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Tpy6a [65]
3 years ago
12

Please help me in this question​

Mathematics
1 answer:
quester [9]3 years ago
5 0

Answer:

  • m= 4

Step-by-step explanation:

  • (-5)^(m + 3) × (-5)^8 = (-5)^15
  • (-5)^(m + 3 + 8) = (-5)^15
  • (-5)^(m + 11) = (-5)^15
  • m + 11 = 15
  • m = 4
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An equation of the circle whose center is the origin and
tankabanditka [31]

Answer:

\fbox{\begin{minipage}{10em}Option C is correct\end{minipage}}

Explanation:

A circle whose center is (a, b) and radius r, has equation:

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

The center of circle is  given as origin (0, 0), therefore:

a = 0\\b = 0

This circle passes (3, 0), then the radius of circle is the distance (d) between origin (0, 0) and (3, 0)

d = \sqrt{(0 - 3)^{2} + (0 - 0)^{2} } = \sqrt{3^{2} } = 3

=> r = d = 3

Substitute a, b, and r back into original equation:

(x - 0)^{2} + (y - 0)^{2}  = 3^{2}

or

x^{2} + y^{2} = 9

Hope this helps!

:)

3 0
3 years ago
I need help I neererrrrrtgggh
spin [16.1K]
3^4 = 3 x 3 x 3 x 3

4^3 = 4 x 4 x 4

3^3 = 3 x 3 x 3 = 27

Hope it helps!
7 0
3 years ago
Read 2 more answers
If anyone can help me out I would truly appreciate it <br> Please show me step by step
wel

Answer:

5

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

0.3y + y/z

<em>y</em> = 10

<em>z</em> = 5

<u>Step 2: Evaluate</u>

  1. Substitute in variables:                                                                                     0.3(10) + 10/5
  2. Multiply:                                                                                                             3 + 10/5
  3. Divide:                                                                                                               3 + 2
  4. Add:                                                                                                                   5
3 0
3 years ago
3f+3&lt;6 or 7f-20 &gt;50 I don't understand this
OLga [1]
The answers to the questions

7 0
3 years ago
PLEASE HELP! WILL GIVE BRAINLIEST!
Tresset [83]

Answer:

the obvious choice is 7/16

Step-by-step explanation:

the 7 is more than half in this question

lowkey give brainlist /\

8 0
3 years ago
Read 2 more answers
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