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stich3 [128]
4 years ago
13

Martha baked 18 cupcakes .

Mathematics
1 answer:
velikii [3]4 years ago
7 0

Answer:

66.67%

Step-by-step explanation:

\frac{12}{18} \times 100\\\\= \frac{1200}{18}\\ \\=66.67\%

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If one pound = rupees 135 and dollar =105 rupees then convert the pound 63 into Dollar​
enot [183]

Answer:

Step-by-step explanation:

£63 = 135 × 63

       = Rs . 8505

Rs . 8505 = 8505 / 105

                 = $81

6 0
3 years ago
Find f(-2) for f(x) = 2(4)^x<br><br> O A.1/16<br> O B.1/8<br> O C. -16<br> OD. - 32
scoray [572]

Answer:

B. 1/8

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>Algebra I</u>

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

<u />\displaystyle f(x) = 2(4)^x\\f(-2) \ is \ x = -2<u />

<u />

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em>:                    \displaystyle f(-2) = 2(4)^{-2}
  2. Exponents:                          \displaystyle f(-2) = 2(\frac{1}{16})
  3. Multiply:                               \displaystyle f(-2) = \frac{1}{8}
5 0
3 years ago
The average of an electrician's hourly wage and a plumber's hourly wage is $32.00. One day a contractor hires an electrician for
S_A_V [24]
19.90 dollars if you need help with steps just ask!
4 0
3 years ago
Someone Help me solve these by substitution please !
PSYCHO15rus [73]
I think the answer is:

X=3

Y=-2
8 0
3 years ago
Please help me with this answer having a hard time
Ipatiy [6.2K]

To solve this you must use the rules of PEMDAS (Parentheses, Exponent, Multiplication, Division, Addition, Subtraction)

In this problem we have double parentheses. Which one should we solve first? The answer to that is always the inner most ones:

13[ 6² ÷ (5² - 4²) + 9]

5² - 4²

^^^Here you will have to first take the square of both values

25 - 16

9

13[ 6² ÷ (9) + 9]

Now for the exponents

13[ 6² ÷ (9) + 9]

6²

36

13[ 36 ÷ 9 + 9]

Now for the division:

13[ 36 ÷ 9 + 9]

36 ÷ 9

4

13[ 4 + 9]

Now for the addition

13[ 4 + 9]

4 + 9

13

13[13]

Now for multiplication

169

Hope this helped!

~Just a girl in love with Shawn Mendes

5 0
4 years ago
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