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3 years ago

Estimated 5.4÷2 1/2

Mathematics

2 answers:

aalyn [17]3 years ago

8 0

Answer:

2.16

Step-by-step explanation:

when you put the equation in the calculator, you get 2.16

Scorpion4ik [409]3 years ago

3 0

Answer:

2 (rounded down to the nearest whole number)

Step-by-step explanation:

5.4/2.5=2.16

Providing your wording of estimated - I will take that as you want to round down to the nearest whole number.

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A restaurant operator in Accra has found out that during the partial lockdown, if she sells a plate of her food for GH¢20 each,

Lilit [14]

Answer:

Step-by-step explanation:

First, note this parameters from the question.

We let x = number of $5 increases and number of 10 decreases in plates sold.

Our Revenue equation is:

R(x) = (300-10x)(10+5x)

We expand the above equation into a quadratic equation by multiplying each bracket:

R(x) = 3000 + 1500x - 3000x - 1500x^2

R(x) = -1500x^2 - 1500x + 3000 (collect like terms)

Next we simplify, by dividing through by -1500

= 1500x^2/1500 - 1500x/1500 + 3000/1500

= X^2 - x + 2

X^2 - x + 2 = 0

Next, we find the axis of symmetry using the formula x = -b/(2*a) where b = 1, a = 1

X = - (-1)/2*1

X = 1/2

Number of $5 increases = $5x1/2 = $2.5

=$2.5 + $20 = $22.5 ticket price gives max revenue.

7 0

3 years ago

A park has a large circle painted in the middle of the playground area. The circle is divided into 4 equal sections, and each se

oee [108]

First you need to find the area of the whole circle. $\pi r^{2}$
The radius is given as 10, so just insert 10 into the equation of the area of a circle equation.
$Area = \pi 10^{2} Area = 100 \pi$
Putting $\pi$ after the 100 because that is what is commonly done.

Because the circle is then being split into 4 equal sections, we need to find 1/4 of the area of the whole circle to find the area of one of these sections.

Since the area of the whole circle is $100 \pi$ then we just divide that by 4,
leaving us with 25 $\pi$ and that is our final answer

3 0

3 years ago

I need help with this please:/

ser-zykov [4K]

4.5
pi is about 3.14 and root 23 is about 4.8 - the only number between these values is 4.5

7 0

3 years ago

Read 2 more answers

wariber [46]

Answer:

Step-by-step explanation:

5 0