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kati45 [8]
3 years ago
14

What is the ratio of 8penguins and 4 whales

Mathematics
1 answer:
morpeh [17]3 years ago
4 0
A ratio is a scale of numbers with one number equal to one.

Since the question asked for penguins and then whales:

8:4

Divide both sides by 2. They are both divisible by 2.

4:2

Do it one more time.

2:1

For every 2 penguins, there is 1 whale.

I hope this helps!
~kaikers
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Write an equation of the circle with center (-7,4) and radius 11.
olga_2 [115]

Answer: (x+7)^2 + (y-4)^2 = 121  or  (x+7)^2 + (y-4)^2 = 11^2

Step-by-step explanation:

Equation of the circle is:

(x-h)^2+(y-k)^2=r^2 , which is the center (h,k) and the radius r^2

-Place the center (-7,4) and radius 11 onto that equation:

(x+7)^2+(y-4)^2=121 (if simplified radius needed)

or

(x+7)^2(y-4)^2=11^2

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Why is it important to be able to write a fraction is simplest form?
ziro4ka [17]
Being able to write fractions in simplest form can make operations much easier. Also, to compare fractions, some may have to be in the simplest form. 
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You go to the store and pick out 3 apples for $0.60 each, 2 bananas for $0.50 each, and 1 quart of yogurt for $4.50. At checkout
Stella [2.4K]

Answer:

$6.21

Step-by-step explanation:

1 apple = $0.60

3 apples = $1.80 (Multiply 0.60 by 3)

2 bananas = $1.00 (Multiply 0.50 by 2)

1 quart of yoghurt = $4.50

Add the prices up first:

1.80 + 1.00 + 4.50 = $7.30

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3 years ago
I need help!!! I’ll mark you brainliest<br> This is timed!!
devlian [24]

Answer:

Using the inverse composition rule you know that if (fog)=x and (gof)=x then the functions are inverses.

( g o f ) = ( 7 x + 1 ) − 1 7  this will result in (gof)=x ( f o g) = 7 x − 1 7 +1 = x − 1 + 1 =x

graphically you can check this if it seems that the functions are reflected over the line x=y.

Step-by-step explanation:

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As Jupiter revolves around the sun, it travels at a speed of approximately 8 miles per second. Convert this speed to kilometers
Ira Lisetskai [31]

Answer:

The kilometers Jupiter travel in 5 seconds is <u>64 kilometers</u>.

Step-by-step explanation:

Given:

As Jupiter revolves around the sun, it travels at a speed of approximately 8 miles per second.

1 mile is equal to 1.6 kilometers.

Now, to convert this speed to kilometers per second, and at this speed to find kilometers will Jupiter travel in 5 seconds.

So, to convert speed of miles per second into kilometres per second:

<em>1 mile = 1.6 kilometres.</em>

Thus, 8 miles = 8 × 1.6 = 12.8 kilometres per second.

Now, at this speed we calculate the kilometres Jupiter travel in 5 seconds by multiplying:

<em>In 1 second Jupiter travel = 12.8 kilometres.</em>

So, in 5 seconds Jupiter travel  =12.8\times 5

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Therefore, the kilometers Jupiter travel in 5 seconds is 64 kilometers.

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3 years ago
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