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3 years ago

I had 3 apples I eat two how many I had left

Mathematics

2 answers:

musickatia [10]3 years ago

5 0

Had or have? You had 3 now you have 3 just 2 are eaten.

Evgesh-ka [11]3 years ago

4 0

If you had three apples and you ate two then you would have one apples left. I don't think that's high school math.

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20. The perimeter of a square is 72 in. What is its area? 72 in2 324 in2 18 in2 5,184 in2

tatuchka [14]

To find the length of each side 72/4
Each side is 18

So area is 18 times 18= 324

6 0

3 years ago

What numbers make this expression undefined x^2+3/x^2-11x-12

marusya05 [52]

$\frac{ {x}^{2} + 3}{ {x}^{2} - 11x - 12}$

Because which numbers will make the expessions undefined. We will focus on the denominator only.

Factor the terms.

$(x - 12)(x + 1)$

Now which 2 numbers that will make these terms become 0?

12 and - 1 of course.

So these 2 numbers that will make the expressions undefined are 12 and - 1

5 0

2 years ago

Noaya read a book cover to cover in a single session, at a rate of 55 pages per hour. After 4 hours, he had 350 pages left to re

natali 33 [55]

Answer:

55 pages/hour

350 - 55x = y

6 0

3 years ago

1/2(n-5)=1/2(23-5) I cannot find what’s half of 23-5

liraira [26]

Answer:

n = 23

Step-by-step explanation:

if 1/2 (n-5) = 1/2 (23-5)

that must mean that n=23.

and if you are just looking for 1/2 of 23-5 that is just 9. (23-5) = 18 and half of 18 is 9

3 0

2 years ago

Mean of four numbers a ,b, c, and d is 8 and mean of seven

Nana76 [90]

Answer:

17 1/3 or 17.33

Step-by-step explanation:

Mean of four numbers a, b, c, and d is 8:

(a + b + c + d)/4 = 8
⇒ a + b + c + d = 32

Mean of seven numbers x, y, z, a, b, c and d is 12:

(x + y + z + a + b + c + d)/7 = 12

Substitute the sum of 4 numbers:

x + y + z + 32 = 7*12
x + y + z = 84 - 32
x + y + z = 52

Mean of x, y and z is:

52/3 = 17 1/3 or 17.33

4 0

2 years ago