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Wewaii [24]
3 years ago
9

The difference between a number squared, and that same number is 30. What is the number

Mathematics
1 answer:
Volgvan3 years ago
6 0

Answer:

n^2 = n + 30

n^2 -n -30 = 0

Solving by quadratic formula

numbers equal 6 AND -5  

DOUBLE -CHECK

6^2 -6 -30 = 0

36 -6 - 30 = 0 CORRECT

-5^2  - -5 -30 = 0

25 +5 -30 = 0 CORRECT

Two numbers 6 and -5

Step-by-step explanation:

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gladu [14]
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3,200,000 divided by 365 (for days)
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365.297 divided by 60 (for minutes)
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Hope this helped.
8 0
3 years ago
#1: Simplify the expression below. Type your answer as an integer.<br> 7 + 1 - 18 : 6
myrzilka [38]

Answer:

5

Step-by-step explanation:

<u>Steps of calculation:</u>

  • 7 + 1 - 18 : 6 =
  • 7 + 1 - 3 =
  • 8 - 3 =
  • 5

Answer is 5

8 0
3 years ago
Find the 78th term of the arithmetic sequence –4,-2,0,...
MArishka [77]

The number is increasing by 2 every time.

78 x 2 = 156

-4 + 156 = 152

The 78th term is 152

8 0
2 years ago
Is the function described by the points in this table linear or nonlinear?
Flauer [41]

Answer:

nonlinear

Step-by-step explanation:

6 0
2 years ago
What is the typical age of people shown in the frequency table?
Sergio039 [100]

Answer:

Step-by-step explanation:

4 0
2 years ago
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