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3 years ago

There are 34 students in J2.

Mathematics

1 answer:

aniked [119]3 years ago

6 0

Number of students voting to Jisoo,

34 × 14 / 17 = 28

No. of students who did not vote = 2

No. of students voting to Rowan = 34 - 28 - 2 = 4 students

4 students choose Rowan as their class monitor.

HOPE THIS WILL HELP YOU

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What is 4x(12x6-4^2)+9

krok68 [10]

Answer:

48x⁷ - 64x + 9

Step-by-step explanation:

Step 1: Write out expression

4x(12x⁶ - 4²) + 9

Step 2: Evaluate exponent

4x(12x⁶ - 16) + 9

Step 3: Distribute

48x⁷ - 64x + 9

8 0

3 years ago

Read 2 more answers

(10.02)

melisa1 [442]

Answer:

$sin O=\dfrac{3\sqrt{13}}{13}\\cos O=\dfrac{2\sqrt{13}}{13}\\tan O=\dfrac{3}{2}$

Step-by-step explanation:

If the point (2,3) is on the terminal side of an angle in standard position.

Adjacent of O, x=2,

Opposite of O, y=3

Next, we determine the hypotenuse, r using Pythagoras Theorem.

$Hypotenuse =\sqrt{Opposite^2+Adjacent^2} \\r=\sqrt{3^2+2^2} \\r=\sqrt{13}$

Therefore:

$sin O=\dfrac{Opposite}{Hypotenuse} \\sin O=\dfrac{3}{\sqrt{13}} \\$Rationalizing\\sin O=\dfrac{3\sqrt{13}}{13}$

$cos O=\dfrac{Adjacent}{Hypotenuse} \\cos O=\dfrac{2}{\sqrt{13}} \\$Rationalizing\\cos O=\dfrac{2\sqrt{13}}{13}$

$Tan O=\dfrac{Opposite}{Adjacent} \\tan O=\dfrac{3}{2}$

4 0

2 years ago

Solve the systems by elimination: 8x-2y= -10 -4x+y= 5

Pachacha [2.7K]

Let's eliminate x. To achieve this, mult. the 2nd equation by 2, obtaining

-8x + 2y = 10. Now add this result to the first equation:

8x-2y= -10

-8x + 2y = 10

---------------------

The two equations actually represent the same line. Without an x- or a y-value, we cannot solve for the value of the other variable. There are infinitely many solutions.

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2 years ago

What is this expression in simplified form? A. 64_12 B. 32V3 C. 1673 D. 768

sukhopar [10]

Answer:

the answer id D if im wrong vote me out

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers

Solve the inequality. -4 (7 + 6x)< -2(x+3) write in inequality integer form

VashaNatasha [74]

Answer:

-1 >x

Step-by-step explanation:

-4(7+6x)<-2(x-6)

-28-24x<2(x-6)

-28-24x<-2x-6

+6. +6

-22-24x<-2x

+24x +24x

-22 < 22x.

-22÷-22=1 that canceled out

+22÷-22= -1

-1>x. because we divided by a negative the inequality switched.

Hope this helped

4 0

2 years ago