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Sergio [31]
3 years ago
8

What's the algebraic expression of "15 less than a number squared"?

Mathematics
1 answer:
torisob [31]3 years ago
8 0
Again take the variable to be x
x^12-15
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Can anyone help me with this problem
Rama09 [41]

9514 1404 393

Answer:

  8. A = {Delaware, New Jersey, Pennsylvania}

  9. |B| = 3

Step-by-step explanation:

8. Dates prior to 1 Jan 1788 are those in 1787. The three states admitted in 1787 are listed as Delaware, Pennsylvania, New Jersey. It is usually convenient to list elements of a set in lexicographical order:

  A = {Delaware, New Jersey, Pennsylvania}

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9. The months June and July appear 3 separate times on the list, so there would be 3 elements in the set B.

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3 0
3 years ago
Which of the following is the solution to |x-13|<18
serious [3.7K]

Rewrite the inequality without the absolute value

-18 < x - 13 < 18

Add 13 to the whole equation

-18 + 13 < x < 18 + 13

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3 0
3 years ago
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blagie [28]
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3 0
3 years ago
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Sarah hopes to be 5 feet tall by her next birthday. Right now, she is 148 centimeters tall. About how many more centimeters does
Alla [95]

Answer:

4.4 cm

Step-by-step explanation:

To solve this problem, we have to remind the conversion factor between feet and cm. We know that:

1 foot = 12 inches

1 inches = 2.54 cm

So,

1 ft = 12 \cdot 2.54 =30.48 cm

In this problem, Sarah's height right now is

h = 148 cm

She wants to be 5 feet tall by her next birthday: it means that her height should be

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Therefore, she needs to grow by:

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So, she needs to grow 4.4 cm more in order to be 5 feet tall.

3 0
3 years ago
the temperature started at 89°f. if the temperature went up 6°f and then down 12°f, how many degrees above or below the high is
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The answer is 6 degrees below the high. 
89+6=95
95-12=83
4 0
3 years ago
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