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Sunny_sXe [5.5K]
3 years ago
6

Please help me figure this out

Mathematics
2 answers:
givi [52]3 years ago
7 0

Answer:

B. The rate of change of the cost of parking is $8.00 per hour.

Step-by-step explanation:

The cost for parking at the airport is modeled by the function;

c(x)=8x+10.00

This means that, there is a fixed cost of $10.00 and additional cost of

$8.00 every hour.

The slope refers to the unit rate which is $8.00

The correct answer is B.

grin007 [14]3 years ago
6 0
I believe the answer is B
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6. An urn contains 15 red balls and 8 blue balls. In each draw, one ball is extracted at random. It is then returned to the urn,
Leviafan [203]

Answer:

P(C4) = 0.0711

Step-by-step explanation:

consider the first draw = 15/23  since it cannot be a blue ball

The second draw = 21/29 since 6 more red balls will be added after the draw since a blue ball cannot be drawn

the third draw = 27/35 since 6 more red balls will be added after each draw since a blue ball cannot be drawn

therefore the total number of red balls will be = 15 + 6 + 6 + 6 = 33 red balls after the 4th draw. the total ball now in the urn= 33 red + 4 blue = 41

Hence the probability of drawing a blue ball at the fourth draw after drawing red balls at the previous attempts = 8/41

P(C4) = P ( fourth ball is blue ) * P( first ball red)*P(second ball red) *P(third ball red )

= (8/41) * (15/23) * (21/29)* (27/35) = 0.0711

8 0
3 years ago
What is 5✓28 +✓63 In simplest radical form<br>I need it asap.
Ksenya-84 [330]

Answer:

13✓7

Step-by-step explanation:

5✓28 + ✓63

Break the radical into perfect squares.


5 times ✓4 times ✓7  +  ✓9 times ✓7

5 times 2 times ✓7  +  3 ✓7


10✓7 + 3✓7


13✓7

5 0
3 years ago
If you were given the data set $s $10, $10, $12, $13, $15, which measure of central
Katarina [22]

Answer:  Mode

<u>Step-by-step explanation:</u>

The given data set is:    10, 10, 12, 13, 15

Mean is the average - find the sum of the data set and divide by the number of terms in the set: \dfrac{10+10+12+13+15}{5} =\dfrac{60}{5}=12

Mean = 12

Median is the middle term (when the data set is ordered from least to greatest).

Median = 12

Mode is the term that appears the most.

Mode = 10

Since you want to show that the prices are low, you would choose the lowest value.  10 is lower than 12, so the Mode is lower than either the Mean or the Median.

7 0
3 years ago
Find the distance between the points (-7,-6) and (5,-6) .
PilotLPTM [1.2K]

<u>Answer:</u>

12 units

<u>Step-by-step explanation:</u>

We are given these two points, (-7,-6) and (5,-6), and we are to find the distance between them.

We know the formula for finding the distance between two points:

<em>Distance = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}</em>

So putting in the values of the given coordinates in the above formula to get:

Distance = \sqrt{(5-(-7))^2+(-6-(-6))^2} = \sqrt{144 + 0}  =12

Therefore, the distance between the two given points is 12 units.


5 0
3 years ago
The diagram shows WXY. which term describes point Z
larisa86 [58]
The answer is d because the centroid stems from medians in a triangle
7 0
3 years ago
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