MATHEMATICS HIGH SCHOOL

This is my question

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Answer 1

Answer:

Answer:

Step-by-step explanation:

Answer 2

Answer:

Answer:

Technically it is supposed to be 37.7 but in this case, the answer is C: 37.68 cm

Step-by-step explanation:

I am smart...Calibri is the superior font and green is the superior highlight color.

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Wedgewood is looking to buy new computers from one of two companies. ComputersRus will charge $650 per computer. SchoolzToolz will charge the school $200 per computer as long as the school gives them a $75,000 contract. Which expression represents SchoolzTools? a) $650x + $0 b) $650 + $0x c) $200x + $75,000 d) $200 + $75,000x
The cost of a taxi ride is 5 dollars plus 50 cents per mile. write an algebraic expression that models the cost of a taxi ride of m miles. A. m(5+0.5) B.5+ 0.5/m C.5+0.5m D.5m+0.5

B2+10b+25/b29-9 . B+3/B+5

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b4 + b3 - 45b2 - 27b + 25—————————————————————————b2

the answer is (b+5)(b+5)/b(29-5)

I need help ASAP pic below

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Answer:

Step-by-step explanation:

2) ∠A + ∠B = 146 {Exterior angle theorem}

5y + 3 + 4y + 8 = 146

5y + 4y + 3 + 8 = 146 {combine like terms}

9y + 11 = 146

9y = 146 -11

9y = 135

y = 135/9

y = 15

3) m∠A = 5y + 3

= 5*15 + 3

= 75 + 3

∠A = 78

4) m∠B = 4y + 8

= 4*15 + 8

= 60 + 8

m∠B = 68

5) m∠ACB + m∠A + m∠B = 180 {Angle sum property of triangle}

m∠ACB + 78 + 68 = 180

m∠ACB + 146 = 180

m∠ACB = 180 - 146

m∠ACB = 34

6. How can you use the value of x to show that KL = 15?

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Answer:

wherever the variable (x) is, replace the variable with whatever value it has and solve the equation.

Step-by-step explanation:

If amanda hikes at an average speed of 2.72 miles per hour, how long will it take her to hike 6.8 miles

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i hope this helps you

What axis is the axis of symmetry on?

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The axis of symmetry of a parabola is a vertical line that divides the parabola into two congruent halves. The axis of symmetry always passes through the vertex of the parabola. The x -coordinate of the vertex is the equation of the axis of symmetry of the parabola.

If cos Θ = negative two over five and tan Θ > 0, what is the value of sin Θ? negative square root / 21 negative square root / 21 over 5 square root / 21 over 5 square root of 21 over 2

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Answer: The correct option is (B) negative square root 21 over 5.

Step-by-step explanation: Given that for an angle $\theta$ ,

$\cos \theta=-(2)/(5),~~~\tan \theta>0.$

We are to find the value of $\sin \theta.$

We know that

Cosine is negative in Quadrant II and Quadrant III.

Tangent is positive in Quadrant 1 and Quadrant III.

So, the given angle $\theta$ lies in the Quadrant III.

We will be using the following trigonometric identity:

$\cos^2\theta+\sin^2\theta=1.$

We have

$\cos \theta=-(2)/(5)\n\n\n\Rightarrow √(1-\sin^2\theta)=-(2)/(5)\n\n\n\Rightarrow 1-\sin^2\theta=(4)/(25)\n\n\n\Rightarrow \sin^2\theta=1-(4)/(25)\n\n\n\Rightarrow \sin^2\theta=(21)/(25)\n\n\n\Rightarrow \sin \theta=\pm(√(21))/(5).$