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Natali [406]
2 years ago
9

Anyone who answers gets 20 points.

Mathematics
1 answer:
goldenfox [79]2 years ago
5 0

Answer:answers what

Step-by-step explanation:

²³√∛×÷≈≠≤≥≡≅⇒,⇔∈∧∧∈∉∨∞αβ⇅ΔπФω↑↓∵∴↔→←⇵Δ⇅⇄⇆∫∑⊂⊃⊆⊇⊄⊅∀°∠∡⊥∪∩∅¬║⊕⊕⊕⊕∦∝∞∞∞㏒㏑

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I need help with this practice problem solving This is trigonometry from my ACT prep guide
Novay_Z [31]

Take into account, that in general, a cosine function of amplitude A, period T and vertical translation b, can be written as follow:

f(x)=A\cos (\frac{2\pi}{T}x)+b

In the given case, you have:

A = 4

T = 3π/4

b = -3

By replacing you obtain:

\begin{gathered} f(x)=4\cos (\frac{2\pi}{\frac{3\pi}{4}}x)-3 \\ f(x)=4\cos (\frac{8}{3}x)-3 \end{gathered}

Hence, the answer is:

f(x) = 4cos(8/3 x) - 3

6 0
9 months ago
1. Write a survey question for which you would expect to collect numerical
Yakvenalex [24]

Answer:

How many siblings do you have?

I hope this helps you out :)

5 0
3 years ago
Given the function f(x)=x^2+2x+1, find each value of the function
Paha777 [63]

Answer:

1 9/16

Step-by-step explanation:

F(1/4) means u plug in 1/4 for x

so the equation would be

f(1/4)=1/4^2+2 1/4 + 1

f(1/4)=1/16+1/2+1

f(1/4)= 9/16 +1

f(1/4)= 1 9/16

its not nine teen its one and 9 over 16 just clarification

5 0
2 years ago
there are 30 flowers in a vase 2.5 of flowers are roses. 1/6 of the flowers are daisies. the rest of the flowers are carnations.
tekilochka [14]

Answer:

13 carnations

Step-by-step explanation:

Assuming you meant 2/5 because 2.5 would mean there are more roses in the vase than there are flowers in the vase, heres how to solve this.

Understanding

Each fraction is referring to "flowers" not "remaining flowers" and as such each time we will be comparing to the total.

2/5 of the total flowers are roses. This is written in words as for every 5 flowers two are roses, which means we will multiply 2 by how many sets of five we have in 30 flowers.

(30/5) x 2 =

(6) x 2 = 12 roses

Though with fractions its written as 30/1*2/5 which is the same as (30 x 2)/5

60/5 = 12 roses

Following this logic for every 6 flowers one is a daisy.

30/1 * 1/6 = (30 x 1)/6 = 30/6 = 5 daisies

Because the rest are carnations we want to subtract the amount of daisies and roses from the total amount of flowers to find the remaining flowers.

30 - 5 - 12 = 13 carnations

Hope this helps,

8 0
3 years ago
A solid has 12 faces and 18 edges how many vertices does it have
frutty [35]

Answer:

8 vertices

Step-by-step explanation:

Use Euler's Theorem: V-E+F=2

F=12

E=18

Thus, we have:

V-18+12=2

V-18=-10

V=8

So there are 8 vertices

6 0
3 years ago
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