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3 years ago

What is the area of rectangle ABCD in square units

Mathematics

2 answers:

DedPeter [7]3 years ago

6 0

Answer:

I don't see a picture of the rectangle but all you would have to do s multiply the width of the rectangle by its height.

Scorpion4ik [409]3 years ago

3 0

Answer:

AxB = CxD

Therefore AxB = AB^2

CxD= CD^2

AB^2 = CD^2

Step-by-step explanation:

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In 1983 the composition of pennies in the United States was changed due, in part, to the rising cost of copper. Pennies minted a

MA_775_DIABLO [31]

Answer:

<u>Solution for (a)</u>

Earlier Copper pennies are 22.

After 1983 pennies are 28.

Step-by-step explanation:

Pennies minted after 1983 weigh 2.50g

Earlier copper pennies weigh 3.11g

A roll of pennies contains 50 pennies.

A particular roll of pennies weighs 138.42g

Let the number of pennies minted after 1983 be x and;

Earlier copper pennies be 50 - x

2.50x + 3.11(50 - x) = 138.42

Opening the brackets gives;

2.5x + 155.5 - 3.11x = 138.42

Solving like terms together gives;

-0.61x = -17.08

Dividing through gives;

x = 28

So there are 28 after 1983 pennies and;

50 - 28 = 22 earlier pennies.

3 0

2 years ago

what is the relative frequency of a customer 40 years or older getting information from the internet? A.) 0.182 B.)0.222 C.)0.25

Vlad1618 [11]

Answer:

Step-by-step explanation:

first the formula for frequency is f=1/t

some then the answer is f= 1/40

f= 0.025

6 0

2 years ago

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Which table shows a proportional relationship between x and y help me and earn 20 points

babunello [35]

Answer:

the answer is A

Step-by-step explanation:

i said a because

5×5=25

6×5=30

8×5=40

5 0

2 years ago

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Find the rate of increase:<br> Original amount: $2000<br> Final amount: $3000

Genrish500 [490]

Answer:

Step-by-step explanation:

3 0

3 years ago

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What is an easy way to factor and equation like 2x^2-5x+3, without using the British method?

gladu [14]

Answer:

Step-by-step explanation:

I learned this easy way to complete the sqare in the fastest way possible

First you want to get it to x^2. So the first thing you would do is divide the entire equation by 2 to get 2(x^2 -5/2x +3/2). then you do one half of b or in this case -5/2. That would make -5/4. you would put this into the factor.

2( x -5/4 + ) ( x -5/4 - )

Then you square that number (-5/4)

That makes 25/16. you take that number and subtract the last number or the constant, c to make 1/16. now to finish it up you square root that number. the squre root of 1/16 is 1/4. then you put that into the last part of the factor.

2( x -5/4 + 1/4) ( x -5/4 - 1/4)

Then you simplify

(x-1) 2(x-3/2)

(x-1) (2x-3)

now to make sure I am correct, I will re-multiply it out

2x^2 -5x + 3

3 0

3 years ago