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Annette [7]
3 years ago
9

Has 256 and 81 already been squared? 8th grade math Please answer ASAP (i'm being timed)

Mathematics
1 answer:
guajiro [1.7K]3 years ago
6 0
Yes. I believe 256 and 81 have already been squared. The little 2 at the end means squared inches (i think that is what you were asking). If you also look at the squares, proportionally speaking, it would not make sense if they still needed to be squared. I hope I answered your question correctly... good luck
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Can someone please help me with this? Thank you!
IceJOKER [234]

Answer:

2 1/2

Step-by-step explanation:

  1. 5/8 / 1/4
  2. 5/8 x 4/1
  3. cross cancel 4 and 8 to get 5/2 x 1/1
  4. answer 5/2 or 2 1/2
3 0
3 years ago
Read 2 more answers
PLS HELP ME ILL MARK BRAINLIST IF SOMEONE CAN HELP ME WITH THESE 2 QUESTIONS!!
Nat2105 [25]

Answer:

1. Andrew grew 4 5/12 inches in 2 years

2. Abbey rode her bike for 3 3/8 hours in 2 days.

Step-by-step explanation:

When adding fractions you must have a common denominator for both of them.

First make the mixed fraction, improper fractions.

1 3/4 = 7/4

2 2/3 = 8/3

7/4 x 3/3 = 21/12

8/3 x 4/4 = 32/12

21 + 32 = 53

53/12 = 4 5/12

1 3/4 = 7/4

1 5/8 = 13/8

7/4 x 4/4 = 28/16

13/8 x 2/2 = 26/16

26 + 28 = 54

54/16 = 3 3/8

I hope this helped and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!

5 0
3 years ago
Maria and her friend ride their bikes. They start at 12:47 and end at 2:29. How long did they ride their bikes for?
IRINA_888 [86]

Answer:

Their bide ride was 1 hour and 42 minutes

4 0
3 years ago
The following table provides information about the median income in four states in
photoshop1234 [79]

Answer:

$68,213

Step-by-step explanation:

The median is the middle value number.

So you need median for Virginia.

First lets see how index and income are connected.

To do this divide the income by the index to see if you have a constant value you can use.

535.434783 = Arkansas

535.381944 = Alabama

535.58 = Arizona

535.669236 = Alaska

535 is constant in all of these.

Let's multiply the index by 535.

127.2*535 =68212.5

For median income, you need a whole number so lets round up.

68213

So Virginia would have a median income rate of $68,213

If you have anymore questions, don't be afraid to reach out and I hope that helps!

3 0
3 years ago
11. If f(x)=4x-9, what is the equation for f^-1(x)?
FrozenT [24]
F(x) = 4x - 9

let f(x) = y, this implies that  x = f⁻¹(y)

y = 4x - 9           Let us solve for x.

4x - 9 = y

4x = y + 9

x = (y + 9)/4

Recall that x = f⁻¹(y),

x = (y + 9)/4

f⁻¹(y) = (y + 9)/4

That means that for f⁻¹(x)

f⁻¹(x) = (x + 9)/4

Hope this explains it.
3 0
3 years ago
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