Which pair of rectangles is similar ? A 3,8 and 2,6 B 3,8 and 2,5
C 3,9 and 2,6
D 3,6 and 2,9 ?

Answers

Answer 1
Answer: D because they are equal the same if you do 3×6=18 and 2×9=18
They have the same area amount.
~JZ
Hope it helps

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Wich is greater 20/12 or 25/15

Answers

The least common denominator is: 60
Then comparing 100/60 with 100/60

100/60 = 100/60,
therefore,
20/12 = 25/15

I need to solve for x and y. Any help is greatly appreciated! Thank you!

Answers

x=-3, y=1

Step-by-step explanation:

Given equations are:

2x-3y=-9     Eqn 1

x+y = - 2      Eqn 2

From eqn 2:

x=-y-2

Putting x=-y-2 in eqn 1

2(-y-2)-3y=-9\n-2y+4-3y=-9\n-5y-4=-9\nAdding\ 4\ on\ both\ sides\n-5y-4+4=-9+4\n-5y=-5\nDividing\ both\ sides\ by\ -5(-5y)/(-5)=(-5)/(-5)\ny=1\nPutting\ y=1\ in\ eqn\ 2\nx+1=-2\nSubtracting\ 1\ from\ both\ sides\nx+1-1=-2-1\nx=-3

Hence,

x=-3, y=1

Keywords: Linear equations, Variables

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Please help!Will wants to have more than $500 by the end of the summer. He already has $84, and he can work for 8 weeks over the summer. Will gets paid the same amount each week.

Which of the following represents the amount of money he must earn each week?
x ≥ $52
x > $52
x ≥ $63
x > $63

Answers

8x + 84 = 500
8x = 416
x = 52

So if he wants to earn more than 500 dollars, he needs to make more than 52 dollars a week. 

Answer:

x>52

Step-by-step explanation:

20+20+20+20+20+10+5+5

Answers

the answer to this equation is 120

Answer:

120

Step-by-step explanation:

What percent is 40 % of 120 % of x?

Answers

The required percent  40% of 120% of x is equal to 0.48 times x.

What are percentages?

The percentage is the ratio of the composition of matter to the overall composition of matter multiplied by 100.

To find 40% of 120% of x, we can first find 120% of x, and then find 40% of that result.

120% of x can be found by multiplying x by 1.2:

120% of x = 1.2 * x

Next, to find 40% of the result, we multiply by 0.4:

40% of (120% of x) = 0.4 * (1.2 * x)

So the final answer is:

40% of 120% of x = 0.4 * (1.2 * x) = 0.48x

This means that 40% of 120% of x is equal to 0.48 times x.

Learn more about percentages here:

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Answer:

48 percent

Step-by-step explanation:

The sum of a number ,1/6 of that number ,2 1/2 of that number, and 7 is 2 1/2 find the number

Answers


Let x be the number. If I understand the wording of the problem correctly, then the equation is this:  x + (1/6)x + (5/2)x + 7 = 5/2 .

x = - 27/22  or - 1 5/22 if a mixed number is desired.