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stellarik [79]
3 years ago
11

If f(x)=6x-7 and g(x)= -3x-8 what is f(g(6))

Mathematics
1 answer:
DaniilM [7]3 years ago
3 0

Answer:

-151

Step-by-step explanation:

first find the value of g(6)

g(6) = -3 × 6 - 8 ➡-24

then put this value fir f(g(6))

f(-24) = 6 × -24 -7 ➡ -151

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Please help!! In radians, what is the period of the function y = .5cos5x
Levart [38]

Answer:

(2pi)/5

Step-by-step explanation:

The cosine function cos(x) has a period of 2*pi.

If we change the argument of the cosine, the new argument will have a period of 2*pi. If the new argument is 5x, we have that the period will be:

5x = 2*pi

x = 2*pi/5

The period of this function will be (2pi)/5, because for every (2pi)/5 change in the value of x, the function will have the same value. The value of 5 multiplying the cosine does not interfere in the period.

5 0
3 years ago
The equation sinx = (sqrt2)/2 is an identity. True or False?
Aleks [24]
It's only true for specific x values but not all x values. The final answer is FALSE.<span>
</span>
8 0
3 years ago
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X+y=5<br> x×y=6<br> Solve simultaneously with steps
igor_vitrenko [27]

Answer:

(3, 2), (2, 3)

Step-by-step explanation:

x + y = 5

xy = 6

Solve the first equation for x.

x = 5 - y

Substitute 5 - y for x in the second equation.

xy = 6

(5 - y)y = 6

5y - y² = 6

y² - 5y + 6 = 0

Factor.

(y - 2)(y - 3) = 0

y - 2 = 0  or y - 3 = 0

y = 2  or y = 3

Now substitute 2 for y in the first equation and solve for x.

x + y = 5

x + 2 = 5

x = 3

One solution is x = 3; y = 2, or (3, 2).

Now substitute 3 for y in the first equation and solve for x.

x + y = 5

x + 3 = 5

x = 2

Another solution is x = 2; y = 3, or (3, 2).

Answer: (3, 2), (2, 3)

7 0
2 years ago
What is the value of X in the figure
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Answer:

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5 0
2 years ago
3Q + 5 + 2 - 8 - 5 equals 65
Usimov [2.4K]
Answer
 23.70

Proof
3Q+5+2-8-5=65        ~ Simplify
3Q-6=65                      ~Cancel out the six
     +6  +6                      ~Add 6 to both sides since it is a           3Q=71                            negative.
 /3     /3                          ~Cancel out the three.
Answer                         ~Divide both sides by 3
Q=23.66                        
Rounded Up
Q=23.70

4 0
3 years ago
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