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gogolik [260]
3 years ago
15

HELP PLEASE!! What is the value of 18^2? A) 36 B) 324 C) 360 D) 9

Mathematics
1 answer:
Aleonysh [2.5K]3 years ago
8 0

18² is the same as saying 18 * 18, which is 324

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Jo Bob’s gyro truck sold 114 gyros for lunch on Wednesday. The driver sold 98 gyros at the first stop. At the next stop, the Jon
bazaltina [42]

Answer:

they pay $17.92

Step-by-step explanation:

114-98=16

16÷2=8

8×2.24=17.92

7 0
3 years ago
Work out the balance for £5000 invested for 5 years at 7% per annum
zvonat [6]
Given:
Principal : 5,000
Interest rate : 7% per annum
Term : 5 years

Simple interest is computed by multiplying the principal, the interest rate, and the term.

Simple Interest = Principal * interest rate * term

S.I. = 5,000 * 7% * 5years
S.I. = 350 * 5 years
S.I. = 1,750

An investment of 5,000 will earn a total of 1,750 within 5 years at 7% per annum.
7 0
3 years ago
+2+1+6 this is confusing what is the answer and explanation
SSSSS [86.1K]

Answer:

9

Step-by-step explanation:

hi I'm pretty sure this is really wrong but just kinda guessing

+2 is just a positive 2 so it's just known as 2

2+1+6 = 9

4 0
2 years ago
Read 2 more answers
Given the equation (x + 3) ^ 2 + y ^ 2 = 81 choose ALL correct answers
Ksivusya [100]

Answer:

The equation of a circle having the center (a, b) and radius r could be formulated by:

(x - a)^2 + (y - b)^2 = r^2

A circle, which has equation form: (x + 3) ^ 2 + y ^ 2 = 81, can be turned into:

(x - -3)^2 + (y - 0)^2 = 9^2

=> center (-3, 0)

=> radius = 9

=> Option 1 is correct

=> Option 4 is correct

=> Option 7 is correct

Hope this helps!

:)

6 0
3 years ago
Develop an explicit formula in terms of n for the nth term of the following sequence:
Pavel [41]

Answer:

a_{n}=(n-1)n^{2}

for the seventh term: a_{n}=(7-1)7^{2}= (6)(49)=294

Step-by-step explanation:

First, we need to observe the sequence, it is crescent, every term is bigger than the one before it. Now, if we put our numbers in a graph (added as an image) we'll notice we obtain an exponential function, this is another detail we'll consider to find our equation, from here it's trial an error.

Our formula is:

a_{n}=(n-1)n^{2}

where n is the number of term:

  1. a_{n}=(1-1)1^{2}= (0)(1)=0
  2. a_{n}=(2-1)2^{2}= (1)(4)=4
  3. a_{n}=(3-1)3^{2}= (2)(9)=18
  4. a_{n}=(4-1)4^{2}= (3)(16)=48
  5. a_{n}=(5-1)5^{2}= (4)(25)=100
  6. a_{n}=(6-1)6^{2}= (5)(36)=180 it works!
  7. a_{n}=(7-1)7^{2}= (6)(49)=294

I hope you find this information useful! Good luck!

5 0
3 years ago
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