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prohojiy [21]
3 years ago
14

Farrah is 4 years older than 5 times her brother Emil's age. Farrah is 19 years old. Let e represent Emil’s age. During the Stra

tegize step of the five-step problem-solving plan, which expression would you use to represent Farrah’s age? A: 5e + 19 B: 5e + 4 C: e + 19 D: 4e + 5
Mathematics
1 answer:
Pepsi [2]3 years ago
8 0
The answer is B.
If Farrah is 5 times older than Emil plus 4 years, the equation would be 5e+4.
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B-1.6=(0.4) to the second power. SHOW WORK
olya-2409 [2.1K]
First, do 0.4 + 0.4. So, you can see what number you should get when you check your answer. For this, you should get 0.8

Then, do 0.8 + 1.6
After you add those 0.8 and 1.6, you should get your answer.
To check your answer, plug in your answer where B is and see if you get 0.8. I hope this helps! I did as much explaining as I could! If you need anymore help with this, just comment
4 0
3 years ago
Shanice's car is traveling 10 miles per hour slower than twice the speed of Brandon's car. She covers 93 miles in 1 hour 30 minu
joja [24]

Shanice's rate: 93 / 1.5 = 62 miles per hour

she is 10 miles slower than twice the speed of Brandon

62 +10 = 72

72/2 = 36

 Brandon is driving 36 miles per hour

3 0
3 years ago
What is the derivative of 3x+5x
Vaselesa [24]

Answer:

\displaystyle \frac{d}{dx}[3x + 5x] = 8

General Formulas and Concepts:

<u>Calculus</u>

Differentiation

  • Derivatives
  • Derivative Notation

Derivative Property [Multiplied Constant]:                                                           \displaystyle \frac{d}{dx} [cf(x)] = c \cdot f'(x)

Basic Power Rule:

  1. f(x) = cxⁿ
  2. f’(x) = c·nxⁿ⁻¹

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

\displaystyle y = 3x + 5x

<u>Step 2: Differentiate</u>

  1. Simplify:                                                                                                         \displaystyle y = 8x
  2. Derivative Property [Multiplied Constant]:                                                   \displaystyle y' = 8\frac{d}{dx}[x]
  3. Basic Power Rule:                                                                                         \displaystyle y' = 8

Topic: AP Calculus AB/BC (Calculus I/I + II)

Unit: Differentiation

7 0
3 years ago
Please help me- Math Sucks &gt;:(
lorasvet [3.4K]

Answer:

4x2 and 8 divided by 4

Step-by-step explanation:

I love math !

6 0
3 years ago
Read 2 more answers
See attachment , and all questions. Is what I've done correct? Please explain your answers :)
Dafna11 [192]
you got all right just check it and do the other one
6 0
3 years ago
Read 2 more answers
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