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klio [65]
3 years ago
11

Find f(-2) for the following function. f(x)=3.6x-2​

Mathematics
1 answer:
butalik [34]3 years ago
4 0

Answer:

f(- 2) = - 9.2

Step-by-step explanation:

To evaluate f(- 2) substitute x = - 2 into f(x) , that is

f(- 2) = 3.6(- 2) - 2 = - 7.2 - 2 = - 9.2

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Find the surface area of the prism.<br> 2 in.<br> 2 in.<br> 6 in.
Kay [80]

Answer:

56 m^2

Explanation: L=2, H=2, W=2, d = 6.63324958 m, TSA = 56 m^2, LSA = 48 m^2, TSA = 4 m^2, BSA = 4 m^2, V = 24 m^3

8 0
3 years ago
There are four blue marbles, an unknown number of red (r) marbles, and six yellow marbles in a bag. Which expression represents
MAXImum [283]

Answer:

There are a total of 4 + r + 6 marbles in the bag

The probability of a blue is  \frac{4}{10+r}  

The probability of a red is  \frac{r}{10+r}  

The probability of choosing a blue, replacing it and then a red is

\frac{4}{10+r} × \frac{r}{10+r}  =  [tex]\frac{4r}{100+20r+ r^{2} /[tex]

Step-by-step explanation:

6 0
3 years ago
Chad will need at least 24 minutes to complete the 5K race. However, he wants to finish in under 30 minutes.
dedylja [7]

Answer:

The required inequality is: 24 \leq x

The graph is shown in figure.

Step-by-step explanation:

Consider the provided information.

Chad will need at least 24 minutes to complete the 5K race. However, he wants to finish in under 30 minutes.

Let the time taken to finish the race is represented by x.

Chad need at least 24 minutes and he wants to finish in under 30 minutes.

Thus, the required inequality is:

24 \leq x

Now draw the graph of the inequality.

Use a dot or close circle to represents ≤ and use an open circle to represent <.

The value of x is greater than or equal to 24 but less than 30, Thus the required graph is shown in figure.

5 0
3 years ago
Shayla’s restaurant bill comes to $27. She is planning to tip the waiter 15% of the bill. How much money should Shayla leave for
SashulF [63]

Answer:

she should leave 4.05

Step-by-step explanation:

becuase 15% of 27 is 4.05

4 0
3 years ago
Julio bought 3 bags of cat food and 4 bags of dog food for $43.00 Sandy bought 3 bags of cat foot and 6 bags of dog food for $54
aleksklad [387]

Answer:

$12.50

Step-by-step explanation:

c is cat food d is dog food

3c + 4d = 43

3c + 6d = 54

subtract those to get

2d = 11

d = 5.50

3c + 2d = 3c + 22 = 43

3c = 21

c = 7

c+d = 7 + 5.50 = 12.50

7 0
3 years ago
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