3 years ago

If f(x)=x+3 and g(x)= x-1 , what is (f g)(26)

Mathematics

1 answer:

lesantik [10]3 years ago

8 0

Answer:

Step-by-step explanation:

fog(x) =f{x-1}

=x-1+3

X+2

fog(x)=x+2

fog(26)=26+2

=28

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Help ME! solve for ∠K.

Ainat [17]

Answer:

Step-by-step explanation:

Every Triangle has 180 degrees.

x + 8x + 3x = 180

12x = 180

x = 180/12

x = 15

Angle K = 3x

K = 3 * 15

K = 45

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2 years ago

Arjun can type 40 words per minute.Dalia can type 55 words per minute.If Arjun and Dalia each type for 30 minutes,about how many

Citrus2011 [14]

♥ Solve:
(Arjun) 40*30=1200
(Dalia) 55*30=1650
Now subtract
1650-1200=450.
That means that Dalia will type 450 minutes more.
Final answer: 450

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3 years ago

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Alex rolls a six-sided number cube 570 times. Approximately how many times can he expect to roll a 5?

madreJ [45]

Answer:

95 times

Step-by-step explanation:

Probability of rolling a 5 =1/6

So no. of times 5 is expected when the number cube is rolled out 570 times = 570*1/6 = 95 times

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2 years ago

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The following stock prices reflect the closing price for the past five days. Find the 3 day SMA

Masteriza [31]

Answer:

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Step-by-step explanation: total=209.75

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1 year ago

Find two values for k such that the trinomial x2 – 7x + k can be factored over the integers. Explain your reasoning.

vova2212 [387]

Answer:

1) For $a = 1$ : $b = 6$ and $k = 6$ , 2) For $a = 3$ : $b = 4$ and $k = 12$

Step-by-step explanation:

The polynomial $y = x^{2} - 7\cdot x + k$ is a second-order polynomial of the form $(x-a)\cdot (x-b) = x^{2}-(a+b)\cdot x + a\cdot b$ . By direct comparison, we construct the following system of equations:

$a + b = 7$ (1)

$a\cdot b = k$ (2)

By (1) we know that there are a family of pairs such that the system of equations is satisfied. Let suppose that both $a$ and $b$ are integers. We assume two arbitrary integers for $a$ :

1) $a = 1$

$b = 7 - a$

$b = 6$

$a\cdot b = k$

$k = (6)\cdot (1)$

$k = 6$

2) $a = 3$

$b = 7 - a$

$b = 4$

$a\cdot b = k$

$k = (3)\cdot (4)$

$k = 12$

6 0

2 years ago