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Keith_Richards [23]
2 years ago
6

Start with a circle whose equation is (x-a)^2

Mathematics
1 answer:
Nat2105 [25]2 years ago
5 0

Answer:

some circles are similar to a circle with a radius unit of 1

Step-by-step explanation:

(x-a)²

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Starting at sea level a submarine rate to depth of -3/4 mile relative to sea level in 5 minutes. What was the submarine depth to
fgiga [73]
This you would have to do a proportion

5 0
3 years ago
Imagine you are painting a series of towers built from cubes. You are going to paint only the exposed faces of the cubes. What i
8_murik_8 [283]
A. Because the paint depends of the cubes
(I’m pretty sure)
3 0
3 years ago
If 5x - 3y = 1 and x = 2y - 4, then x • y = ?
Inessa05 [86]

Answer:

x = 2,  y = 3

Step-by-step explanation:

i) It is given that 5x - 3y =1

ii) It is also given that x = 2y - 4

iii) we can substitute the value of x from ii) in the equation in i) and we will get 5(2y - 4) - 3y = 1   ⇒ 10y - 20 -3y =  1   ⇒  7y = 21  ∴ y = 3

iv) substituting the value of y obtained in ii) we get x = (2 × 3) - 4 = 6 - 4 = 2.

v) Therefore x = 2.

4 0
3 years ago
Minny has two coupons, but can use one of them. The first one is for $5 off an item; the second coupon is for 20% off an item. T
joja [24]
Let's first solve for the $5 off coupon,

28 - 5 = 23

The final total is $23.00 with $5 off.

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Now for the final price of the 20% off coupon,

20\% = 0.2

0.2 or 0.20 is decimal form of 20%. Easier to multiply than in percent form!

0.2 \times 28 = 5.6

$5.6 or $5.60 is 20% of 28, we're not done yet!

Lastly, subtract 20% off of 28 (5.6) from 28,

28 - 5.6 = 22.4
$22.4 or $22.40 is the final after 20% off!

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Q. Which is less after the discounts??

$23.00 or $22.40

A. $22.40 of course which was the 20% off.

Part A : Which coupon should she use ?

Answer : Well, to get a lower price, less to pay, the 20% off coupon is better!

Part B: How much money will she save by using the better coupon?

Answer : $5.6 / $5.60 is the amount she'll save!

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

I hope that helps you out!!

Any more questions, please just ask me!!

~ Zoey
5 0
3 years ago
Which number is irrational?
Arisa [49]
The answer would be: A) square root of 12

the square root of 12 is about 3.4641, irrational numbers most often have decimal points
6 0
3 years ago
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