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GuDViN [60]
3 years ago
9

Find the unit rate. How many miles per hour. 2/5 miles in 1/3 of an hour

Mathematics
1 answer:
KonstantinChe [14]3 years ago
7 0

Answer:

6 miles per hour I think

Step-by-step explanation:

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What is the value for f(x)= 3^2x+1 when x =1/2
Papessa [141]
Taking 2x is power of 3.

So it will be like 3^(2*1/2) + 1
You are replacing 'x' with 1/2
and the equation becomes 3^1+1
So, f(1/2) = 4
Answer is 4.

If its like
<span>3^(2x+1)
Then its like 3^[(2*1/2) +1]
It becomes 3^(1+1) = 3^2 = 9
So, the answer is 9
</span>
8 0
4 years ago
Lance Murdock purchased a wooden statue of a Conquistador for $7,500 to put in his home office 8 years ago. Lance has recently m
Lapatulllka [165]

Answer:

- 5.9%

Step-by-step explanation:

Data provided in the question :

Future value of the amount invested = $4,600

Principle i.e amount of purchase = $7,500

Time, n = 8 years

Now,

let the interest rate be 'i'

using compounding

$4,600 = $7,500 × (1 + i)⁸

or

0.613 = (1 + i)⁸

or

1 + i = 0.941

or

i = -0.059

or

interest rate = - 5.9%

Here negative sign means loss

3 0
3 years ago
Milly wrote the equation 6= -2x-6<br><br> What is the value of x ?
Sphinxa [80]

Answer:

x = -6

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  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

6 = -2x - 6

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. [Addition Property of Equality] Add 6 on both sides:                                    12 = -2x
  2. [Division Property of Equality] Divide -2 on both sides:                                -6 = x
  3. Rewrite:                                                                                                             x = -6
6 0
3 years ago
A stockbroker estimates that at the end of the year, there is a 40% chance a stock will be worth $50,
nadya68 [22]

The expected value  that  this broker assign to this stock's end-of-the-year price is $58.50.

Using this formula

Expected value=Stock worth at $50+ Stock worth at $60+ Stock worth at $70

Where:

Stock worth at $50=40% chance

Stock worth at $60=35% chance

Stock worth at $70=25% chance

Let plug in the formula

Expected value=(40%×$50)+($35%×$60)+($25%×$70)

Expected value=$20+$21+$17.5

Expected value=$58.50

Inconclusion the expected value  that  this broker assign to this stock's end-of-the-year price is $58.50.

Learn more here:

brainly.com/question/12834805

6 0
2 years ago
HELP !!!! can someone help me please how can i use the vertex formula to find this equation for this graph ?
DedPeter [7]
Based on that table of values, we know the highest point(vertex) is at 0.9, 5.9

we can also use just one another point... say 1.4, 4.6

\bf \qquad \textit{parabola vertex form}\\\\&#10;\begin{array}{llll}&#10;y=a(x-{{ h}})^2+{{ k}}&#10;\end{array} \qquad\qquad  vertex\ ({{ h}},{{ k}})\\\\&#10;-------------------------------\\\\

\bf \begin{cases}&#10;h=0.9\\&#10;k=5.9&#10;\end{cases}\implies y=a(x-0.9)^2+5.9&#10;\\\\\\&#10;\begin{cases}&#10;\textit{another point}\\&#10;x=1.4\\&#10;y=4.6&#10;\end{cases}\implies 4.6=a(1.4-0.9)^2+5.9&#10;\\\\\\&#10;4.6=a(0.5)^2+5.9\implies 4.6-5.9=a(0.5)^2\implies -1.3=a(0.5)^2&#10;\\\\\\&#10;\cfrac{-1.3}{0.5^2}=a\implies -5.2=a&#10;\\\\\\&#10;thus\qquad \qquad \boxed{y=-5.2(x-0.9)^2+5.9}
5 0
3 years ago
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