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Margarita [4]
2 years ago
10

At a pet store, Davina counted 12 parrots out of 20 birds. Which is an equivalent ratio of parrots to birds at the pet store?

Mathematics
2 answers:
kkurt [141]2 years ago
8 0

Answer

Hope it helps u

Step-by-step explanation:

Travka [436]2 years ago
4 0
D. 3 to 5 This is because if you simplify the ratio by dividing each number in the ratio by 4, therefore for every group of 5 birds 3 of them are parrots
hope this helps!:)
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What is the form of the Difference of Cubes identity?
scoray [572]

Solution:

The difference of cubes identity is

if a and b are any two real numbers, then difference of their cubes , when taken individually:

→a³ - b³= (a-b)(a² + a b + b²)→→→Option (D) is true option.

I will show you , how this identity is valid.

Taking R H S

(a-b)(a² +b²+ab)

= a (a² +b²+ab)-b(a² +b²+ab)

= a³ + a b² +a²b -b a² -b³ -ab²

Cancelling  like terms , we get

= a³ - b³

= L H S



4 0
3 years ago
Read 2 more answers
Lin has a scale model of a modern train. The model is created at a scale of 1 to 48.
satela [25.4K]

Answer:A

1/48 = 102/ ???

1 × 102 = 102

48 × 102 = 4896 mm, or 4.896 m

B

1 inch = 25.4 mm

1/48 = 1 and one fourth in/54 in

54 ÷ 1 1/4 = 43

43 ≠ 48

The train can't drive on the tracks.

Step-by-step explanation:

3 0
3 years ago
Mrs. habib has 46.25 feet of ribbon for a border around a bulletin board for her classroom.The board is 3.75 feet tall and 8.3 f
Kisachek [45]
46.25 - (2(3.75) + 2(8.3)) = 22.15 feet leftover. 
4 0
3 years ago
Find the maximum and the minimum value of the following objective​ function, and the value of x and y at which they occur. The f
kumpel [21]

Answer:

The maximum value of the objective function is 112 when x = 0 and y = 7.

Step-by-step explanation:

Given the constraints:

5x+3y≤37, 3x+5y≤35, x≥0, y≥0

Plotting the above constraints using geogebra online graphing tool, we get the solution to the constraints as:

A(0, 7), B(7.4, 0), C(5, 4) and D(0, 0)

The objective function is given as E =2x+16y, therefore:

At point A(0, 7):  E = 2(0) + 16(7) = 112

At point B(7.4, 0): E = 2(7.4) + 16(0) = 14.8

At point C(5, 4): E = 2(5) + 16(4) = 74

At point D(0, 0): E = 2(0) + 16(0) = 0

Therefore the maximum value of the objective function is at A(0, 7).

The maximum value of the objective function is 112 when x = 0 and y = 7.

8 0
3 years ago
Originally, each face of the pyramid shown to the right was a triangle with the
Bas_tet [7]

Answer:

im not sure

Step-by-step explanation:

7 0
2 years ago
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