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3 years ago

Consider Figure A and Figure B on the coordinates grid.

Mathematics

1 answer:

r-ruslan [8.4K]3 years ago

5 0

Answer:

The answer is the first answer choice. (Reflect figure A in the y axis, followed by a 90 degree clockwise rotation about the origin)

Step-by-step explanation:

By reflecting over the y axis allows the shape to only have to move 90 degrees clockwise around the origin which is (0,0).

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The sum of ages of a man and his wife is 81. The ratio of their ages is 5:4. Find the age of the younger person.

slamgirl [31]

Answer:

A 30 years jjjajajajwiwkwkwiwqakaaiai

3 0

2 years ago

Read 2 more answers

George earns 9% commission on all of his sales. He had sales of 89,400 for the month. Paris works for a different company, and a

Sholpan [36]

Answer: 10.53%

Step-by-step explanation:

George £89400 @ 9% = £8046 so income = £89400+£8046=£97446

Harris (Paris?) gets £447 more so 97446+447=£97893

and this represents sales of £89400 plus commission

so Harris' commission = £97893-£89400 = £8493

So last stage is what commission percentage is £8493 of original sales £89400 = 10.53%

8 0

3 years ago

Help........Write an equation and solve:

Tom [10]

Answer:

5 months

Step-by-step explanation:

Equate the formulas for the weights of the two boys:

J's weight = 120 lb + (10 lb/mo)m = D's weight = 150 lb + (4 lb/mo)m

Solve as follows: Subtract 120 lb from both sides:

(10 lb/mo)m = 30 lb + (4 lb/mo)m.

Then: (6 lb/mo)m = 30 lb, and m = (30 lb) / (6 lb/mo) = 5 months

3 0

3 years ago

In a shelter, the number of kennels is proportional to the number of dogs. The constant of proportionality in terms of dogs per

crimeas [40]

There are 9 kennels.

(# of dogs) = 3 (# of kennels)

27 = 3 (# of kennels)

27 / 3 = (# of kennels)

9 = (# of kennels)

7 0

3 years ago

Find the accumulated value of an investment of $7000 at 12% compounded semiannually for 12 years.

Mashcka [7]

Answer:

$28,342.54

Step-by-step explanation:

The value of an account earning compound interest is found using the formula ...

A = P(1 +r/n)^(nt)

where P is the principal invested at annual rate r compounded n times per year for t years.

You have P=7000, r=0.12, n=2, t=12.

Using these values in the formula, we find the accumulated value of the investment to be ...

A = 7000(1 +0.12/2)^(2·12) = 7000(1.06^24) ≈ 28,342.54

The value after 12 years is $28,342.54.

_____

<em>Additional comment</em>

The time-value-of-money functions of your calculator or spreadsheet can find this for you.

7 0

2 years ago