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3 years ago

If f(x) = 4x - 6, what is f(6)? A. 32 B. 3 o C. 4 O D. 18

Mathematics

1 answer:

lesantik [10]3 years ago

6 0

Answer:

18 is the correct answer

Step-by-step explanation:

to find f(6) you only need to put value 6 in place x and then simple addotion subtraction

f(6)=4(6)-6

f(6)=24-6

f(6)=18

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Renata and her family go through an average of more than 15 cans of sparkling water each day. They buy cases of 24 cans at $3.50

kaheart [24]

Answer: The inequality required to express the above condition is x ≥ 18.75

Step-by-step explanation:Renata and her family go through an average of more than 15 cans of sparkling water each day.

The number of cases of 24 cans of sparkling water.

We can take the number of cases to be x.

Each case is said to cost $3.50.

An inequality for the number of cases that Renata's family go through in 24 days can be written as

x ≥ ⇒ x ≥ ⇒ x ≥ 18.75

Therefore the inequality required to express the above condition is

x ≥ 18.75

8 0

3 years ago

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MatroZZZ [7]

Answer:

I think its a) I only

Step-by-step explanation:

b gives a random value that isn't relevant to the question. C is backwards because F would increase more than C.

6 0

3 years ago

3. Two cars are parked, 150m apart, and on opposite sides of a building. A camera on the top of the building rotates and can vie

allsm [11]

Answer:

<em>The building is 61.5 m tall</em>

Step-by-step explanation:

The image below is a diagram where all the given distances and angles are shown. We have additionally added some variables:

h = height of the building

a, b = internal angles of each triangle

x = base of each triangle

The angles a and b can be easily found by subtracting the given angles from 90° since they are complementary angles, thus:

a = 90° - 37° = 53°

b = 90° - 42° = 48°

Now we apply the tangent ratio on both triangles separately:

$\displaystyle \tan a=\frac{\text{opposite leg}}{\text{adjacent leg}}$

$\displaystyle \tan 53^\circ=\frac{150-x}{h}$

$\displaystyle \tan 48^\circ=\frac{x}{h}$

From the last equation:

$x=h.\tan 48^\circ$

Substituting into the first equation:

$\displaystyle \tan 53^\circ=\frac{150-h.\tan 48^\circ}{h}$

Operating on the right side:

$\displaystyle \tan 53^\circ=\frac{150}{h}-\tan 48^\circ$

Rearranging:

$\displaystyle \tan 53^\circ+\tan 48^\circ=\frac{150}{h}$

Solving for h:

$\displaystyle h=\frac{150}{\tan 53^\circ+\tan 48^\circ}$

Calculating:

h = 61.5 m

The building is 61.5 m tall

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3 years ago

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kozerog [31]

28.9 is the sale price

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3 years ago

Read 2 more answers

Lucy had half as much money as Mel, but since grandma gave them each $20 she now has three-fifths as much. How much money does L

Elan Coil [88]

Answer:

Lucy has $60

Step-by-step explanation:

Mel had 80

Lucy had 40

Now Mel has 100

and Lucy has 60

60/100 = 3/5

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4 years ago