3 years ago

Why are angles opposite each other when two lines cross called vertical angles?

1 answer:

3 0

They are called vertical angles because the definition of vertical is: in a direction, or having an alignment, such that the top is directly above the bottom. The "angles opposite each other when two lines cross" match the definition.

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If you throw a 6 with your first throw of a die, is there more or less chance of throwing another 6 on your second throw?

EastWind [94]

The probability will be the same on each roll.
P(6) = 1/6 no matter how many times you roll the die.

7 0

3 years ago

Read 2 more answers

What is the domain and range of the set of order pairs? (7,3),(-2,-2),(4,1),(-9,0),(0,7)

erastovalidia [21]

Answer:

Domain {7,-2,4,-9,0} Range {3,-2,1,0,7}

Step-by-step explanation:

Just remember that domain is the x values and the range is the y values.

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3 years ago

Evaluate and Explain 3t(t+2)-3t^2 for t=19 and Simplifiy -(3a-2b)-3(-a-b)

Yuri [45]

1 ) 3 t ( t + 2 ) - 3 t² =
= 3 t² + 6 t - 3 t² = 6 t = 6 · 19 = 114

2 ) - ( 3 a - 2 b ) - 3 ( - a- b ) =
= - 3 a + 2 b + 3 a + 3 b = 5 b

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2 years ago

Solve algebraically please URGENT y=5x−7 −6x−4y=−24

Kazeer [188]

$\left\{\begin{array}{ccc}y=5x-7\\-6x-4y=-24&\text{divide both sides by (-2)}\end{array}\right\\\left\{\begin{array}{ccc}y=5x-7&(*)\\3x+2y=12&(**)\end{array}\right\\\\\text{substitute }\ (*)\ \text{to}\ (**):\\\\3x+2(5x-7)=12\qquad\text{use distributive property}\\\\3x+(2)(5x)+(2)(-7)=12\\\\3x+10x-14=12\qquad\text{add 14 to both sides}\\\\13x=26\qquad\text{divide oth sides by 13}\\\\\boxed{x=2}\\\\\text{Put the vaalue of x to}\ (*):\\\\y=5(2)-7\\\\y=10-7\\\\\boxed{y=3}\\\\Answer:\ \boxed{x=2\ and\ y=3\to(2,\ 3)}$

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3 years ago

Mrs Harvey is making fresh raspberry punch. Each pitcher needs 1/2 cup of raspberries. If she makes three pitcher how many cups

Nastasia [14]

Answer:

1.5 cups of raspberries

Step-by-step explanation:

1/2×3 equals 1.5

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3 years ago