MATHEMATICS HIGH SCHOOL

What is the final amount if 1885 is increased by 5% followed by a further 18% increase

Answers

Answer 1

Answer:

9514 1404 393

Answer:

2335.515

Step-by-step explanation:

The first increase multiplies the original amount by 1 + 5% = 1.05.

The second increase multiplies the already increased amount by 1 + 18% = 1.18.

Then the final amount is ...

1885(1.05)(1.18) = 2335.515

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To convert from square miles to square feet,what operation will you use

Answers

The correct one is multiplication.

-- Take the number of square miles.

-- Multiply it by the fraction (5,280 feet / 1 mile)² .

-- After canceling things where possible, simplifying, and
cleaning up the product, what you have is the same area
expressed in square feet.

Multiplication because to convert from a larger unit, miles, to a smaller unit, feet, you multiply the number of miles by the number of feet in a mile to get the total number of feet.

Luke and Joshua work at a dry cleaners ironing shirts. Luke can iron 35 shirts per hour, and Joshua can iron 25 shirts per hour. Luke worked 3 more hours than Joshua and they ironed 345 shirts between them. Determine the number of hours Luke worked and the number of hours Joshua worked.

Answers

It’s 48 because I worked it out on paper and got it right

Answer:

Step-by-step explanation:

I solved the problem step by step on paper and got it right

Whats an equation for the parabola vertex(3,3) and focus (3,5) and steps please

Answers

find directix

reemember that the vertex is equal distance from the directex as from the focus
and the directex and focus are on oposite sides of theh vertex
we seee that the directix is to the left of the vertex and focus

equation is
4p(x-h)=(y-k)^2 since the parabola opesn sideways
p is positive
p=distance from vertex to focus
distance is 2 since 3 to 5 is 2

8(x-h)=(y-k)^2
(h,k) is center
(3,3) is center

8(x-3)=(y-3)^2 is the equation
ifyo wanted it in terms of y then
square root both sides thena dd 3
$√(8(x-3)) +3$ =y
remember that $√(x) =x^{ (1)/(2)}$
y= $8(x-3)^{ (1)/(2) }+3$

Which shows 232 − 172 being evaluated using the difference of perfect squares method?232 − 172 = (529 + 289)(529 − 289) = 196,320
232 − 172 = 529 − 289 = 240
232 − 172 = (23 + 17)(23 − 17) = (40)(6) = 240
232 − 172 = (23 − 17)2 = (6)2 = 36

Answers

difference of perfect squares is a² - b² = (a+b)(a-b)

Here, we can let 23 = a and 17 = b, so using this method, we have
23² - 17² = (23+17)(23-17) = 40 × 6 = 240

So third option is correct.

Answer:

Your answer is 23^2 − 17^2 = (23 + 17)(23 − 17) = (40)(6) = 240, or C on your answer sheet.

Step-by-step explanation:

Lets begin!

So when a binomial is composed of two perfect squares separated by a subtraction symbol, a certain method called the difference of perfect squares can be used. The difference of perfect squares method can be done by multiplying the sum and difference of the two square roots.

So, to solve:

23^2 - 17^2 = (23 + 17)(23-17) = (40)(6) = 240

Thus being your answer.

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Which two numbers add up to 27 and multiply to -160?

Answers

+ 32
and
- 5

will do that job for you.

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