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3 years ago

There are 40 dogs and 32 cats. Find the ratio of dogs to cats.

Mathematics

2 answers:

PtichkaEL [24]3 years ago

7 0

Answer:

5:4

Step-by-step explanation:

40:32

20:16

10:8

5:4

sergij07 [2.7K]3 years ago

4 0

Answer:

Step-by-step explanation:

5:4 For every 5 dogs there are 4 cats

40/8 =5

32/8= 4

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Solve -6 = b/2 a.12 b.3 c. -3 d. -12

Anon25 [30]

I hope this helps you

-6.2= b

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3 years ago

1/2 +3/4 simplest form ??

Feliz [49]

1/2 + 3/4

1/2 = 2/4 therefore

2/4 + 3/4 = 5/4

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hope this helps

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3 years ago

I cant figure this out!!!

Scrat [10]

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3 years ago

An airplane travels 6111 kilometers against the wind in 9 hours and 7911 kilometers with the wind in the same amount of time. Wh

natima [27]

Answer:

Speed of the plane in still air: $779\; {\rm km \cdot h^{-1}}$ .

Windspeed: $100\; {\rm km \cdot h^{-1}}$ .

Step-by-step explanation:

Assume that $x\; {\rm km \cdot h^{-1}}$ is the speed of the plane in still air, and that $y\; {\rm km \cdot h^{-1}}$ is the speed of the wind.

When the plane is travelling against wind, the ground speed of this plane (speed of the plane relative to the ground) would be $(x - y)\; {\rm km \cdot h^{-1}}$ .
When this plane is travelling in the same direction as the wind, the ground speed of this plane would be $(x + y)\; {\rm km \cdot h^{-1}}$ .

The question states that when going against the wind ( $v = (x - y)\; {\rm km \cdot h^{-1}}$ ,) the plane travels $6111\; {\rm km}$ in $9\; {\rm h}$ . Hence, $9\, (x - y) = 6111$ .

Similarly, since the plane travels $7911\; {\rm km}$ in $9\; {\rm h}$ when travelling in the same direction as the wind ( $v = (x + y)\; {\rm km \cdot h^{-1}}$ ,) $9\, (x + y) = 7911$ .

Add the two equations to eliminate $y$ . Subtract the second equation from the first to eliminate $x$ . Solve this system of equations for $x$ and $y$ : $x = 779$ and $y = 100$ .

Hence, the speed of this plane in still air would be $779\; {\rm km \cdot h^{-1}}$ , whereas the speed of the wind would be $100\; {\rm km \cdot h^{-1}}$ .

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1 year ago

One serving of muffins takes 2/3 cup of muffin mix. how many cups of muffin mix would it take to make 12 servings of muffins

Leno4ka [110]

1 serving = 2/3 cup

12 serving = 2/3 x 12 = 8 cups

Answer: 12 servings of muffin would need 8 cups of the muffin mix.

8 0

3 years ago