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kenny6666 [7]
3 years ago
11

="absmiddle" class="latex-formula">
Mathematics
1 answer:
vodka [1.7K]3 years ago
7 0
Isolate the radical, then raise each side of the equation to the power of its index.
Exact Form:
x
=
3
+
√
5
2
,
3
−
√
5
2
x
=
3
+
5
2
,
3
-
5
2

Decimal Form:
x
=
2.61803398
…
,
0.38196601
…
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NO LINKS OR ELSE YOU'LL BE REPORTED!Only answer if you're very good at Math.
andreev551 [17]

Answer:

D.\ y = 3\sin(2(x + \frac{\pi}{4}))

Step-by-step explanation:

Given

A = 3 --- Amplitude

C = \frac{\pi}{4} --- Right phase shift

Required

Identify the function

A sinusoidal function is defined as:

y = A\sin(B(x + C)) + D

Substitute values for A and C

y = 3\sin(B(x + \frac{\pi}{4})) + D

By comparison, only option (D) has the above format where

y = 3\sin(2(x + \frac{\pi}{4}))

Hence (D) is correct

4 0
3 years ago
PLEASE ANSWER I REALLY NEED HELP ON THIS TEST
marshall27 [118]

Answer:

A

Step-by-step explanation:

beacause if you try to multiple 4x7.5 divided by 2 try it

6 0
3 years ago
What is the missing step in this proof?
Arada [10]
1. AD/DB=CE/EB

given


2. AD/DB+1=CE/EB+1

Addition Property of Equality


3. AD+DB/DB=CE+EB/EB

using common denominators


4. AB = AD + DB

   CB = CE + EB

segment addition


5. AB/DB=CB/EB

Substitution Property of Equality


6.ABC DBE

Reflexive Property of Congruence


7.  ABC ~  DBE

SAS similarity criterion


<span>8. </span>

Corresponding angles of similar triangles are congruent.


9. DE|| AC

<span>If the corresponding angles formed by </span>
3 0
3 years ago
Read 2 more answers
I need help finding y
kolezko [41]

to solve for y, we must multiply by t on both side to get ride of the t in the denominator. By doing this, we will get:

{t}^{3}

on the right side.

Subtracting 3, and we have successfully isolated y.

It would be impossible to get a quantitative value for y if we don't know the value of t.

4 0
3 years ago
Read 2 more answers
I am in need of some serious help here, I skipped this last time so I got a bad grade
lesantik [10]
1. ab= 6 x 3 = 18             1) = 18

2. c + 4 = 2 + 4 = 6           2) = 6

3. a/b = 6/3 = 2                 3) = 2

4. a - b - 6 - 3 = 3             4) = 3

5. 2c = 2(2) = 4                5) = 4

6. b/3 = 3/3 = 1                6) = 1

7. a - 1 = 6 - 1 = 5           7) = 5

8. 6 + c= 6 + 2 = 8          8) = 8
8 0
3 years ago
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