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puteri [66]
3 years ago
13

James read 4 pages in a book in 6 minutes how long would it take james to read 6 pages

Mathematics
2 answers:
OlgaM077 [116]3 years ago
6 0
Hi Mack17 the answer is 9 minutes

schepotkina [342]3 years ago
3 0
I think it would take him either 8 or 12 minutes
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Can anyone help me answer this?
saw5 [17]

Answer:  X=12.7

Step-by-step explanation:

Sorry if its wrong I am pretty rusty with these kind of questions

7 0
3 years ago
Given that x = 7.4 m and θ = 31°, work out BC rounded to 3 SF<br>I NEED THIS ANSWER NOW​
Len [333]

Answer:

59.0

Step-by-step explanation:

c=31

b=90

90+31=121

180-121=59

56 rounded to the nearest 3 sf=59.0

please mark as brainliest if correct

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5 0
3 years ago
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100 points!!! Pre calculus. I need helpppppppppp
Fantom [35]

Answer:

We have function,

y = 3 - 6 \sin {}^{} (2x +  \frac{\pi}{2} )

Standard Form of Sinusoid is

y =  - 6 \sin(2x +  \frac{\pi}{2} )  + 3

Which corresponds to

y = a \sin(b(x + c))  + d

where a is the amplitude

2pi/b is the period

c is phase shift

d is vertical shift or midline.

In the equation equation, we must factor out 2 so we get

y =  - 6(2(x +  \frac{\pi}{4} )) + 3

Also remeber a and b is always positive

So now let answer the questions.

a. The period is

\frac{2\pi}{ |b| }

\frac{2\pi}{ |2| }  = \pi

So the period is pi radians.

b. Amplitude is

| - 6|  = 6

Amplitude is 6.

c. Domain of a sinusoid is all reals. Here that stays the same. Range of a sinusoid is [-a+c, a-c]. Put the least number first, and the greatest next.

So using that<em> rule, our range is [6+3, -6+3]= [9,-3] So our range</em> is [-3,9].

D. Plug in 0 for x.

3 - 6 \sin((2(0) +  \frac{\pi}{2} )

3 - 6 \sin( \frac{\pi}{2} )

3 - 6(1)

3 - 6

=  - 3

So the y intercept is (0,-3)

E. To find phase shift, set x-c=0 to solve for phase shift.

x +  \frac{\pi}{4}  = 0

x =  -  \frac{\pi}{4}

Negative means to the left, so the phase shift is pi/4 units to the left.

f. Period is PI, so use interval [0,2pi].

Look at the graph above,

6 0
3 years ago
Which angle is an exterior angle of the triangle?
svetoff [14.1K]

Answer:

Angle 4

Step-by-step explanation:

Exterior is the angle that is on the outside of the triangle.

8 0
3 years ago
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Subtract.<br><br> 3x−5x−4−x2+12x−17x2−16
Lena [83]

Step-by-step explanation:

3x - 5x - 4 - x^2 + 12x - 17x^2 - 16

= -2x - 20 - 18x^2 + 12x

= 10x - 20 - 18x^2

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6 0
2 years ago
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