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Over [174]
2 years ago
8

Find f(1/3) if f(n)=3n

Mathematics
1 answer:
tia_tia [17]2 years ago
8 0
F(n)=3n
f(1/3)=3(1/3)
f(1/3)=1

Hope I didn't mess up for your sake
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5. If the perimeter of the rectangle is 110cm, what is the length?
Elza [17]
Algebraic eq:
2(13) + 2(x+1) = 110

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3 years ago
(show ur work) Each bag of gourment popcorn for a school fundraiser costs $6.75. The total amount received from the popcorn sale
Alinara [238K]

Answer:

725 Boxes of Popcorn

Step-by-step explanation:

You can do it simply by just typing in the calculator 4893.75÷6.75.

But I can show my work. Picture below

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2 years ago
625 revolutions in 223 seconds<br><br> Find the unit rate.
krok68 [10]

Answer:

2.802691 revolutions per second

Step-by-step explanation:

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7 0
3 years ago
Identify any missing information that is needed to answer each question. Then choose a reasonable quantity and write an expressi
arlik [135]
A: you need to know how many cars you wash an hour. A reasonable amount would be five cars an hour making the equation 24•5=120$

B: you need to know how much the baking molds cost, a reasonable amount would be 7.50, the equation would be 7.50•5=37.5

Hope this helps
Please mark Brainliest
4 0
2 years ago
Read 2 more answers
Trigonometry
Natasha_Volkova [10]

Answer:

Step-by-step explanation:

For a triangle the area is

A=\frac{1}{2}bh

If our triangle is isosceles and the 2 congruent sides each measure 4 and they include an angle of 40 degrees, let's say that the vertex angle is 40 and the sides that are not the base each measure 4.  If we drop an altitude from the vertex to the base, we cut the triangle into 2 right triangles, with the vertex angle being 20 degrees and the hypotenuse being 4.  To find the base, then, which is opposite the angle, we use the sin ratio:

sin(20)=\frac{b}{4} and

4sin(20) = b so

b = 1.368

But we need the whole base, and that is only half of it.  So

2b = 2.736

To find the height, which is adjacent to the angle, we use the cos ratio:

cos(20)=\frac{h}{4} and

4cos(20) = h so

h = 3.759

Now we have enough info to find the area of the triangle using the triangle area formula from above:

A=\frac{1}{2}(2.736)(3.759) and

A = 5 meters squared.

7 0
2 years ago
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