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Lyrx [107]
2 years ago
6

HELP ASAP WILL GIVE BRAINLIEST!!!!

Mathematics
1 answer:
Trava [24]2 years ago
6 0

Answer:

4, 1, and 1/8

Step-by-step explanation:

If I am correct, the x is being raised as an exponent.

Since the x-values are already given, we can plug them into the function.

If x= - 2, then (\frac{1}{2} )^{-2} = 4\\

Anything raised to 0 is 1, so when x=0, y=1.

If x=3, then (\frac{1}{2})^3 = 1/2*1/2*1/2 = 1/8

Therefore, the correct answers are:

(-2, 4)  (0, 1)  (3, \frac{1}{8} )

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At a self-service gas station, 40% of customers pump regular gas, 35% pump midgrade, and 25% pump premium gas. Of those who pump
Aleks04 [339]

Answer:

0.150,0.595

Step-by-step explanation:

Given that at a self-service gas station, 40% of customers pump regular gas, 35% pump midgrade, and 25% pump premium gas. Of those who pump regular, 30% pay at least $30. Of those who pump midgrade, 50% pay at least $30. And of those who pump premium, 60% pay at least $30.

               Regular gas          Midgrade         Premium gas      Total

Percent      40                            35                     25                   100

atleast 30   30%                         50%                 60%

a) The   probability that the next customer pumps premium gas and pays at least $30

=0.25*0.60\\=0.150

b)        the probability that the next customer pays at least $30

= P(regular and pays atleast 30%)+P(premium and pays atleast 30%)+P(midgrade and       pays atleast 30%)

=0.40*0.30+0.35*0.50+0.25*0.60\\=0.12+0.175+0.30\\=0.595                  

6 0
3 years ago
If x= 27 and y= 54 then what does w equal
beks73 [17]
The answer is 81 because 27 x 3
4 0
3 years ago
Read 2 more answers
Turn 2 1/2 into a percentage
saw5 [17]

Answer:

250%

Step-by-step explanation:

(2 1/2) × 100%

= 250%

= 2.5

5 0
3 years ago
Read 2 more answers
Tiffany put a $550 item on layaway by making a 15% down payment and agreeing to pay $20 a month. How many months sooner would sh
Harrizon [31]
18 months or 4 times faster 

5 0
4 years ago
Read 2 more answers
A shop has determined that the number of bottles of water they sell on a summer day is a function of the day’s high temperature,
Alik [6]

Answer:

  •          T=t+94

                 Where T is the hight temperature and t is the day

Explanation:

The table shows that every day the<em> High temperature, T (degrees F) </em>increases 1 unit.

Then, this is a linear function with slope = 1ºF / day.

You can use the point-slope equation to determine the <em>function of the high temperature:</em>

  • Point-slope equation:

       y-y_1=m(x-x_1)

  • Choose any point from the table and m = 1. I will use the first point (1,95)

  • m = 1
  • x₁ = 1
  • y₁ = 95

Substitute:

        y-95=1(x-1)\\\\y=x-1+95\\\\y=x+94

Make the variables  y = T, and x = t:

     T=t+94

4 0
4 years ago
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