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3 years ago

7

McDonald's has sold more than a billion hamburgers. if it were possible to eat a hamburger every minute of every day (day and ni

ght) without stopping, how many years would it take to eat a billion hamburgers

1 answer:

Bumek [7]3 years ago

5 0

60x24=1440 1440x365=525600 525600x2000=1,051,200,000 about 2000 years

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What kind of symmetry does a B have

Mama L [17]

The rest of the letters, A, B, C, D, and E all have only 1 line of symmetry. Notice that the A has a vertical line of symmetry, while the B, C, D, and E have a horizontal line of symmetry.

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3 years ago

create an equation for a third function that has a greater rate of change than one function but a smaller rate of change than th

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Answer:

$f(x)=x+5$

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The rate of change (slope) is 1 which is more than function 2 and less than function 1

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3 years ago

Consider a triangle with angles 30o-60o-90o, with hypotenuse of length 2. Calculate the lengths of the other 2 sides and store t

kumpel [21]

Answer:

1.00 and 1.73

Step-by-step explanation:

1) Calculating the 1st and the 2nd leg using trigonometric function sine:

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Once one leg is found there is another way to find the other leg, using Pythagorean Theorem too.

$a^{2}=b^{2}+c^{2}\Rightarrow 2^{2}=b^{2}+1^{2}\Rightarrow 4-1=b^{2}\Rightarrow b=\sqrt{3} b\approx 1.73$

Sides

a hypotenuse: 2.00

-------------------------------

b leg: 1.73

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c leg: 1.00

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4 0

3 years ago

An animal shelter spends $5.50 per day to care for each bird and $8.50 per day to care for each cat. Anna noticed that the shelt

Mama L [17]

Answer:

19

Step-by-step explanation:

We can solve this problem using a system of equation in two unknowns.

Let b = number of birds.

Let c = number of cats.

The care of a bird costs $5.50, so for b number of birds, the cost of care is 5.5b.

The care of a cat costs $8.50, so for c number of cats, the cost of care is 8.5c.

The total cost of care for the birds and cats is 5.5b + 8.5c.

The total cost of care is $291.50. This must equal the expression we have above, so we get our first equation.

5.5b + 8.5c = 291.5

The total number of birds and cats is b + c, but we are told it is 41, so our second equation is:

b + c = 41

We now have the following system of two equations in two unknowns.

5.5b + 8.5c = 291.5

b + c = 41

Rewrite the first equation.

Multiply both sides of the second equation by -8.5, and write it under the first equation. Then add the equations.

5.5b + 8.5c = 291.5

+ -8.5b - 8.5c = -348.50

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-3b = -57

Divide both sides of the equation by -3.

b = 19

Answer: there were 19 birds

4 0

3 years ago