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fiasKO [112]
3 years ago
6

If f(x) = 3x + 2, what is f(5)?

Mathematics
2 answers:
AleksandrR [38]3 years ago
6 0

Answer:

The correct answer is B. 17

Step-by-step explanation:

Andrei [34K]3 years ago
5 0

Answer:

f(5) = 17

Step-by-step explanation:

You just plug in 5 for x:

f(5) = 3(5) + 2

f(5) = 15 +2

f(5) = 17

Hope this helps!

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How do you solve this?
k0ka [10]
x^2-3x-4=0\\\\x^2-2x\cdot\frac{3}{2}=4\ \ \ /+(\frac{3}{2})^2\\\\x^2-2x\cdot\frac{3}{2}+(\frac{3}{2})^2=4+(\frac{3}{2})^2\\\\(x-\frac{3}{2})^2=4+\frac{9}{4}\\\\(x-\frac{3}{2})^2=\frac{16}{4}+\frac{9}{4}\\\\(x-\frac{3}{2})^2=\frac{25}{4}\\\\x-\frac{3}{2}=\pm\sqrt\frac{25}{4}

x-\frac{3}{2}=\pm\frac{\sqrt{25}}{\sqrt4}\\\\x-\frac{3}{2}=\pm\frac{5}{2}\\\\x-\frac{3}{2}=-\frac{5}{2}\ or\ x-\frac{3}{2}=\frac{5}{2}\\\\x=-\frac{5}{2}+\frac{3}{2}\ or\ x=\frac{5}{2}+\frac{3}{2}\\\\x=-\frac{2}{2}\ or\ x=\frac{8}{2}\\\\x=-1\ or\ x=4
5 0
3 years ago
Read 2 more answers
A particular computer takes 13 minutes to download a 39 minute TV show. How long will it take the computer to download a 2 hour
ddd [48]

Answer:

40mins

Step-by-step explanation:

Change 2hrs into minutes first=120mins

if 39mins=13mins

120mins=?

Then you cross multiply

\frac{120mins}{39mins}  \times 13mins \\  = 40mins

5 0
3 years ago
25 points to whoever can answer this question !
topjm [15]

When multiplying fractions, multiply straight across:

(-3/7) (6/5) =

(-3 * 6) / (7*5)=

-18/35


The answer is B.

3 0
3 years ago
Read 2 more answers
Temperature transducers of certain type are shipped in batches of 50. A sample of 60 batches was selected, and the number of tra
djverab [1.8K]

Answer:

a.

Number:      0,    1,       2,     3,      4,       5,    6,    7,     8

Frequency:  6,    12,     13,     15,     5,      3,     3,    1,    1

b. The proportion of the batches that have at most is 0.864

Step-by-step explanation:

a. The given data are;

2 1 2 3 1 1 3 2 0 5 3 3 1 3 2 4 7 0 2 3

0 4 2 1 3 1 1 3 4 1 2 3 2 2 8 4 5 1 3 1

5 0 2 3 2 1 0 6 4 2 1 6 0 3 3 3 6 2 3

The frequencies are;

x     fx  

0     6

1      12

2     13

3      15

4      5

5      3

6      3

7       1

8       1

The relative frequency are;

x     Rfx  

0   0.102

1   0.203

2   0.220

3   0.254

4   0.085

5   0.051

6   0.051

7   0.017

8   0.017

b. The proportion of the batches that have at most 4 is given as follows;

The number of the batches that have at most 4 = 6 + 12 + 13 + 15 + 5 = 51

Therefore, the proportion of the batches that have at most 4 = 51 / 59 = 0.864.

3 0
3 years ago
Find the measure angle of b.
nasty-shy [4]

Answer:

A

Step-by-step explanation:

b and 55° form a right angle = 90° , then

b + 55° = 90° ( subtract 55° from both sides )

b = 35°

5 0
2 years ago
Read 2 more answers
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