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daser333 [38]
3 years ago
11

Solve each. Show all necessary work.

Mathematics
1 answer:
LenaWriter [7]3 years ago
8 0

Answer:

y = 3x - 9

Step-by-step explanation:

First, find the slope using y2 - y1 / x2 - x1

36 - 21 = 15

15 - 10 = 5

15/5 = 3, so the slope (m) is 3.

Now, plug into point-slope form: y - y1 = m (x - x1)

y - 21 = 3 (x - 10)

Simplify

y - 21 = 3x - 30

y = 3x - 9

I hope this helps!!

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Find the circumference of the circle and round to the nearest tenth
Ede4ka [16]

Step-by-step explanation:

Circumference of Circle =

2\pi \: r

given d = 19.4mi

r = 1/2d

= 1/2 x 19.4

= 9.7mi

Circumference of Circle =

2\pi(9.7) \\  = 19.4\pi \\  = 60.9mi \: (nearest \: tenth)

8 0
3 years ago
Write the equation of the line in fully simplified slope-intercept form.
snow_tiger [21]
The answer is y=-5x+5
5 0
3 years ago
29 points!!!Find the length of ac<br> Ab=36 cm express your answer in pi
FromTheMoon [43]
Mistake on my part ignore this
5 0
4 years ago
Read 2 more answers
Please help it's homework <br><br><br><img src="https://tex.z-dn.net/?f=y%20-%20x%20%3D%203%20%5C%5C%20xy%20%3D%2010" id="TexFor
lora16 [44]

Answer:

x = 2 and y = 5

Step-by-step explanation:

Given equations are :

y-x = 3  ......(1)

xy = 10 or

x = (10/y) ....(2)

Put the value of x in equation (1).

y-\dfrac{10}{y}= 3\\\\y^2-10=3y\\\\y^2-3y-10=0\\\\y=0\ and\ y=5

Put the value of y in equation (2).

x=\dfrac{10}{5}\\\\x=2

So, the value of x is equal to 2 and that of y is equal to 5.

5 0
3 years ago
Please explain asap, will give brainliest!!
Mazyrski [523]
Hello!

You have to first find the median

74, 74, 83, 83, 83, 86, 87, 90, 92, 93, 93, 94

The numbers in the middle are 86 and 87

The average of these numbers are 86.5

The median is 86.5

This is shown in the box plot so the median is right

The lower quartile is the median of the numbers less than 86.5

74, 74, 83, 83, 83, 86

The median of these numbers is 83

The lower quartile is right

The find the upper quartile you find the average of the numbers higher than 86.5

87, 90, 92, 93, 93, 94

The upper quartile is 92.5

Since this is shown differently in the box plot the answer is upper quartile

The answer is C) upper quartile

Hope this helps!
8 0
3 years ago
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