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2 years ago

Please i need help with this 3 questions (#5,6,7) Thank you

Mathematics

1 answer:

OverLord2011 [107]2 years ago

6 0

5. 15' x 15' x 9' = 2025 Cubic Feet. so its 15

6. 1.5 * 2.5 = 3.75; 3.75 * 3 = 11.25 so it 3.75*3

7.Really the only thing that can help you is plunging in the formula

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What is the value of x and what is angle b?

SashulF [63]

Answer:

x=6

B = 20

Step-by-step explanation:

The exterior angle is equal to the sum of the opposite interior angles

55+ 3x+2 = 13x-3

Combine like terms

57+3x = 13x -3

Subtract 3x from each side

57+3x-3x = 13x-3x-3

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3 years ago

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gulaghasi [49]

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3 years ago

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3 years ago

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Find the square root of the fraction 64 OVER 100

tensa zangetsu [6.8K]

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answer
4/5

5 0

3 years ago

In triangle RST the vertices have coordinates of R(-1,10),S(5,4)and T (-4,-2). If the midpoints of side RS and RT were connected

Effectus [21]

Answer:

$\frac{2}{3}$

Step-by-step explanation:

Midpoint of a line segment joining points $(x,y)$ and $(u,v)$ is given by $(\frac{x+u}{2},\frac{y+v}{2} )$

Points are R(-1,10),S(5,4)and T (-4,-2).

Midpoint of RS = $(\frac{-1+5}{2},\frac{10+4}{2} )=(\frac{4}{2},\frac{14}{2} )=(2,7 )$

Midpoint of RT = $(\frac{-1-4}{2},\frac{10-2}{2} )=(\frac{-5}{2},\frac{8}{2} )=(\frac{-5}{2},4)$

Slope of a line joining points $(a,b)$ and $(c,d)$ is given by $\frac{d-b}{c-a}$

Slope of line joining midpoints of side RS and RT = $(\frac{4-7}{\frac{-5}{2}-2 })=(\frac{-3}{\frac{-9}{2} })=\frac{2}{3}$

8 0

2 years ago