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1 year ago

PLEASE ANSWER BRAINLIEST

Mathematics

1 answer:

PIT_PIT [208]1 year ago

5 0

$24) \: m = \frac{ - 2- ( - 6)}{3 - 9} = \frac{ - 2}{3}$

$34) \: y = \frac{ - 3}{2} x + \frac{23}{2}$

Ok done. Thank to me :>

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olga nikolaevna [1]

Answer:

Fraction of the original board left = $\frac{2}{15}$

Step-by-step explanation:

Let the length of the board is = l feet

Marty saws off $\frac{1}{5}$ of a wooden board.

Length of the board left = l - $(\frac{1}{5})l$

= $(\frac{4}{5})l$ feet

He saws off $\frac{3}{4}th$ of the remaining board,

Board left = $(\frac{4}{5})l-[(\frac{4}{5})l\times (\frac{3}{4})]$

= $\frac{4}{5}l-\frac{3}{5}l$

= $\frac{1}{5}l$ feet

He finally saws off $\frac{1}{3}$ rd of the remaining board.

Board left = $\frac{1}{5}l-[\frac{1}{5}\times \frac{1}{3}]l$

= $(\frac{1}{5}-\frac{1}{15})l$

= $\frac{2}{15}l$ feet

Fraction of the original board left = $\frac{\frac{2}{15}l}{l}$

= $\frac{2}{15}$

6 0

2 years ago

Finding the slope from points

nekit [7.7K]

Answer:

m = -3

Step-by-step explanation:

The formula to find the slope of the line is :

slope = m = $\frac{y_1 - y_2}{x_1-x_2}$

Given that the two coordinates of the line are :

( -1 , - 7 ) ⇒ ( x₁ , y₁ )

( 1 , -13 ) ⇒ ( x₂ , y₂ )

<u>Let us solve now.</u>

m = ( y₁ - y₂ ) ÷ ( x₁ - x₂ )

m = ( -7 - ( -13)) ÷ ( -1 - 1 )

m = ( -7 + 13 ) ÷ ( -2 )

m = 6 ÷ -2

5 0

1 year ago

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[4-2]-10=1 solve the equation

a_sh-v [17]

I think the answer is -20

3 0

2 years ago

What are the solutions of the equation (2x + 3)2 + 3(2x + 3) + 11 = 02 Use u substitution and the quadratic formula to solve.

Stella [2.4K]

Answer:

x=-2.4 or x= - 12/5

Step-by-step explanation:

hope that helps.

8 0

2 years ago

HELP PLS ILL MARK BRAINLIEST PLEASEEEEEEEEE

Rama09 [41]

Answer:

I think its C

Step-by-step explanation:

I guessed

5 0

2 years ago

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