3 years ago

Brynn played for 3 2/3 hours on Saturday and 4 ¼ hours on Sunday. How many hours did she play?

Mathematics

1 answer:

Zielflug [23.3K]3 years ago

6 0

Answer:

false

Step-by-step explanation:

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Which of the following equations is in equation formed when completing the square on y^2 - 12 y= -27

bogdanovich [222]

Answer:

$(y-6)^2=9$

Step-by-step explanation:

Given

$y^2 - 12y = -27$

Required

Get equivalent expression using completing the square

Follow these steps:

Take the coefficient of y; That is -12

Divide it by 2; That is (-12/2)

Square it: (-12/2)^2

Add to both sides of the equation

$y^2 - 12y + (\frac{-12}{2})^2= -27 + (\frac{-12}{2})^2$

$y^2 - 12y + (-6)^2= -27 + (-6)^2$

$y^2 - 12y + 36= -27 + 36$

$y^2 - 12y + 36= 9$

Expand the right-hand side

$y^2 - 6y - 6y + 36= 9$

Factorize:

$y(y-6)-6(y-6) =9$

$(y-6)(y-6)=9$

$(y-6)^2=9$

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3 years ago

Please help, ill give 69 points <33

RUDIKE [14]

Isee s yes why that look

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3 years ago

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Which of the following adaptations will help a plant survive in a desert?

solniwko [45]

Stem That Stores Water.

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4 years ago

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A cruise ship is traveling at 20 miles per hour. Use a direct variation formula to calculate the number of miles traveled in 7 h

34kurt

It would be 20*7 which will give you 140 miles in 7 hours

4 0

3 years ago

46:34

Mashcka [7]

Answer:

The first 2

Step-by-step explanation:

First expression = -4+30-3 =23

Second expression = 8(10+4)= 112.

The others would lead to a negative number.

Remember negative times negative = positive

Negative times negative times negative = negative

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3 years ago