z=2$

c. $x= \sqrt{3}, y=2, z=\sqrt{7}$

Hope this helps!

4 0

3 years ago