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2 years ago

Solve for x or find x

Mathematics

2 answers:

pickupchik [31]2 years ago

4 0

Answer:

1.16 is the answer

Step-by-step explanation:

Ghella [55]2 years ago

4 0

Answer:

x = 12

Step-by-step explanation:

The angle has to equal 90 degrees, so write the equation: (7x + 6) = 90. Subtract 6 from both sides to get: 7x = 84. Simplify by dividing 7 from both sides to get x = 12.

Hope it helps!

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1) State the amplitude, period, phase shift, vertical shift and graph

bogdanovich [222]

Answer:

See answers and explanations below (along with a visual graph)

Step-by-step explanation:

For the function $y=acos(b(x+c))+d$ :

Amplitude: $|a|$

Period: $\frac{2\pi}{|b|}$

Phase shift: $\frac{-c}{b}$

Vertical shift: $d$

Therefore, for $y=2cos(\frac{2}{3}(\theta+\pi))-1$ :

Amplitude: $|a|=|2|=2$ , which is 2 units above and below the midline (see d)

Period: $\frac{2\pi}{|b|}=\frac{2\pi}{|\frac{2}{3}|}=\frac{2\pi}{\frac{2}{3}}=3\pi$ , so the cycle will repeat every 3π units

Phase shift: $\frac{-c}{b}=\frac{-\frac{2\pi}{3} }{\frac{2}{3} }=-\pi$ , or π units to the left

Vertical shift: $d=-1$ , or 1 unit down

3 0

2 years ago

State a true conclusion.

FromTheMoon [43]

Answer:

RQ + QS = RS

Hope this helps!

3 0

2 years ago

An you help me now with these |x + 2| + 16 = 1 i need help :( |2x + 6| − 4 = 20 nd help solving

krok68 [10]

|x + 2| + 16 = 1
 - 16 - 16
 |x + 2| = -15
 x + 2 = -15 U x + 2 = 15
 - 2 - 2 - 2 - 2
 x = -17 x = 13

|2x + 6| - 4 = 20
 + 4 + 4
 |2x + 6| = 24
 2x + 6 = 24 U 2x + 6 = -24
 - 6 - 6 - 6 - 6
 2x = 18 2x = -30
 2 2 2 2
 x = 9 x = -15

3 0

3 years ago

Somebody please help

goldfiish [28.3K]

Answer:

1yd

6ft

108in

15yd

7 0

3 years ago

Read 2 more answers

Would you rather (A) Run for 12 minutes at least 10 miles and hour; ... OR ... (B) 20 minutes at 6 miles per hour?

vlabodo [156]

Its actually the same length. I will choose B so that i can run slower

5 0

2 years ago

Solve for x or find x ​

Solve for x or find x