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frosja888 [35]
3 years ago
13

Use the quotient rule to simplify the expression. Write the expression with positive exponents.

Mathematics
1 answer:
aivan3 [116]3 years ago
5 0

Answer:

\displaystyle 4^{4}

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>

<u>Algebra I</u>

  • Exponential Rule [Dividing]:                                                                           \displaystyle \frac{b^m}{b^n} = b^{m - n}

Step-by-step explanation:

<u>Step 1: Define</u>

<u />\displaystyle \frac{4^{-4}}{4^{-8}}<u />

<u />

<u>Step 2: Rewrite</u>

  1. Exponential Rule [Dividing]:                                                                             \displaystyle 4^{-4 - (-8)}
  2. Subtract Exponents:                                                                                         \displaystyle 4^{4}
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Simplify the following equation ig<br> 6÷2(1+2)
Grace [21]

Answer:

your answer will be <u>9</u>

Step-by-step explanation:

maybe lol

4 0
3 years ago
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A bag contains x blue chips and y red chips. If the probability of selecting a red chip at random is 3/7, then x/y = ________.A.
LUCKY_DIMON [66]

Answer:

D. \frac{4}{3}

Step-by-step explanation:

We have been given that a bag contains x blue chips and y red chips. The probability of selecting a red chip at random is 3/7. We are asked to find the \frac{x}{y}.

\text{Probability}=\frac{\text{Number of favorable outcomes}}{\text{Total number of possible outcomes}}

P(\text{Red})=\frac{\text{Number of red chips}}{\text{Total number of chips}}

P(\text{Red})=\frac{y}{x+y}

Since we are told that probability of selecting a red chip at random is 3/7, so red balls are 3 and total balls are 7:

P(\text{Red})=\frac{3}{x+3}

Since total balls are 7, so we will get:

x+3=7\\x=4

Upon substituting x=4\text{ and } y=3 in expression \frac{x}{y}, we will get:

\frac{4}{3}

Therefore, the value of \frac{x}{y} is \frac{4}{3} and option D is the correct choice.

7 0
3 years ago
Beth filled 32 jars with paint if each jar holds 1 pint of paint how many gallons of paint did beth used
Contact [7]
One gallon = 8 pints, so if each jar holds a pint, then jars/ how many pints in a gallon = the number of gallons. 32 / 8 = 4. The answer is 4 gallons. 
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4 years ago
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| 9. The distance between Town A and Town B was 108 km. A car and a van left Town A at 12 00 for Town B. On reaching Town B, the
Westkost [7]

Answer:

a)  Time until both vehicles meet is 1.5 hours after starting at noon.  That makes it 1:30PM.

b)  Average speed of car is 84 km/h

Step-by-step explanation:

A -----------------------z------------B

          <u>Left</u>      <u>Speed(km/h)</u>      <u>Time</u>

Car:   12PM            X  

Van:   12PM           60

Car/Van

DistanceCar        AB + z

DistanceVan       Az

Ratio:                  (AB+z)/Az  = 7/5

Time until both meet = T (in hours)

Distance Car:            xT

Distance Van:           60T

====

  xT = AB + z

  60T = Az

---

(xT/60T)= (7/5)

x = 60(7/5)

x = 84 km/h

=====

Time for car to reach B is:    time (hr) = 108 km/(84 km/h)

                                                 time = 1.286 hours

Distance for at 1.289 hours is:    distance (km) = (60 km/h)*(1.286 h)

                                                   distance = 77.14 km

At 1.286 hours, the car reverses direction.  The van is (108 km - 77.14 km) or 30.86 km away.

Add the distances travelled by both vehicles after the car reverses direction at 1.286 hours.  The sum will be 30.86 km when they meet, at time of T.

Car Distance + Van Distance = 30.86 km

T(84 km/h) + t(60 km)

They meet when they are 0 km apart, which can be modeled with the following equation:

Van travel Distance - Car Travel Distance = 0 starting at 1.286 hr.

Let <u>t</u> be the time <u>after</u> 1.286 hours that both vehicles meet/collide.

t*(60 km/h)  +  t(84 km/h) = 30.86 km

t(60+84) = 30.86 km

t(144 km/h) = 30.86 km

t = 0.2143 hr

Total time until the car and van meet is 1.286 hr + 0.2143 hr for a total of 1.50 hours.

=================

a)  Time until both vehicles meet is 1.5 hours after starting at noon.  That makes it 1:30PM.

b)  Average speed of car is 84 km/h

==============

<u>CHECK</u>

Is the ratio of the distance travelled by the car and the van until they meet in the ratio of 7/5?

Car distance is (1.5 hr)(84 km/h) = 126 km

Van distance is (1.5 hr)(60 km/h) = 90.0 km

Ratio is 126/90 or 1.4

Ratio of 7/5 is 1.4

<u><em>YES</em></u>

     

3 0
3 years ago
What is equivalent to finding the “zeros” of a function?
Naddik [55]

Answer:

x-intercepts, solutions, roots.

Those are all I can think of. Hope that helps :)

5 0
3 years ago
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