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4 years ago

I need help with these questions

Mathematics

2 answers:

gtnhenbr [62]4 years ago

8 0

It would be B I believe

nataly862011 [7]4 years ago

3 0

The answer would be B. 4

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Briana walks 3/4 miles in 1/5 hour.How much did she walk in 1 hour?

kykrilka [37]

In one hour she will walk 3 3/4 miles.

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4 years ago

Read 2 more answers

A golf player is trying to make a hole-in-one on the miniature golf green shown.

Flauer [41]

The path of the ball is an illustration of absolute equation.

The equation of the path is: $y =- \frac{12}7|x- 4.8| + 6.4$

The given parameters are:

$(h,k) = (4.8,6.4)$ --- the vertex (i.e. the point where the ball hits the wall)

$(x_1,y_1) = (2,1.6)$

$(x_2,y_2) = (7.6,1.6)$

An absolute function is represented as:

$y = a |x - h| + k$

Substitute $(h,k) = (4.8,6.4)$

$y = a |x - 4.8| + 6.4$

Substitute $(x_1,y_1) = (2,1.6)$ for x and y

$1.6 = a|2 - 4.8| + 6.4$

$1.6 = a|- 2.8| + 6.4$

Remove absolute bracket

$1.6 = 2.8a + 6.4$

Collect like terms

$2.8a = -6.4+1.6$

$2.8a =- 4.8$

Solve for a

$a =-\frac{4.8}{2.8}$

Simplify

$a =-\frac{12}{7}$

Substitute $a =-\frac{12}{7}$ in $y = a |x - 4.8| + 6.4$

$y =- \frac{12}7|x- 4.8| + 6.4$

Hence, the equation of the path is: $y =- \frac{12}7|x- 4.8| + 6.4$

See attachment for graph that models the path

Read more about absolute equations at:

brainly.com/question/2166748

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2 years ago

A polygon is shown what is the measure of U

Elan Coil [88]

Answer:

120

Step-by-step explanation:

That's a guess, but it's the most logical one.

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3 years ago

Find the inverse y=3x+2

Gwar [14]

$y=3x+2\\\\\text{replace x with y and y with x}\\\\3y+2=x\\\\\text{solve for y}\\\\3y+2=x\ \ \ \ \ |-2\\\\3y=x-2\ \ \ \ \ |:3\\\\\boxed{y=\dfrac{x-2}{3}}$

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3 years ago

I need help I don’t understand it

tiny-mole [99]

Shidddd lil buddy, try the 3rd one

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3 years ago