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andrey2020 [161]
3 years ago
12

translate the words into a algebraic expression. "twenty-seven more than a number squared" "one less than three times a number"

Mathematics
1 answer:
Stella [2.4K]3 years ago
3 0

Answer:

n^2+27 and 3n-1

Step-by-step explanation:

n is a number.

a number squared is n^2

27 more than a number squared is n^2+27

n is a number.

three times a number is 3 times n, or 3n

one less than that is 3n-1

Hope this answer helped! :)

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Please show steps:
vodka [1.7K]

Kyle drove x hours

Sally drove x  + 7 hours

Added together they both drove 2x + 7 hours

2x +7 = 35 hours

Subtract 7 from both sides:

2x = 28

Divide both sides by 2:

x = 14

Kyle drove 14 hours

Sally drove 21 hours

8 0
3 years ago
3 letters without replacement 4 letters A B C D how many ways can this be done if the order of the choices matters
Veseljchak [2.6K]

Answer:

Since the order of choice matters, we will permute the values.                       a bit more explanation for this:

If the order of choice did NOT matter, ABC and BCA will be counted as one since order of choice does NOT matter

Since order of choice does matter, ABC , BCA and CAB are all different possibilities for the arrangement of the same 3 letters

Since we have 3 slots:

___  ___ ___

Now, for the first slot. You can out either one if the 4 alphabets in the first slot since no slot has been used as of now

So:

_<u>4</u>_ ___ ___

**Keep in mind that the 4 is the possible number of values this slot can have**

Now that one slot has been used, one of the 4 alphabets has been used and since we are not allowed to repeat the same alphabets, we are left with  3 more alphabets

we can put any one of the 3 alphabets in this second slot, Hence:

_<u>4</u>_ <u>_3_</u> ___

Now that 2 of the 4 alphabets have been used, we are left with only 2 alphabets, so there are only 2 possible alphabets for slot 3

Therefore:

_<u>4</u>_ _<u>3</u>_ _<u>2</u>_

Now that we know the possible alphabets for all 3 slots, we will multiply them with each other to get the total possible number of 3 - alphabet words we can make with 4 alphabets

Total possible words = 4 * 3 * 2

Total possible words = 24

We could've used the formula for Permutation as well

8 0
3 years ago
Which is different? Find "both answers.
Basile [38]

Answer:

1) 11

2)275

3)11

Step-by-step explanation:

0.20 x 55= 11

55 x 5=275

0.2*55=11

4 0
3 years ago
Can someone help me answer these questions?
Amanda [17]

Answer:

top angle = 59

n= 12

submitted with n and you will get each angle

- - - - - - - - -

X = 32°

C= 67°

7 0
4 years ago
Read 2 more answers
Write the point slope form of an equation of the line through the points
denis23 [38]

Answer:

the answer is D

how to try the values of the x and y

(x,y)

7 0
3 years ago
Read 2 more answers
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