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2 years ago

HELPPPPP !!! Plzzz Unit 10: circles Homework 2: central angles & arc measures

Mathematics

1 answer:

Zanzabum2 years ago

4 0

Answer:

JL= 127 JML= 233

Step-by-step explanation:

a circle = 360 degrees and you can tell that JML is going to be larger than JL

and because of that 127 the arc with it = the same

then you do 360-127 and you get 233 for JML

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3. Sam and Tim each have savings accounts. Every month they each put in some of their

Setler [38]

Answer:

$y = 30x +50$ --- Sam

$y = 20x +80$ --- Tim

Step-by-step explanation:

Given

Sam Tim

х --- f(x) --------------- g(x)

1 --- 80 --------------- 100

2 --- 110 --------------- 120

3 --- 140 --------------- 140

4 --- 170 -------------- 160

Required

Determine the y value

y value implies the equation of the table

Calculating the equation of Sam

First, we need to take any corresponding values of x and y

$(x_1,y_1) = (1,80)$

$(x_2,y_2) = (4,170)$

Next, we calculate the slope (m)

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

$m = \frac{170 - 80}{4 - 1}$

$m = \frac{90}{3}$

$m = 30$

Next, we calculate the line equation using:

$y - y_1=m(x-x_1)$

$y - 80 = 30(x - 1)$

$y - 80 = 30x - 30$

Make y the subject

$y = 30x - 30 + 80$

$y = 30x +50$

Calculating the equation of Tim

First, we need to take any corresponding values of x and y

$(x_1,y_1) = (1,100)$

$(x_2,y_2) = (4,160)$

Next, we calculate the slope (m)

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

$m = \frac{160 - 100}{4 - 1}$

$m = \frac{60}{3}$

$m = 20$

Next, we calculate the line equation using:

$y - y_1=m(x-x_1)$

$y - 100 = 20(x - 1)$

$y - 100 = 20x - 20$

Make y the subject

$y = 20x - 20+100$

$y = 20x +80$

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2 years ago

Splitting the middle term 2x^2-9x+4

DiKsa [7]

(2x-1)(x-4)
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3 years ago

Write the rate as a fraction in simplest form: 492 miles in 8 hours.

Lostsunrise [7]

123 miles 2 hours

Tanks

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3 years ago

The number of cars (c) in a parking lot increases when the parking fee (f) decreases.

Vitek1552 [10]

The answer is c maybe?

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3 years ago

A-3(a-b) I need to do simplification

aev [14]

A-3(a-b)

A-3a+3b

-2a+3b

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2 years ago